GE Grid Solutions
D25
User's Manual
GE Information
994-0081-3.00-21
165
Connecting DNP3 I/O Modules (Low Voltage)
For a Low Voltage (LV) DNP3 I/O module, connect the:
•
Interconnect cabling between each DNP3 I/O module, and
•
Power to the last DNP3 I/O module of the chain.
DNP3 I/O Module (LV) Interconnect Cabling
The DNP3 I/O module interconnect cabling is shown below:
First DNP I/O
Module
Second DNP I/O
Module
J1
To Field Equipment
To Field Equipment
J1
J2
J2
Daisy- chained
to other DNP I/O
Modules
Last DNP I/O
Module
To Field Equipment
J1
J2
Pin
1
4
5
6
7
Other
Function
GND
+DC1
-DC1
TX/RX2
TX/RX2
Not Used
To RTU Master
To Power Source
RTU Master
Cable
GE Part
Number
IP- Server
977- 0503
J1
J2
Cable: D25 (RTU Master)
GE Part Number: 977-0502
To D25 (RTU Master)
To Field Equipment
To Field Equipment
To Field Equipment
To Power Source
J1
J2
J1
J2
J1
J2
Cable: Power Source
GE Part Number: 997-0500
Standard Cables DB9
male to DB9 male
GE part number: 977-0089
After DNP3 I/O modules have been interconnected, you are now ready to connect power to the DNP3 I/O
modules. See the following subsection: DNP3 I/O module (LV) connection to the Power Source.
DNP3 I/O Module (LV) Connection to the Power Source
Connect the power supply to the last DNP3 I/O module in the chain.
The cable from J2 on the last DNP3 I/O module to the power source (GE part number 977-0500) provides
the connections shown in the following wiring diagram.
Содержание D25
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