Page 1 Gas supply Sample input Columns Detectors Oven Column switching Function description of electronics Summary of electronics Detector electronics Control electronics Circuit diagrams Application data Dimensional drawings External piping and wiring diagrams Data sheets and certificates Spare parts lists Siemens Aktiengesellschaft...
Page 2 The contents of this Instruction Manual are not part of a previous or existing agreement, commitment or statutory right and do not change these. All commitments on the part of Siemens are contained in the respective sales contract which also contains the complete and solely applicable warranty conditions.
Page 3: Table Of Contents
Contents Page INFORMATION FOR THE USER Conformity certificates ... 3 Safety information ....4 Symbols and abbreviations .
Page 4: Conformity Certificates
This chromatograph has been developed and manufac- tured in line with The master of the EG conformity certificate can be con- sulted at: 89/336/EWG Guideline electromagnetc comaptibility Siemens AG (changed 91/263/EWG, 92/31/EWG AUT 362 93/68/EWG) D-76181 Karlsruhe 73/23/EWG Guideline for voltage limits in use of electrical...
Page 5: Safety Information
Safety information SAFETY INFORMATION The chromatograph complies to the safety regula- tions. Following our handling instructions and WARNING safety informations the chromatograph normally If you open the door or remove the covers won’t cause any substancial damage or any per- certain parts in electrical devices become sonal injury.
Page 6 Safety information WARNING: Dangerous gases! CAUTION: Hot parts! The chromatograph uses various gases, Some parts of the chromatograph need to some of which may be dangerous. be hot while working although they must be accessible, e.g. the oven, the detectors and Before working on the chromatograph, injectors.
Page 7: Symbols And Abbreviations
Symbols and abbreviations Symbols and abbreviations Symbols and abbreviations used in this manual Name Symbol Abbreviation Remarks Pressure regulator Pressure converter Manometer Restrictor with and without class specification Needle valve with Teflon or graphite gasket Capillary Solenoid valve closed when de-energized Solenoid valve open when...
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Page 9: Explosion Protection
Before opening the electronics door in a division 1 area, cording to the Siemens circuit diagrams and it is essential to switch off the power supply and to then piping diagrams. The classified protection for wait for at least 5 minutes.
Page 10: Pressurized Enclosure, Switching On The Chromatograph
The monitoring unit is fitted in the electronics area of the explosion-proof chromatograph. It has been espe- cially adapted for this purpose. All parts are explosion- proof and must be wired according to Siemens circuit diagrams, otherwise the explosion protection is can- celled.
Page 11: Pgc 302
Explosion protection DESIGN OF THE CLASSIFIED PGC 302 There are three different areas in the chromatograph with respect to the explosion protection: Electronics Pressurized area This includes the electronics area, the mounting shaft behind the analyzer section, the connections of the oven heating cartridge and the connection cables of the FID.
Page 12: Maintenance Of Classified Parts
According to regulations, the following operations must The regulations must be observed during only be carried out by: maintenance and repairs! According to the 1 Experienced Siemens maintenance specialists on regulations for maintenance on components the user’s premises relevant to the explosion protection, work is 2 User’s maintenance personnel with assessment by...
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Page 14 Contents THE SOFTWARE Page Page (basic input output system) ... 2 BIOS INSTALLATION OF SOFTWARE Operating system ....2 Generation of backup copies .
Page 15: The Software
The software The software THE SOFTWARE Chromatographs BIOS Modern chromatographs are controlled by micro- Control software processors which require software containing infor- - process - laboratory mation on what they have to do. In most com- Interface drivers puters, the software is divided into several levels: BIOS Operating system Specific software.
Page 16: Software In The Chromatograph
The software SOFTWARE IN THE Control software, interface drivers CHROMATOGRAPH The control software for the chromatograph is stored on the control computer in order to be able to subsequently load it The chromatograph can carry out analyses auto- into the chromatograph. matically without a control unit being connected.
Page 17: Software In The Server
The software SOFTWARE IN THE SERVER Server PCs can be used e.g. to connect several con- trol units to a ChromLAN loop. Servers can also reduce the load on the control computer if many chromatographs are connected. At least one coupling module must be installed to con- vert the PC into a server, and additional software is required.
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Page 19: The Ibm -Compatible Pc
The software The software The software The CONFIG.SYS file -COMPATIBLE PC This file contains information for the operating system. You will probably never change this file. It could be the Fundamentals are handled here which must be ob- case, however, that its information is incomplete or in- served when working with -compatible com- correct.
Page 20: Working With Subdirectories
The software Working with subdirectories Files You must be acquainted with a number of functions so Files are present in all directories and have names such that you can organize your files meaningfully in hierar- as e.g. konfig.exe. The dot may be preceded by up to chical directories: eight letters.
Page 21: The Directories On The Control Unit
The software THE DIRECTORIES KONFIG directory ON THE CONTROL UNIT The directory \konfig contains all files required by the configuration software. The configuration is always ef- The software is always installed on the hard disk c:. A fective on methods present in the directory \meth. directory structure results with the following subdirec- tories: METH directory...
Page 22: Pcpu-2 Directory
The software PCPU-2 directory THE DIRECTORIES ON THE SERVER The directory \pcpu-2 contains all files required to load The software is always installed on the hard disk c:. A the control software and the interface drivers into the directory structure results with the following subdirec- chromatograph.
Page 23: Installation Of Software
Installation of software Installation of software INSTALLATION OF SOFTWARE Latest information on software It is often the case that changes are made to the scope of delivery or to Together with the chromatograph you were pro- individual program functions after vided with four diskettes with 3.5"...
Page 24: Installation Of Operating Software And Configuration
Installation of software INSTALLATION OF OPERATING Transmission rate SOFTWARE AND CONFIGURATION You can set different baud rates for the two serial inter- faces of the control unit. Please note that it is not Insert the diskette BEDI V50_1 into drive a:, and then possible to use every baud rate for every type of inter- type face (see Networking).
Page 25: Checking The Memory Assignments
Installation of software OPTIMIZING THE MAIN MEMORY Example of AUTOEXEC.BAT If your file contains e.g. a line AUTOEXEC.BAT IN THE CONTROL UNIT In certain operating situations, the operating soft- keyb gr,,c:\dos\keyboard.sys ware requires almost the complete conventional change it into memory of 640 kB.
Page 26: The Various Types Of Memory
Installation of software step: The various types of memory Changing BEDI.BAT or SIM.BAT -compatible computers have been subject to many years of development. It is therefore difficult to keep a Supplement your file by the BEDI.BAT SIM.BAT track of everything. The table below is provided to help following first line if it is not already present (the you in this respect.
