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RS485: J6

Connector J6 provides a half-duplex RS485 port.

Pin Assignment

Image

Manufacturers label the RS485 lines differently: A is the non-inverting line (also called D+ or Data+), B is the inverting line (also called D- or Data-). If no communication is established, swap A and B.

A 120 Ω termination resistor is permanently fitted between A and B, so the WomoNET.core must be connected at one end of the bus.

The port is not galvanically isolated. GND is connected to the ground of the WomoNET.core.

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