Object 1 Binary Inputs; Object 10 Binary Outputs; Figure 186: Control Input Behaviour - GE MiCOM P40 Agile Technical Manual

P14D
With DNP3 Over Ethernet, a maximum of 10 Clients can be configured. They are configured using the DNP3
Configurator
The IED address and baud rate can be selected using the front panel menu or by a suitable application such as
MiCOM Agile.
When using a serial interface, the data format is: 1 start bit, 8 data bits, 1 stop bit and optional configurable parity
bit.
6.3.2

OBJECT 1 BINARY INPUTS

Object 1, binary inputs, contains information describing the state of signals in the IED, which mostly form part of
the digital data bus (DDB). In general these include the state of the output contacts and opto-inputs, alarm signals,
and protection start and trip signals. The 'DDB number' column in the device profile document provides the DDB
numbers for the DNP 3.0 point data. These can be used to cross-reference to the DDB definition list. See the
relevant Menu Database document. The binary input points can also be read as change events using Object 2 and
Object 60 for class 1-3 event data.
6.3.3

OBJECT 10 BINARY OUTPUTS

Object 10, binary outputs, contains commands that can be operated using DNP 3.0. Therefore the points accept
commands of type pulse on (null, trip, close) and latch on/off as detailed in the device profile in the relevant Menu
Database document, and execute the command once for either command. The other fields are ignored (queue,
clear, trip/close, in time and off time).
There is an additional image of the Control Inputs. Described as Alias Control Inputs, they reflect the state of the
Control Input, but with a dynamic nature.
If the Control Input DDB signal is already SET and a new DNP SET command is sent to the Control Input, the
●
Control Input DDB signal goes momentarily to RESET and then back to SET.
If the Control Input DDB signal is already RESET and a new DNP RESET command is sent to the Control
●
Input, the Control Input DDB signal goes momentarily to SET and then back to RESET.
Control Input
(Latched)
Aliased Control
Input
(Latched)
Control Input
(Pulsed )
Aliased Control
Input
(Pulsed )
V01002

Figure 186: Control input behaviour

Many of the IED's functions are configurable so some of the Object 10 commands described in the following
sections may not be available. A read from Object 10 reports the point as off-line and an operate command to
Object 12 generates an error response.
P14D-TM-EN-8
DNP Latch DNP Latch
ON ON
The pulse width is equal to the duration of one protection iteration
Chapter 17 - Communications
DNP Latch DNP Latch
OFF OFF
363