CHAPTER 3: DNP COMMUNICATION
Object 30 (analog inputs)
Object 32 (analog input change events)
PLUS
D90
LINE DISTANCE PROTECTION SYSTEM – COMMUNICATIONS GUIDE
•
Function codes for responses, object 23, variations 1, 2, 5, and 6:
–
129 (response)
–
130 (unsolicited response)
•
Qualifier codes for responses, object 23, variations 1, 2, 5, and 6:
–
17, 28 (index)
Object 30, variation 0: analog inputs
Variation 0 is used to request the default variation. The following codes are used for
requests.
•
Function codes for requests, object 30, variation 0:
–
1 (read)
–
22 (assign class)
•
Qualifier codes for requests, object 30, variation 0:
–
00, 01 (start-stop)
–
06 (no range, or all)
–
07, 08 (limited quantity)
–
17, 28 (index)
There are no codes used for responses.
Object 30, variation 1: 32-bit analog inputs
Object 30, variation 2: 16-bit analog inputs
Object 30, variation 3: 32-bit analog inputs without flag
Object 30, variation 4: 16-bit analog inputs without flag
Object 30, variation 5: short floating point analog inputs
The following codes are used for requests.
•
Function codes for requests, object 30, variations 1, 2, 3, 4, and 5:
–
1 (read)
–
22 (assign class)
•
Qualifier codes for requests, object 30, variations 1, 2, 3, 4, and 5:
–
00, 01 (start-stop)
–
06 (no range, or all)
–
07, 08 (limited quantity)
–
17, 28 (index)
The following codes are used for responses.
•
Function codes for responses, object 30, variations 1, 2, 3, 4, and 5:
–
129 (response)
•
Qualifier codes for responses, object 30, variations 1, 2, 3, 4, and 5:
–
00, 01 (start-stop)
–
17, 28 (index)
Object 32, variation 0: analog input change events
Variation 0 is used to request the default variation. The following codes are used for
requests.
•
Function codes for requests, object 32, variation 0:
–
1 (read)
DNP DEVICE PROFILE
205
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