RS232/485/422 To CAN Industrial Isolated Converter, Supports Modbus RTU Conversion, Multiple Protection Circuits
RS232/485/422 To CAN
Industrial Isolated Converter
RS232/485/422 To CAN Data Conversion, Supports Modbus RTU Conversion
Multiple Industrial Protections Such As Galvanic Isolation, Lightningproof Protection, And ESD Protection. Suitable For Industrial Control Equipment And/Or Applications With High Communication Requirement
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-3.jpg)
Features At A Glance
- Supports data communication and conversion between RS232/485/422 and CAN interfaces
- 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
- Supports 14 sets of configurable filters, can only receive CAN bus data in specific range and type
- Supports 4 operating modes: transparent conversion, transparent with identifiers conversion, format conversion, and Modbus RTU protocol conversion
- Up to 1000 frames CAN buffer for buffering transmission data to prevent data loss
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
- 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, more convenient for firmware customization
- Supports setting operation parameters via configuration software or serial commands, capable of saving settings after power 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
Specifications
PRODUCT TYPE | Active digital isolated RS232/485/422 to CAN converter |
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POWER SUPPLY INTERFACE | Power supply | 5~36V DC |
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Protection | Anti-reverse |
DEVICE PORT | RS232/485/422, CAN |
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ISOLATED CAN | Connector | Screw terminal |
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Direction control | Hardware automatic control |
Resistor | Onboard 120R matching resistor |
Baud rate | 10kbps~1000kbps |
ISOLATED RS232 | Connector | DB9 female |
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Transmission distance | about 15m |
Transmission mode | point-to-point |
Baud rate | 1200bps~460800bps |
ISOLATED RS485/422 | Connector | Screw terminal |
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Direction control | Hardware automatic control |
Protection | TVS diode, surge protection & ESD protection, power isolation and signal isolation |
Resistor | Onboard reserved 120R matching resistor, NC by default, enabled via jumper |
Transmission mode | Point-to-multipoints (485 mode: up to 32 nodes, it is recommended to use repeaters for 16 nodes or more; 422 mode: up to 256 nodes, it is recommended to use repeaters for 16 nodes or more) |
Baud rate | 1200bps~460800bps |
INDICATORS | PWR | Red power indicator, lights up when voltage is detected |
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RUN | System operating indicator, turns off if CAN bus is abnormal |
COM | RS232/485/422 RX indicator, lights up when RS232 or 485 or 422 port receives data |
CAN | CAN RX indicator, lights up when CAN port receives data |
OPERATING ENVIRONMENT | Temperature range | -15 ~ 70℃ |
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Primary Function
Achieves Data Transmission And Conversion Between RS232/RS485/RS422 And CAN Interfaces
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-5.jpg)
Supports Wide Range Baud Rate
RS232/485/422 Communication Baud Rate: 1200 ~ 460800bps
CAN Communication Baud Rate: 10kbps ~ 1Mbps
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-7.jpg)
Supports Four Operating Modes
Transparent Conversion, Transparent With Identifiers Conversion, Format Conversion, And Modbus RTU Protocol Conversion
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-9.jpg)
Supports Host Computer Configuration
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-11.jpg)
Galvanic Isolated Design
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-13.jpg)
Multiple Protection, Safe And Stable
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-15.jpg)
Interface Introduction
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-19.jpg)
Pin Definition
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-23.jpg)
Wall-Mount And Rail-Mount Support
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-25.jpg)
Application Examples
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-27.jpg)
Product Show
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-29.jpg)
Outline Dimensions
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-size.jpg)
Resources & Services
![](https://www.waveshare.com/img/devkit/LCD/common/res_banner.png)
PACKAGE CONTENT
Weight: 0.148 kg
The power supply of this product is not included, it is recommended to purchase 12V power supply if you need it.
- RS232/485/422 TO CAN x1
- Rail-mount buckle x1
- Screwdriver x1
![](https://www.waveshare.com/img/devkit/accBoard/RS232-485-422-TO-CAN/RS232-485-422-TO-CAN-details-pack.jpg)