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How do I wire full duplex RS485? RS 485
Full Duplex 4 wire hook up rules;
If you must use four wire rather than two wire Half-Duplex.
1. Remember to remove the shorting blocks on the AD300 for “Full Duplex” 4 wiring. This sets the proper 4 wire termination resistance.
2. The “+” terminals go to the “+” terminals
The “-“ terminals go to the “–“ terminals.
3. Transmitters on the ACP/PIB go to Receivers on the LOCKS.
Receivers on the ACP/PIB go to the Transmitters on the LOCKS.
Transmitters on the ACP go to Receivers on the PIM400-485
Receivers on the ACP go to the Transmitters on the PIM400-485.
4. Wire as a Daisy-Chain configuration, NOT a Star
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