Df1 full-duplex channel status -35, Df1 full-duplex channel status – Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM User Manual
Page 103

Publication AG-UM008C-EN-P - February 2005
Configuring MicroLogix 1100/1200/1500 Controllers 3-35
DF1 Full-Duplex Channel Status
Channel Status data is stored in the Channel Status Function file. Table
3.10 on page 3-35 explains information regarding the diagnostic
counter data displayed.
1. Double-click on the Channel
Status Icon Located beneath
the Configuration icon to bring
up the Channel Status screen.
2. See Table 3.10 for details
concerning the DF1
Full-Duplex Channel Status
Screen.
Table 3.10 Understanding The DF1 Full-Duplex Status Screen Fields
Status Field
Communication Status
Function File Location
(2)
Definition
Messages Sent
CSx:10
The total number of DF1 messages sent by the processor (including
message retries)
Messages Received
CSx:11
The number of messages received with no errors
ENQs Received
CSx:15
The number of ENQs received by the processor
Lack of Memory/Sent NAK
CSx:14
The number of times the processor could not receive a message because
it did not have available memory
Received NAK
CSx:17
The number of NAKs received by the processor
Undelivered Messages
CSx:12
The number of messages that were sent by the processor but not
acknowledged by the destination device