Modicon TM3 Bus Couplers

Introduction

The Modicon TM3 Bus Couplers are devices designed to create distributed architectures in association with EtherNet/IP, TM3 /TM2 I/O modules. They are managed by a controller, via fieldbus:

TM3BCEIP for EtherNet/IP and Modbus TCP
TM3BCSL for Modbus Serial Line
TM3BCCOfor CANopen

For more details, see Modicon TM3 Bus Couplers - Hardware Guide.

Modicon TM3 Bus Couplers

The following table shows the TM3 bus couplers supported by EcoStruxure Machine Expert:

Reference	Port	Communication type	Terminal type
TM3BCEIP	2 isolated switched Ethernet ports	Ethernet/IP Modbus TCP	RJ45
TM3BCEIP	1 USB port	USB 2.0	mini-B
TM3BCSL	2 isolated RS-485 ports (daisy-chained)	Modbus Serial Line	RJ45
TM3BCSL	1 USB port	USB 2.0	mini-B
TM3BCCO	2 isolated CANopen ports (daisy-chained)	CANopen	RJ45
TM3BCCO	1 USB port	USB 2.0	mini-B