Analog Inputs And Outputs - Siemens S7-1200 System Manual

Technical specifications
A.5 CPU 1215C
Technical data
Isolation groups
Inductive clamp voltage
Switching delay (Qa.0 to Qa.3)
Switching delay (Qa.4 to Qb.1)
Maximum relay switching frequency
Pulse Train Output rate
Lifetime mechanical (no load)
Lifetime contacts at rated load
Behavior on RUN to STOP
Number of outputs on simultaneously •
Cable length (meters)
For CPU models with relay outputs, you must install a digital signal board (SB) to use the pulse outputs.
1
Depending on your pulse receiver and cable, an additional load resistor (at least 10% of rated current) may improve
2
pulse signal quality and noise immunity.
A.5.4

Analog inputs and outputs

Table A- 75 Analog inputs
Technical data
Number of inputs
Type
Full-scale range
Full-scale range (data word)
Overshoot range
Overshoot range (data word)
Overflow range
Overflow range (data word)
Resolution
Maximum withstand voltage
Smoothing
Noise rejection
Impedance
Isolation (field side to logic)
872
CPU 1215C AC/DC/Relay
and CPU 1215C DC/DC/Relay
2
--
10 ms max.
10 ms max.
1 Hz
Not recommended
1
10,000,000 open/close cycles
100,000 open/close cycles
Last value or substitute value (default value 0)
5 (no adjacent points) at 60 °C horizontal or 50 °C vertical
10 at 55 °C horizontal or 45 °C vertical
•
500 m shielded, 150 m unshielded
Description
2
Voltage (single-ended)
0 to 10 V
0 to 27648
10.001 to 11.759 V
27649 to 32511
11.760 to 11.852 V
32512 to 32767
10 bits
35 VDC
None, Weak, Medium, or Strong
See the table for step response (ms) for the analog inputs of the CPU.
10, 50, or 60 Hz
≥100 KΩ
None
CPU 1215C DC/DC/DC
1
L+ minus 48 VDC,
1 W dissipation
1.0 μs max., off to on
3.0 μs max., on to off
50 μs max., off to on
200 μs max., on to off
--
100 kHz (Qa.0 to Qa.3)
20 kHz (Qa.4 to Qb.1)
2
--
--
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
, 2 Hz min.
2