Siemens SIMATIC S7-1200

Technical specifications
A.4 CPU 1211C
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1377
Technical data
CPU 1211C AC/DC/Relay and
CPU 1211C DC/DC/Relay
CPU 1211C DC/DC/DC
Switching delay (Qa.0 to Qa.3) 10 ms max. 1.0 μs max., off to on
3.0 μs max., on to off
Pulse Train Output rate Not recommended
1
100 kHz (Qa.0 to Qa.3)
2
, 2 Hz min.
Lifetime mechanical (no load)
10,000,000 open/close cycles
--
Lifetime contacts at rated load
100,000 open/close cycles
--
Behavior on RUN to STOP Last value or substitute value
(default value 0)
Number of outputs on simultaneously
4 at 60 °C horizontal, 50 °C vertical
Cable length (meters) 500 m shielded,
150 m unshielded
1
For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.
2
Depending on your pulse receiver and cable, an additional load resistor (at least 10% of rated current) may improve
pulse signal quality and noise immunity.
A.4.4
Analog inputs
Table A- 18 Analog inputs
Technical data
Description
Number of inputs
2
Type
Voltage (single-ended)
Full-scale range
0 to 10 V
Full-scale range (data word)
0 to 27648
Overshoot range
10.001 to 11.759 V
Overshoot range (data word)
27649 to 32511
Overflow range
11.760 to 11.852 V
Overflow range (data word)
32512 to 32767
Resolution
10 bits
Maximum withstand voltage
35 V DC
Smoothing None, Weak, Medium, or Strong
See the table for Step response (ms) for the analog inputs of the CPU
(Page 1378).
Noise rejection
10, 50, or 60 Hz
Impedance ≥100 KΩ
Isolation (field side to logic)
None
Accuracy (25 °C / -20 to 60 °C)
3.0% / 3.5% of full-scale
Cable length (meters)
100 m, shielded twisted pair