Photoelectrics Retro-reflective, Polarized Type PA18ALP20T.., AC, PBTP housing • Range: 2.0 m • Modulated red light, polarized • Supply voltage: 20 to 250 VAC • Output: 500 mA SCR • Make and break switching functions • LED-output indication • Improved immunity to reflecting surfaces • Heavy duty M18 metal housing, IP67 • Cable and plug versions Product Description Ordering Key PA18ALP20TOM6SA The PA18ALP20T.. is a family of general purpose polarized retro-reflective sensor in a long M18 nickel-plated brass housing for heavy duty appli- cations.They are usefulfor simpleapplicationswherea Type Selection basic sensor provides adequ- ate sensing performance. The sensorsareeasytoadjust with a 270° single-turn poten- tiometer.The outputis a 2- wire NO or NC thyristor (SCR) output. Type Housing style Housing size Housing material Housing length Detection principle Sensing distance Output type Output configuration Connection type Adjustable HousingRatedOrdering no. Ordering no. Ordering no.Ordering no. diameter operating SCR/cable SCR/plug SCR/cable SCR/plug dist. (Sn) Make switchingMake switching Break switching Break switching M18 2 mPA18ALP20TOSA PA18ALP20TOM6SA PA18ALP20TCSA PA18ALP20TCM6SA Note: Plugs and reflector to be ordered separately Specifications Rated operating dist. (Sn) Up to 2.0 m. Ref. reflector type ER4 Ø 84 mm Sensitivity270° single-turn pot. meter Blind zone0.15 m Temperature drift0.4%/°C Hysteresis (H) (Differential travel) 3 to 20 % Rated operational volt. (UB) 20 to 250 VAC, 45 to 65 Hz Output current (AC 12, AC 140) Continuous (Ie) ≤ 500 mA Short-time (I)≤ 3 A, max. 20 ms Min. operational current (Im)10 mA OFF-state current (Ir)≤ 5 mA, typ. 2.6 mA Voltage drop (Ud) Typ. ≤ 7 VAC Max. ≤ 10 VAC ProtectionTransients Transient voltage1 kV / 0.5 J Light sourceGaAlAs LED, 660 nm Light type Red polarized, modulated Optical angle ± 2° Light spot size 150 mm at 2 m Ambient light Max 5'000 lux Operating frequency (f)Max. 25 Hz light-dark ratio 1.2 Response time OFF-ON (tON) ≤ 20 ms ON-OFF (tOFF)≤ 30 ms Power ON delay (tv)Typ. 70 ms Indication functionDark (NC) or light (NO) switching Output ONLED, yellow Environment Overvoltage category II (IEC 60664/60664A 60947-1) Pollution degree 3 (IEC 60664/60664A 60947-1) Degree of protection IP 67 (IEC 60529 60947-1) Temperature Operating-20° to +60°C (-4° to 140°F) Storage -30° to + 70°C (-22° to 158°F) Vibration10 to 150 Hz, 0.5 mm/- 7.5 g (IEC 60068-2-6) Shock 2 x 1 m 100 x 0.5 m (IEC 60068-2-32) Dielectric voltage1500 V (IEC 60364-4-41) Specifications are subject to change without notice (06.05.2008) 1
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