Page 27: Installation Of Control Software
Installation of software INSTALLATION OF Important advice CONTROL SOFTWARE on programming of PCPU-2 The control software of the chromatograph must first be It is possible to program locally or via a ChromLAN copied onto the control computer. It can then be loaded network.
Page 28: Installation Of Server Software
Installation of software INSTALLATION OF SERVER SOFTWARE Please also refer to the instructions in the separate server manual! First install the operating software on the server as de- scribed under Installation of operating software. The server uses the directory structures of the operating software and the functions: CHROMLAN.EXE Communication...
Page 29: Starting The Software
Installation of software STARTING THE SOFTWARE A useful batch file Programs can be started by selecting the corre- The batch file do.bat shown below outputs a comment sponding directory and then entering the name of menu on the screen and calls an operation or configura- the program.
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Page 31: Problems And Errors
Problems and errors Problems and errors PROBLEMS AND ERRORS Faulty communication with the chromatograph RESET When an operation is started, a check is carried out to PROG. establish which chromatographs are connected and switched on. If no chromatographs reply, the message No analyzer responding appears and the MS-DOS prompt.
Page 32: Testing The Pcpu-2
Problems and errors Testing the PCPU-2 * Switch on the chromatograph * Remove PCPU-2 switch Station x1 Station x16 * DIP-Switch SW 1 ... 7 OFF SW 8 * Set Station x 16 SER. 1 switch to 0 * Set Station x 1 switch to 1 SER.
Page 33: Networking
Networking Networking NETWORKING The chromatograph can analyze automatically without a control unit being connected. It must first be parameterized, however. Results and status in- formation are expected during operation. For this purpose, the chromatograph must be able to communicate with a control unit, printer or control sys- tem.
Page 34: How Are Characters Transmitted
Networking How are characters transmitted? A digital computer only recognizes the states yes and no or 0 and 1. They are represented e.g. by 0 V and 0 1 0 1 0 0 1 1 +5 V in a memory cell (bit). 0 1 0 1 0 1 0 1 Eight bits are combined into one byte.
Page 35: Various Serial Interfaces
Networking VARIOUS SERIAL INTERFACES Control unit Chromatographs The term Serial interface only describes that letters are transmitted as a succession of bits. The electri- Transmitter Receiver cal properties of the various serial interfaces are 20mA very different. The chromatograph and control unit use the following serial interfaces: V.24 RS232...
Page 36: Various Components For Networking
Networking VARIOUS COMPONENTS FOR NETWORKING Chromatographs, control units, server PCs and Chromatographs * PGC102 control systems can be combined together in * PGC302 * P30/30 numerous versions. The interconnections are de- RS232/TTY * RGC202 scribed in the register External piping and wiring RS232/TTY diagrams.
Page 37: Examples Of Networking
Networking EXAMPLES OF NETWORKING Local operation Constellations can basically be produced by con- necting identical interfaces together. This functions without problems for the control unit, modems, in- RS232 terface converters and chromatographs. Additional software is required in certain cases: Control Pc Chromatograph Server software and interface drivers are required for networks with server PCs...
Page 38: Modbus Coupling
Networking MODBUS COUPLING TELEPERM COUPLING The process control system (PCS) contains a mem- The chromatograph and PCS communicate via ory area into which the chromatograph can write data blocks. These data blocks must be defined in via the interface. The PCS software can the PCS.
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Page 40: Installation Installation Location
Contents INSTALLATION Page Page Connection of control unit Installation location Local connection of control unit Space requirements ....2 using prepared RS 232 cable ... . 18 Permissible ambient temperature .
Page 41: Installation Location
Installation of chromatograph Installation of chromatograph INSTALLATION LOCATION You must observe the following information under Technical data. Permissible ambient temperature Permissible relative humidity Power supply, power consumption Lightning protection 1056 Gas connections, gas purity Purging air, control air Space requirements 600 mm on both sides of chromatograph from 4 x M8 side wall or next chromatograph...
Page 42: Assembly
Control unit, ChromLAN - Liquide sample: 98% for 0,3µm particles Installation of software (see register The software) - Gaseous sample: 99,99% for 0,1µm particles. Siemens sample conditioning units CAUTION: equipped with appropiate filters! Leave the dummy plugs on the gas inlets until you are ready to use the chromatograph.
Page 43: Power Switch
Installation of chromatograph Power switch The chromatograph does not have a power switch. A power switch and a fuse with a rating of 16 A/20 A at 230 V/115 V must be fitted in the building installation. The power switch should be installed close to the chro- matograph.
Page 44: Lightning Protection
Installation of chromatograph Lightning protection To protect personnel and equipment, we recommend the installation of appropriate lightning protection equipment in areas where storms occur. Comprehensive protection necessitates the following: Lightning conductor Earthed metal belts in building to protect against electrostatic charges. This is particularly important at greater altitudes and with dry air.
Page 45: Connection Of Local Message Printer
Installation of chromatograph Connection of local message printer Printer PGC 302 TTY aktive Interface SER.1 Terminal board A local printer can be connected to the interface SER.1 Terminal in order to print results and/or alarms. RxD+ TxD+ Receiver Transmitter The driver UNIDRV1 must be loaded for the interface RxD - TxD - 1.
Page 46: Connection Of External Status Signals And Digital Inputs
Installation of chromatograph Connection of status messages to control room Several status messages of the chromatograph are con- nected as digital signals to the terminal board. More details can be found in the register External wiring di- agrams. Analyzer failure The signal Analyzer failure of the chromatograph is connected to the terminal board as digital output 1.
Page 47: Connection Of Valves And Digital Outputs
Installation of chromatograph Connection of valves Digital Terminal on output + 24 V means terminal board and digital outputs No device failure (ready) The stream selection valves must be connected to the No maintenance request digital outputs. 24 digital outputs are present on the Run A terminal board.
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Page 49: Simatic Modules
SIMATIC modules -Baugruppen modules SIMATIC SIMATIC Electrical isolation SIMATIC modules All inputs and outputs are electrically isolated from the module power supply which is applied at the rear. The We additionally use modules in the chro- SIMATIC inputs and outputs are nevertheless not electrically iso- matograph as signal converters for analog and digi- lated in the chromatograph because the 24 V comes tal signals.
Page 50: Module Address
SIMATIC modules Module address The chromatograph computer (PCPU-2) expects modules in a particular address area. The ad- SIMATIC dressing enables several identical modules to SIMATIC be used. The computer identifies the separate modules by means of the set addresses. In addition, output mo- dules only react to write processes and input modules to read processes.
