Prolon PL-485-USB User manual

pn#8925r0_PL-USOPTL4_4910qsg
1
Items Included
2
General
Quick Start Guide
PL-485-USB
USB to RS-485 2-Wire Converter
3
Installation
USB to Serial Device
One Meter USB Cable
CD ROM with Drivers
This Quick Start Guide
One USB port is required for each installed device.
The USB port can be native to the PC or it can be a
USB port from an installed USB hub to the PC.
Note: The PL-485-USB works with USB 1.1 or 2.0
ports but has a maximum USB data rate of 12Mbps.
Ambient Temperature: 0 to 70° C
USB to Serial Device
Two Meter USB Cable
CD ROM with Drivers
This Quick Start Guide
THE DRIVER INSTALLATION CONSISTS OF TWO STEPS.
THE FOUND NEW HARDWARE WIZARD WILL RUN FIRST TO
INSTALL THE USB DEVICE DRIVER AND WILL RUN A SECOND
TIME TO INSTALL THE COM PORT DRIVER.
DO NOT CANCEL THE FOUND NEW HARDWARE WIZARD UNTIL
BOTH DRIVERS ARE INSTALLED.
The sample screen shots are from Windows XP.
Insert the included driver CD into the PC’s CD ROM drive
Connect the converter to the PCs USB port with the supplied cable.
The Found New Hardware Wizard will start.
When prompted to connect to Windows Update to search for the
driver, select “No, not this time” and click Next>
A warning concerning Windows logo testing may be displayed. Click on
Continue Anyway >
Completing the Found New Hardware Wizard will be displayed. Click on
Finish >
Important Note: The driver installation process consists of two
steps; the found new hardware wizard will first install the USB
device driver and then install the COM port driver. Do not cancel
before both drivers are installed.
Select Install the software automatically and click Next>

pn#8925r0_PL-USOPTL4_4910qsg
5
Pinouts
4
Verifying Installation
RS485 2 Wire Pinouts
Signal
RJ45
Terminal
Block
Data (-)
4
1 (Left)
Data (+)
5
2 (Middle)
IGND
8
3 (Right)
1. To verify the installation went correctly open the Windows
Device Manager
Scroll down to Ports,
Expand the ports by clicking on the plus sign (+), this
shows if the ports now exist on the PC.
If there are no exclamation points or other indicators of
a problem the ports should be installed correctly and
ready for use.
2. Verifying with a loopback test.
Loopback pin 1 to 2 on the terminal block connector, or
pin 4 to 5 on the RJ45 connector. (Data(-) to Data(+)).
Use the pin-out chart for the location of each pin.
Using Hyper Terminal or similar program, connect to
the VCOM port. Set the desired baud rate. Ensure
Hyper Terminal local echo is OFF. (Note: Hyper
Terminal is not provided with Vista or 2003 Server)
Transmit data. If the same character string is returned,
the test is good.