Rockwell-automation DAG6.5.8 APPLICATION GUIDE SCADA SYSTEM Manual de usuario Pagina 164

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Publication AG-UM008C-EN-P - February 2005
4-26 Configuring SLC 5/03, 5/04, and 5/05 Processors
Lack of Memory/No ACK
Sent
word 8 The number of times the processor could not receive a message because
it did not have available memory
Lost Modem word 12 The number of times the lost modem bit has gone low to high
Messages Retry word 4 The number of message retries sent by the processor
Undelivered Messages word 3 The number of messages that were sent by the processor but not
acknowledged by the destination device
Duplicate Messages
Received
word 9 The number of times the processor received a message packet identical
to the previous message packet
Bad Packet/No ACK word 7 The number of incorrect data packets received by the processor for which
no ACK was returned
DTR (Data Terminal Ready) word 0;bit 4 The status of the DTR handshaking line (asserted by the processor)
DSR (Data Set Ready) word 0;bit 2 The status of the DSR handshaking line (received by the processor)
RTS (Request to Send) word 0;bit 1 The status of the RTS handshaking line (asserted by the processor)
CTS (Clear to Send) word 0;bit 0 The status of the CTS handshaking line (received by the processor)
DCD (Carrier Detect) word 0;bit 3 The status of the DCD handshaking line (received by the processor)
Table 4.6 Understanding the DF1 Half-Duplex Slave Status Screen Fields
Status Field Diagnostic File Location Definition
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