Unit RS485-ISO is an isolated half-duplex transceiver based on the RS485 bus protocol. It can convert TTL levels to RS485 levels. In device communication links, various electrical noise and transient changes in voltage and current may occur. Using the CA-IS3082W as the interface chip can effectively shield against noise and transients, providing full protection for expensive control equipment and reducing the risk of damage. It communicates with another RS485 device, making it suitable for long-distance signal transmission. The product features fail-safe operation: in receive mode, if the input terminal is open or shorted, the receiver outputs a high level. RS485 is a communication protocol standard that defines the electrical characteristics of drivers and receivers for serial communication systems. It supports multipoint systems and is widely used in industrial fields. When your project requires communication control via RS485, with high demands for signal-to-noise ratio and transmission distance, using Unit RS485-ISO for interface conversion is a good choice.
Features
Built-in CA-IS3082W isolation chip
Isolated DC-DC
Signal transmission rate: up to 500 Kbps
Fail-safe receiver (bus open circuit, short circuit)
Supports up to 256 bus nodes
Isolation withstand voltage up to 1000 VRMS
Development platforms: Arduino, UIFlow (Blockly, Python)
2 x LEGO-compatible holes
Includes
1 x Unit RS485-ISO
1 x VH-3.96 4P
1 x 120Ω Resistor
1 x HY2.0-4P Grove Cable (20cm)
1 x HY2.0-4P Grove 连接线 (20cm)
1 x I/O Sticker
1 x I/O 贴纸
Applications
Communication between RS485 interface devices and microcontrollers in industrial equipment
