turck BL20 Series - 7.13.5 Diagnostic and status messages

97
2020/09
7.13.5 Diagnostic and status messages
LED status displays
LED Display Meaning Remedy
DIA Red
Module bus commu-
nication failure
Check if more than two ad-joining electronics modules
have been pulled. Check the supply of the module bus.
Off No error messages or
diagnostics
–
11 Green Status channel 1 = 1
Off Status channel 1 = 0
…
161 Green Status channel 16 = 1
Off Status channel 16 = 0
…
14 Green Status channel 17 = 1
Off channel 17 = 0
164 Green Status channel 32 = 1
Off channel 32 = 0
NOTE
The numbering of the channel LEDs corresponds to the numbering of the connectors at
the base module.