Page 51 SIMATIC modules 32 digital outputs 24V/0.5 A 6ES5 451-4UA12 The chromatograph already has internal digital outputs on its terminal board. The digital SIMATIC outputs commence with the number 33. In the ad- jacent Fig., Output 1 means the first output on this module.
Page 52 SIMATIC modules 16 digital outputs 24V/2 A 6ES5 453-4UA12 Apart from the technical data, the same comments apply as to the module 6ES5 451-4UA12. Technical data If you require detailed technical data, refer to e.g. Cata- log ST 54.1 SIMATIC S5. Permissible current 10 mA to 2 A Residual current with OFF...
Page 53: 16 Digital Inputs
SIMATIC modules Technical data 16 digital outputs 24V/0.5 A 16 digital inputs If you require detailed technical data, refer to e.g. Cata- log ST 54.1 SIMATIC S5. 6ES5 482-4UA12 16 digital outputs This module responds like one digital output mo- Permissible current 5 mA to 0.5 A dule and one digital input module where the inputs...
Page 54 SIMATIC modules 32 digital inputs 6ES5 430-4UA12 + 24 V G N D 2 4 Digital inputs can be used to import status signals into the chromatograph. Example: carrier gas Switch 1 pressure monitoring. The signal status of the digital inputs is identified by green lamps on the module.
Page 55: Analog Outputs 0 To 20 Ma Or 4 To 20 Ma
SIMATIC modules 8 analog outputs 8 analog inputs 0/4 to 20 mA 0 to 20 mA: 6ES5 470-4UA12 6ES5 460-4UA12 4 to 20 mA: 6ES5 470-4UC12 The analog inputs can be used to calculate process signals with the results of the chromatograph or to The chromatographs have two to four analog out- print them out together in a log.
Page 56 SIMATIC modules + 24 V G N D 2 4 Input 1 Locations for plug-in range submodules broken wire, channel 4 - 7 broken wire, channel 0 - 3 >>> line frequency 50 Hz single scanning >>> cyclic scanning line frequency 60 Hz >>>...
Page 57: Connection Of Control Unit
Connection of control unit Connection of control unit CONNECTION OF CONTROL UNIT The control unit is an -compatible personal computer. It can be permanently connected to the chromatograph, or it can be transported from chromatograph to chromatograph and only con- RESET nected for a short time.
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Page 59: Chromlan Networks
ChromLAN networks ChromLAN networks Interface converters Because the control units do not have RS485 interfaces, There are so many possibilities for generating networks the RS232 interface of the control unit must be con- with ChromLAN that no generally-applicable rules can verted.
Page 60 ChromLAN networks Permissible cable length Pin assignments of PCPU interfaces SER. 1 to SER. 4 RS485 Pin number on 9-pin plug of Permissible 1500 m 9600 Baud: 400 m PCPU-2 for cable length 4800 Baud: 1000 m 2400 Baud: 2500 m Standard Signal SER.1...
Page 61: Terminating Resistors
ChromLAN networks Terminating resistors Participant number of chromatograph in network RS485 lines must be terminated at both ends with 120-Ω resistors in order to prevent reflections. These There are two rotary switches STATION x1 resistors are fitted on the interface converter and the and STATION x16 on the PCPU-2.
Page 62: Setting Of Tty To Active/Passive
ChromLAN networks Setting of SER. 1 and SER. 2 Adjustment of transmission rate to TTY or RS232 (baud rate) The interfaces SER. 1 and SER. 2 can be set to TTY or The transmission rates can be adjusted in three different RS232 using DIP switches on the PCPU-2.
Page 63: Technical Data
Technical data Technical data Ovens TECHNICAL DATA Number 1 or 2 Air circulation None purging Possible Climatic conditions 220 x 260 x 195 (or 145) mm Dimensions (w x h x d) Permissible ambient temperature 5 to 40 °C Max. heating capacity 800 VA Upward or downward deviations possible depending on design...
Page 64 Technical data Detectors Injection Liquid injection valve 0.6 to 9.5 µl Detection limit for Injection volume hydrocarbons referred to carbon 2 x 10 Vaporization temperature 60 to 400 °C (*1) Dynamic response Sample pressure 0.1 to 50 bar abs. Automatic ignition Max.
Page 65 Technical data Control Sample streams Max. 32 Sample sequence 32 lines, sample enable list Analytical method One in the chromatograph Any number in the control unit Time program 2 x 55 lines Clock time program 16 lines for valves and BASIC programs 2 channels Chromatogram on the recorder Freely selectable using status form for...
Page 66 Contents Page COMMISSIONING AND SHUTTING DOWN Commissioning Connection of gases ....2 Adjustment of gases ....2 Switching on the chromatograph .
Page 67: Commissioning
Commissioning and shutting down Commissioning and shutting down Switching on the chromatograph COMMISSIONING Switch on the mains switch. Carry out all operations in the sequence listed in NOTE: PGC 302 these instructions to prevent damage to the chro- The PGC 302 doesn’t have a mains switch. We recommend an matograph.
Page 68: Purging The Electronics Area
Commissioning and shutting down PGC 302 only: ADDITIONAL FOR SERVICE Purging the electronics area AND INITIAL COMMISSIONING The electronics area must be purged for corrosion pro- Only for classified in division 1 area: PGC 302 tection or explosion protection in division 2 or 1 areas. position the key switch of the purging time control- Close the electronics door! ler to Bypass.
Page 69: Adjustment Of Detectors
Commissioning and shutting down ADJUSTMENT OF DETECTORS Adjustment of TCD All detector parameters are adjusted using the control unit. You can find more details in Register 5: Detectors. Switching-on of bridge current Change to operating mode Maintenance single run. Check the analysis parameters. A method is not in- Already switch the bridge current on when the oven/TCD is cold.
Page 70 Commissioning and shutting down Adjustment of FID and FPD Adjustment of ECD Ignition of detector Adjustment of reference current Select the function Signals in the selection display, and Select the function Signals in the selection display, and observe the detector signal there. The detector signal set the reference current according to the application must rise following ignition.
Page 71: Shutting Down
Commissioning and shutting down Adjustment of HID SHUTTING DOWN The column and detector become least contaminated Select drain voltage when the chromatograph is kept in operation. Do not switch off the chromatograph if the plant is shut down In the the switch for the drain voltage is lo- RGC 202 for a short period (up to 3 weeks).
Page 72 Process Gas Chromatographs, Supplement Operation via Keyboard and Screen C79000-B5376-C526-1 This manual is valid as from software version V8.0 It contains everything that is new or has been changed compared to software version V5.0...
Page 73 Contents CONTENTS Page Page DETECTORS edition II Reintegration new! Igniting FID/FPD, switching-on TCD ..4 Switching the automatic raw data Switching off the TCD bridge current ..5 transmission on or off .
Page 74: Detectors Edition Ii
Detectors DETECTORS edition II The chromatographs with the supplement editionII have digital detector amplifiers. These amplifiers are of double Eurocard size and are inserted next to interface module 3 in the electronics frame. The amplifiers have no control elements, all settings are made using the control unit.
Page 75: Switching Off The Tcd Bridge Current
Detectors Detectors Switching off the TCD bridge current Select the function Signals in the selection display. En- sure that you select the correct channel! Position the cursor to the column of the detector you wish to switch off. Then press the key F6: TCD switch off Adjusting the detector current The TCD requires a bridge current, the ECD a refer-...
Page 76: Selecting The Range
