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DNP Protocol
489
Communications Guide
http://www.GEindustrial.com/multilin
47
GE Multilin
Implementation Table The table below gives a list of all objects recognized and returned by the relay.
Additional information is provided on the following pages including a list of the
default variations returned for each object and lists of defined point numbers for
each object.
Implementation Table Notes:
1. For this object, the quantity specified in the request must be exactly 1 as there
is only one instance of this object defined in the relay.
2. All static data known to the relay is returned in response to a request for Class
0. This includes all objects of type 1 (Binary Input), type 10 (Binary Output),
type 20 (Binary Counter), type 21 (Frozen Counter) and type 30 (Analog Input).
3. The point tables for Binary Input and Analog Input objects contain a field that
defines to which event class the corresponding static data point has been
assigned.
4. For this object, the qualifier code must specify an index of 7 only.
5. Delay Measurement (function code 23) is supported since the relay allows for
writing the time via object 50 and it also periodically sets the “Time Synchroni-
zation Required” Internal Indication (IIN). The IIN is set at power-up and will be
set again 24 hours after it was last cleared. The IIN is cleared when time is writ-
ten as object 50 data or if IRIG-B is enabled and relay time is updated as a
result of a successful decoding of this signal.
Executes Control Operations:
Write Binary Outputs Never Always Sometimes Configurable
Select/Operate Never Always Sometimes Configurable
Direct Operate Never Always Sometimes Configurable
Direct Operate: No Ack Never Always Sometimes Configurable
Count > 1 Never Always Sometimes Configurable
Pulse On Never Always Sometimes Configurable
Pulse Off Never Always Sometimes Configurable
Latch On Never Always Sometimes Configurable
Latch Off Never Always Sometimes Configurable
See Binary / Control Relay Output Block (Objects 10/12) on page 51 for an
explanation of the above.
Queue Never Always Sometimes Configurable
Clear Queue Never Always Sometimes Configurable
Reports Binary Input Change Events when
no specific variations requested:
Never
Only time-tagged
Only non-time-tagged
Configurable to send both, one or
the other
Reports time-tagged Binary Input Change
Events when no specific variation
requested:
Never
Binary Input Change With Time
Binary Input Change With Relative
Time
Configurable
Sends Unsolicited Responses:
Never
Configurable
Only certain objects
Sometimes
ENABLE/DISABLE UNSOLICITED
Function codes supported
Sends Static Data in Unsolicited
Responses:
Never
When Device Restarts
When Status Flags Change
Default Counter Object/Variation:
No Counters Reported
Configurable
Default Object / Default Variation
Point-by-point list attached
Counters Roll Over at:
No Counters Reported
Configurable
16 Bits
32 Bits
Other Value
Point-by-point list attached
Sends Multi-Fragment Responses: Yes No
DNP 3.0: DEVICE PROFILE DOCUMENT (Continued)
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