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Publication 1766-RM001A-EN-P - October 2008
Function Files
73
13
-
Link Layer Error Count
14
-
Link Layer Error Code
15…22
-
Reserved
Modbus RTU Master Diagnostic Counters Block (Presentation Layer)
Word
Bit
Description
52
-
Diagnostic Counters Category Identifier Code (always 6)
53
-
Length (always 32)
54
-
Format Code (always 0)
55
-
ERR 1: Illegal Function
56
-
Last Device Reporting ERR 1
57
-
ERR 2: Illegal Data Address
58
-
Last Device Reporting ERR 2
59
-
ERR 3: Illegal Data Value
60
-
Last Device Reporting ERR 3
61
-
ERR 4: Slave Device Failure
62
-
ERR 5: Acknowledge
63
-
ERR 6: Slave Device Busy
64
-
ERR 7: Negative Acknowledgement
65
-
ERR 8: Memory Parity Error
66
-
Non-Standard Response
67
-
Last Device Reporting ERR 4 to ERR 8 or Non-Standard Response
68 and 69 -
Reserved (always 0)
Modbus RTU Master Diagnostic Counters Block (Data Link Layer)
Word
Bit
Description
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