Detectors Selecting the range The detector amplifier can be switched in a maximum of nine ranges to enable optimum processing of the large dynamic response of the detector signal. These ranges each differ by a factor of 2. The dynamic re- sponse within a range is approx.
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Page 78: Chromatographs Edition Ii : Chromatogram On The Recorder
Chromatogram on the recorder CHROMATOGRAPHS edition II : CHROMATOGRAM ON THE RECORDER The detector amplifiers directly deliver the edition II digital detector signal for the internal evaluation. The integration time is 40 ms as previously. The detector signal is converted again by the chromato- graph into an analog signal for the recorder output.
Page 79: Attenuation
Chromatogram on the recorder Attenuation The attenuation is the factor by which the detector sig- nal is to be reduced (attenuated) for the recorder output. This is represented as a two’s exponent 2 to 2 Select the function Signals in the selection display and move the cursor for the desired channel to the line Re- corder/Attenuation.
Page 80: Changing The Polarity
Chromatogram on the recorder Changing the polarity Negative peaks can be output as positive on the re- corder by entering Polarity negative. Negative peaks are obtained e.g. with TCD if the carrier gas is argon, or if components are also measured in the reference branch.
Page 81: Baseline Correction
Chromatogram on the recorder Baseline correction % recorder deflection The baseline can drift if the detector is contaminated or if the supply gases are not pure. A baseline correction 1 0 0 can be triggered to ensure that the recorder does not run to the limit.
Page 82: New Integration Procedures And Other Improvements
Integration Integration New integration procedures and other improvements The integration procedures have been significantly extended since the software version V1.0: Integration procedure Software version External standard V1.0 and later 100% over all peaks (area standardization) V5.0 and later 100% over all measured components Internal standard Mixed mode V7.0 and later...
Page 83: External Standard
Integration 100% over all peaks: External standard area standardization A calibration sample with known composition is ana- lyzed. The concentrations of the components are then This is the integration procedure for which the least entered together with a dimension into the calibration data have to be entered.
Page 84: Mixed Mode
Integration Mixed mode Internal standard (only laboratory version) This integration method is a combination of the methods External standard and Area stand- If an internal standard is used, an exactly known quan- ardization. tity of a substance is added to the sample. The chroma- It takes into account unknown components and per- tograph refers the concentrations of the other compo- mits response factors.
Page 85: External Standard (Only Laboratory Version)
Integration External standard (only laboratory version) When calculating with an external standard, it is possible to additionally specify: A factor, e.g. a dilution factor The sample quantity. Dilution factor A factor can be entered for every sample in the display Start/Sequence.
Page 86: Three New Time Events Program Parameters
Integration THREE NEW TIME EVENTS Terminate integration prematurely PROGRAM PARAMETERS Subsequent processing of the integration was pre- viously triggered by the end of the run or the com- The time events program contains three new parameters mand REPORT. Subsequent operations are e.g. baseline which control the evaluation: correction of last peaks, standardization.
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Page 88: Reintegration New
Reintegration Reintegration new! With software version V7.0 and later, the chroma- tograph automatically stores the raw data of chan- nels A and B in its main memory. The main mem- ory in the chromatograph is large enough for 20 minutes with a data acquisition rate of 40 ms. The raw data must be compressed if the run takes longer than 20 minutes.
Page 89: Selecting The Run
Reintegration Selecting the run Select the function Reintegration in the selection dis- play, or press the key in the F6: Select run display Reintegration. The display File selection ap- pears. From the hard disk Raw data files are stored in the directory of the selected chromatograph on the hard disk of the control unit if you have switched on the raw data transmission.
Page 90: Optimizing The Integration Parameters
Reintegration Optimizing the integration parameters You can optimize the integration without having to leave the display Reintegration. All softkey functions return directly to this display so that the correct integra- tion parameters can be found very rapidly. Changing the peak recognition parameters All parameters of the display Peak recognition can be modified directly for the selected channel in the display Reintegration.
Page 91: Further Useful Information
Reintegration Further useful information It is not essential to read this page, but perhaps you wish to know more ... Selection of the raw data file Selection of the raw data files for reintegration is car- ried out e.g. from the directory \pgcarch\gc0101\ . There are many files there for each channel such as RC0101A.004 RC0101B.012...
Page 92: Print The Chromatogram And Results Following Each Run
Print chromatogram and results Print chromatogram and results following each run From software version V6.0 onwards, the chroma- togram and the results can be printed together: automatically following each run or manually. It is possible to define the measuring ranges, chart drive and baseline offset for the chromatogram using a special time events program.
Page 93: Optimization Of Time Events Program For Chromatogram Printout
Print chromatogram and results Optimization of time events program for chromatogram printout In a maximum of six time events program lines it is possible to modify the measuring range, baseline offset and chart drive. These parameters only have an effect on the chromato- gram printout.
Page 94: Test Printout
Print chromatogram and results Test printout You can request a test printout once you have op- timized time events program. Press . The display Time events F10: Test printout program appears again following printing. Manual printing of chromatogram Select the function Result list in the selection display, then select the desired run using the cursor keys, and confirm using .
Page 95: Manual Printing Of Results
Print chromatogram and results Manual printing of results Select the function Result list in the selection display, select the desired run using the cursor keys, and con- firm using . The screen Results appears. RETURN Press . You can find further F8: Print result information on this subject in Register 5, Printing the result list.
Page 96: Miscellaneous
Miscellaneous Miscellaneous Date/time The clock has a battery backup in chromatographs fitted with a PCPU-1 Chromatographs with a no longer have a PCPU-2 backup battery. Following a power failure, the clock is set to 1.1.1980, 0:00 hours. From software version V7.0 onwards (operation and control software!) the clock in the chromatograph can be synchronized with the clock in the control unit.
Page 97 Miscellaneous Screen Peak recognition modified The parameter Dynamic peak threshold can no longer be modified in the display Peak recognition. It can only be specifically used in the time events program. More details can be found in Register 5 under Dynamic peak threshold ON/OFF. Screen Raw data/Print modified The display Raw data/Pressure has been extended by the function Automatic printout of report and...
Page 98: Correction Of Errors In Register 5, V5.0
