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Doc No: PH422REPi-UM-001
USER’S MANUAL
PH422REPi
RS-422 (4-Wired RS-485) Repeater & Amplifier
IPEX
(IP Electronix)
15 August 2013
Page 2
www.ipelectronix.com
IPEX (IP Electronix) PH422REPi
: User’s Manual
Page 2 of 8 Doc No. : PH422REPi-UM-001
15 August 2013
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IPEX (IP Electronix) PH422REPi
: User’s Manual
Contents
1 INTRODUCTION ....................................................................................................................................... 4
2 SPECIFICATIONS ...................................................................................................................................... 4
3 PACKAGE CHECKLIST ............................................................................................................................... 5
4 TOP PANEL .............................................................................................................................................. 5
5 POWER SUPPLY ....................................................................................................................................... 5
6 RS-422 CONNECTING METHODS .............................................................................................................. 6
7 GUARANTEE ............................................................................................................................................ 8
8 TECHNICAL SUPPORT............................................................................................................................... 8
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IPEX (IP Electronix) PH422REPi
: User’s Manual
1 Introduction
IPEX PH422REPi™ is a RS-422 Repeater and Amplifier. If it is needed to have RS-422 network with more than
1200m length or to have more than 32 nodes, using a PH422REPi™ helps you to increase the network length up
to 2400m and also to have up to 64 devices connected to it. PH422REPi™ is compatible with RS-422 standard
devices differential TX+, TX-, RX+ and RX- signals and is fully Plug & Play. It works with a wide range of +10V up
to +30V DC power supply with low (about 45mA) consumption. PH422REPi™ is designed for industrial usage
and is useful for Industrial Automation, Telecommunications, SCADA Systems, and DCS Systems …
Protection against Surge, ESD and EMI is considered in its design and also has 3kV isolation between RS-422
sides. PH422REPi™ is Full-Duplex converter and supports Point-to-Point and Multidrop RS-422 network
topologies.
2 Specifications
RS-422 Bidirectional Repeater and Amplifier
Fully Plug & Play
RS-422 Signal: TX+, TX-, RX+, RX- and GND
Baud Rate Type: Auto Switching Baud Rate
Serial Transmission Speed Up to 230.4 kbps
Maximum Communication Distance: 2400m (8000 feet) – 1200m for each side
Loading: Supported up to 64 Nodes – 32 Nodes for each side
Isolation Protection: 3kV Instantaneous, 500V DC continuous
Power (Green) LED Indicator
Transmit (Blue) and Receive (Yellow) LED Indicator
Power Supply Input Voltage: +10VDC to +30VDC
1 Year Guarantee and 5 Years Support
Operating Temperature: -10°C to +70°C (+14°F to +158°F)
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IPEX (IP Electronix) PH422REPi
: User’s Manual
3 Package Checklist
Before installing the PH422REPi, verify that the package contains the following items:
1) PH422REPi
2) Installation CD-ROM
3) #2 Phonix 7Pin Green terminals
NOTE: Notify your sales representative if any of the above items is missing or damaged.
4 Top Panel
Green LED: It is turned ON, when the power supply connects to +VS and GND correctly.
Yellow LED: It is blinking if there is a data stream from right to left side of the repeater.
Blue LED: It is blinking if there is a data stream from left to right side of the repeater.
5 Power Supply
Connect a DC voltage in range of +10V to +30V, between +VS and GND terminals. If the power supply connects
correctly, the Green LED should be ON.
NOTE: It is not required to connect GND signal from one side to GND signal of other side.
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IPEX (IP Electronix) PH422REPi
: User’s Manual
6 RS-422 Connecting methods
6.1 0BRS-422: Point to Point (Without Repeater)
6.1 0BRS-422: Point to Point (With a Repeater)
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IPEX (IP Electronix) PH422REPi
: User’s Manual
6.2 RS-422: Multi Drop Network (Without Repeater)
6.3 RS-422: Multi Drop Network (With a Repeater)
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IPEX (IP Electronix) PH422REPi
: User’s Manual
7 Guarantee
All products manufactured by IPEX are under warranty regarding defective materials for a period of one year
from the date of delivery to the original purchaser.
8 Technical Support
If you have any technical question or need any technical support, please contact us using this Email address:
support@ipelectronix.com
.
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