B&B Electronics Switch RS-485 Manuel D’Utilisation

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485SDA103798 Manual
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B&B Electronics  -- 707 Dayton Rd.  --  PO Box 1040  --  Ottawa, IL  61350
PH (815) 433-5100  --  FAX (815) 434-7094
Digital Ground
Connect the digital ground pin to your digital device's ground.  To
minimize noise, do not connect analog ground and digital ground
together. Connect unused digital inputs to digital ground.
Typical Connections
Figure 2.2 shows the typical connections of the 485SDA10 for
the digital I/O lines.
Figure 2.2 - Typical Digital I/O Connections