Technical specifications
A.4 CPU 1211C
A.4.3
Digital inputs and outputs
Table A- 16
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 V DC)
Number of inputs on simultaneously
Cable length (meters)
Table A- 17
Digital outputs
Technical data
Number of outputs
Type
Voltage range
Logic 1 signal at max. current
Logic 0 signal with 10 KΩ load
Current (max.)
Lamp load
ON state resistance
Leakage current per point
Surge current
Overload protection
Isolation (field side to logic)
Isolation groups
Inductive clamp voltage
Maximum relay switching frequency
1376
CPU 1211C AC/DC/Relay, CPU 1211C DC/DC/Relay, and
CPU 1211C DC/DC/DC
6
Sink/Source (IEC Type 1 sink)
24 V DC at 4 mA, nominal
30 V DC, max.
35 V DC for 0.5 sec.
15 V DC at 2.5 mA
5 V DC at 1 mA
707 V DC (type test)
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)
6 at 60 °C horizontal, 50 °C vertical
500 m shielded, 300 m unshielded, 50 m shielded for HSC inputs
CPU 1211C AC/DC/Relay and
CPU 1211C DC/DC/Relay
4
Relay, mechanical
5 to 30 V DC or 5 to 250 V AC
--
--
2.0 A
30 W DC / 200 W AC
0.2 Ω max. when new
--
7 A with contacts closed
No
1500 V AC
(coil to contact)
None (coil to logic)
1
--
1 Hz
CPU 1211C DC/DC/DC
Solid state - MOSFET (sourcing)
20.4 to 28.8 V DC
20 V DC min.
0.1 V DC max.
0.5 A
5 W
0.6 Ω max.
10 μA max.
8 A for 100 ms max.
707 V DC (type test)
L+ minus 48 V DC, 1 W dissipation
--
S7-1200 Programmable controller
System Manual, V4.2, 09/2016, A5E02486680-AK