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Section 4
DNP3 parameters
4.2
Table 10:
DNP3 settings
Parameter
DNP physical layer
Unit address
Master address
Serial port
Need time interval
Time format
CROB select timeout
Data link confirm
Data link confirm TO
Data link retries
Data link Rx to Tx delay
Data link inter char delay
App layer confirm
App confirm TO
App layer fragment
UR mode
UR retries
UR TO
Table continues on next page
22
layer sequence of the operating command to be the selecting command sequence +
1 modulo 16. When enabled, the IED ignores the sequence number of the operating
command. This situation might occur when the master sends additional requests
between the selecting and operating commands.
Parameter list
The DNP3 parameters can be accessed with PCM600 or via the LHMI path
Configuration/Communication/DNP3.0.
Power must be cycled to the unit after making changes to the DNP3
parameters. The LHMI or WHMI do not notify that this action must
be taken.
Values (Range)
Unit
1=Serial
2=TCP/IP
1...65519
1...65519
0=Not in use
1=COM 1
2=COM 2
0...65535
min
0=UTC
1=Local
1...65535
sec
0=Never
1=Only Multiframe
2=Always
100...65535
ms
0...65535
0...255
ms
0...20
char
1=Disable
2=Enable
100...65535
ms
256...2048
bytes
1=Disable
2=Enable
0...65535
0...65535
ms
Step
Default
2=TCP/IP
1
1
1
3
0=Not in use
1
30
1=Local
1
10
0=Never
1
3000
1
3
1
0
1
4
1=Disable
1
5000
1
2048
1=Disable
1
3
1
5000
1MRS757820 B
Description
DNP physical layer
DNP unit address
DNP master and UR address
COM port for serial interface, when
physical layer is serial.
Period to set IIN need time bit
UTC or local. Coordinate with master.
Control Relay Output Block select timeout
Data link confirm mode
Data link confirm timeout
Data link retries count
Turnaround transmission delay
Inter character delay for incoming
messages
Application layer confirm mode
Application layer confirm and UR timeout
Application layer fragment size
Unsolicited responses mode
Unsolicited retries before switching to
UR offline mode
Unsolicited response timeout
Recloser Protection and Control RER615
Communication Protocol Manual
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