User manual
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