DNP 3.0
Device Pr
ofile Document
Maximum Data Link Retries: Fixed at 2
Maximum Application Layer Retries: None
Requires Data Link Layer Confirmation: Configurable to Never or Always
Requires Application Layer Confirmation: When reporting event data (Slave devices only)
When sending multi-fragment responses (Slave devices only)
Timeouts while waiting for:
Data Link Confirm: Configurable
Complete Application Fragment: None
Application Confirm: Configurable
Complete Application Response: None
Others:
Data Link Confirm Timeout: Configurable from 0 (Disabled) to 120s, default 10s.
Application Confirm Timeout: Configurable from 1 to 120s, default 2s.
Select/Operate Arm Timeout: Configurable from 1 to 10s, default 10s.
Need Time Interval (Set IIN1-4): Configurable from 1 to 30, default 10min.
Application File Timeout 60 s
Analog Change Event Scan Period: Fixed at 0.5s
Counter Change Event Scan Period Fixed at 0.5s
Frozen Counter Change Event Scan Period Fixed at 1s
Maximum Delay Measurement Error: 2.5 ms
Time Base Drift Over a 10-minute Interval: 7 ms
Sends/Executes Control Operations:
Write Binary Outputs: Never
Select/Operate: Always
Direct Operate: Always
Direct Operate - No Ack: Always
Count > 1 Never
Pulse On Always
Pulse Off Sometimes
Latch On Always
Latch Off Always
Queue Never
Clear Queue Never
Note: Paired Control points will accept Pulse On/Trip and Pulse On/Close, but only single point will accept the Pulse Off control command.
Reports Binary Input Change Events when no specific variation
r
equested:
Configurable to send one or the other
Reports time-tagged Binary Input Change Events when no specific
variation requested:
Binary input change with time
Sends Unsolicited Responses: Never
Sends Static Data in Unsolicited Responses: Never
No other options ar
e permitted
Default Counter Object/Variation: Configurable, Point-by-point list attached
Default object: 20
Default variation: 1
P24xM Chapter 16 - Communications
P24xM-TM-EN-2.1 329
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