Advantech EKI-12741F, EKI-2741LX Power Connection, Pin Assignment of the Power Connector

2.6 Power Connection

The EKI-2741F/SX/LX support dual +12 ~ 48 VDC power inputs and power-fail relay output.

Figure 2.13: Pin Assignment of the Power Connector

You can connect an alarm indicator, buzzer or other signaling equipment through the relay output. The relay opens if power input 1 or 2 fails ( “Open” means if you connect relay output with an LED, the light would be off).

EKI-2741F-SX-LX User Manual 20