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ABB Distribution Protection Unit 1500R
The pinout for the DB9 port for option 8 is as follows:
Pin Signal
1
RS485 (+)
2
RS485 (–)
3
Direction (+) RTSA
4
Direction (–) RTSB
7
RS485 COMMON
8
+5VDC at 100ma
Communication Protocols
The Select Options Table shows the communication protocols and the respective hardware port assignments that are
currently available.
The "Standard" protocol referenced throughout this publication refers to an ABB DPU1500R specific 10 byte ASCII
oriented communication protocol. This protocol is standard for COM 1 and is selectable for other rear ports as per the
Select Options Table. The Windows External Communication Program (WinECP) is provided at no charge with the
relay. The protocol document is available on request.
Product specific protocol documents are available from the factory upon request.
DNP 3.0 Protocol
Modbus Protocol
RTU Emulation
Also available are external RTU Emulation devices that provide a pre-engineered interface between the DPU1500R
and a SCADA host. Contact the factory for additional information on the ORION unit.
Modbus
®
is a registered trademark of Modicon, Inc.
INCOM™ is a registered trademark of Cutler Hammer Corporation.
website:www.abb.com/papd
12-8
Ordering Information/Communications/Panel Mounting/Spare Parts
9/99
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