Siemens S7-1200 - Analog Inputs and Outputs

Technical specifications
A.5 CPU 1215C
S7-1200 Programmable controller
872 System Manual, 03/2014, A5E02486680-AG
Technical data
CPU 1215C AC/DC/Relay
and CPU 1215C DC/DC/Relay
CPU 1215C DC/DC/DC
Isolation groups 2 1
Inductive clamp voltage -- L+ minus 48 VDC,
1 W dissipation
Switching delay (Qa.0 to Qa.3) 10 ms max. 1.0 μs max., off to on
3.0 μs max., on to off
Switching delay (Qa.4 to Qb.1) 10 ms max. 50 μs max., off to on
200 μs max., on to off
Maximum relay switching frequency
1 Hz
--
Pulse Train Output rate Not recommended
1
100 kHz (Qa.0 to Qa.3)
2
, 2 Hz min.
20 kHz (Qa.4 to Qb.1)
2
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
• 5 (no adjacent points) at 60 °C horizontal or 50 °C vertical
• 10 at 55 °C horizontal or 45 °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.5.4
Analog inputs and outputs
Table A- 75 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 VDC
Smoothing None, Weak, Medium, or Strong
See the table for step response (ms) for the analog inputs of the CPU.
Noise rejection
10, 50, or 60 Hz
Impedance
≥100 KΩ
Isolation (field side to logic)
None