Miscellaneous Correction of errors Register in Register 5, V5.0 Concerns All chromatographs Chapter Appendix A: Register All BASIC commands Concerns All chromatographs Section Command IF...THEN...ELSE Chapter Detectors Paragraph First Section Baseline monitoring This should read: Paragraph Third 20 I F C <20 T HEN DO ( 1) =1 ELSE DO ( 1) =0 This should read: 30 C = C + 1 ...
Page 99 Miscellaneous Register Register Concerns RGC 202, process version Concerns RGC 202, process version Chapter Updating of retention window Chapter Appendix A: All BASIC commands Section Viewing corrected retention times Section Command ALA/ALB Paragraph Paragraph Flag table The key F7 must read: The flag table has been extended: ] instead of F7: correc.
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Page 101 GCLAN, GCARCHIV and PGCSIM Operation via Keyboard and Screen C79000-B5376-C521-2 As from software version 8.0...
Page 102 Contents CONTENTS Page Installation of software ... 3 Network summary (GCLAN) Starting GCLAN ....4 Leaving GCLAN .
Page 103: Installation Of Software
Installation of software Installation of software Latest information on the software Changes to the scope of delivery or Please follow the instructions in Register 2, The to individual program functions are software: Installation of software. When you install often carried out once the manuals the operating functions, the installation program have already been edited.
Page 104: Network Summary (Gclan)
Network summary Network summary (GCLAN) Network summary provides a summary of all chromatographs GCLAN connected to the control unit. At the same time, it summarizes operation, configuration and data management. shows the connected chromatographs in up to GCLAN three different types of display: One chromatograph Up to six chromatographs More than six chromatographs.
Page 105: Display Of A Chromatograph
Network summary Display of a chromatograph The following are displayed for every chromatograph: Chromatograph name Physical address (port/slave) Status Operating mode (twice with parallel run) Sample stream name (twice with parallel run) Duration of run (twice with parallel run) Actual time bar (twice with parallel run) Different types of display The following appearances are possible depending on the chromatograph status:...
Page 106: Accessing Chromatographs
Network summary Accessing chromatographs If you are not in the display Results, use the cursor keys to select the chromatograph you wish to access, and press . If you subsequently F10: Operate leave the operation mode, you return to the network summary.
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Page 108: Data Management (Gcarchiv)
GCARCHIV: Data management Where is the archive, Data management (GCARCHIV) and what fits into it? Archives can be created on the hard disk of the control permits the storage of results, chroma- GCARCHIV unit or on diskettes. Any number of archives are per- tograms and raw data.
Page 109: Archive Format
GCARCHIV: Data management Archive format It is not essential to know this in order to store data or read them from the archive, but it does no harm to explain it anyway: File names Files fresh from the chromatograph are named in \pgcarch\gc0101\ RP0101A.001 ...
Page 110: How Do I Proceed
GCARCHIV: Data management How do I proceed? Writing into an archive or reading from an archive requires the following steps: Select direction: write into archive or read from archive Select report or raw data Select archive Process information file Select run Trigger storing Select method Finished!!
Page 111: Generate Text Pattern
GCARCHIV: Data management Edit information file A text file is associated with each archive. You should save information on what you have stored, and when, in this file. You can also enter the setup of the chroma- tograph. You need not enter the analytical parameters here because you can store an analytical method (see below).
Page 112: Select Runs
GCARCHIV: Data management Select runs Press the function key in the F10: Select run screen Data management. The control unit outputs the screen Copy to/Load from. Mark the desired run (see below) and then press . A tick in front of F10: Exec the run indicates that it is selected.
Page 113: Select Method
GCARCHIV: Data management Select method Great care is necessary when transferring analytical methods! Since only one method can be stored in an archive, it is necessary to know: Whether the method in the archive is the current method Whether all stored runs match the method. If you load a method from the archive, you must know whether the method in the chromatograph has been modified in the meantime.
Page 114: Pgcsim
PGCSIM: Simulation of chromatographs Checking the memory assignments PGCSIM The current memory assignments of your control unit are indicated by the command . Type in the The operating software for the chromatographs following command following the prompt: previously only functioned if a chromatograph was connected to the control unit.
Page 115: What Is Simulated, And What Is Not
PGCSIM: Simulation von Chromatographen What is simulated, and what is not? The simulation replies from a database. It simulates: All parameters present in the method, including the filling-in of the time events program, the filling-in of the temperature program etc. It cannot Start runs Execute the temperature program...
Page 116 FUNCTIONAL DESCRIPTION OF THE ANALYTICAL SECTION Page Maintenance Schedule for Preventive Maintenance What Makes Your PGC 302 Explosion Protected Gas supply Pressure Regulator ....1 - 1 Needle Valves .
Page 131 Liquid injection valve Technical data Liquid injection valve Max. vaporization tempera- 60 ... 400 °C; The liquid injection valve can be used to automati- ture with explosion-proof analyzers according to the temperature class cally inject a constant quantity of liquid sample fol- 0.3 to 9.5 µl lowed by fast, complete vaporization.
Page 132 - 98% for 0.3-µm particles with liquid samples 130°C - 99.99% for 0.1-µm particles with gaseous samples Siemens sample preparation units contain such filters! Vaporization temperat. 100°C Temperature dependence of vaporization speed of water Manual injection It is possible to inject samples manually into the vapor- izer using an injection syringe.
Page 133 Liquid injection valve Diagnosis and maintenance If the surface of the injection tappet is attacked and roughened by the sample, it must be replaced by a tap- The following factors have an influence on the mainte- pet made of a different material (e.g. Hastelloy, Monel, nance frequency: tantalum, sapphire, ZrO Sample properties (with/without sliding properties,...
Page 134 Such a filter is not blocked, but is punctured when its Siemens sample conditioning units contain surface is completely full. This can be recognized in such filters. that the coloring of the filter reaches the outlet side in the flow direction.
Page 135 Liquid injection valve MAINTENANCE Lift off the vaporizer (7), sample flow unit (5) and adjustment assembly (4) from the injection tappet Remove the sample flow unit and the lenticular gas- CAUTION: Hot ket (if the latter has not remained stuck in the vapor- izer), allow the plate springs to drop out Before carrying out the following steps, Pull the control piston with tappet (22) out of the...
Page 136 Liquid injection valve Replacing the injection tappet IMPORTANT: Do not grind! The injection tappet should be replaced when its sur- face is scratched. Never treat the tappet with emery paper or a dry polishing cloth. The surface must be free of furrows to ensure that the injection vol- ume is correctly sealed and that the piston Assembly of valve...
