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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

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 38

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Advantech UNO-4678 Manual de usuario Pagina 32