DEVICE PROFILE DOCUMENT
Maximum data link frame size (octets)
Transmitted: 292
Received: 292
Maximum data link re-tries
None
Fixed at 3
Configurable
Requires data link layer confirmation
Never
Always
Sometimes
Configurable
Requires application layer confirmation
Never
Always
4
When reporting Event Data
When sending multi-fragment responses
Sometimes
Configurable
Timeouts while waiting for
Data Link Confirm:
Complete Appl. Fragment:
Application Confirm:
Complete Appl. Response:
Others
Transmission Delay:
Need Time Interval:
Select/Operate Arm Timeout:
Binary input change scanning period:
Analog input change scanning period:
Counter change scanning period:
Frozen counter event scanning period:
Unsolicited response notification delay:
Unsolicited response retry delay:
4-2
Maximum application fragment size (octets)
Transmitted: configurable up to 2048
Received: 2048
Maximum application layer re-tries
None
Configurable
None
Fixed at ____
None
Fixed at ____
None
Fixed at 10 s
None
Fixed at ____
No intentional delay
Configurable (default = 24 hrs.)
10 s
8 times per power system cycle
500 ms
500 ms
500 ms
100 ms
configurable 0 to 60 sec.
CHAPTER 4: DNP COMMUNICATION
Variable
Configurable
Variable
Configurable
Variable
Configurable
Variable
Configurable
UR FAMILY – COMMUNICATIONS GUIDE