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