16
LED red
LED green
Status
Note
Flashing
Off
Connection to the host
controller is established, no
valid configuration
Check configuration
On
Off
No connection to the
host controller
Check connection
Flashing
Flashing
Self-test
Starting phase of the device
8.2.5 LEDs IO1 ... IO4
The LED indications of the process connections differ with each connection
configuration�
Use as input to IEC 61131
LED green LED yellow
Status
Note
Off
Off
Interface deactivated
Interface was not configured
via the host controller
On
Off
Interface activated, input
on low level (0 V)
-
On
On
Interface activated, input
on high level (24 V)
-
Flashing
at
8 Hz
Flashing at
8 Hz
Overload or short circuit
-
