Retentive Memory Nvram; Bios Setup; Power Options; Benefits Of The Function: Sleep Mode - Siemens SIMATIC ET 200SP Operating Instructions Manual
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10.2
Retentive memory NVRAM
Retentive memory is non-volatile memory for saving a limited quantity of data in the event of
power failure.
The data defined as retentive is stored in retentive memory. This data is retained beyond a
power-off or power failure.
A corresponding function is implemented in the S7‑1500 software controller to allow NVRAM
to be used there. This saves up to 410 KB of data in non-volatile data memory in the case of
power failure. This function can be set on the engineering station in the TIA Portal.
10.3
BIOS setup
BIOS setup
The boot order can be set using the BIOS Setup.
Changing the device configuration
The device configuration is preset for working with the supplied software.
Only change the set values if you have made technical changes to your device.
10.4
Power options
A power plan with the name SIMATIC S7 is set as default on the CPU 1515SP PC2. This ensures
that the CPU does not deviate from its maximum clock rate in order not to endanger the real-time
capability of the software controller.
10.5
Benefits of the function: Sleep mode
Under Windows 10, sleep mode reduces the power consumption of PCs and laptops during
ongoing operation. By default, Windows 10 puts the computer into standby mode after 15 or 30
minutes of inactivity.
To change the default settings of the mode, follow these steps:
1. Open the Control Panel on your PC.
2. Select the "Hardware and Sounds" category.
3. Click "Power options".
A new window opens.
4. On the left side, click on "Change when the PC sleeps".
A new window opens with two columns for On battery (for notebooks) and Plugged in (for
notebooks and PCs).
CPU 1515SP PC2 (F/T/TF)
Operating Instructions, 03/2023, A5E42603425-AC
10.5 Benefits of the function: Sleep mode
Functions
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