Page 137 Liquid injection valve Rotate the vaporizer (except the glass vaporizer) us- IMPORTANT ing a 6-mm fork spanner until the carrier gas inlet is parallel to the sample flow unit. The carrier gas Check that the sample flow unit can be eas- should blow through the hole in the tappet when in- ily inserted into the vaporizer and the adjust- jecting!
Page 138 Liquid injection valve Replacement of dosing tappet ONLY Fitting of heating plate We recommend that you completely remove and ser- Cover the top oven wall well with insulating mate- vice the liquid injection valve when you replace the rial. dosing tappet. If you nevertheless only wish to replace Position the heating plate with ceramic insulators, the tappet, proceed as follows: and screw tight.
Page 139 Liquid injection valve The PFDV versions The PFDV has already been manufactured for many years, and has been permanently improved and developed further within this time. Therefore different versions of the individual PFDV compo- nents may be encountered in different chromato- graphs.
Page 140 Liquid injection valve Conical gasket Flat gasket Hole Ring groove Conical gasket Flat gasket Swagelok Flat gasket Conical gasket Conical gasket Glass liner packed capillary packed capillary 2 - XI Register8.vp Stand: 20.11.2000...
Page 141 6-way ceramic valve Technical data 6-way ceramic valve 80 µl … 4 ml Injection volume The 6-way ceramic valve can be used to inject gas- Control gas eous samples onto the column. - Piping 2 x 0.3 mm - Control gas pressure 3 ...
Page 142 6-way ceramic valve Operation Maintenance and diagnosis The serum valve is maintenance-free. It should be re- Changing the injection volume placed after 500000 switching operations. Switch off the sample stream and the injection valve. It is possible to check whether the valve drive is operat- Purge the line.
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Page 170 FPD - flame photometric detector Design Flame photometric detector The FPD comprises: The flame photometric detector (FPD) is available Bottom part with connections for combustion gas, in two versions: combustion air, column and exhaust, burner nozzle and reflector Explosion-proof Center part with combustion chamber, ignition elec- Non-explosion-proof.
Page 171 FPD - flame photometric detector Combustion chamber Additional heater as option The burner nozzle consists of two annular gaps. The The Ex-FPD can be supplied with an optional addi- combustion gas H flows out of the outer annular tional heater. Condensation would be formed in the gap and mixes with the combustion air from the FPD at oven temperatures below 100 °C and have a inner gap.
Page 172 FPD - flame photometric detector Gas supply DETECTOR GAS SUPPLY synthetic air The FPD requires the following gases: Type of gas Gas quantity Combustion gas 75 - 85 ml/min Combustion gas Exhaust Hydrogen (D1) Combustion air (D2) 110 - 130 ml/min Digital Make-up gas Approx.
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Page 174 FPD - flame photometric detector Troubleshooting Cause Remedy Cause Remedy Observation: FPD is cold: Observation: baseline drifts at stable temperatures Heater is turned off Switch on the heater Is drift less without carrier gas? Heater or temperature sensor Connect the cables correctly. - Yes: column is contaminated - Replace column not connected correctly...
Page 175 FPD - flame photometric detector Cause Remedy Observation: sensitivity is too low Leak upstream or downstream Find and eliminate leak of column Nozzle is broken Replace nozzle Nozzle is incorrectly adjusted Adjust nozzle, refer to Replacement of quartz nozzle Combustion gas flow too low, Optimize flow rates combustion air flow too high Sample quantity too high:...
Page 176 Components on the Ex-FPD must only be Close the bottom opening of the top part so that no removed or replaced by a trained Siemens light can enter maintenance engineer or by the user’s...
Page 177 FPD - flame photometric detector Ex version: cleaning the quartz disk, Ex version: combustion chamber, reflector replacement of quartz nozzle Remove top part as described under Replacement of The top and center parts should be removed in order to interference filter or photomultiplier check correct installation.
Page 178 FPD - Flame photometric detector Non-Ex version: Measure the resistance of the detector voltage replacement of interference filter socket against the housing: setpoint 11.5 MΩ. Eliminate a short-circuit if present before connect- Shut down the FPD ing the detector voltage Disconnect two plugs from the multiplier housing: Push the photomultiplier with protective pipe onto first the detector voltage, then the signal cable...
Page 179 FPD - Flame photometric detector Non-Ex version: Non-Ex version: replacement of quartz nozzle replacement of heater cartridge and temperature sensor Remove photomultiplier as described above Unscrew the column connector from the oven The heater cartridge and temperature sensor are chamber plugged into an aluminium heating plate.
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Page 193 Column switching COLUMN SWITCHING Once a number of components have passed through Column switching column A, they are flushed out through the cut outlet. Column switching provides many advantages with They never reach column B. its various operating modes Straight, Backflush, Cut.
Page 194 Live switching Live switching Selection of live T-piece Different live T-pieces are required for the different col- The two columns are connected by the live T-piece. The umn diameters. The following table lists all live T- sample then only comes into contact with a platinum- pieces.
Page 195 Four pages ... - and you know how live switching functions! Four pages ... - and you know how live switching functions! Pressures and flows are important Two columns are connected in series, and a pressure of is connected to the beginning. Atmospheric pressure is present at the end.
Page 196 Four pages ... - and you know how live switching functions! What we don’t know yet If we wish to prevent a specific peak from disappearing into column B once it has passed through column A, we need a separation between the two columns and also an outlet for the cut.
Page 197 Four pages ... - and you know how live switching functions! Away with the solenoid valve! A significant advantage of live switching should be that the sample does not come into contact with valves. We must therefore find another way of controlling the pressure difference via the coupling capillary.
Page 198 Four pages ... - and you know how live switching functions! If it really were that simple ..then we would be finished. Why does live switching therefore have to the adjusted? The live T-piece has 6 connections, of which 3 can be outputs.
Page 199 Adjusting the live switching Adjusting the live switching The suitable test substance The test substance for the adjustment should generate only one peak without a short retention time. An alkane IMPORTANT with approximately the same boiling point as the measured component is appropriate. Example: methane For safety reasons the function Backflush for gas injection or hexane for liquid injection.
Page 200 Adjusting the live switching 3. Preadjustment of differential pressure 6. Adjustment of flow through the coupling capillary in position Cut If possible: Set the differential pressure to 20 mbar using the capil- It is also useful to adjust the differential pressure to -20 lary.
Page 201 Live switching: troubleshooting Faults which may occur during startup With Straight : Peak on monitor detector and The differential pressure is reduced at high preliminary peak on main detector even though the temperatures. differential pressure is very low and P this greatly Cause Remedy...
