Lenze EMF2133IB - Manual (Page 115)

Diagnostics
Troubleshooting and fault elimination
Checking PROFIBUS
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115 EDSMF2133IB EN 5.0
9.2.2 Checking PROFIBUS
Short check of the PROFIBUS system in the case of faulty initialisation:
ƒ Take into account the diagnostics information of the PROFIBUS communication
module in the host.
ƒ It might be useful for troubleshooting to reduce the bus to such an extent that only
one device remains connected to the PROFIBUS.
Switch on all devices or
disconnect all devices that are
switched off from the PROFIBUS
Are all devices connected
to the PROFIBUS
switched on?
PROFIBUS
initialisation
OK?
Yes
Reduce the number of
devices connected to the
PROFIBUS until the device in
question is the last one
connected
Reconnect the
next device
No
Yes
Replace device
No