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CAN Bus I/O Modules

CAN Bus I/O Modules for Vehicle and Machine Networks

CAN bus modules let an embedded computer join a CAN 2.0 network for telemetry, engine and drivetrain data, or sensor and actuator control in vehicle, rail, marine and robotics applications.

The range covers isolated dual and quad-port CAN boards for PC/104 and PC/104-Plus hosts, each with 16 digital I/O lines, and a dual-port PCIe MiniCard with latching connectors, all rated for -40 to +85 °C.

New to the protocol? Read what CAN bus is.

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Browse Our Range of CAN Bus Cards

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Select EMUC-B202 Variant
EMUC-B202-W3 : EMUC-B202-W3 with CANopen firmware, two isolated DB9 CAN ports and USB 2.0
EMUC-B202-W1 : EMUC-B202-W1 with CAN 2.0B firmware, two isolated DB9 CAN ports and USB 2.0
EMUC-B202-W2 : EMUC-B202-W2 with SAE J1939 firmware, two isolated DB9 CAN ports and USB 2.0
  • CANbus: 2x Isolated CANbus [Board]
  • Power: 3.3V DC [Bus]
  • Temp: -40°C to 85°C [-40°F to 185°F]
  • Certification: RoHS
Select JANUS-MM-LP Variant
JNMM-2L-XT : JANUS-MM-LP with 2 isolated CAN 2.0B ports, 16 digital I/O and PC/104
JNMM-2LP-XT : JANUS-MM-LP with 2 isolated CAN 2.0B ports, 16 digital I/O and PC/104-Plus
JNMM-4L-XT : JANUS-MM-LP with 4 isolated CAN 2.0B ports, 16 digital I/O and PC/104
JNMM-4LP-XT : JANUS-MM-LP with 4 isolated CAN 2.0B ports, 16 digital I/O and PC/104-Plus
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Beyond CAN Bus: Data Acquisition and I/O Modules

What to Specify in a CAN Bus Module

A CAN bus module connects an embedded computer to vehicle, machine and industrial control networks through a PC/104 stack, Mini PCIe socket or USB port. These are the points to check before you choose one.

Channel Count

One, two or four CAN channels per module. Separate channels keep different vehicle or machine networks apart.

Isolated Channels

Isolated CAN channels protect the computer from ground differences and electrical noise on the bus.

Host Interface

PC/104 and PC/104-Plus for stacks, Mini PCIe for compact computers and USB adapters for laptops and test benches.

Protocols and Firmware

CAN 2.0B on every module, with CANopen firmware on selected adapters for industrial device networks.

Rugged and Military Builds

Latching connectors and MIL-STD tested modules suit military vehicles, heavy machinery and off-highway equipment.

Drivers and Software

Linux drivers on every module and Windows on most, with libraries for logging and sending CAN frames.

CAN Bus Innovation & Vehicle Network Insights

We specialise in CAN connectivity for vehicle and machine systems. Our team of embedded system design engineers recommends and configures CAN modules to the channels, isolation and host bus your design needs. Read what CAN bus is, or compare the PC/104 bus variants.
PC104 Varients Card
White Paper CAN Boards and Host Bus Compatibility The PC/104 bus variants explained, so a CAN module can be matched to the host board in a vehicle or robot stack.
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Put Your Computer on the CAN Bus.

Tell us the network, the number of channels and the host board. We will recommend the right CAN module, then configure and test the host computer before it ships.

Phone · UK +44(0)1785 558 300