Rockwell Automation Publication 2080-UM002M-EN-E - April 2022 131
Chapter 6 Micro870 Controller Distributed Network Protocol
60 4 Class Objects – Class 3 data
1 (read)
06 (no range, or all)
07, 08 (limited qty)
20 (enbl. unsol.)
21 (dab. unsol.)
06 (no range, or all)
80 1 Internal Indications – Packed format
1 (read) 00, 01 (start-stop) 129 (response) 00, 01 (start-stop)
2 (write)
00 (start-stop)
index=7
85 0 Data-Set Prototype
1 (read) 06 (no range, or all)
85 1 Data-Set Prototype
1 (read)
00, 01 (start-stop)
06 (no range, or all)
17, 28 (index)
129 (response) 5B (free format)
86 1 Data-Set Descriptor – Contents
1 (read)
00, 01 (start-stop)
06 (no range, or all)
17, 28 (index)
129 (response) 5B (free format)
86 2 Data-Set Descriptor – Characteristics 1 (read)
00, 01 (start-stop)
06 (no range, or all)
17, 28 (index)
129 (response) 5B (free format)
87 0 Data-Set – Present Value
1 (read)
00, 01 (start-stop)
06 (no range, or all)
17, 28 (index)
87 1 Data-Set – Present Value
1 (read)
00, 01 (start-stop)
06 (no range, or all)
17, 28 (index)
129 (response) 5B (free format)
88 0 Data-Set Event 1 (read)
06 (no range, or all)
07, 08 (limited qty)
88 1 Data-Set Event – Snapshot
1 (read)
06 (no range, or all)
07, 08 (limited qty)
129 (response)
130 (unsol. resp)
5B (free format)
90 1 Application – Identifier
16 (init. appl.)
17 (start appl.)
18 (stop appl.)
06 (no range, or all)
5B (free format)
91 1 Status of Requested Operation 129 (response)
07 (limited qty)
(qty = 1)
120 1 Authentication – Challenge
32 (Auth Request) 5B (free format) 131 (Auth. resp) 5B (free format)
120 2 Authentication – Reply
32 (Auth Request) 5B (free format) 131 (Auth. resp) 5B (free format)
120 3
Authentication – Aggressive Mode
Request
Any requests 07 (limited qty) 129 (response) 07 (limited qty)
120 3
Authentication – Aggressive Mode
Request
130 (unsol. resp) 07 (limited qty)
120 4
Authentication – Session Key Status
Request
32 (Auth Request) 07 (limited qty)
120 5 Authentication – Session Key Status
131 (Auth. resp) 5B (free format)
120 6 Authentication – Session Key Change
32 (Auth Request) 5B (free format)
120 7 Authentication – Error
33 (Auth Request, no ack) 5B (free format) 131 (Auth. resp) 5B (free format)
120 7 Authentication – Error 1 (read) 06 (no range, or all) 129 (response) 5B (free format)
120 9 Authentication – HMAC
Any requests 5B (free format) 129 (response) 5B (free format)
120 9 Authentication – HMAC
130 (unsol. resp) 5B (free format)
No Object (function code only) 13 (cold restart)
No Object (function code only)
14 (warm restart)
No Object (function code only) 23 (delay meas.)
No Object (function code only) 24 (record current time)
Table 12 - Implementation Table for Micro870 controllers (Continued)
DNP Object Group & Variation
Request
DNP3 Master may issue
Controller must parse
Response
DNP3 Master must parse
Controller may issue
Group Num Var Num Description Function Codes (dec) Qualifier Codes (hex) Function Codes (dec) Qualifier Codes (hex)
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