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Manual – MOVIDRIVE® MDX61B MOVI-PLC® DHP11B Control Card
7
Diagnostic procedure for PROFIBUS-DP
Error Diagnostics
7.2
Diagnostic procedure for PROFIBUS-DP
Diagnostic problem: The DHP11B control card does not work on
PROFIBUS.
Initial status:
•
The DHP11B control card is connected physically to PROFIBUS.
•
The DHP11B control card was configured in the DP master and bus
communication is active.
↓
Is the bus connector plugged in?
No
→
[A]
Yes
↓
Response of the LED Profibus fault?
OFF
→
[B]
ON
→
[C]
FLASHES
↓
The DHP11B control card detects the baud rate but was not configured in
the DP master or was configured incorrectly.
↓
Check whether the configured PROFIBUS address is the same as the
address set on the DIP switches.
↓
PROFIBUS addresses identical?
No
→
[D]
Yes
↓
You may have configured an incorrect unit type or defined the configuration
incorrectly.
↓
Delete the configuration for the DHP11B control card from the DP network.
↓
Configure the DHP11B control card again, choosing the unit designation
"MOVI-PLC."
Use a predefined configuration to simplify the process. Do not change any
of the preset configuration data!
Assign the address range for your control system.
↓
Load the configuration in the DP master and start the bus communication
again.
[A]
Check the bus cabling!
[B]
The DHP11B control card is currently exchanging data cyclically with the
DP master.
[C]
The DHP11B control card does not detect the baud rate.
Check the bus cabling.
[D]
Adapt the bus addresses.