1 Overview

GCAN-303/304 is a CANopen converter. The GCAN-303/304 is the CANopen master station on the CANopen network, which is Modbus RTU/TCP slave station (Server) on Modbus RTU/TCP network, which can realize the data communication between multiple CANopen slave station and multiple Modbus RTU/TCP master stations (Client).

2 Properties at a glance 

Industrial 32-bit ARM processor

CANopen supports DS301V4.02

Support NMT、PDO、SDO、Heartbeat、Guardlife、SYNC

CAN-Bus access to ISO11898

Support CAN2.0A and CAN2.0B protocol

ESD (electrostatic discharge) protection: IEC 61000-4-2 Level 2 (contact
discharge 2KV, air discharge 15KV)

CAN baud rate: CANopen compliant baud rate (10kbps - 1000kbps)

Power supply: 24V DC 200mA

Supports at most 8 bytes of TPDO, RPDO and 4 bytes of quick Download SDO
and quick Upload SDO

The CANopen command can configure up to 160, (PDO and SDO command total
160)

Has an RJ45 Ethernet/serial port interface, 10/100m self-adaptive

Supports at most 36 Modbus RTU/TCP master stations (Client) connections

Modbus from the station support function code: 03H, 04H, 06H, 16H

Serial port rate support 600bps~ 115200bps

Working temperature range from -40 to 85 °C

Installation method: DIN rail

Size: (L)113mm * (W)100mm * (H)21mm

3 Technical specifications

Take GCAN304 as an example: