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Industrial USB TO 4Ch RS485 Converter Multi Protection Circuits Multi Systems Support


Date:2023-10-21 16:52
Part Number:
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Industrial USB TO 4Ch RS485 Converter, Multi Protection Circuits, Multi Systems Support, Aluminium Alloy Case, Wall-Mount & Rail-Mount Support


[] Industrial USB TO 4Ch RS485 Converter, Multi Protection Circuits, Multi Systems Support, Aluminium Alloy Case, Wall-Mount & Rail-Mount Support

Features At A Glance

[] Extending USB to 4CH RS485, allows concurrent and independent communication for each channel

[] Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic

[] Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance

[] Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch

[] Aluminium alloy case with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted


[] PRODUCT TYPE : Industrial Grade USB to RS485 converter



[] BAUDRATE : 1200bps ~ 460800bps


[] Operating voltage : 5V

[] Connector : USB-B

[] Protection : 500mA resettable fuse, ESD protection

[] Transmission distance : About 5m


[] Connector : Screw terminal

[] Protection : 600W lightningproof and surge-suppress, 15KV ESD protection

[] Transmission distance : Maximum communication distance is about 1200m (at a low rate, with 120R resistor turned on)

[] Transmission mode : Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)


Temperature : -40 ~ 85℃

Humidity : 5%RH ~ 95%RH

OPERATING SYSTEM : Win7/8/8.1/10/11, Mac, Linux, Android

Multiple Protection, Safe And Stable

[] Onboard Resettable Fuse And Protection Diode, Provides Over-Current/Over-Voltage Proof, Improves Shock Proof Performance; Onboard Voltage Translator Circuit, With Surge Suppress And ESD Protection, Safe And Stable Communication

Multi System Support

[] Supports Win7/8/8.1/10/11, Mac, Linux, Android, Etc.

Transmission Distance Up To 1.2km

[] The USB Signal Can Be Converted Into 4 Balanced Differential RS485 Signals And The Transmission Rate Is Stable. The Reliable Speed Is 1200~460800bps, The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB.

Wall-Mount & Rail-Mount Support

Interface Introduction


PWR : power indicator, lights up while the USB is connected and voltage is detected

ACT : Status indicator, lights up green while the driver is detected.

RXD(1~4) : Blue RXD indicators, light up when the device ports send data back (corresponding to 4 channels respectively)

TXD(1~4) : Blue TXD indicators, light up when the USB port is sending data (corresponding to 4 channels respectively)

Pin Description

[] PE : Signal ground

A(1~4) : A(1~4) differential signal A+

B(1~4) : B(1~4) differential signal B-

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