Siemens S7-1200 - Digital Inputs and Outputs

Technical specifications
A.5 CPU 1215C
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
871
A.5.3
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 VDC at 4 mA, nominal
Continuous permissible voltage
30 VDC, max.
Surge voltage
35 VDC for 0.5 sec.
Logic 1 signal (min.)
15 VDC at 2.5 mA
Logic 0 signal (max.)
5 VDC at 1 mA
Isolation (field side to logic)
500 VAC for 1 minute
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 VDC)
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
Table A- 74 Digital outputs
Technical data
CPU 1215C AC/DC/Relay
and CPU 1215C DC/DC/Relay
CPU 1215C DC/DC/DC
Number of outputs
10
10
Type Relay, dry contact Solid state - MOSFET (sourcing)
Voltage range 5 to 30 VDC or 5 to 250 VAC 20.4 to 28.8 VDC
Logic 1 signal at max. current
--
20 VDC min.
Logic 0 signal with 10 KΩ load
--
0.1 VDC max.
Current (max.) 2.0 A 0.5 A
Lamp load
30 W DC / 200 W AC
5 W
ON state resistance
0.2 Ω max. when new
0.6 Ω max.
Leakage current per point
--
10 μA max.
Surge current
7 A with contacts closed
8 A for 100 ms max.
Overload protection
No
No
Isolation (field side to logic) 1500 VAC for 1 minute (coil to contact)
None (coil to logic)
500 VAC for 1 minute
Isolation resistance
100 MΩ min. when new
--
Isolation between open contacts
750 VAC for 1 minute
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