Dnp 3.0 Remote Communication Protocol; Protocol Parameters; Dnp 3.0 Point List - ABB REU 610 Technical Reference Manual

1MRS755769
5.1.16.
5.1.16.1.
5.1.16.2.
Voltage Relay
Technical Reference Manual
Table 5.1.15.1.-18Real-time clock structure
Address
721
722
723
724
725
726
727

DNP 3.0 remote communication protocol

The DNP 3.0 protocol was developed by Harris Control based on the early versions
of the IEC 60870-5 standard telecontrol protocol specifications. Today, the DNP
protocol specifications are controlled by the DNP Users Group.
The DNP protocol supports the ISO OSI (Open System Interconnection) based
model, which only specifies physical, data link and application layers. This reduced
protocol stack is referred to as Enhanced Performance Architecture ( EPA). To
support advanced RTU functions and messages larger than the maximum frame
length as defined in the IEC 60870-1, the DNP 3.0 Data Link is to be used with a
transport pseudo-layer. As a minimum, the transport pseudo-layer implements
message assembly and disassembly services.

Protocol parameters

The DNP parameters can all be adjusted using Relay Setting Tool. For the DNP
parameters, refer to Table 5.1.17.-13.
Storing DNP 3.0 parameters
All DNP parameters are stored on the external DNP 3.0 module. After
parameterization with Relay Setting Tool, REU 610 must be switched to the rear
communication mode for at least 10 seconds in order for the DNP parameters to be
replicated and stored onto the DNP module. However, this is necessary only if the
DNP parameters have been altered.

DNP 3.0 point list

The DNP data points (binary, analogue and counters) of the relay, presented in
Table 5.1.16.2.-1...Table 5.1.16.2.-3, are all in use as default.
The default class settings of the DNP points within the different event object groups
are:
Description
Year
Month
Day
Hour
Minute
Second
Hundredth of a second
REU 610
Range
0...99
1...12
1...31
0...23
0...59
0...59
0...99
73