Publication 1766-RM001A-EN-P - October 2008
Function Files
71
Modbus RTU Slave Diagnostic Counters Block (Data Link Layer)
Word
Bit
Description
6
-
Diagnostic Counters Category Identifier Code (always 2)
7
-
Length (always 30)
8
-
Format Code (always 4)
9
0
CTS
1
RTS
2
Reserved
3
Reserved
4…15
Reserved
10
-
Total Message Packets Sent
11
-
Total Message Packets Received for This Slave
12
-
Total Message Packets Received
13
-
Link Layer Error Count
14
-
Link Layer Error Code
15…22
-
Reserved
Modbus RTU Slave Diagnostic Counters Block (Presentation Layer)
Word
Bit
Description
43
-
Diagnostic Counters Category Identifier Code (always 10)
44
-
Length (always 14)
45
-
Format Code (always 0)
46
-
Pre-Send Time Delay
47
0…7
Node Address
8…15
Reserved
48
-
Inter-Character Timeout
49
-
RTS Send Delay
50
-
RTS Off Delay
51
0…7
Baud Rate
8 and 9
Parity
10…15
Reserved
52
-
Diagnostic Counters Category Identifier Code (always 6)
53
-
Length (always 32)
54
-
Format Code (always 0)
55
-
Presentation Layer Error Code
56
-
Presentation Layer Error Count
57
-
Execution Function Error Code
58
-
Last Transmitted Exception Code
59
-
Data File Number of Error Request
60
-
Element Number of Error Request
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