Siemens SIMATIC S7 Functional Safety Manual page 167

Measurement ranges of the analog outputs for current of the CPU
Table A- 40 Analog output representation for current of the CPU
System
Decimal Hexadecimal
32767 7FFF
32512 7F00
32511 7EFF
27649 6C01
27648 6C00
20736 5100
34 22
0 0
Negative values
In an overflow condition, analog outputs will behave according to the device configuration properties settings. In the
1
"Reaction to CPU STOP" parameter, select either: "Use substitute value" or "Keep last value".
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
Current output range
0 mA to 20 mA
See note 1
See note 1
23.52 mA
20 mA
15 mA
0.0247 mA
0 mA
Negative values are not
supported
A.2 Fail-Safe CPU technical specifications
Overflow
Overshoot range
Rated range
Technical specifications
167