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AJMRTC Industrial USB to RS485 Bidirectional Converter, Built with Original CH343G Chip, Multi-Protection Circuit, Auto TX/RX Control, Supports Modbus RTU, Wide Baud Rate Range for Industrial Serial
- - Adopts original CH343G USB serial chip + SP485EEN RS485 transceiver for stable bidirectional conversion
- - Automatic transmit-receive direction switching, no extra control pin required for half-duplex RS485 bus
- - Integrated multi-layer protection: TVS surge suppression, 15KV ESD protection and resettable fuse
- - Supports 50bps to 6Mbps wide baud rate, compatible with Modbus RTU and common industrial serial protocols
- - PWR, TX, RX status LED indicators, screw terminal design for easy field wiring
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Overview
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AJMRTC industrial-grade USB to RS485 converter uses genuine CH343G chip to realize high-speed USB to differential RS485 signal conversion. It eliminates complicated manual direction control and greatly simplifies software programming. Built-in comprehensive protection circuits defend against static electricity, lightning surges and overcurrent damage in harsh factory environments. It supports multi-drop bus networking, connecting up to 32 RS485 devices on one bus, with transmission distance up to 1200 meters at low baud rates. It works seamlessly under Windows, Linux and macOS with native CDC or official VCP driver. It is widely applied for PLC communication, Modbus sensor network, industrial data acquisition, remote meter reading and automation control systems.
Specifications
- Core Chip: Original CH343G + SP485EEN
- Function: Bidirectional USB to RS485 conversion
- Communication Mode: Half-duplex, auto TX/RX switching
- Baud Rate: 50bps ~ 6Mbps
- Protection: 15KV ESD, TVS surge protection, resettable fuse
- Indicator: PWR, TX, RX LED
- Terminal: 4P screw terminal block
- Max Bus Nodes: 32 devices
- Max Transmission Distance: 1200m (at low baud rate)
- Supported Protocol: Modbus RTU
- Compatible OS: Windows, Linux, macOS, Android
- Operating Temperature: -40 ~ +85
- Application: Industrial automation, Modbus gateway, sensor networking, PLC debugging, long-distance serial data transmission
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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