Status displays and operational controls
Le
u
ze electronic
MA 255
i
3
5
TNT
35/7-2
4
V
8.1.2
LED indicators on the housing
MNS LED
continuous green light
Bus operation ok
- network mode ok
- connection and communication to the
host established
flashing green
Device ok
- no connection to HOST
- no termination
red continuous light
Network error
- interference on DeviceNet
- no connection established
- no communication possible
flashing red
Time exceeded during establishment of
connection
flashing red/green/off
Self-test after switching on
PWR LED
off
Device OFF
- no operating voltage or device error
continuous green light
Device ok
- self test successfully finished
- ready
flashing green
Device ok, device in service mode
red, flashing
Configuration error
- baud rate or address incorrect
MNS
MNS
MNS
MNS
MNS
PWR
PWR
PWR
PWR