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ETHERNET INTERFACE
DNP implementation
OBJECT
OBJECT
NO.
1
2
10
12
20
1–42
Table 16: DNP Implementation
VARIATION
DESCRIPTION
NO.
0
Binary Input (Variation 0
is used to request
default variation)
1
Binary Input
2
Binary Input with Status 1 (read) 22
0
Binary Input Change
(Variation 0 is used to
request default
variation)
1
Binary Input Change
without Time
2
Binary Input Change
with Time
3
Binary Input Change
with Relative Time
0
Binary Output Status
(Variation 0 is used to
request default
variation)
2
Binary Output Status
1
Control Relay Output
Block
0
Binary Counter
(Variation 0 is used to
request default
variation)
CHAPTER 1: COMMUNICATIONS GUIDE
REQUEST
FUNCTION
QUALIFIER CODES
CODES
(HEX)
(DEC)
1 (read) 22
00, 01 (start-stop)
(assign
06 (no range, or all)
class)
07, 08 (limited
quantity)
(index)
1 (read) 22
00, 01 (start-stop)
(assign
06 (no range, or all)
class)
07, 08 (limited
quantity) 17, 28
(index)
00, 01 (start-stop)
(assign
06 (no range, or all)
class)
07, 08 (limited
quantity) 17, 28
(index)
1 (read)
06 (no range, or all)
07, 08 (limited
quantity)
1 (read)
06 (no range, or all)
07, 08 (limited
quantity)
1 (read)
06 (no range, or all)
07, 08 (limited
quantity)
1 (read)
06 (no range, or all)
07, 08 (limited
quantity)
1 (read)
00, 01(start-stop)
06 (no range, or all)
07, 08 (limited
quantity) 17, 28
(index)
1 (read)
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited
quantity) 17, 28
(index)
3 (select)4
00, 01 (start-stop)
(operate) 5
07, 08 (limited
(direct op) 6
quantity) 17, 28
(dir. op,
(index)
noack)
1 (read) 7
00, 01 (start-stop)
(freeze) 8
06 (no range, or all)
(freeze
07, 08 (limited
noack) 9
quantity) 17, 28
(freeze clear)
(index)
10 (frz. cl.
noack) 22
(assign
class)
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE
RESPONSE
FUNCTION
QUALIFIER
CODES
CODES
(DEC)
(HEX)
---
---
17, 28
129
00, 01
(response)
(start-stop)
17, 28
(index) (see
Note 2)
129
00, 01
(response)
(start-stop)
17, 28
(index) (see
Note 2)
---
---
129
17, 28
(response)
(index)
130 (unsol.
resp.)
129
17, 28
(response)
(index)
130 (unsol.
resp.)
---
---
---
---
129
00, 01
(response)
(start-stop)
17, 28
(index) (see
Note 2)
129
echo of
(response)
request
---
---
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