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ICDM-RX/MOD User Manual
Diagnostics Menu
6.5. Modbus/TCP and Serial Modbus Master Statistics Page
Click
Diagnostics | Modbus Diagnostics | Modbus/TCP Interface
to access the
Modbus/TCP and Serial Modbus
Master Statistics
page, which is explained in the following table.
Note:
The Modbus/TCP interface uses the standard socket port of 502.
Modbus/TCP and Serial Modbus Master Statistics Page
Modbus/TCP Slave Mode Specific Statistics
Active Modbus/TCP
Slave Connections
Displays the current number of active Modbus/TCP slave connections. These
connections were initiated by a controller to the ICDM-RX/MOD.
Modbus/TCP Slave
Connections Opened
Displays the total number of Modbus/TCP slave connections that have been
opened.
Modbus/TCP Slave
Connections Closed
Displays the total number of Modbus/TCP slave connections that have been
closed.
Messages Received
From Modbus/TCP
Master(s)
Displays the total number of Modbus/TCP messages received from Modbus/TCP
master(s).
Responses Sent to
Modbus/TCP Master(s)
Displays the total number of Modbus/TCP responses sent to Modbus/TCP
master(s).
Modbus Broadcasts
Received From Modbus/
TCP Masters
Displays the number of Modbus broadcast messages received from Modbus/TCP
Masters.
Invalid Command
Lengths
Displays the number of messages received with invalid command lengths.
Invalid Message Data
Errors
Displays the number of messages received with invalid message data errors.
These errors occur when the ICDM-RX/MOD receives a message that cannot be
processed due to improper message data.
Invalid request Protocol
Types
Displays the number of messages received with invalid protocol errors. This
occurs when a message is received with a protocol other than the Modbus/TCP
protocol value of zero.
Modbus/TCP Master Mode Specific Statistics
Active Modbus/TCP
Master Connections
Displays the current number of active Modbus/TCP master connections. These
connections were initiated by the ICDM-RX/MOD to a Modbus/TCP slave.
Modbus/TCP Master
Connections Opened
Displays the total number of Modbus/TCP master connections that have been
opened.
Modbus/TCP Master
Connections Closed
Displays the total number of Modbus/TCP master connections that have been
closed.
Messages Sent To
Modbus/TCP Slave(s)
Displays the total number Modbus messages sent to remote Modbus/TCP slaves.
Responses Received
From Modbus/TCP
Slave(s)
Displays the total number of Modbus responses received from the Modbus/TCP
Slave(s).
Invalid Response Data
Errors From Modbus/
TCP Slave(s)
Displays the number of response data errors to polling requests returned from the
Modbus/TCP Slave(s). Possible causes include:
•
Incorrect transaction ID incorrect.
•
Message command length to large.
•
Incorrect device Id in response.
