Festo CTEU-DN Description, Functions And Maintenance page 38

2. Installation and interfaces
Function Bus node and
network connection
check
not configured
With network
connection
LED MNS
Flashes green
LED IO Is off
Tab. 2/9: Functional test using the status LEDs MNS and IO - after making the DIL
switch setting
2-16
3. Set the diagnostics and fail-state mode.
Mounting of the DIL switch cover
1. Place the cover carefully on the bus node. Make sure that
the seal is seated correctly.
2. Tighten the two mounting screws at first hand-tight and
then with a max. torque of 0.4 Nm.
Functional test after making the DIL switch setting -
with network connection
Check the operating status of the bus node:
1. Connect the bus node to the fieldbus.
2. Check the network connection to the PLC using the status
LEDs MNS and IO
(additional information can be found in Section 3.2.2).
Bus node and
network connection
configured
PLC
in Stop mode
Illuminates green
Flashes green
Tab. 2/9 below
PLC
in Run mode
Illuminates green
Illuminates green
Festo P.BE-CTEU-DN-OP+MAINT-EN en 1206NH
Status
Operating
status of bus
node (test
result)
OK
OK