The TM3 bus couplers are devices designed to manage EtherNet/IP, Modbus TCP, Modbus Serial Line or CANopen communications, depending on the reference, in association with TM3 / TM2 I/O expansion modules in a distributed architecture.
For more details, see Modicon TM3 Bus Couplers - Hardware Guide.
The following table shows the TM3 bus couplers supported by EcoStruxure Machine Expert:
|
Reference |
Port |
Communication type |
Terminal type |
|---|---|---|---|
|
2 isolated switched Ethernet ports |
Ethernet/IP Modbus TCP |
RJ45 |
|
|
1 USB port |
USB 2.0 |
mini-B |
|
|
2 isolated RS-485 ports (daisy-chained) |
Modbus Serial Line |
RJ45 |
|
|
1 USB port |
USB 2.0 |
mini-B |
|
|
2 isolated CANopen ports (daisy-chained) |
CANopen |
RJ45 |
|
|
1 USB port |
USB 2.0 |
mini-B |
