





Description:
Waveshare RS232/485/422 to CAN Industrial Isolated Converter is a high-performance communication module designed for demanding industrial environments. Built with power isolation, ADI magnetic coupling isolation, and TVS protection circuits, it ensures safe and stable data transmission. The rugged industrial guide rail case provides durability and easy installation.
This converter supports zero-delay automatic send/receive conversion, delivering fast, secure, and highly reliable communication. Its compatibility with Modbus RTU conversion makes it ideal for a wide range of industrial control systems, automation equipment, and applications requiring high-speed and stable communication.
Engineered for stability, reliability, and security, the RS232/485/422 to CAN converter is a trusted solution for enhancing connectivity across industrial networks.
Specification:
Product | Industrial isolated RS232/485/422 TO CAN | |
Host Interface | CAN | |
Device Interface | RS232/485/422 | |
CAN Interface | Baud Rate | 10kbps~1000kbps |
Direction Control | Hardware automatic control | |
Resistor | Default 120R | |
Interface | Screw terminal | |
CAN Interface | H, L, GND | |
RS232/485/422 Interface | Baud Rate | 1200bps ~ 460800bps |
Direction Control | Hardware automatic control | |
Resistor | Onboard reserved 120R matching resistor, NC by default, enabled via jumpers | |
RS232 Interface | DB9 Interface | |
RS485/RS-422 Interface | Screw terminal | |
RS485 Interface | A+, B-, GND | |
RS422 Interface | TA, TB, RA, RB, GND | |
Protection | Provides 600W of lightning, surge, and 15KV static protection (on-board 120R balancing resistor) | |
Transmission Mode | Point-to-multipoints (up to 32 nodes). It is recommended to use repeaters for 16 nodes or more. | |
Button | Press and hold for 1 second | Reset the system |
Press and hold for 5 seconds | Restore Factory Status | |
Indicator | PWR | The Red power indicator lights up when voltage is detected |
RUN | Operation status indicator, normal operation blinks at 1-second intervals | |
COM | CAN blue TX indicator lights up when the CAN port sends data RS232/485/422 blue RX indicator, lights up when the RS232/285/422 port receives data |
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CAN | CAN blue RX indicator lights up when the CAN port receives data RS232/485/422 blue TX indicator, lights up when the RS232/485/422 port sends data |
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Environment | Temperature range | -10℃ ~70℃ |
Features:
- Adopts SP3232EEN + SP485EEN chips, stable and high-speed communication, with better compatibility.
- Onboard unibody power supply isolation provides a stable isolated voltage and needs no extra power supply for the isolated terminal.
- Onboard unibody digital isolation allows signal isolation, high reliability, strong anti-interference, and low power consumption.
- Compliant with CAN 2.0B (extended frame) specification, compatible with CAN 2.0A (standard frame) specification; Compliant with ISO 11898-1/2/3 standard.
- CAN baud rate: 10kbps~1000kbps, configurable CAN baud rate.
- High-speed conversion: At a serial port baud rate of 115200 and CAN rate of 250kbps, the CAN sending speed can reach up to 1270 extended frames per second(Close to the theoretical maximum of 1309 extended frames per second).
- Supports data communication and conversion between RS232/485/422 and CAN interfaces.
- Supports 4 operating modes: transparent conversion, transparent with identifiers conversion, format conversion, and Modbus RTU protocol conversion.
- Onboard TVS (Transient Voltage Suppressor)effectively suppresses surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic.
- Onboard self-recovery fuse and protection diodes, ensure the current/voltage stable outputs, provide over-current/over-voltage proof, and improve shock resistance.
- Onboard 15KV ESD isolation protection and 600W lightningproof & anti-surge protection.
- Onboard 120R terminal resistor on the RS485/RS422 port, configurable by jumper.
- Supports device firmware upgrade via RS232/485/422, making it more convenient for firmware customization.
- Supports setting operation parameters via configuration software or serial commands, capable of saving settings after powering off.
- Onboard power supply screw terminal allows 5V~36V DC wide-range input.
- 4 LEDs for indicating the power and transceiver status.
- Industrial-grade metal case, supports wall-mount and rail-mount installation, solid and beautiful, easy to install.
Product Interface:
Pin Description:
Multiple Protection, Safe and Stable:
Useful Link:
Waveshare RS232/485/422 to CAN Industrial Isolated Converter
Package Included:
- 1 x RS232/485/422 TO CAN
- 1 x Rail-mount buckle
- 1 x Screwdriver