2PCS Industrial USB to RS485 Converter Bidirectional Adapter Board, Original CH343G and SP485EEN Chip Onboard TVS/Resettable Fuse Protection Circuits, Transmission Distance up to 1.2km

Description

• This is an industrial USB TO RS485 Bidirectional Converter with original CH343G and SP485EEN chips inside, providing better stability and compatibility, built-in light-ning proof tube, resettable fuse, ESD and TVS protection circuits, etc.
• Transmission distance up to 1.2km--The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300bps ~ 3Mbps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB.
• Multi system Support-- Compatible with Mac, Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc.
• 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. 3 LEDs for indicating the power and transceiver status
• Comes with Online Development Resource/User Manual: bit.ly/41rvrcc

Features
Support USB to RS485 bidirectional conversion
Fast communication, stable and reliable, better compatibility
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
3 LEDs for indicating the power and transceiver status
Compatible with Mac, Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc.

Specifications

Host port: USB
Device port: RS485
Baudrate:300bps ~ 3Mbps

USB

Operating voltage : 5V
Connector: USB-A
Protection: 200mA self-recovery fuse, ESD protection
Transmission distance: About 5m

RS485

Connector: Screw terminal
Pins :A+, B-, GND
Direction control: Hardware automatic control
Protection: 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R balancing resistor)
Transmission distance:About 1.2km(low rate)
Transmission mode:Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)

LED indicators

PWR :Red power indicator, light up when there is USB connection and voltage is detected
TXD:Red TX indicator, light up when the USB port sends data
RXD :Red RX indicator, light up when the device ports send data back

Operating environment

Temperature: -15 ~ 70
Humidity :5%RH ~ 95%RH

Package Content
USB TO RS485 (B) x2
USB-A male to female cable x2
Screwdriver x2

Online Development Resource/User Manual is provided,, please send us message to get it if neccessary.

Shipping and Returns

• We offer tracked shipping on all orders. Tracking information will be shared as soon as the order is dispatched.
• Please check the delivery estimate before adding a product to the cart. This is displayed for every product on the website.
• Available shipping methods and charges will be displayed at the time of checkout, depending on your exact location.
• All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
• Customers are advised to read our return policy for details of the return process, eligibility, refunds as well as cancellations or exchanges.
• In case of any issues or concerns about Shipping or Returns, please contact us and we will be happy to help.