Channel X Diagnostics dialog box parameters (Modbus Slave)
When the device is online, the
Channel
dialog box shows the Modbus Slave diagnostic counters. This information is used for performance and error management.X
DiagnosticsParameter | Description |
|---|---|
Message Packets Transmit Count | Number of message packets sent by the slave. |
Message Packets Received Count for This Slave | Number of message packets received by the slave. |
Message Packets Receive Count | Total number of message packets received on the bus, including packets not addressed to this server. |
Link Layer Error Count | Number of errors returned. |
Link Layer Error Code | The error code associated with the error. |
Bus Message Count | Number of messages that the slave detected on the communications system. |
Bus Communication Error Count | Number of CRC errors encountered by the slave. |
Bus Exception Error Count | Number of Modbus exception responses returned by the slave. |
Bus Character Overrun Count | Number of messages addressed to the slave that it could not handle due to a character overrun condition. A character overrun is caused by data characters arriving at the port faster than they can be stored, or by the loss of a character due to a hardware malfunction. |
Presentation Layer Error Code | The presentation layer error code |
Presentation Layer Error Count | Number of presentation layer error codes. |
Execution Function Error Code | The function code that caused the last Exception Error. |
Last Transmitted Exception Code | The exception code of the last function code that was in error. |
Data File Number of Error Request | The data file number of last error request. |
Element Number of Error Request | The data element number of the last error request. |
Function Code 1 Message Counter | Number of Function Code 1 messages processed by the remote device. |
Function Code 2 Message Counter | Number of Function Code 2 messages processed by the remote device. |
Function Code 3 Message Counter | Number of Function Code 3 messages processed by the remote device. |
Function Code 4 Message Counter | Number of Function Code 4 messages processed by the remote device. |
Function Code 5 Message Counter | Number of Function Code 5 messages processed by the remote device. |
Function Code 6 Message Counter | Number of Function Code 6 messages processed by the remote device. |
Function Code 22 Message Counter | Number of Function Code 22 messages processed by the remote device. |
Function Code 23 Message Counter | Number of Function Code 23 messages processed by the remote device. |
Parameter | Description |
|---|---|
Message Packets Transmit Count | Number of message packets sent by the slave. |
Message Packets Receive Count for This Slave | Number of message packets received by the slave. |
Message Packets Receive Count | Number of message packets received by the master and slave. |
Link Layer Error Count | Number of errors returned. |
Link Layer Error Code | The error code associated with the error. |
Bus Message Count | Number of messages that the slave has detected on the communications system. |
Bus Communication Error Count | Number of CRC errors encountered by the slave. |
Bus Exception Error Count | Number of Modbus exception responses returned by the slave. |
Bus Character Overrun Count | Number of messages addressed to the slave that it could not handle due to a character overrun condition. A character overrun is caused by data characters arriving at the port faster than they can be stored, or by the loss of a character due to a hardware malfunction. |
Presentation Layer Error Code | The error code of the presentation layer. |
Presentation Layer Error Count | Number of presentation layer error codes. |
Execution Function Error Code | The function code that caused the last Exception Error. |
Last Transmitted Exception Code | The exception code of the last function code that was in error. |
Data File Number of Error Request | The data file number of last error request. |
Element Number of Error Request | The data element number of the last error request. |
Function Code 1 Message Counter | Number of Function Code 1 messages processed by the remote device. |
Function Code 2 Message Counter | Number of Function Code 2 messages processed by the remote device. |
Function Code 3 Message Counter | Number of Function Code 3 messages processed by the remote device. |
Function Code 4 Message Counter | Number of Function Code 4 messages processed by the remote device. |
Function Code 5 Message Counter | Number of Function Code 5 messages processed by the remote device. |
Function Code 6 Message Counter | Number of Function Code 6 messages processed by the remote device. |
Function Code 15 Message Counter | Number of Function Code 15 messages processed by the remote device. |
Function Code 16 Message Counter | Number of Function Code 16 messages processed by the remote device. |
Function Code 22 Message Counter | Number of Function Code 22 messages processed by the remote device. |
Function Code 23 Message Counter | Number of Function Code 23 messages processed by the remote device. |
Field Power | Shows whether field power is present on the channel. |
Field Power on Timestamp | Shows the timestamp of the last time field power turned on in YYYY-MM-DD-HH:mm:SS.mmm format.
|
Field Power off Timestamp | Shows the timestamp of the last time field power turned off in YYYY-MM-DD-HH:mm:SS.mmm format.
|
Reset Diagnostics | Resets diagnostics for channel. |
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