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485SDA103798 Manual 11
B&B Electronics -- 707 Dayton Rd. -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
Power Supply Connections
The 485SDA10 requires 7 to 18 V DC at 30mA. Remember that
the 30mA requirement doesn’t include the power consumption of
any external devices. Therefore, any current sourced with the digital
outputs must be added to this value.
Figure 2.3 - Typical RS-485 2-wire Connection
Figure 2.4 - Typical RS-422 Connection