Publication 1785-UM012D-EN-P - July 2005
Communicating with a PLC-5 Adapter Channel 7-19
Monitoring Remote I/O
Adapter Channels
To monitor channels that are configured to support adapter mode, use the
adapter mode status screen. The data displayed is stored in the diagnostic file
you defined in the adapter mode configuration screen of your programming
software.
Status Field Location Description
Messages sent word 1 Displays the number of messages sent by the channel.
Messages sent with error word 3 Displays the number of messages containing errors sent by the channel.
Messages received word 0 Displays the number of error-free messages received by the channel.
Messages received with error word 2 Displays the number of messages containing errors received by the channel.
Messages unable to receive word 4 Displays number of messages that contained protocol errors or packets that were garbled by
the adapter.
Link timeout word 5 Displays the number of times a timeout occurred on the remote I/O link.
No scans received word 6 Displays the number of times an adapter channel did not receive a packet addressed to itself.
Mode changed word 7 Displays the number of times the adapter channel switched to online.
Protocol fault word 8 Displays the number of invalid I/O messages the adapter channel received.
Missed turn-around time word 9 Displays the number of times the adapter channel took longer than 2 ms to process a message
packet. The turn around-time for message packet processing is 2 ms.
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