
The MCS-655P is a photo-reflective NPN open collector
photo sensor with Light / Dark activated output that oper-
ates up to 1000 Hz. For simplified installation purposes the
integral LED aids in alignment. Sensors also provide a
sensitivity adjustment pot providing application flexibility.
The MCS-655P model comes with a connection cable,
LED status indicator, sensitivity control and mounting nuts.
Sensor/detection principle: Photoelectric
retro-reflective sensor
Housing length: 2.5" (62.9 mm)
Housing thread diameter: M18 x 1
Sensing range: 2" - 23' (0.05 -7 m )
Light/Source: Visible red LED
Light spot @ distance 19.7' (6 m): 15.75" (400 mm)
Wave length: 645 nm
Sensitivity adjustment: Turnable Potentiometer over 270°
Supply voltage: 10-30 V DC
Switching output: NPN open collector,
Light/dark-switching, Selectable via L/D control wire
Signal voltage NPN HIGH ⁄ LOW: Approx. VS ⁄ < 1.8 V
Output current max.: ≤ 100 mA
Response time: ≤ 0.5ms
Switching frequency: 1,000 Hz with light/dark ratio 1:1
Angle of dispersion: Ca. 4.5 °
Ambient Operating temperature: -13 to 131 °F (-25 to 55 °C)
Housing material: PBT and PC
Optics material: PMMA
Cable material: PVC
Connection type: Cable, 4-wire, 6.6' (2 m)
Circuit protection: inputs and output reverse-polarity
protected; outputs overcurrent and short-circuit protected
Weight: 2.2oz (62 g)
Enclosure rating: IP 67
Items supplied: Fastening nuts (2 x), Reflector target,
reflection tape
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