IPEX PH485Ux1 User manual

Doc No: PH485Ux1-UM-001
IPEX
(IP Electronix)
13 January 2022
USER’S MANUAL
PH485Ux1
RS-485/RS-422 ISOLATED USB ADAPTER

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IPEX (IP Electronix) PH485Ux1: User’s Manual
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CONTENTS
1. INTRODUCTION ........................................................................ 4
2. SPECIFICATIONS ....................................................................... 5
3. PACKAGE CHECKLIST................................................................. 6
4. TOP VIEW................................................................................. 7
5. BOTTOM VIEW ......................................................................... 7
6. FRONT VIEW............................................................................. 7
7. BACK VIEW............................................................................... 7
8. INSTALLATION ON WINDOWS................................................... 8
9. MANUAL INSTALLATION ON WINDOWS.................................. 15
10. CHANGING COM PORT NUMBER .......................................... 21
11. IDENTIFYING DEVICE PORTS COM NUMBER.......................... 24
12. RS-485/RS422 SERIAL PORT PIN CONFIGURATION ................ 24
13. RS-485 CONNECTING METHODS ........................................... 25
14. RS-422 CONNECTING METHODS ........................................... 26
15. GUARANTEE......................................................................... 27
16. TECHNICAL SUPPORT ........................................................... 27

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1. INTRODUCTION
IPEX PH485Ux1is a USB Adapter that provides a Serial COM Port 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. PH485Ux1is fully Plug & Play a and enables your laptop or
workstation with the ability to communicate between a USB port and a RS-485/422 serial peripheral
with baud-rate from 300bps to 230400bps.
PH485Ux1supports Point-to-Point and Point-to-Multi Point Party Line network topologies. 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.
Any external power supply is not required, as PH485Ux1 takes its power from the USB Bus.
Protection against Surge, ESD and EMI is considered in its design and also has 3kV insulation between
USB and RS-485/422 sides.
PH485Ux1is designed for industrial usage and is useful for Industrial Automation,
Telecommunications, SCADA Systems and DCS Systems …
PH485Ux1comes complete with drivers for Microsoft Windows. Drivers are also available for Linux,
Mac OS and Android.

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2. SPECIFICATIONS
USB to RS-485 and RS-422 Bidirectional Converter;
Hi-Speed USB 2.0 supported (up to 480 Mbps);
Number of Ports: #1 RS-485/RS422 Serial Port, #1 USB Port;
Adds #1 COM Port to the 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 up to 32 Nodes are supported;
Bus-Powered (No External Power Supply Required);
Serial Transmission Speed Up to 230.4 kbps;
Insulation Protection:3kV Instantaneous, 500V DC continuous;
Serial Standard: Meets or Exceeds the Requirements of RS-485/RS-422 Standards;
RS-485/422 Parity: Even, Odd, None, Mark and Space; Selectable;
Driver Supported: Microsoft Windows, Linux, Mac OS and Android (32 & 64 Bits) Operating Systems;
USB (Green) LED Indicator;
Transmit (Blue) and Receive (Yellow) LED Indicator;
ESD Protection: RS-232 Bus-Pin ESD Protection Exceeds ±15 kV Using Human-Body Model (HBM);
Dimensions: 26mm x 71.6mm x 122 mm (1.03in x 2.8in x 4.82in);
Operating Temperature: -10°C to +70°C (+14°F to +158°F);
1 Year Guarantee and 5 Years Support.

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3. PACKAGE CHECKLIST
Before installing the PH485Ux1, verify that the package contains the following items:
1) #1 PH485Ux1 2) #1 USB Cable
3) #1 Document and Driver CD-ROM
NOTE: Notify your sales representative if any of the above items is missing or damaged.

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4. TOP VIEW
5. BOTTOM VIEW
6. FRONT VIEW
7. BACK VIEW

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8. INSTALLATION ON WINDOWS
After you plug PH485Ux1 to USB port, you can see 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",

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Select "Driver Folder" on the Installation CD and click OK.
Now, click on "Next",

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The driver will be installed,
Now, click "Finish",

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You should repeat these steps till all the ports will be installed.

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After finishing installation, you should see "USB Serial Port" in "Ports (COM&LPT)" section of Device
Manager.

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9. MANUAL INSTALLATION ON WINDOWS
If the installation procedure is not started after you plug the device to your computer you can install
the driver manually as follow:

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