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4-4 UR SERIES – COMMUNICATIONS GUIDE
DEVICE PROFILE DOCUMENT CHAPTER 4: DNP COMMUNICATION
4
4.1.1 Implementation table
The following table identifies the variations, function codes, and qualifiers supported by the UR in both request messages
and response messages. For static (non-change-event) objects, requests sent with qualifiers 00, 01, 06, 07, or 08, are
responded to with qualifiers 00 or 01. Static object requests sent with qualifiers 17 or 28 are responded to with qualifiers
17 or 28. For change-event objects, qualifiers 17 or 28 are always responded.
Table 4-2: DNP implementation table
Object Request Response
Object
no.
Variation
no.
Description Function codes
(dec)
Qualifier codes
(hex)
Function
codes (dec)
Qualifier codes
(hex)
1 0 Binary Input (Variation 0 is used to
request default variation)
1
(read)
22
(assign class)
00, 01
(start-stop)
06
(no range, or all)
07, 08
(limited quantity)
17, 28
(index)
1 Binary Input
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 Binary Input with Status
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 0 Binary Input Change (Variation 0 is used
to request default variation)
1
(read)
06
(no range, or all)
07, 08
(limited quantity)
1 Binary Input Change without Time
1
(read)
06
(no range, or all)
07, 08
(limited quantity)
129
(response)
130
(unsol. resp.)
17, 28
(index)
2 Binary Input Change with Time
1
(read)
06
(no range, or all)
07, 08
(limited quantity)
129
(response
130
(unsol. resp.)
17, 28
(index)
3 Binary Input Change with Relative Time
1
(read)
06
(no range, or all)
07, 08
(limited quantity)
10 0 Binary Output Status (Variation 0 is
used to request default variation)
1
(read)
00, 01
(start-stop)
06
(no range, or all)
07, 08
(limited quantity)
17, 28
(index)
2 Binary Output Status
1
(read)
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)
12 1 Control Relay Output Block
3
(select)
4
(operate)
5
(direct op)
6 (
dir. op, noack)
00, 01
(start-stop)
07, 08
(limited quantity)
17, 28
(index)
129
(response)
echo of request
20 0 Binary Counter
(Variation 0 is used to request default
variation)
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)
1 32-Bit Binary Counter
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)
Note 1: A default variation refers to the variation responded when variation 0 is requested and/or in class 0, 1, 2, or 3 scans. The default
variations for object types 1, 2, 20, 21, 22, 23, 30, and 32 are selected via relay settings. See the Communications section in Chapter
5 of the Instruction Manual for details. This optimizes the class 0 poll data size.
Note 2: For static (non-change-event) objects, qualifiers 17 or 28 are only responded when a request is sent with qualifiers 17 or 28,
respectively. Otherwise, static object requests sent with qualifiers 00, 01, 06, 07, or 08, will be responded with qualifiers 00 or 01 (for
change-event objects, qualifiers 17 or 28 are always responded.)
Note 3: Cold restarts are implemented the same as warm restarts, meaning that the UR is not restarted, but the DNP process is restarted.