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Rockwell Automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM User Manual

Page 94

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Publication AG-UM008C-EN-P - February 2005

3-26 Configuring MicroLogix 1100/1200/1500 Controllers

Messages Retried

CSx:13

The number of message retries sent by the processor

Undelivered Messages

CSx:12

The number of messages that were sent by the processor but not
acknowledged by the destination device

Duplicate Messages
Received

CSx:18

The number of times the processor received a message packet identical
to the previous message packet

Bad Packet Received

CSx:16

The number of incorrect data packets received by the processor for which
no ACK was returned

RTS (Request to Send)

CSx:9/1

The status of the RTS handshaking line (asserted by the processor)

CTS (Clear to Send)

CSx:9/0

The status of the CTS handshaking line (received by the processor)

DCD (Carrier Detect)

(1)

CSx:9/3

The status of the DCD handshaking line (received by the processor)

(1) Only present on the MicroLogix 1500 LRP channel 1.

(2) The channel number equals x.

Table 3.6 Understanding the DF1 Half-Duplex Slave Status Screen Fields

Status Field

Communication Status

Function File Location

(2)

Definition