Digital Inputs And Outputs - Siemens SIMATIC S7 Functional Safety Manual

Table A- 32 Sensor power
Technical data
Voltage range
Output current rating (max.)
Maximum ripple noise (<10 MHz)
Isolation (CPU logic to sensor power)
A.2.3.3

Digital inputs and outputs

Table A- 33 Digital inputs
Technical data
Number of inputs
Type
Rated voltage
Continuous permissible voltage
Surge voltage
Logic 1 signal (min.)
Logic 0 signal (max.)
Isolation (field side to logic)
Isolation groups
Filter times
HSC clock input rates (max.)
(Logic 1 Level = 15 to 26 VDC)
Number of inputs on simultaneously
Cable length (meters)
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
CPU 1215FC
DC/DC/Relay
L+ minus 4 VDC min.
400 mA (short-circuit protected)
Same as input line
Not isolated
CPU 1215FC
DC/DC/Relay
14
Sink/Source (IEC Type 1 sink)
24 VDC at 4 mA, nominal
30 VDC, max.
35 VDC for 0.5 sec.
15 VDC at 2.5 mA
5 VDC at 1 mA
500 VAC for 1 minute
1
us settings: 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 10.0, 12.8, 20.0
ms settings: 0.05, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 10.0, 12.8, 20.0
100/80 kHz (Ia.0 to Ia.5)
30/20 kHz (Ia.6 to Ib.5)
14 inputs at 55 °C horizontal or 45 °C vertical
500 m shielded, 300 m unshielded, 50 m shielded for HSC inputs
Technical specifications
A.2 Fail-Safe CPU technical specifications
CPU 1215FC
DC/DC/DC
CPU 1215FC
DC/DC/DC
163