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Any biasing resistors required for RS485 communications over long distance?
Posted : 17/08/2015 8:23 pm
250ohm between A and B. Sometimes... a 470ohm pull-down is required from B to Signal GND.
Posted : 17/08/2015 8:28 pm
Topic starter
Noted, Thanks.
Posted : 18/08/2015 3:48 pm