DNP OBJECT GROUP AND VARIATION REQUEST (Slave will parse) RESPONSE (Slave will respond with)
4 1 Double bit input change
event without time
130 (unsol. resp) 17, 28 (index)
4 2 Double bit input change
event with absolute
time
1 (read)
06 (no range, or all)
07, 08 (limited qty)
129 (response) 17, 28 (index)
4 2 Double bit input change
event with absolute
time
130 (unsol. resp) 17, 28 (index)
4
3
1)
Double bit input change
event with relative time
1 (read) 06 (no range, or all)
07, 08 (limited qty)
129 (response) 17, 28 (index)
4 3 Double bit input change
event with relative time
130 (unsol. resp) 17, 28 (index)
10 0 Binary output — any
variation
1 (read) 00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
10 1 Binary output —
packed format
1 (read) 00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index)
2)
10
2
1)
Continuous control —
output status with flags
1 (read) 00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index)
2)
12 0 Binary output command
(CROB) — any
variation
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 27, 28 (index)
12 1 Binary output command
(CROB) — control relay
output block
3 (select)
17, 27, 28 (index) 129 (response) echo of request
12 1 Binary output command
(CROB) — control relay
output block
4 (operate)
17, 27, 28 (index) 129 (response) echo of request
12 1 Binary output command
(CROB) — control relay
output block
5 (direct op)
17, 27, 28 (index) 129 (response) echo of request
12 1 Binary output command
(CROB) — control relay
output block
6 (direct.op. no
ack)
17, 27, 28 (index) 129 (response) echo of request
20 0 Counter — any
variation
1 (read) 00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 27, 28 (index)
20 1 32–bit binary counter
(with flag)
1 (read) 00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 27, 28 (index)
129 (response)
00,01 (start-stop)
17, 28 (index)
2)
Table continues on next page
1MRK 511 419-UUS A Section 3
DNP3 protocol implementation
650 series 2.2 ANSI 73
Point list manual