Section 3
DNP3 protocol implementation
Table 6:
Implementation table
OBJECT
Object
Variation
number
number
1
0
1
1 (default)
1)
1
2
2
0
2
1
2
2
2
1)
3
10
0
10
1
Table continues on next page
24
responded with qualifiers 00 or 01. Requests sent with qualifiers 17 or 28 will be
responded with qualifiers 17 or 28. For change-event objects, qualifiers 17 or 28 are
always responded.
REQUEST (Library will parse)
Description
Function codes (dec)
Binary
1 (read)
input – any
22 (assign class)
variation
Binary input
1 (read)
Binary
1 (read)
input with
status
Binary
1 (read)
input
change –
any
variation
Binary
1 (read)
input
change
without
time
Binary
1 (read)
input
change
with time
Binary
1 (read)
input
change
with
relative
time
Binary
1 (read)
output
status –
any
variation
Binary
1 (read)
output
RESPONSE (Library will respond with)
Function codes
Qualifier codes (hex)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
00, 01 (start-stop)
129 (response)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
00, 01 (start-stop)
129 (response)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
06 (no range, or all)
07, 08 (limited qty)
06 (no range, or all)
129 (response)
07, 08 (limited qty)
130 (unsol. resp)
06 (no range, or all)
129 (response)
07, 08 (limited qty)
130 (unsol. resp)
06 (no range, or all)
129 (response)
07, 08 (limited qty)
130 (unsol. resp)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
00, 01 (start-stop)
129 (response)
06 (no range, or all)
07, 08 (limited qty)
17, 28 (index)
1MAC254287-MB A
Qualifier codes
(dec)
(hex)
00, 01 (start-stop)
2)
17, 28 (index)
00, 01 (start-stop)
2)
17, 28 (index)
17, 28 (index)
17, 28 (index)
17, 28 (index)
00, 01 (start-stop)
2)
17, 28 (index)
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