Aalborg DFC Digital Manual de usuario descargar pdf (Pagina 6)

RS-485 option:

The RS485 converter/adapter has to be configured for: multidrop, 2 wire, half duplex

mode. The transmitter circuit has to be enabled by TD or RTS (depending on which

is available on the converter/adapter). Settings for the receiver circuit usually should

follow the selection made for the transmitter circuit in order to eliminate Echo.

Pin 11 (-) of the “D” connector has to be connected to

T- or R- on the RS-485 converter/adapter.

Pin 24 (+) of the “D” connector has to be connected to

T+ or R+ on the RS-485 converter/adapter.

Pin 20 (Common) of the “D” connector has to be connected

to GND on the RS-485 converter/adapter.

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Aalborg DFC Digital Manual de usuario Pagina 6