Siemens SIMATIC S7-1200 - Page 1375

Technical specifications
A.4 CPU 1211C
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK
1375
Table A- 14 Power supply
Technical data
CPU 1211C
AC/DC/Relay
CPU 1211C
DC/DC/Relay
CPU 1211C
DC/DC/DC
Voltage range
85 to 264 V AC
20.4 V DC to 28.8 V DC
Line frequency 47 to 63 Hz --
Input current CPU only at max. load 60 mA at 120 V AC
30 mA at 240 V AC
300 mA at 24 V DC 300 mA at 24 V DC
CPU with all expansion
accessories at max. load
180 mA at 120 V AC
90 mA at 240 V AC
900 mA at 24 V DC
Inrush current (max.)
20 A at 264 V AC
12 A at 28.8 V DC
Isolation (input power to logic)
1500 V AC
Not isolated
Ground leakage, AC line to functional
earth
0.5 mA max. --
Hold up time (loss of power) 20 ms at 120 V AC
80 ms at 240 V AC
10 ms at 24 V DC
Internal fuse, not user replaceable
3 A, 250 V, slow blow
Table A- 15 Sensor power
Technical data
CPU 1211C
AC/DC/Relay
CPU 1211C
DC/DC/Relay
CPU 1211C
DC/DC/DC
Voltage range
20.4 to 28.8 V DC
L+ minus 4 V DC min.
Output current rating (max.)
300 mA (short-circuit protected)
Maximum ripple noise (<10 MHz)
< 1 V peak to peak
Same as input line
Isolation (CPU logic to sensor power)
Not isolated