Omron E3K Instructions Manual

Instructions

Set Dark Switch to Dark ON.

OMRON E3K

Reflector Type Photo Eye

(24 to 240 VAC or VDC)

UL 325 Compliant

Dark Switch

Set Sensitivity near Max.
Wire Red & Black to Power.
Wire White to C1.
Wire Green to NO1.
Loosely Mount Photo Eye.
Solidly Mount Reflector, level

with the Photo Eye’s Lens.
Tip Photo Eye Up & Down, Side

to Side, until Red changes to
Yellow to determine Horizontal
& Vertical Center. Tighten.

Normal

Sensitivity

LIGHT STATUS

In Dark On Mode

If unit is in Light On Mode,

the Red & Yellow LED’s

are the OPPOSITE.

Green = Power On &

Red = Unit “Sees”

Yellow = Unit Does Not

Aim is Stable

the Reflector

“See” the
Reflector

Wiring

Unit thinks there
is an obstruction,
aim is off or the
reflector is bad.