1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

Protocol Configuration 601DF1 Half-Duplex Master Channel StatusChannel Status data is stored in the Communication Status Function File.Viewing Channel Status Data for DF1 Half-Duplex MasterDouble-click the Channel Status IconLocated beneath the Configurationicon to bring up the Channel Statusscreen.Communication Status Function DF1 Half-Duplex Master Channel StatusStatus Field Status File Location (1)DefinitionMessages 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 errorsPolls Sent CSx:15 The number of poll packets sent by the processorLack of Memory CSx:17 The number of times the processor could not receive a message becauseit did not have available memoryLast Normal Poll List Scan CSx:19 Time in 100 ms increments of last scan through Normal Poll ListLast Priority Poll List Scan CSx:21 Time in 100 ms increments of last scan through Priority Poll ListMessage Retry CSx:13 The number of message retries sent by the processorUndelivered Messages CSx:12 The number of messages that were sent by the processor but notacknowledged by the destination deviceDuplicate MessagesReceived(1) x equals the Channel number.CSx:18The number of times the processor received a message packet identicalto the previous message packetBad Packets Received CSx:16 The number of incorrect data packets received by the processor for whichno ACK was returnedMax Normal Poll List Scan CSx:20 Maximum time in 100 ms increments to scan the Normal Poll ListMax Priority Poll List Scan CSx:22 Maximum time in 100 ms increments to scan the Priority Poll ListRTS (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 (Data Carrier Detect) CSx:9/3 ReservedPublication 1766-RM001A-EN-P - October 2008