Inductive proximity sensors IM 18 series, sensing range 5 / 8 mm DC 3-wire, metal housing Dimensions in mm 24 LED 8 32 50 Standard series 24 LED Features Can be installed flush or 40 non-flush in metal 50 PNP or NPN output 24 Normally open/ M12x1 normally closed function Short-circuit protection LED, 4x90 (pulsed) 40 8 Robust brass housing, 64 nickel-plated with fine thread 24 M18 x 1 mm Cable or connector M12x1 Enclosure rating IP 67 LED, 4x90 LED status indicator 48 64 Accessories Round connectors Connection diagram Mounting bracket PNP NPN bn 1 bn 1 + + bk 4 bk 4 DC DC bu 3 bu 3 - - PNP NPN bn 1 bn 1 + + bk 2 bk 2 DC DC bu 3 bu 3 - - 2 Wire colour Contact Assignment bn brown 1 + V DC 3 1 bk black 2/4 NC/NO bu blue 3 - V DC 4 40 SICK 8 007 755.0300 M18x1 M18x1 M18x1 M18x1Electrical and mechanical data Operating voltage U 10 ... 30 V DC Short-circuit protection yes b (pulsed) Ripple U 10% pp Reverse polarity protection Voltage drop U 1 V yes d Power-up pulse suppression (at I max.) yes a 20 mA Enclosure rating to EN 40050 Power consumption IP 67 (without load) Shock and vibration 30 g, 11 ms stress Continuous current I 400 mA 10 to 55 Hz, 1 mm a Ambient temperature T Time delay before 100 ms - 25 ... + 70 C a availability t Housing material Brass, nickel-plated, v Hysteresis H 2% - 10% of s plastic r Tightening torque Repeatability R 2% of s 30 Nm r 2 Connection cable (U and T constant) PVC, 3 x 0.34 mm b a Temperature drift 10% of s r EMC to EN 60 947-5-2 Selection table Sensing Installation Switching Switching Switching Connection Type Order number range s in metal output function frequency f n mm in Hz 5 PNP 600 Cable 2 m IM18-05BPS-ZW1 6011987 5 NPN 600 Cable 2 m IM18-05BNS-ZW1 6011988 Cable 2 m 5 PNP 600 IM18-05BPO-ZW1 6011989 5 PNP 600 Connector M12 x 1 mm IM18-05BPS-ZC1 6011991 Connector M12 x 1 mm 5 NPN 600 IM18-05BNS-ZC1 6011992 5 PNP 600 Connector M12 x 1 mm IM18-05BPO-ZC1 6011993 8 PNP 600 Cable 2 m IM18-08NPS-ZW1 6011995 8 NPN 600 Cable 2 m IM18-08NNS-ZW1 6011996 Cable 2 m 8 NPN 600 IM18-08NNO-ZW1 6011998 Connector M12 x 1 mm 8 PNP 600 IM18-08NPS-ZC1 6011999 8 NPN 600 Connector M12 x 1 mm IM18-08NNS-ZC1 6012000 8 PNP 600 Connector M12 x 1 mm IM18-08NPO-ZC1 6012001 41 8 007 755.0300 SICK Inductive proximity sensors, IM 18 series, DC