Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM - Manual (Page 154)

Publication AG-UM008C-EN-P - February 2005
4-16 Configuring SLC 5/03, 5/04, and 5/05 Processors
DF1 Half-Duplex Master Channel Status
Channel Status data is stored in the diagnostic file defined on the
Channel 0 Configuration screen. Table 4.3 on page 4-16 explains
information regarding the diagnostic counter data displayed.
Table 4.3 Understanding the DF1 Half-Duplex Master Status Screen Fields
1. Double-click on the Channel
Status Icon located beneath
the Configuration icon to bring
up the Channel Status
interface.
Status Field Diagnostic File Location Definition
DCD Recover word 11 The number of times the processor detects the DCD handshaking line has
gone low to high
Messages Sent word 1 The total number of DF1 messages sent by the processor (including message
retries)
Messages Received word 2 The number of messages received with no errors
EOT Received on First Poll word 8 Not implemented
Last Normal Poll List Scan word 5 Time in 100 ms increments of last scan through Normal Poll List
Last Priority Poll List Scan word 10 Time in 100 ms increments of last scan through Priority Poll List
Lost Modem word 12 The number of times the lost modem bit has gone low to high
Message Retry word 4 The number of message retries sent by the processor
2. See Table 4.3 for details
concerning the DF1
Half-Duplex Master Channel
Status interface.