Table of Contents
Advertisement
Troubleshooting
Symptom
LED „RED" is
off
LED „Seg 1" ...
„SEG 4" are
flashing red
LED „Seg 1" ...
„SEG 4" is so-
lid red AND
LED „DP/ERR"
is solid red
Redundancy
switchover oc-
curs for no ap-
parent reason
Subject to reasonable modifications due to technical advances.
74
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
P R O F I B U S P
O W E R
Possible cause
Gateway Module is plug-
ged into Simplex-Mother-
board
Only one Gateway Module
is plugged into redundant
motherboard
Redundant board is used
and LED „Red." is solid
yellow at primary Gateway
Address collision:
The same address is
assigned to field devices
on two segments
BIS address collision:
The same address is assi-
gned to a field device and
one of the Built-In-Slaves
(in case of redundant
board: address or address
+ 64)
Hardware error
Built-In-Slave has left data
exchange
Inactivity/startup toggle
H
S
U B
E G M E N T
Remedy
Use redundant mother-
board
Not a fault
Not a fault. Gateway is
backup device
Change address of PA
slave
Change address of PA
slave
Send Gateway to Pep-
perl+Fuchs
Not a fault. See PROFI-
BUS specification
Not a fault. While not
used, redundant slaves
constantly change their
roles (see PROFIBUS
specification)
Copyright Pepperl+Fuchs, Printed in Germany
C
O U P L E R
Advertisement
Chapters
Table of Contents
