Delta AH500 Manual page 679

14.8 LED Indicator and Trouble-shooting
14.8.1 RUN and NET Indicators

RUN LED
RUN LED displays the work status of AHRTU-PFBS-5A.
LED state
AHRTU-PFBS-5A is in
Green RUN state and is
light ON communicating with
the master.
AHRTU-PFBS-5A is in
STOP state and has
Green not made the
light connection with the
flickers master (When the
digital display shows
F1.)
Green
No power
light OFF

NET LED
NET LED displays if the connection between AHRTU-PFBS-5A and the PROFIBU DP master is
normal.
LED state
The master makes the
Green
connection with the
light ON
slave.
AHRTU-PFBS-5A does
not make the connection
with the master (while
Red light reporting F1) or is offline
ON after making the
connection with the
master (while reporting
F6)
Green
No power
light OFF
Chapter 14 Remote I/O Communication Module AHRTU-PFBS
Indication
--
1. Turn the RUN/STOP switch of the master PLC to
RUN
2. Check if AHRTU-PFBS-5A has been configured in
the PROFIBUS DP master configuration software.
3. Check if the communication cable between the
PROFIBUS DP master and AHRTU-PFBS-5A is
normal.
4. Check if the PROFIBUS DP master works
normally.
5. Verify that both of the two ends of the PROFIBUS
DP network have the terminal resistors.
Check if the power module PS05 works normally.
Indication
--
1. Check if AHRTU-PFBS-5A has been connected to
the PROFIBUS DP bus
2. Check if the communication cable between the
PROFIBUS DP master and AHRTU-PFBS-5A is
normal.
3. Check if the actual address of AHRTU-PFBS-5A
is consistent with that configured in the software.
4. Check if the GSD file used is correct.
Check if the power module PS05 works normally.
How to deal with
How to deal with
14-49