Photoelectrics Through-beam, Transistor Output Type PA12B.T20.. • Elevators, Escalators and Entrance control • Range 20 m • Modulated, infrared light • Supply voltage: 10 to 30 VDC • Output: 100 mA, NPN or PNP type • Make or break switching • Protection: reverse polarity, short circuit, transients • Cable versions with or without connector • Emitter mute and power adjustment • High neighbour immunity, 3-codes Product Description Ordering Key PA12B1T20NO-C2 The PA12BNT. is a through beam sensor set specially designed for Elevators, Escalators, Entrance control to meet the requirements in the door market. The hous- ing is very robust and is known for it’s high long term relaibilitymute.The emitter Type Selection has a mute inputtoturn it off for evaluation of the sen- sor function. Theemitterandreceivers can be delivered in 3 differ- ent codeson orderto improve neighbour immunity. Available in 10-30 VDC version. Type Housing stylej Housing size Housing material Sensor code Detection principle Sensing distance Output type Output configuration Connection type Cable connector Housing Range Con-Ordering no. Ordering no. Ordering no. Ordering no. Ordering no. diameter Snnec- Receiver Receiver Receiver Receiver Emitter torNPN, NO NPN, NC PNP, NOPNP, NC M12 mm Code 1 20 mNO PA12B1T20NO PA12B1T20NC PA12B1T20PO PA12B1T20PC PA12B1T20 M12 mm Code 2 20 mNO PA12B2T20NO PA12B2T20NC PA12B2T20PO PA12B2T20PC PA12B2T20 M12 mm Code 3 20 mNO PA12B3T20NO PA12B3T20NC PA12B3T20PO PA12B3T20PC PA12B3T20 M12 mm Code 1 20 mYES PA12B1T20NO-C2 PA12B1T20NC-C2 PA12B1T20PO-C2 PA12B1T20PC-C2PA12B1T20-C2 M12 mm Code 2 20 mYES PA12B2T20NO-C2 PA12B2T20NC-C2 PA12B2T20PO-C2 PA12B2T20PC-C2PA12B2T20-C2 M12 mm Code 3 20 mYES PA12B3T20NO-C2 PA12B3T20NC-C2 PA12B3T20PO-C2 PA12B3T20PC-C2PA12B3T20-C2 Note: Please order emitter and receiver separately Specifications Emitter Rated operational volt. (UB)10 to 30 VDC Ripple (Urrp) ≤ 10% Supply current ≤ 20 mA ProtectionReverse polarity, transients Control input Normal oper. > 1.5 VDC Mute < 1.2 VDC Light sourceLED, 880 nm Light type Infrared, modulated Optical angle ± 5° Power adjustment Rx ~ 1.5 kΩ -10 kΩ 50 - 100%, in 7 steps Specifications are subject to change without notice (30.04.2008) 1
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