5.2.4.2. Modbus diagnostics
The following parameters serve to diagnose the Modbus interface and communication via
Modbus.
Preconditions
Control unit (CU) of the inverter is provided with Modbus.
Name / value range / [default setting]
(P511.01)
Active Modbus settings: Active node ID (Modbus
diag.: Active node ID)
Display of the active node address.
0x2322:002
(P511.02)
Active Modbus settings: Active baud rate (Modbus
diag.: Active baud rate)
Display of the active baud rate.
(P511.03)
Active Modbus settings: Data format (Modbus diag.:
Data format)
Display of the active data format.
(P580.01)
Modbus statistics: Messages received (Modbus
statistic: Mess. received)
Read only
Display of the total number of messages received.
This counter counts both valid and invalid messages.
After the maximum value has been reached, the counter starts again
(P580.02)
Modbus statistics: Valid messages received (Modbus
statistic: Val. mess. rec.)
Display of the number of valid messages received.
After the maximum value has been reached, the counter starts again
0x232A:003
(P580.03)
Modbus statistics: Messages with exceptions
(Modbus statistic: Mess. w. exc.)
Read only
Display of the number of messages with exceptions that have been
received.
After the maximum value has been reached, the counter starts again
0x232A:004
(P580.04)
Modbus statistics: Messages with errors (Modbus
statistic: Mess. w. errors)
Read only
Display of the number of messages received with a faulty data integrity
(parity, CRC).
After the maximum value has been reached, the counter starts again
0x232A:005
(P580.05)
Modbus statistics: Messages sent (Modbus statistic:
Messages sent)
Display of the total number of messages sent.
After the maximum value has been reached, the counter starts again
Related topics
Modbus RTU
220