User Manual

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Isolated USB/RS-422/485 Converters
USOPTL4DR-x
Universal Serial Bus (USB) has become the connectivity workhorse of
today’s PCs, replacing the familiar serial port. However, many commercial
and industrial devices still use serial interfaces. To connect these devices to
modern PCs, you need a simple and reliable conversion solution.
The USOPTL4DR-x series offers this solution. Specifically designed for
industrial applications, they offer 3000V optical isolation with 15 KV ESD
protection. The slim-line DIN rail mountable enclosure has a small footprint
and, since it draws power from your computer’s USB bus, an additional
power supply is not required. Simply plug the converter into an available
USB port on your computer or USB hub and install the drivers supplied
on CD ROM. The device will show up as an additional COM port in the
Windows Device Manager which is fully compatible with your Windows
applications.
One and two port versions are available. The single port version is also
available with a “locked serial number” that allows you to interface your
PC with multiple converters without having to load a driver for each one -
perfect for field service applications. A one meter USB cable is included.
• 3000Voltsopticalisolation
• 15KVESDprotection
• USBbuspowered
• RS-422/485dataratesupto921.6Kbps
• HighretentionUSBconnector
• Removableterminalblocks
• DINrailmount(panelmountoption)
PRODUCT FEATURES
ORDERING INFORMATION
MODEL NUMBER DESCRIPTION
USOPTL4DR Isolated USB to RS-422/485 Converter, 1 port
USOPTL4DR-2 Isolated USB to RS-422/485 Converter, 2 port
USOPTL4DR-LS Locked Serial Number version of USOPTL4DR
ACCESSORIES
USBAMBM-3F - 1 m (3 ft.) USB cable (one included)
DRPM25 - Panel mount adapter
TB5P508SR-2PK - Optional terminal block with strain relief, 2 pack
7466 - Standard terminal block replacement (Unit comes with one or two factory
installed depending on model number.)
Locked Serial Numbers Explained
We configure our single-port USB to serial converters in two ways. In
standard format, each product has a unique serial number. “Locked serial”
format uses the same serial number that is associated with a model type.
If your converter will always be used with the same computer, the standard
serialized model is all you need. If the converter is shared among several
computers, like field service laptops, the locked serial number model lets
you plug and play without having to worry about matching the two.
Description Serialized
Locked
Serial
Number
Every unit is assigned a unique COM port
✔
-
Same type model numbers shares the same COM port
-
✔
Ideal applications Fixed
Locations
Field
Service
When ordering Locked Serial Number versions, add a “-LS” to the item
number. Serialized and Lock Serial Number versions sell for the same price.
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