ABB VFD-GATEWAY - Page 7

LVD-EOMU02U-EN REVB 04/2022
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2.4 Modbus RTU Interface and wiring
1. 2 LEDs for communication state display (TxD and RxD)
2. 2 LEDs for termination state display
3. Allocation of signal name
4. 5-pin terminal block for communication interface
Status LEDs:

    
    
    

    
The Modbus-RTU can be connected to up to 5 ABB drives via the following connections:
Terminating resistors
120 Ω ¼ W is required at both line ends of the Modbus-RTU network
Ω
 

 