The Omron EE-SX673P is a through-beam slot sensor with a PNP open-collector output, designed for position sensing in automation and light industrial equipment. It operates on a 5 V supply and detects objects passing through a 5 mm slot, with a 1 ms response time. The chassis-mount package suits fixed installations on conveyor guides, pick-and-place stages, or actuator home-position flags.
PNP output — PLC input matching
The PNP open-collector output sources current to the load, which is the standard for many PLC input modules that expect a sourcing sensor. If your control system uses NPN (sinking) inputs, the sibling EE-SPX305-W2A provides an NPN dark-on output on the same 5 V rail and 5 mm slot — a direct swap without mechanical rework.
5 V supply — rail compatibility
Rated for a 5 V supply, this sensor draws 12 mA maximum switching current. Confirm your control cabinet's 5 V rail can handle the total load when multiple sensors are paralleled. The temperature range of -25°C to 55°C covers most indoor factory floor environments but not freezer or oven zones.