Siemens SIMATIC S7-1200

Technical specifications
A.7 CPU 1215C
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1415
A.7.3
Digital inputs and outputs
Table A- 73 Digital inputs
Technical data
CPU 1215C
AC/DC/Relay
CPU 1215C
DC/DC/Relay
CPU 1215C
DC/DC/DC
Number of inputs
14
Type Sink/Source (IEC Type 1 sink)
Rated voltage
24 V DC at 4 mA, nominal
Continuous permissible voltage 30 V DC, max.
Surge voltage
35 V DC for 0.5 sec.
Logic 1 signal (min.)
15 V DC at 2.5 mA
Logic 0 signal (max.)
5 V DC at 1 mA
Isolation (field side to logic)
707 V DC (type test)
Isolation groups
1
Filter times 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
HSC clock input rates (max.)
(Logic 1 Level = 15 to 26 V DC)
100/80 kHz (Ia.0 to Ia.5)
30/20 kHz (Ia.6 to Ib.5)
Number of inputs on simultaneously
• 7 (no adjacent points) at 60 °C horizontal or 50 °C vertical
• 14 at 55 °C horizontal or 45 °C vertical
Cable length (meters)
500 m shielded, 300 m unshielded, 50 m shielded for HSC inputs