266 Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Appendix F MicroLogix 1400 Distributed Network Protocol
For the elements of the DNP3 Slave Application Layer diagnostic counter
CS0:55…CS0:69 and CS2:55…CS2:69, the counter values are available with the
structured display in RSLogix 500/RSLogix Micro software as below.
Diagnostics for Ethernet Channel (Channel 1)
This feature is supported only in MicroLogix 1400 Series B and Series C
controllers.
Diagnostic Counters and Errors in DNP3 Slave subsystem for the Ethernet
channel are logged in the Data File. The data file is configured in the parameter
Diagnostic File Number. This table shows the 80 words of the data file for the
troubleshooting.
Table 32 - Data File for Troubleshooting
Word Offset Description Category
0 Counter for Commands Received
TCP Server – Link Layer Diagnostics for DNP3 TCP Server.
1 Counter for Commands Received with Error
2 Counter for Replies Sent
3 Reserved
4 Reserved
5 Reserved
6 Error Count in sessions
7 Error Code in sessions*
8 Incoming Message Connections
9 Maximum Connections Allowed
10 Counter for Commands Transmitted
11 Reserved
12 Counter for Replies Received
13 Reserved
14 Reserved
15 Reserved
16 Reserved
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