Rockwell Automation Publication 1766-UM001I-EN-P - June 2015 333
MicroLogix 1400 Distributed Network Protocol (DNP3) Appendix F
If the data file is not configured in the parameter Diagnostic File Number of the
"Chan. 1 - DNP3" configuration, the "Channel 1 - Ext" dialog box will be shown
as below.
Diagnostics for Secure Authentication
This feature is supported only in MicroLogix 1400 Series B controllers.
Counters in DNP3 Slave Secure Authentication subsystem are logged in the Data
File. The data file is configured in the parameter Diagnostic File Number in
Secure Authentication. The following table shows the 150 words of the data file
for the troubleshooting.
The 50 words are used to log the counters for each channel. Word offset 0 to 49 is
for Channel 0, word offset 50 to 99 is for Channel 1 and word offset 100 to 149 is
for Channel 2.
Words 6 to 49, 56 to 99, and 106 to 149 are the event counter for Challenger
State Machine which is stated in the DNP3 Specification, Supplement to Volume
2, Secure Authentication, Version 2.00.
Word Offset Current State Description
CH0 CH1 CH2
0 50 100 Security Idle/Wait for Reply Authentication Error Counter
1 51 101 Security Idle/Wait for Reply Reserved
2 52 102 Security Idle/Wait for Reply Reserved
3 53 103 Security Idle/Wait for Reply Reserved
4 54 104 Security Idle/Wait for Reply Reserved
5 55 105 Security Idle/Wait for Reply Reserved
6 56 106 Security Idle Event Counter for Rx Unsolicited Non-Critical ASDU
7 57 107 Security Idle Event Counter for Rx Non-Critical ASDU
8 58 108 Security Idle Event Counter for Rx Critical ASDU
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