IPEX PH485Ux2i-Dual User Manual

Doc No: PH485Ux2i-Dual-UM-001

8 July 2015

USER’S MANUAL

PH485Ux2i-Dual

USB to #2 Port RS-485/RS-422 Bi-Directional Converter

IPEX

(IP Electronix)

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

Page 2 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

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

Page 3 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

1. Introduction

IPEX PH485Ux2i-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)

Page 4 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

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.

Page 5 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

4. Device Views

Top View

Front View

Page 6 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

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)

Page 7 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015

www.ipelectronix.com

IPEX (IP Electronix) PH485Ux2i-Dual: User’s Manual

Page 8 of 26 Doc No. : PH485Ux2i-Dual-UM-001
8 July 2015