Modbus Diagnostics; Profibus Diagnostics - Lenze i55AE125B Manual

Diagnostics and fault elimination
Diagnostics parameter
Network diagnostics
6.2.4.2

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.
Parameter Name / value range / [default setting]
0x2322:001 Active Modbus settings: Active node ID
(P511.01) (Modbus diag.: Active node ID)
• Read only
0x2322:002 Active Modbus settings: Active baud rate
(P511.02) (Modbus diag.: Active baud rate)
• Read only
• For the meaning of the display see parameter
0x2321:002
0x2322:003 Active Modbus settings: Data format
(P511.03) (Modbus diag.: Data format)
• Read only
• For the meaning of the display see parameter
0x2321:003
0x232A:001 Modbus statistics: Messages received
(P580.01) (Modbus statistic: Mess. received)
• Read only
0x232A:002 Modbus statistics: Valid messages received
(P580.02) (Modbus statistic: Val. mess. rec.)
• Read only
0x232A:003 Modbus statistics: Messages with exceptions
(P580.03) (Modbus statistic: Mess. w. exc.)
• Read only
0x232A:004 Modbus statistics: Messages with errors
(P580.04) (Modbus statistic: Mess. w. errors)
• Read only
0x232A:005 Modbus statistics: Messages sent
(P580.05) (Modbus statistic: Messages sent)
• Read only
Related topics
4Modbus RTU
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6.2.4.3

PROFIBUS diagnostics

The following parameters serve to diagnose the PROFIBUS interface and communication via
PROFIBUS.
Preconditions
Control unit (CU) of the inverter is provided with PROFIBUS.
Parameter Name / value range / [default setting]
0x2342:001 Active PROFIBUS settings: Active station address
(P511.01) (PROFIBUS diag.: Act.station addr)
• Read only
122
(P510.02).
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(P510.03).
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Info
Display of the active node address.
Display of the active baud rate.
Display of the active data format.
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
"0".
Display of the number of valid messages received.
• After the maximum value has been reached, the counter starts again
"0".
Display of the number of messages with exceptions that have been
received.
• After the maximum value has been reached, the counter starts again
"0".
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
"0".
Display of the total number of messages sent.
• After the maximum value has been reached, the counter starts again
"0".
Info
Display of the active station address.