Delta DVP-SS2 - Page 9

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 RS-485 Wiring
Figure 17
D+
D- D+ D-
D+
D-
3
1 2
2
3

Master node

Slave node

Terminal resistor
Note: 1. Terminal resistors are suggested to be connected to master and the last slave with
resistor value of 120Ω.
2. To ensure communication quality, please apply double shielded twisted pair cable
(20AWG) for wiring.