Installation manual

Publication 1747-RM001G-EN-P - November 2008
13-68 SLC Communication Channels
DF1 Half-duplex Master Channel Status
Channel Status data is stored in the diagnostic file defined on the Channel 0
Configuration screen. See Table 13.21 on page 13-68 for information
regarding the diagnostic counter data displayed.
Double-click on the Channel Status
Icon Located beneath the
Configuration icon to bring up the
Channel Status screen.
See Table 13.21 for details concerning
the DF1 Half-Duplex Master Channel
Status Screen.
Table 13.21 SLC 5/03 and Higher Channel 0 DF1 Half-duplex Master Channel Status
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