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

Page 103

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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