UNO-4678 User Manual 26
A.6 Power Screw Terminal (PWR)
Figure A.1: Power Connector Pin Assignments
Note:
1. UNO-4678 supports two individual power inputs (VIN/VBAT). If the
voltage of the power input < 9 VDC, it will switch to another power input
and the FAULT LED will be enabled.
2. RPL1/ RPL2 is internal relay and can be used for remote monitor,the
standard mode is " Close", if one of input power got fail, it will be "
Open"
Pin Signal Name
VIN Power input 1; Range: 9~ 36VDC
VBAT power input 2; Range: 9~ 36VDC
GND Ground
RLP1 Internal relay
Normal status: Close, Fail Status: Open
RLP2
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