The STM485S RS232 to RS485 Serial Converter Module is a high-performance bi-directional communication interface designed to convert RS232 serial signals into RS485 signals for reliable long-distance data transmission. It enables seamless communication between computers, PLCs, industrial controllers, microcontrollers, and RS485 devices.
This converter features automatic transmit/receive control, stable communication, and strong anti-interference capability, making it ideal for industrial automation, building control systems, data acquisition, security systems, and embedded communication projects.
Features
- Bi-Directional RS232 to RS485 Communication
- Reliable Serial Data Conversion
- Automatic Send/Receive Direction Control
- Long-Distance Data Transmission
- High Noise Immunity
- Stable Industrial Communication
- Compact and Durable Design
- Easy Installation and Operation
- Supports Multi-Device RS485 Networks
- Suitable for Continuous Industrial Use
Specifications
- Model: STM485S
- Module Type: RS232 to RS485 Converter
- Communication: Full Duplex RS232 / Half Duplex RS485
- Interface: RS232 to RS485
- Transmission Distance: Up to 1200 meters (RS485)
- High-Speed Serial Communication
- Anti-Interference Design
- Industrial Grade Performance
- Plug-and-Play Operation
Applications
- Industrial Automation
- PLC Communication
- SCADA Systems
- Building Automation
- Data Acquisition Systems
- CNC Machines
- Smart Metering
- Security & Access Control
- Embedded Systems
- Serial Communication Projects
- Factory Equipment Monitoring
- IoT Industrial Applications
Compatibility
- PLC Controllers
- Arduino (via Serial Interface)
- ESP32
- STM32
- Raspberry Pi
- Industrial Controllers
- POS Systems
- CNC Controllers
- Serial Communication Equipment
Package Includes
1 × STM485S RS232 to RS485 Serial Converter Module








