Wiring Diagrams; Wiring Diagram; A.3.2.4 Wiring Diagrams - Siemens SIMATIC S7 Functional Safety Manual

A.3.2.4

Wiring diagrams

Table A- 51 SM 1226 F-DI 16 x 24 VDC (6ES7 226-6BA32-0XB0)
S7-1200 Functional Safety Manual
Manual, 02/2015, A5E03470344-AA
A.3 Fail-Safe signal module (SM) technical specifications
①
The two rectangular areas are yellow. These are only on
the fail-safe signal modules.
②
Two LEDs per input:
One for channel status: Green (on = input on, off = input
•
off)
One for channel faults: Red (on = problem/passivated, off
•
= ok, blink = ready to reintegrate (activate))
Note: Refer to "Digital input applications" (Page 68) for alter-
nate applications wiring.
Technical specifications
175