Page 202 Live switching: troubleshooting Faults which may occur Maintenance of live switching after a certain period The live T-piece is maintenance-free. However, packing material may block the coupling capillary or the annu- lar clearance between the coupling capillary and the Peak areas become smaller, calibration factors larger column.
Page 203 Live switching: troubleshooting The other way: flow diagrams The following two tables show all possibilities for the positions Straight and Cut. Please note that the target is always the left-hand (bright) path. STRAIGHT BACK Live T-piece BACK BYPASS BACK PURGE OUTLET OUTLET Column A...
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Page 205 Column switching with diaphragm valves Valve position Straight Column switching with diaphragm valves The valves "Back" and "Cut" are switched such that columns A, B and C are connected in succession. The columns are connected via 6-way diaphragm Carrier gas flows through the injection valve Inj. to valves.
Page 206 Column switching with diaphragm valves Adjustment of flow The required flow is specified in the application docu- NV 1 Det. ments. The following rule applies: The same quantity of gas must flow through the detector, out of the backflush outlet, and Back out of the cut outlet.
Page 207 Contents FUNCTION DESCRIPTION OF ELECTRONICS Page Summary of electronics All fuses ......2 Block diagram ..... 3 Detector electronics Signal flow .
Page 208: Summary Of Electronics
Summary of electronics Summary of electronics Summary of electronics Heater control board Power supply Detector electronics PCPU-2 Interface board 3 Purging monitoring unit and power connectors Terminal board All fuses Location Designation Type Purpose Above the heater control board T 4 A (230 V) Main fuse for electronics T 6.3 A (115 V) F 2 and F 3...
Page 209: Block Diagram
Summary of electronics Block diagram Bedien gerät schließ Power supply 5V, 24V 12V, +15V, -15V Interface board 3 Heater control board 230 V Mains clock Mains clock Filter Analog inputs Terminals for Pt100 8x for Pt100 8x Pt100 2x thermocouple Plug for Thermocouple 2x thermocouple...
Page 210: Detector Electronics
Detector electronics DETECTOR ELECTRONICS There is a separate double-height Eurocard for each type of detector. The module contains all power supplies, amplifiers and compensating cir- cuits where required. Two modules are inserted for channels A and B in the electronics frame on the right of the PCPU-2.
Page 211: Electronics For Fid And Fpd
Detector electronics Electronics for FID and FPD The FID signal is applied directly to a precision X202 X201 analog-to-digital converter for extremely small cur- rents in the pA range. Operating voltage The operating voltage is 300 V for the FID and 600 V for the photomultiplier of the FPD.
Page 212: Tcd Electronics
Detector electronics TCD electronics The TCD is a heated resistance measuring bridge. X202 X201 The sample gas changes two of the bridge resist- ances if components dissipate heat better or worse than the carrier gas. The bridge offset is amplified and is used as the input signal.
Page 213 Detector electronics Zero adjustment If an autozero is triggered manually or by a time pro- gram, the microcontroller compensates the bridge off- set. To do this, it determines an appropriate number of pulses per unit in time. It passes these pulses on to the bridge via field-effect transistors.
Page 214: Ecd Electronics
Detector electronics ECD electronics A ß-radiator in the ECD ionizates the carrier gas. The pulsed operating voltage forces a current. This current decreases when components appear and X202 X201 catch electrons. This current is supplied by the detector electronics as rectangle pulse with constant amplitude, 1µs pulse width and 0,3 ...
Page 215: Interface Amplifier
Detector electronics Interface amplifier To the interface amplifier you can connect signals X202 X201 that you want to process like detector signals in the chromatograph. The interface amplifier is identi- cally with the TCD amplifier. Input sensitivity The interface amplifier covers three ranges dependent on terminals used.
Page 216: Control Electronics
Control electronics DETEKTORELEKTRONIK CONTROL ELECTRONICS The boards of the control electronics are of double- height Eurocard format. They are plugged next to one another in the electronics rack. Sequence from left to right: interface board 3, PCPU-2, detector amplifier, options, power supply. All electronic boards are maintenance-free.
Page 217: Pcpu-2
Control electronics PCPU-2 The adjacent drawing shows the standard setting of a switch PCPU-2 when delivered. You need only make changes in the following cases: Station x1 Station x16 If TTY interfaces are to be active (seldom the case), change X8 to X11 SER.
Page 218: Terminal Board
Control electronics Terminal board Terminal assignments The terminal board connects the interface board 3 to the valves, switches, recorders etc. It has terminals for Terminal Group Application the following functions: Power -15 V supply GND 5 V 24 digital outputs +15 V 16 digital inputs +24 V...
Page 219: Heater Control Board
Control electronics Heater control board The heater control board connects interface board 3 to the heaters, temperature sensors and temperature limiters, and also has terminals for the power supply. Plugs and cable connections Plug Application X13 12 Temperature sensors for controllers 1 to 8 X3 to X5 Heaters for controllers 1 to 8 X6, X7...
Page 220 Control electronics Heater control board (continued), power supply Terminal Application Spare Spare Spare To power supply To power supply To power supply Power supply Two ratings of the switched-mode power supply are available. Version 6815 is fitted as standard. The power supply provides the following voltages and currents: Voltage...
Page 234 Process Gas Chromatograph PGC 302 edition II Spare parts list C79000-E5376-C524-1...
Page 243 Spare parts list PGC 302 edition II Order no. Description Basic equipment Housing 1.1.1.1 Temperature limiter, 60°C W79086-D3-A60 1.1.1.2 Axial fan, 24V C79451-A3404-B218 Oven 1.2.1 Heating of oven 1.2.1.1 Heating cartridge 115V :˝230V: 2 in serie 115V: 2 in parallel W75083-A1001-F115 1.2.1.2 Measuring resistor Pt100...
Page 244 Spare parts list PGC 302 edition II Order no. Description Gas injection valves 2.2.1 6-way diaphragm valve 2.2.1.1 6 way diaphragm valve C79450-A3014-A1 2.2.1.2 Set: 20 Diaphragms and 8 plate springs ˝for 6 way valve C79304-A3000-D7 2.2.2 Slide vane rotary valve, up to 220°C 2.2.2.1 Slide vane rotary valve, up to 220°C, complete...
Page 245 Spare parts list PGC 302 edition II Order no. Description 3.3.2 FPD without EX-protection 3.3.2.1 Flame photometric detector complete,˝without EX-protection, 230V C79211-A3006-A1 3.3.2.2 Flame photometric detector complete,˝without EX-protection, 115V C79211-A3006-A9 3.3.2.3 Set: Gaskets for Non-EX-FPD C79304-A3000-D9 3.3.2.4 Measuring resistor Pt100 C79211-A3005-B15 3.3.2.5 Heating cartridge 230V...
Page 246 Spare parts list PGC 302 edition II Order no. Description 4.2.2 Back-T-piece for packed columns 4.2.2.1 Back-T-piece for columns I.D.=1/8" C79304-A3000-B7 4.2.2.2 Back-T-piece for columns I.D.=4mm C79304-A3000-B8 4.2.3 Back-T-piece for capillary columns 4.2.3.1 Capillary Back-T-piece C79304-A3000-C54 Needle valve 4.3.1.1 Needle valve, graphite C74402-A2246-A6 4.3.1.2 Needle valve, PTFE...
Page 247 Spare parts list PGC 302 edition II Order no. Description 4.7.2 Distributors 4.7.2.1 3 fold distributor, 1,5mm -> 1,5mm C74304-A16-C449 4.7.2.2 4 fold distributor, 1,5mm -> 1,5mm C74304-A16-C450 4.7.2.3 4 fold distributor, 1mm -> 1,5mm C79304-A3000-C26 4.7.2.4 6 fold distributor, 1,5mm -> 1,5mm C74304-A16-B286 4.7.2.5 Injection split...
Page 248 Spare parts list PGC 302 edition II Order no. Description Software 5.6.1.1 Software ( Operation program "Bedi",˝Configuration "Konfig", PCPU-2-Software) S79610-S12-A88 Ersatz3e.xls...

