Manual for MVK-MPNIO Modules
62 V 1.9
6. Diagnostics
6.1 LED Indicators
C
hannel-related diagnostics are displayed at the M12 socket via the LED assigned to this particular
channel. The following tables show the relationship between cause of error and LED display. Depending
on the parameterization of the channel, the LED indicators have different meanings.
6.1.1 Modules with Digital Inputs
E
very input and output has a separate status display. It is labeled with '00 to 07' or '10 to 17'. It is located
next to the corresponding M12 socket and allows easy mapping to the status of the peripheral compo-
nents such as sensors and actuators.
N/O input
0 V 0 off
24 V 1 yellow
N/C input
0 V 1 off
24 V 0 yellow
Diagnostic input
0 V 1 red
24 V 0 Off
Short-circuit at sensor
- - red
6.1.2 Modules with Digital Outputs
Output
0 0 V off
1 24 V yellow
Actuator warning
- - red