Siemens SIMATIC S7 Functional Safety Manual

Technical specifications
A.2 Fail-Safe CPU technical specifications
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
153
A.2.2.4
Digital inputs and outputs
Table A- 16 Digital inputs
Technical data
CPU 1214FC
DC/DC/Relay
CPU 1214FC
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
14 inputs 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- 17 Digital outputs
Technical data
CPU 1214FC
DC/DC/Relay
CPU 1214FC
DC/DC/DC
Number of outputs
10
Type
Relay, mechanical
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
Required external overload protection
4
10 A maximum must be limited to any
common
5 A maximum must be limited to any
common
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
--

Siemens SIMATIC S7 Specifications

General

Brand	Siemens
Model	SIMATIC S7
Category	Controller
Language	English