Date Code 20010518 Appendix I I-5
SEL-2020 Instruction Manual
OBJECT TABLE
Unsolicited DNP messages always format the data objects for the default variation. Default
variations are indicated in the table by an asterisk (*).
Table I.2: Object Table
OBJECT REQUEST
(supported)
RESPONSE
(may generate)
Obj
Var
*def
Description
Func
Codes
(dec)
Qual
Codes
(hex)
Func
Codes
(dec)
Qual
Codes
(hex)
1 0 Binary Input - All Variations 1 6
1 1 Binary Input 1 0,1,6,7,8 129 0,1,7,8
1 2* Binary Input with Status 1 0,1,6,7,8 129 0,1,7,8
2 0 Binary Input Change - All Variations 1 6,7,8
2 1* Binary Input Change without Time 1 6,7,8 129,130 17,28
2 2 Binary Input Change with Time 1 6,7,8 129 17,28
2 3 Binary Input Change with Relative Time 1 6,7,8 129 17,28
10 0 Binary Output - All Variations 1 6
10 1 Binary Output
10 2* Binary Output Status 1 0,1,6 129 0,1
12 0 Control Block - All Variations
12 1 Control Relay Output Block 3,4,5,6 17, 28 129
echo of
request
12 2 Pattern Control Block
12 3 Pattern Mask
20 0 Binary Counter - All Variations 1 6
20 1 32-Bit Binary Counter
20 2 16-Bit Binary Counter
20 3 32-Bit Delta Counter
20 4 16-Bit Delta Counter
20 5 32-Bit Binary Counter without Flag 1 0,1,6,7,8 129 0,1,7,8
20 6* 16-Bit Binary Counter without Flag 1 0,1,6,7,8 129 0,1,7,8
20 7 32-Bit Delta Counter without Flag
20 8 16-Bit Delta Counter without Flag
21 0 Frozen Counter - All Variations
21 1 32-Bit Frozen Counter
21 2 16-Bit Frozen Counter
21 3 32-Bit Frozen Delta Counter
21 4 16-Bit Frozen Delta Counter
21 5 32-Bit Frozen Counter with Time of Freeze
21 6 16-Bit Frozen Counter with Time of Freeze