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DNP V3.00
5.3 Implementation Table
The following table identifies the variations, function codes, and qualifiers supported by the
AT Series Communications Module PC Board (EN5004-00) in both request messages and in
response messages.
For static (non-change-event) objects, requests sent with qualifiers 00, 01, 06, 07, or 08, will
be responded with qualifiers 00 or 01. Static object 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 except in the case of object 70 change events which respond with qualifier
1B or 5B.
text shaded as
text shaded as
Subset Level 3
(dark orange)
beyond Subset Level 3
(magenta)
indicates Subset Level 3 functionality (beyond Subset Level 2)
indicates functionality beyond Subset Level 3
OBJECT
Object
Number
1
1
Variation
Description
Number
0
Binary Input (Variation 0 is used to
request default variation)
1
Binary Input
(default –
see note 1)
1
2
Binary Input with Status
2
0
2
1
Binary Input Change (Variation 0 is
used to request default variation)
Binary Input Change without Time
2
Binary Input Change with Time
2
(default –
see note 1)
10
10
0
Binary Output Status (Variation 0 is
used to request default variation)
1
(read)
2
Binary Output Status
1
(read)
(default –
see note 1)
20
REQUEST
(Library will parse)
Function Qualifier Codes
Codes (dec)
(hex)
1
(read) 00, 01 (start-stop)
22(assign class) 06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
1
(read) 00, 01 (start-stop)
22(assign class) 06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
1
(read) 00, 01 (start-stop)
22(assign class) 06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
1
(read) 06 (no range, or all)
07, 08 (limited qty)
1
(read) 06 (no range, or all)
07, 08 (limited qty)
1
(read) 06 (no range, or all)
07, 08 (limited qty)
12
1
Control Relay Output Block
30
0
Analog Input (Variation 0 is used to
request default variation)
30
1
32-Bit Analog Input
RESPONSE
(Library will respond with)
Function Qualifier Codes
Codes (dec)
(hex)
129
(response)
00, 01
17, 28
(start-stop)
(index –
see note 2)
129
(response)
00, 01
17, 28
(start-stop)
129
130
129
130
00, 01 (start-stop)
06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
00, 01 (start-stop) 129
06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
00, 01 (start-stop) 129
07, 08 (limited qty)
17, 28
(index)
3
(select)
4
(operate)
5
(direct op)
6 (dir. op, noack)
1
(read) 00, 01 (start-stop)
22(assign class) 06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
1
(read) 00, 01 (start-stop) 129
22(assign class) 06 (no range, or all)
07, 08 (limited qty)
17, 28
(index)
(index –
see note 2)
(response)
(unsol. resp)
17, 28
(index)
(response)
17, 28
(index)
00, 01
17, 28
(start-stop)
(unsol. resp)
(response)
(response)
(response)
(index –
see note 2)
echo of request
00, 01
17, 28
(start-stop)
(index –
see note 2)