Analog Output Specifications - Siemens S7-1200 System Manual

Technical specifications
A.5 CPU 1215C
A.5.4.4

Analog output specifications

Analog outputs
Table A- 79 Analog outputs
Technical data
Number of outputs
Type
Full-scale range
Full-scale range (data word)
Overshoot range
Overshoot range (data word)
Overflow range
Overflow range data word
Resolution
Output drive impedance
Isolation (field side to logic)
Accuracy (25 °C / -20 to 60 °C)
Settling time
Cable length (meters)
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".
Table A- 80 Analog output representation for current (CPU 1215C and CPU 1217C)
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".
874
Description
2
Current
0 to 20 mA
0 to 27648
20.01 to 23.52 mA
27649 to 32511
see footnote
1
32512 to 32767
10 bits
≤500 Ω max.
None
3.0% / 3.5% of full-scale
2 ms
100 m, shielded twisted pair
Current output range
0 mA to 20 mA
See note 1
See note 1
23.52 mA
20 mA
15 mA
12 mV
0 mA
Negative values are not
supported
Overflow
Overshoot range
Rated range
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG