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What is the pinout to the RS485 cable needed to connect an M340 to a Unity Quantum RJ45 modbus port?

Note: If the cable is 10 feet or longer a 120 ohm resistor will be needed across pins 1 and 2 on the Quantum side as well as pins 4 and 5 on the M340 side.


Legacy KB System (APS) Data: RESL192925 V1.0, Originally authored by MiMe on 10/06/2008, Last Edited by MiMe on 10/06/2008
Related ranges: Modicon M340
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