219
2020/09
9.1.5 Diagnostic and status messages
LED status displays
Diagnostics
This module has the following diagnostic data per channel:
Process data Value Meaning
DOx 0 Digital output inactive
1 Digital output active
LED Display Meaning Remedy
DIA red, flashing,
0.5 Hz
Diagnostics pending -
Red Module bus communi-
cation failure
Check if more than two ad-joining electronics mod-
ules 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
21 Green Status channel 2 = 1
Off Status channel 2 = 0
NOTE
The numbering of the channel LEDs corresponds to the numbering of the connectors at
the base module.
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
- - - - - - overcurrent
(short-circuit)
channel 1
overcurrent
(short-circuit)
channel 0