Comtrol IOLM 4-EIP - Manual (Page 56)

56 - Chapter 7. Using the Diagnostics Pages IO-Link Master 4-EIP User Guide: 2000582 Rev. A
Modbus/TCP Diagnostics
Valid ISDU Responses From
Port
Displays the number of valid ISDU response messages returned from the
IO-Link port interface and available to the PLC(s). The response messages
contain results to the ISDU command(s) received in the request message.
ISDU Response Timeouts
Displays the number of ISDU requests that did not receive a response
within the configured ISDU Response Timeout.
Unexpected ISDU Responses
Displays the number of unexpected ISDU responses. Unexpected responses
may occur when an ISDU response is received after the ISDU request has
timed out. This typically requires setting the ISDU Response Timeout to a
longer value.
Maximum ISDU Request Msg
Response Time
Displays the maximum time period required to process all commands
within an ISDU request message. The response is not available until all
ISDU command(s) contained in the request have been processed.
Average ISDU Request Msg
Response Time
Displays the average time period required to process the ISDU request
message(s). The response is not available until all ISDU command(s)
contained in the request have been processed.
Minimum ISDU Request Msg
Response Time
Displays the minimum time period required to process all commands
within an ISDU request message. The response is not available until all
ISDU command(s) contained in the request have been processed.
ISDU Read Commands Displays the number of ISDU read commands received over Modbus/TCP.
ISDU Write Commands Displays the number of ISDU write commands received over Modbus/TCP.
ISDU NOP Commands
Displays the number of ISDU NOP (no operation) commands received over
Modbus/TCP.
Modbus/TCP Diagnostics (Continued)