Specifications

Interrupts/diagnostics alarms
5.1 Status and error displays
Analog Input Module AI 8xU/I HS (6ES7531-7NF10-0AB0)
28 Manual, 07/2014, A5E03484886-AC
CHx LED
Table 5- 3 CHx status display
LED CHx
Meaning
Remedy
Off
Channel disabled ---
On
Channel configured and OK. ---
On
Channel is configured (channel error pending).
Diagnostic alarm: e.g. wire break
Check the wiring.
Disable diagnostics.
See also
Diagnostics alarms (Page 31)