Siemens SIMATIC S7-1200

Technical specifications
A.8 CPU 1217C
S7-1200 Programmable controller
1430 System Manual, V4.2, 09/2016, A5E02486680-AK
Table A- 92 Power supply
Technical data
CPU 1217C DC/DC/DC
Voltage range
20.4 V DC to 28.8 V DC
Line frequency --
Input current (max. load)
CPU only
600 mA at 24 V DC
CPU with all
expansion
accessories
1600 mA at 24 V DC
Inrush current (max.)
12 A at 28.8 V DC
Isolation (input power to logic)
Not isolated
Hold up time (from loss of power)
10 ms at 24 V DC
Internal fuse, not user replaceable
3 A, 250 V, slow blow
Table A- 93 Sensor power
Technical data
CPU 1217C DC/DC/DC
Voltage range
L+ minus 4 V DC min.
Output current rating (max.)
400 mA (short-circuit protected)
Maximum ripple noise (<10 MHz)
Same as input line
Isolation (CPU logic to sensor power)
Not isolated
A.8.3
Digital inputs and outputs
Table A- 94 Digital inputs
Technical data
CPU 1217C DC/DC/DC
Number of inputs 14: total:
10: Sink/source (IEC Type 1 sink)
4: Differential (RS422/RS485)
Type: Sink/source
(IEC Type 1 sink)
Ia.0 to Ia.7, Ib.0 to Ib.1
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.1)