User manual

15 EKI-1121L/1122L/1124L User Manual
Chapter 2 Getting Started
Then, let the EKI-1121L/1122L/1124L down straight to slide over the rail smoothly.
Figure 2.15 Din-rail Step2
2.4.2 Connecting Power
The EKI-1121L/1122L/1124L supports dual 12 to 48 VDC power inputs and a power-
fail relay output. Below figure is the power terminal block pin assignments. Please
refer it to connect to the proper power and polarity.
Figure 2.16 Power Connector
You can connect an alarm indicator, buzzer or other signaling equipment through the
power-fail relay output. The relay opens if power input V1 or V2 fails. ("Open" means
if you connect relay output with an LED, the light will be turned off)