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Siemens SIMATIC S7 System Manual page 745

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Table A- 104 Analog inputs
Model
Number of inputs
Type
Range
Full scale range (data word)
Overshoot/undershoot range
(data word)
Overflow/underflow (data word)
Resolution
Maximum withstand volt-
age/current
Smoothing
Noise rejection
Input impedance
Isolation (field side to logic)
Accuracy (25 °C / 0 to 55 °C)
Analog to digital conversion time
Common mode rejection
Operational signal range
Cable length (max.), in meters
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
A.4 Analog inputs and outputs expansion modules (EMs)
EM 2 x Analog Inputs / 1 x Analog Out-
puts (AM03)
2
Voltage or current (differential): Se-
lectable in groups of 2
±10 V, ±5 V, ±2.5 V, or 0 to 20 mA
-27,648 to 27,648
Voltage: 27,649 to 32,511 / -27,649 to -
32,512 Current: 27,649 to 32,511 / -
4,864 to 0
Voltage: 32,512 to 32,767 / -32,513 to -
32,768 Current: 32,512 to 32,767 / -
4,865 to -32,768
Voltage mode: 12 bits + sign
Current mode: 12 bits
±35 V / ±40 mA
None, weak, medium, or strong
400, 60, 50, or 10 Hz
≥9 M Ω
None
Voltage mode: ±0.1% /±0.2% of full scale
Current mode: ±0.2% /±0.3% of full scale
625 μs (400 Hz rejection)
40 dB, DC to 60 Hz
Signal plus common mode voltage must
be less than +12 V and greater than -12
V
100 m twisted and shielded
Technical specifications
EM 4 x Analog Inputs / 2 x Analog Outputs
(AM06)
4
Voltage or current (differential): Selectable
in groups of 2
±10 V, ±5 V, ±2.5 V, or 0 to 20 mA
-27,648 to 27,648
Voltage: 27,649 to 32,511 / -27,649 to -
32,512
Current: 27,649 to 32,511 / -4,864 to 0
Voltage: 32,512 to 32,767 / -32,513 to -
32,768
Current: 32,512 to 32,767 / -4,865 to -
32,768
Voltage mode: 12 bits + sign
Current mode: 12 bits
±35 V / ±40 mA
None, weak, medium, or strong
400, 60, 50, or 10 Hz
≥9 M Ω
None
Voltage mode: ±0.1% /±0.2% of full scale
Current mode: ±0.2% /±0.3% of full scale
625 μs (400 Hz rejection)
40 dB, DC to 60 Hz
Signal plus common mode voltage must be
less than +12 V and greater than -12 V
100 m twisted and shielded
745

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