Communication report (least significant byte)
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Value
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Meaning
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16#00
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Correct exchange
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Operation report (most significant byte)
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Value / error code
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Meaning
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Send request code in increments of 16#30
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Positive result
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16#01
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Request not processed
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16#02
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Incorrect response
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16#03
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Reserved
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16#01
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Exchange stopped on timeout
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16#02
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Exchange stopped on user request (CANCEL)
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16#03
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Incorrect address format
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16#04
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Incorrect target address
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16#05
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Incorrect management parameter format
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16#06
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Incorrect specific parameters
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16#07
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Problem with sending to destination device
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16#08
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Reserved
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16#09
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Size of receive buffer is insufficient
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16#0A
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Size of send buffer is insufficient
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16#0B
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No system resources: the number of simultaneous communication EFs exceeds the maximum that can be managed by the processor.
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16#0C
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Incorrect exchange number
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16#0D
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No telegram received
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16#0E
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Incorrect length
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16#0F
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Telegram service not configured
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16#10
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Network module missing
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16#FF
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Message refused
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Operation report (most significant byte)
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Value / error code
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Meaning
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16#01
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Lack of resources communicating with the processor
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16#02
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Lack of line resources
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16#03
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Device missing
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16#04
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Line error
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16#05
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Length error
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16#06
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Communication channel fault
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16#07
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Addressing errors
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16#08
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Application fault
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16#0B
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No system resources: the number of simultaneous communication EFs exceeds the maximum that can be managed by the processor.
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16#0D
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Destination missing
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16#0F
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Intra-station routing problem or channel not configured
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16#11
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Address format not handled
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16#12
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Lack of destination resources
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16#FD
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Invalid parameter
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