IPEX PH485Ux2i-Dual User manual

Doc No: PH485Ux2i-Dual-UM-001
USER’S MANUAL
IPEX
(IP Electronix)
8 July 2015
PH485Ux2i-Dual
USB to #2 Port RS-485/RS-422 Bi-Directional Converter

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Contents
1. INTRODUCTION ....................................................................................................................................4
2. SPECIFICATIONS ...................................................................................................................................4
3. PACKAGE CHECKLIST.............................................................................................................................5
4. DEVICE VIEWS ......................................................................................................................................6
5. INSTALLATION ON WINDOWS XP..........................................................................................................7
6. INSTALLATION IN WINDOWS 7 ...........................................................................................................14
7. CHANGING COM PORT NUMBER.........................................................................................................20
8. HOW TO FIND DEVICE PORTS COM NUMBER ......................................................................................23
9. RS-485 CONNECTING METHODS..........................................................................................................24
10. RS-422 CONNECTING METHODS .....................................................................................................25
11. GUARANTEE ................................................................................................................................... 26
12. TECHNICAL SUPPORT......................................................................................................................26

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1. Introduction
IPEXPH485Ux2i-Dual™is a USB to RS-485 and RS-422 Converter that adds a two Windows Serial COM Ports via
its USB connection and is compatible with RS-485 standard devices differential (Data+ & Data-); and RS-422
standard devices differential (TX+,TX- & RX+,RX-) signals. PH485Ux2i-Dual™ is fully Plug & Play and no external
power supply is required as PH485Ux2i-Dual™ takes its power from the USB Bus. It 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 USB and
RS-485/422 sides. Since RS-485 is a Half-Duplex standard, switching between Transmit and Receive is doing
automatically and no further signal (such as RTS) is required. PH485Ux2i-Dual™ supports Point-to-Point and
Point-to-Multi Point Party Line network topologies.
PH485Ux2i-Dual™ comes complete with drivers for Microsoft Windows XP/CE/2003/2008/7/8. Drivers are also
available for Linux, Mac OS and Android.
2. Specifications
USB to RS-485 and RS-422 Bidirectional Converter
Hi-speed USB 2.0 supported (up to 480 Mbps)
Add two COM Port to your PC
Fully Plug & Play
RS-485 Signal: Data+, Data-, GND
RS-422 Signal: TX+, TX-, RX+, RX-, GND
Maximum Communication Distance: 1200m (4000 feet)
Loading: RS-485 and RS-422 Side Support up to 32 Nodes
Bus Powered (No External Power Supply Required)
Serial Transmission Speed Up to 230.4 kbps
Driver Supported: Microsoft Windows XP/CE/2003/2008/7/8, Linux, Mac OS and Android (32 & 64 Bits)
Operating Systems
Isolation Protection: 3kV Instantaneous, 500V DC continuous
Power (Green) LED Indicator
Transmit (Blue) and Receive (Yellow) LED Indicator
1 Year Guarantee and 5 Years Support
Operating Temperature: -40°C to +85°C (-40°F to +185°F)

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3. Package Checklist
Before installing the PH485Ux2i-Dual, verify that the package contains the following items:
1) PH485Ux2i-Dual 2) USB Cable
3) Guarantee Card 4) #2 7Pin Screwed Terminal
5) Installation CD-ROM
NOTE: Notify your sales representative if any of the above items is missing or damaged.

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4. Device Views
Top View
Front View

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5. Installation on Windows XP
After you plug PH485Ux2i-Dual to USB port, you can see a new device in the Device Manager window as below:
(To run Device Manager, right click on My Computer, select Properties and then select Hardware tab, finally
click on Device Manager button like following picture or simply use "WIN-KEY + R" and then type DEVMGMT and
press Enter)

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However, installation progress will be start automatically, and following window will be seen,
Select option "No, not this time" and then click "Next",

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Select "Install from a list or specific location (Advanced)" and click "Next",
Select "Include this location in the search:" and click on "Browse",