M5Stack PWRCAN 13.2 Module with Isolated 2-Ch CAN & RS485
M5Stack PWRCAN 13.2 Module with Isolated 2-Ch CAN & RS485 - Image 2
M5Stack PWRCAN 13.2 Module with Isolated 2-Ch CAN & RS485 - Image 3
M5Stack PWRCAN 13.2 Module with Isolated 2-Ch CAN & RS485 - Image 4
M5Stack PWRCAN 13.2 Module with Isolated 2-Ch CAN & RS485 - Image 5
SKU: IOWC-1141
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M5Stack PWRCAN 13.2 Module with Isolated 2-Ch CAN & RS485

₹2,159.00 (Inclusive of all taxes)
Out of Stock

The M5Stack PWRCAN 13.2 Module is an ESP32-S3-powered industrial interface board providing isolated 2-channel CAN bus and 1-channel RS485 communication, with a wide 9-24V DC power bus input for robust industrial automation and automotive network integration.

Features

  • Dual-channel isolated CAN bus interface using CA-IS3050G transceiver, supporting speeds up to 1 Mbps for reliable automotive and industrial network communication.
  • Single-channel isolated RS485 bus interface via CA-IS3082W transceiver, ideal for long-distance Modbus RTU and industrial sensor networks.
  • Integrated ESP32-S3 dual-core processor (Xtensa LX7) with 8 MB flash, providing wireless connectivity and local processing for IoT edge applications.
  • Wide-range 9-24V DC power bus input with built-in isolated DC-DC converter (F0505S-2WR3) to safely power the host M5Stack unit.
  • Configurable DIP switches for selecting CAN/RS485 communication GPIO pins and enabling 120-ohm termination resistors directly on the module.

Out of stock

Description

The M5Stack PWRCAN 13.2 Module is a specialized industrial communication interface designed to bridge ESP32-S3-based IoT systems with robust fieldbus networks. It integrates signal and power isolation to protect sensitive microcontroller logic from high-voltage transients and ground loops common in industrial environments. The module’s core processing is handled by the ESP32-S3, featuring a dual-core Xtensa LX7 processor and 8 MB of flash memory, enabling it to run complex protocol stacks, perform data aggregation, and connect via Wi-Fi or Bluetooth.

Its communication backbone consists of two fully isolated CAN channels and one isolated RS485 channel, driven by industry-grade CA-IS3050G and CA-IS3082W transceivers respectively. This isolation ensures reliable data transfer in electrically noisy settings. The board accepts a wide 9-24V DC input through multiple connector types (HT3.96, XT30), which is then converted to a clean, isolated 5V supply for the host controller. Physical DIP switches allow for flexible pin mapping and termination resistor selection, simplifying integration into existing CAN or RS485 networks without requiring soldering.

Key Features

  • High-reliability dual-channel CAN bus interface with integrated signal isolation for robust network communication.
  • Isolated single-channel RS485 bus supporting standard industrial serial protocols like Modbus RTU.
  • Full galvanic isolation on both communication signals and power supply lines to protect the host system.
  • Wide operating voltage range (9-24V DC) compatible with common industrial power rails and vehicle electrical systems.
  • On-board DIP switches for flexible GPIO assignment and easy activation of 120-ohm bus termination resistors.
  • Built-in isolated DC-DC power module (F0505S-2WR3) provides a stable 5V output to power the attached M5Stack core.
  • Multiple power input options including HT3.96-4P and XT30 connectors for versatile wiring and installation.
  • Powered by the ESP32-S3 processor, enabling wireless IoT capabilities and local edge computing for data processing.

Applications

  • Industrial automation and control systems for machine monitoring and data acquisition.
  • Automotive communication systems and vehicle network gateways (CAN bus).
  • Protocol conversion gateways between Wi-Fi/Bluetooth IoT networks and CAN/RS485 fieldbuses.
  • Robot control interfaces for motor drives and sensor networks.
  • Intelligent transportation systems for traffic signal control and vehicle telemetry.
  • Building automation for HVAC control, access systems, and energy management via RS485.

Technical Specifications

Microcontroller/SoCESP32-S3-PICO-1-N8R8 (Xtensa LX7 dual-core)
Flash Memory8 MB
Wireless ProtocolsWi-Fi, Bluetooth (via ESP32-S3)
CAN Bus Interface2 channels, isolated (CA-IS3050G)
CAN Bus SpeedUp to 1 Mbps
RS485 Interface1 channel, isolated (CA-IS3082W)
Supply Voltage9-24V DC
Power IsolationIsolated 5V output (F0505S-2WR3)
ConfigurationDIP switches for GPIO selection & termination
Operating Temperature0°C to 40°C
Dimensions (LxW)54 mm x N/A mm
Weight27.7 g

Frequently Asked Questions

How do I configure the CAN and RS485 communication pins on the PWRCAN 13.2 module?

The module features physical DIP switches that allow you to remap the CAN_TX, CAN_RX, RS485_TX, and RS485_RX signals to different GPIO pins on the ESP32-S3. Consult the module's pinout diagram to set the switches according to your desired pin assignment, enabling flexible integration with other stacked M5Stack units or custom wiring without requiring code changes to the underlying UART peripherals.

What is the procedure for enabling the 120-ohm termination resistors for the CAN and RS485 buses?

On-board DIP switches are dedicated to connecting or disconnecting the integrated 120-ohm termination resistors across the CAN_H/CAN_L and RS485_A/RS485_B lines. You must set these switches to the 'ON' position if your module is at the end of a bus segment to prevent signal reflections. For nodes in the middle of a bus, typically keep termination disabled to avoid excessive parallel resistance loading down the network.

Can I power the PWRCAN 13.2 module and my M5Stack core solely through the 9-24V input?

Yes. The module's integrated isolated DC-DC converter (F0505S-2WR3) takes the 9-24V input and generates a clean, isolated 5V supply. This 5V output is routed to power the host M5Stack core unit through the board-to-board connector. Ensure your DC power source within the 9-24V range can provide sufficient current for both the module's isolation circuitry and the ESP32-S3 core's operational load.

Package Includes

  • 1 x PwrCAN Module 13.2
  • 1 x HT3.96-4P Connector
  • 1 x XT30(2+2)PW-M Power Cable

Additional Information

Weight 0.051 kg
Dimensions 13.5 × 9.5 × 2.5 cm

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