Rockwell Automation 1785-Lxxx Enhanced and Ethernet PLC-5 Programmable Controllers - Manual (Page 95)

Publication 1785-UM012D-EN-P - July 2005
Communicating with Remote I/O 6-23
Monitoring messages
Status Field Location Description
Messages Tab (Messages = SDA messages + SDN messages)
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 word2 Displays the number of messages containing errors received by the channel (such as bad CRC).
Messages unable to receive word 4 Displays the number of messages received with protocol-related problems (such as a bad
block-transfer status byte with both read and write bits set).