VIPA System 200V IM Series, Manual

Page: 280 / 348

Chapter 6 DeviceNet
Manual VIPA System 200V
6-20 HB97E - IM - Rev. 06/29
LED Description
PW on After POWER ON the PW-LED is on.
ER on The ER-LED is turned on because an error was
RD off detected on the backplane bus.
BA on The BA-LED is turned on because the IM 253DN
coupler established a DeviceNet connection with
a master.
Note!
The IM 253DN coupler will execute a reset after 30s.
LED Description
PW on The ER-LED is turned on for 1 second because a
ER on module error was detected. Subsequently the coupler
RD off IM 253DN will execute a reset. After the reset
BA off the coupler is re-started and it indicates the error
by means of the respective LED combination.
LED Description
PW on The ER-LED is turned on permanently and the RD-LED
ER on blinks because the quantity of I/O data was changed by
RD blinks the failure of the module. The configuration data could
BA on not be transferred.
All Allen - Bradley scanners will display message #77.
PW on The ER-LED is not turned on and the RD-LED is
ER off permanently on because the quantity of I/O data was
RD on modified by the failure of the module. The connection
BA on with the I/O modules was established.
All Allen - Bradley scanners will display message #77.
Errors during the
operation with
DeviceNet and
master
Change of state
from operational
to module error
status
Indicators after a
re-start and a
reset