Electronic control relay easyE4 with a rated operating voltage of 24 VDC. Digital inputs with 24 VDC are available, of which some can also be used as analog inputs and others as fast counters. The easyE4 control relay features transistor outputs for 24 VDC. It is equipped with diagnostic LEDs, a clock, an integrated Ethernet interface, and screw terminals. The easyE4 control relay can be expanded with digital input-output extensions from the easyE4 series and with communication modules.