5.1 Standard RS-485 Communications Ports
5-3
Chap. 5 USING STANDARD RS-485
5.1.2 Terminal specifications for RS-485 communications
The FRENIC-VG has terminals for RS-485 communications on the control circuit terminal block.
Signal name Function Remarks
DX - RS-485 data (-)
DX + RS-485 data (+)
Built-in terminating resistor: 112Ω
Open/close by SW4*
*For details about SW4, refer to Chapter 3, Section 3.3.3.9 "Setting up the slide switches."
As there is no earth terminal for the shield, the shield wire must be earthed on the host device side.
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