
CHAPTER 4: DNP PROTOCOL
DNP IMPLEMENTATION
8 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
4-11
5
32-Bit Binary
Counter without Flag
1 (read)
7 (freeze)
8 (freeze noack)
9 (freeze clear)
10 (frz. cl. noack)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index) (see
Note 2)
6
16-Bit Binary
Counter without Flag
1 (read)
7 (freeze)
8 (freeze noack)
9 (freeze clear)
10 (frz. cl. noack)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index) (see
Note 2)
21
0
Frozen
Counter(Variation 0
is used to request
defaultvariation)
1 (read)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
---
---
1
32-Bit Frozen
Counter
1 (read)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index) (see
Note 2)
2
16-Bit Frozen
Counter
1 (read)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index) (see
Note 2)
9
32-Bit Frozen
Counter without Flag
1 (read)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index) (see
Note 2)
10
16-Bit Frozen
Counter without Flag
1 (read)
22 (assign class)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited quantity)
17, 28 (index)
129 (response)
00, 01 (start-stop)
17, 28 (index) (see
Note 2)
22
0
Counter Change
Event (Variation 0 is
used to request
default variation)
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
---
---
1
32-Bit Counter
Change Event
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
2
16-Bit Counter
Change Event
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
5
32-Bit Counter
Change Event with
Time
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
6
16-Bit Counter
Change Event with
Time
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
23
0
Frozen Counter
Event (Variation 0 is
used to request
default variation)
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
---
---
1
32-Bit Frozen
Counter Event
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
2
16-Bit Frozen
Counter Event
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
5
32-Bit Frozen
Counter Event with
Time
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
6
16-Bit Frozen
Counter Event with
Time
1 (read)
06 (no range, or all)
07, 08 (limited quantity)
129 (response)
130 (unsol. resp.)
17, 28 (index)
OBJECT
REQUEST
RESPONSE
OBJECT
NO.
VARIATION
NO.
DESCRIPTION
FUNCTION
CODES (DEC)
QUALIFIER CODES (HEX) FUNCTION CODES
(DEC)
QUALIFIER CODES
(HEX)