Fail-Safe Signal Module (Sm) Technical Specifications; Fail-Safe Signal Modules (Sm); Sm 1226 F-Di 16 X 24 Vdc; Properties - Siemens SIMATIC S7 Functional Safety Manual

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

SM 1226 F-DI 16 x 24 VDC

SM 1226 F-DQ 4 x 24 VDC
SM 1226 F-DQ 2 x Relay
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.
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
A.3 Fail-Safe signal module (SM) technical specifications
Digital inputs
8 x 24 VDC (1oo2),
16 x 24 VDC (1oo1),
or a mix
-
-
Technical specifications
Digital outputs
-
4 x 24 VDC
2 x Relay
Removable con-
nector
Y
Y
Y
171