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Table of Contents
CANopen Introduction ................................................................3
CANopen Applications................................................................5
Module Characteristics ...............................................................6
Hardware Features.....................................................................7
Firmware Features .....................................................................7
Specifications .............................................................................8
Typical Applications ....................................................................9
Modbus TCP/RTU to CANopen gateway .................................10
Pin Assignment.........................................................................12
RS-232 & RS-485 & Power supply interface .....................13
Connect to CANopen devices ...........................................14
Ethernet connection ..........................................................15
Terminator resistor settings ...............................................16
LED Indication ..........................................................................18
Power LED ........................................................................18
Module Status indicator LED .............................................18
...................................................................................18
...................................................................................18
ERR LED & ERROR Message show in 7-LED
5-digits 7-Segment LED Displays......................................19
Network Communication ..........................................................22
Slave Device Communication...................................................22
Listen Mode..............................................................................22
Interaction with Internal Memory ..............................................23
CAN Status Message ...............................................................24
Modbus TCP/RTU Interface....................................................................25
4.1
Commands ...............................................................................25
Modbus TCP/RTU Addressing..................................................26
I/O Data Addressing ..........................................................26
Special Data Addressing ...................................................26
GW-7433D Utility......................................................................29
Modbus Utility...........................................................................30
GW-7433D MODBUS TCP/RTU to CANopen Gateway User Manual
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(Version 2.1.0, Aug/2019)