SMA CLUSTER CONTROLLER User Manual page 106

18 Troubleshooting
Modbus
Problem
The Cluster Controller cannot be ac-
cessed by the Modbus client.
The Modbus profile contains mea-
sured values that are not supported by
the SMA device.
The Cluster Controller does not re-
spond within the response time speci-
fied by the Modbus client.
The Cluster Controller does not trans-
mit a value specified in the Modbus
profile to the devices in the system.
106 ClusterController-BA-en-15
Cause and corrective measure
The required Modbus server is not activated.
Corrective measures:
• Activate the required Modbus server (see
Section 12.1, page 60).
The correct IP address for the Cluster Controller is not set
in the Modbus client.
Corrective measures:
• Read off the IP address of Cluster Controller (see
Section 10.4.1, page 54).
• Ensure that the correct IP address for the
Cluster Controller is set in the Modbus client (see
manual from manufacturer).
The Modbus configuration may be incorrect.
Corrective measures:
• Check the Modbus configuration using the
assignment tables and adjust if required (see the
Technical Description "
"SMA CLUSTER CONTROLLER Modbus® Interface"
").
The Modbus configuration may be incorrect.
Corrective measures:
• Check the Modbus configuration using the
assignment tables and adjust if required (see the
Technical Description "
"SMA CLUSTER CONTROLLER Modbus® Interface"
").
The Modbus configuration may be incorrect.
Corrective measures:
• Check the Modbus configuration using the
assignment tables and adjust if required (see the
Technical Description "
"SMA CLUSTER CONTROLLER Modbus® Interface"
").
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User Manual