270 Rockwell Automation Publication 1766-UM001O-EN-P - September 2021
Appendix F MicroLogix 1400 Distributed Network Protocol
Diagnostics for Secure Authentication
This feature is supported only in MicroLogix 1400 Series B and Series C
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…49
is for Channel 0, word offset 50…99 is for Channel 1 and word offset 100…149 is
for Channel 2.
Words 6…49, 56…99, and 106…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.
Table 34 - Secure Authentication Diagnostics
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
9 59 109 Security Idle Event Counter for Rx Critical ASDU
10 60 110 Security Idle Event Counter for Rx Valid Reply
11 61 111 Security Idle Event Counter for Rx Invalid Reply
12 62 112 Security Idle Event Counter for Reply Timeout
13 63 113 Security Idle Event Counter for Max Invalid Replies Or Comm Failure Detected
14 64 114 Security Idle Event Counter for Max Invalid Replies Or Comm Failure Detected
15 65 115 Security Idle Event Counter for Rx Error Message
16 66 116 Security Idle Event Counter for Key Change Timeout
17 67 117 Security Idle Event Counter for Expected Key Change Timeout
18 68 118 Security Idle Event Counter for Expected Key Change Timeout
19 69 119 Security Idle Event Counter for Rx Key Status Request
20 70 120 Security Idle Event Counter for Rx Valid Aggressive Mode Request
21 71 121 Security Idle Event Counter for Rx Valid Aggressive Mode Request
22 72 122 Security Idle Event Counter for Rx Invalid Aggressive Mode Request
23 73 123 Security Idle Event Counter for Rx Valid Key Change
24 74 124 Security Idle Event Counter for Rx Invalid Key Change
25 75 125 Security Idle Event Counter for Rx Challenge
26 76 126 Security Idle Reserved
27 77 127 Security Idle Counter for Ignored events
28 78 128 Wait for Reply Event Counter for Rx Unsolicited Non-Critical ASDU
29 79 129 Wait for Reply Event Counter for Rx Non-Critical ASDU
30 80 130 Wait for Reply Event Counter for Rx Critical ASDU
31 81 131 Wait for Reply Event Counter for Rx Critical ASDU
32 82 132 Wait for Reply Event Counter for Rx Valid Reply
33 83 133 Wait for Reply Event Counter for Rx Invalid Reply
34 84 134 Wait for Reply Event Counter for Reply Timeout
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