E3HT E3HT 8 mm Metal Cylindrical Photoelectric E3HT Threaded Cylindrical M8 Size with Built-in DC Amplifier ■ ■ ■ ■ ■ Rugged Nickel-plated brass housing 1 m range through-beam Dual output NPN and TTL logic Light-ON or Dark-ON models Cable and connector models Ordering Information ■ SENSORS Method of detection Sensing distance Part Light-ON operation number Dark-ON operation Through-beam 1 m (3.28 ft) E3HT-1E1 E3HT-1E2 Diffuse reflective 3.5 cm (1.38 in) E3HT-DS3E1 E3HT-DS3E2 Connector style — E3HT-DS3E1-M1J — ■ REPLACEMENT PARTS Description Mounting hardware set, includes two mounting nuts and lock washers 2 Part number M8-MHWS E3HT E3HT Specifications Part number E3HT-1E E3HT-D3E Method of detection Supply voltage Current consumption Through-beam 12 to 24 VDC Emitter: 25 mA max. Receiver: 15 mA max. 1 m (3.28 ft) Diffuse reflective Sensing distance Light source Detectable object type Operation mode Sensitivity Mutual interference protection Control DC Type solid output Max. load state Response time Max. on-state voltage drop On Off Circuit protection Indicators Materials Mounting Connections Lens Case Prewired Weight Enclosure ratings Approvals Ambient temperature UL NEMA IEC 144 Operating Storage 30 mA max. Opaque materials, 6 mm (0.24 in) min. dimension Light-ON: E3HT-E1 Dark-ON: E3HT-E2 Fixed Not provided NPN and TTL Logic Load (relay, sink) logic: 80 mA Voltage (source) logic: 1.5 to 3 mA 1 VDC at 80 mA 3.5 cm (1.38 in) with 3 x 3 cm (1.18 x 1.18 in) 90% reflectance white mat paper Pulse modulated infrared LED Opaque materials 5 ms max. 3 ms max. 5 ms max. 3 ms max. Short circuit and reverse polarity protection Emitter: Power On (red LED) Light Incident (red LED) Receiver: Light Incident (red LED) Plastic Metal, nickel-plated brass M8 threaded body, two nuts and lock washers provided Emitter: 2-conductor cable, 3-conductor cable, 2 m (6.56 ft) 2 m (6.56 ft) length Receiver: 3-conductor cable, 2 m (6.56 ft) length Emitter: 40 g (1.4 oz.) 45 g (1.6 oz.) Receiver: 45 g (1.6 oz.) 1 1, 3, 4X, 6, 12 IP66 CE -25° to 55°C (-13° to 131°F) -30° to 70°C (-22° to 158°F) ■ OUTPUT CIRCUIT DIAGRAM Note: IEC colors are shown in parentheses. 3 E3HT-DS3E1-M1J E3HT E3HT ■ TIMING CHARTS Light-ON operation mode Dark-ON operation mode Light Light Incident Interrupted Incident Interrupted Light incident indicator ON OFF Light incident indicator ON OFF Output transistor ON OFF Output transistor ON OFF Load (between +V and output) ON OFF Load (between +V and output) ON OFF Voltage logic (between 0 V and output) ON OFF Voltage logic (between 0 V and output) ON OFF Engineering Data ■ EXCESS GAIN Through-beam type Diffuse reflective type ■ PARALLEL OFFSET ■ OPERATING RANGE Through-beam type Diffuse reflective type 4 E3HT E3HT Dimensions Unit: mm ■ THROUGH-BEAM TYPE ■ DIFFUSE REFLECTIVE TYPE Mounting Do not exceed the torque listed in the table below when tightening the mounting nuts. Drawing section Length Maximum allowable torque A Front 12 mm (0.47 in) 20 kg-cm 17.3 in-lbs B Back 18 mm (0.71 in) 30 kg-cm 26 in-lbs OMRON ELECTRONICS LLC OMRON ON-LINE OMRON CANADA, INC. One East Commerce Drive Schaumburg, IL 60173 Global - http://www.omron.com USA - http://www.omron.com/oei Canada - http://www.omron.com/oci 885 Milner Avenue Scarborough, Ontario M1B 5V8 1-800-55-OMRON Cat. No. CEDSAX4 11/01 Specifications subject to change without notice. 5 416-286-6465 Printed in the U.S.A.