Siemens PGC 302 Edition II Manual

Information for the User

Conformity Certificates

Safety Information

Symbols and Abbreviations

Explosion Protection

Switching on the Chromatograph . . . . . . . . . . 9

Pressurized Enclosure, Switching on the Chromatograph

Pgc 302

Maintenance of Classified Parts

The Software

The Software

Software in the Chromatograph

Software in the Control Unit

Software in the Server

Software in the Control System

The Ibm -Compatible Pc

The Directories on the Control Unit

The Directories on the Server

Installation of Software

Software and Configuration . . . . . . . 11

Installation of Operating Software and Configuration

Parameterization of Control Unit

Optimizing Memory in the Control Unit . . . . . 12

Installation of Control Software

Installation of Server Software

Starting the Software

Problems and Errors

Networking

Installation

Installation Location

Assembly

SIMATIC Modules

Connection of Control Unit

Chromlan Networks

Technical Data

Commissioning and Shutting down Commissioning

Commissioning

Additional for Service and Initial Commissioning

Shutting down

Optimization of Time Events Program for Chromatogram Printout

Contents

DETECTORS Edition II

CHROMATOGRAPHS Edition II : CHROMATOGRAM on the RECORDER

New Integration Procedures and Other Improvements

Selecting the Integration Procedure

Three New Time Events Program Parameters

Reintegration New

Print the Chromatogram and Results Following each Run

For Chromatogram Printout . . . . . . . . . . . 23

Optimization of Time Events Program for Chromatogram Printout

Miscellaneous

Gclan, Gcarchiv and Pgcsim

Installation of Software

Network Summary (GCLAN)

Data Management (GCARCHIV)

How Do I Proceed

Pgcsim

Function Description of Electronics

Summary of Electronics

Detector Electronics

Control Electronics

Quick Links

Chapters

Related Manuals for Siemens PGC 302 Edition II

Summary of Contents for Siemens PGC 302 Edition II