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AJMRTC Galvanic Isolated TTL to RS485 (C) Converter, Half-Duplex UART Serial Module, Multi-Isolation Protection, 1.2KM Long Distance, Supports 32 Nodes, 3.3V 5V for Arduino ESP32 STM32 Raspberry Pi In
- - Galvanic isolation design eliminates ground loop interference and protects circuits from surge damage
- - Half-duplex auto-direction switching, easy UART TTL to differential RS485 signal conversion
- - Up to 1.2km communication distance and supports max 32 bus transmission nodes
- - Multi-layer protection including lightning, ESD, overvoltage and reverse polarity defense
- - Compatible with 3.3V / 5V TTL level, widely works with MCU, PLC and industrial sensors
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Overview
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AJMRTC TTL to RS485 (C) galvanic isolated converter realizes bidirectional half-duplex serial signal conversion between TTL UART and RS485 bus. Built-in power and signal isolation structure effectively suppress common-mode noise and avoid ground loop burnout in complex industrial environments. It supports long-distance transmission up to 1200 meters and can connect up to 32 nodes on one bus. Integrated multi-isolation protection covers lightning strike, ESD, overvoltage and reverse connection protection for stable operation. It fits 3.3V and 5V TTL logic level, compatible with Arduino, ESP32, STM32, Raspberry Pi, PLC and various industrial sensors, ideal for smart meter, automatic control, monitoring and remote serial communication projects.
Specifications
- Model: TTL to RS485 (C)
- Communication Mode: Half-Duplex
- Isolation Type: Galvanic Isolation
- Max Transmission Distance: 1200m
- Max Bus Nodes: 32
- TTL Signal Level: 3.3V / 5V
- Interface: TTL UART, RS485 A/B
- Protection: Lightning, ESD, Overvoltage, Reverse Polarity
- Application: Industrial serial communication, sensor data acquisition, PLC networking
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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