Power Connection. Advantech EKI-7559MI, EKI-7559SI

The EKI-7559MI/SI supports dual +12 ~ 48 V

DC

power inputs and power-fail relay output.

Figure 2.5-1 Pinouts 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, 2 fails or port link down/break (″Open″ means if you connect relay output with an LED, the light would be off).

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