Siemens SIMATIC S7 Functional Safety Manual

Technical specifications
A.3 Fail-Safe signal module (SM) technical specifications
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
171
A.3
Fail-Safe signal module (SM) technical specifications
A.3.1
Fail-Safe signal modules (SM)
Table A- 45 Fail-Safe signal modules
Signal module model
Digital inputs
Digital outputs
Removable con-
nector
SM 1226 F-DI 16 x 24 VDC 8 x 24 VDC (1oo2),
16 x 24 VDC (1oo1),
or a mix
- Y
SM 1226 F-DQ 4 x 24 VDC - 4 x 24 VDC Y
SM 1226 F-DQ 2 x Relay
-
2 x Relay
Y
A.3.2
SM 1226 F-DI 16 x 24 VDC
A.3.2.1
Properties
Article number
6ES7 226-6BA32-0XB0
Properties
The SM 1226 F-DI 16 x 24 VDC has the following features:
● 16 inputs (SIL 2/Category 3/PL d), 8 inputs (SIL 3/Category 3 or Category 4/PL e), or a
mix
● 24 VDC-rated input voltage
● Suitable for switches and 3/4-wire proximity switches (BEROs)
● Two short circuit-proof sensor supplies, each one for eight inputs
● External sensor supply possible
● Module fault display (DIAG; green and red LED)
● Status display for each input (green LED)
● Fault display for each input (red LED)
● Assignable diagnostics
● Refer to "Fault diagnostics" (Page 119) for a description of LED and diagnostic message
functions.

Siemens SIMATIC S7 Specifications

General

Brand	Siemens
Model	SIMATIC S7
Category	Controller
Language	English