Siemens SIMATIC IM151-1 - Interrupt, Error, and System Messages; LED Displays on the Interface Module

IM151-1 HIGH FEATURE interface module (6ES7151-1BA02-0AB0)
Manual, 03/2008, A5E01075975-02
43
Interrupt, error, and system messages
4
4.1 LED displays on the interface module
Interface module
LED displays on the interface module:
1
2
3
(76
6)
%)
21
① Group error (red)
② Bus fault (red)
③ Supply voltage (green)