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| Long Distance Reflective Switch OPB720A and OPB720B Series Features: * 0.04" to 12" (1 mm to 305 mm) with 90% reflective material. * * * * (Typical Maximum detection distance to be set at factory) Recognizes objects as small as 0.08" (2 mm) Ambient light rejection < 100K Lux Open collector output Cable length 39" (990 mm) lead length 28 AWG wire Product Photo Here Description: The OPB720A and OPB720B Series reflective switches detects objects as far away as 12" (305 mm) using standard 90% reflective material, and can detect objects as small as 0.08" (2 mm). The OPB720 series consist of three standard reflective switching distances -06Z for typically 6" (152 mm), -12Z for typically 12" (305 mm) and -30VZ for typically 30" (762 mm). The power supply voltage range of the OPB720A series is 10 to 30 volts while the power supply voltage range for the OPB720B is 4 to 7 volts. The OPA720A and OPB720B sensors are NOT affected by ambient light in most conditions. Ambient light conditions are compensated by using a synchronous driver detection scheme. This sensor has a logical output that switches from a high level with reflective target to a low level with no reflective target. With the addition of hysteresis, the OPB720 series minimizes output switching oscillations. The type of material used for the target is very dependent on the distance that can be achieved for the sensor. Taking this into consideration, the OPB720 series can be used in either a reflective or interruptive mode. As an example, the OPB720A-12Z can easily be used in a reflective mode for distances around 12" (305 mm) while when reflecting off a retro-reflective target similar to 3M 3870 or Nippon Crystallite at distances around 85" (216 mm) the device works well in the interruptive mode. See the included charts for typical distances with different reflective material for other versions of the OPB720 series devices. The OPB720 series has an open collector output transistor and power requirements are compatible with most PLCs and TTL gates. Applications: * * * * * * Conveyer belt package recognition Personnel movement recognition Near-focus security systems Hand wash and soap dispensing stations Toilet and urinal sensors Product dispensing systems OPB720A-06Z OPB720B-06Z OPB720A-12Z OPB720B-12Z OPB720A-30VZ OPB720B-30VZ Part Number Ordering Information Description Maximum detection of 0.04" to 6" (1.0 mm to 152 mm) 39" (991 mm) lead length with 28 AWG wire, using white 90% reflective paper Maximum detection of 0.04" to 12" (1.0 mm to 305 mm) 39" (991 mm) lead length with 28 AWG wire, using white 90% reflective paper Maximum detection of 0.04" to 30" (1.0 mm to 762 mm) 39" (991 mm) lead length with 28 AWG wire, using white 90% reflective paper Vcc Electronics Output Ground Additional laser safety information can be found on the Optek website. See application #221. Classification is not marked on the device due to space limitations. See package outline for centerline of optical radiance. Operating devices beyond maximum rating may cause devices to exceed rated classification RoHS OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. Issue F 07/07 Page 1 of 5 OPTEK Technology Inc. -- 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com Long Distance Reflective Switch OPB720A and OPB720B Series Pin # Description Red White Black VCC Output Ground DIMENSIONS ARE IN: [ MILLIMETERS] INCHES Absolute Maximum Ratings (TA=25C unless otherwise noted) Operating Temperature Range OPB720A Series OPB720B Series Storage Temperature Range Lead Soldering Temperature (1/16" (1.6 mm) from case for 5 seconds with soldering iron) Supply Voltage (VCC) OPB720A Series OPB720B Series Maximum Collector Voltage Collector DC Current (Sink) Power Dissipation 0 C to + 50 C 0 C to + 70 C -40 C to + 80 C 260 C(1) 10 to 30 Volts 4 to 7 Volts 30 V 50 mA 300 mW Electrical Characteristics (TA = 25C unless otherwise noted) SYMBOL VOL PARAMETER Low Level Output Voltage OPB720A Series OPB720B Series High Level Output Voltage OPB720A Series OPB720B Series MIN 5.0 3.5 TYP MAX 0.8 0.8 UNITS TEST CONDITIONS VCC = 10 Volts, Note 4 VCC = 4 Volts, Note 4 VCC = 10 Volts, Note 5 VCC = 4 Volts, Note 5 V VOH V Notes: (1) RMA flux is recommended. Duration can be extended to 10 seconds maximum when flow soldering. (2) Distance for OPB720A-06Z=6 " (152 mm), Distance for OPB720A-12Z=12" (305mm), Distance for OPB720A-30VZ=30" (762 mm) (3) OPB720A-30VZ & OPB720B-30VZ are class 1M laser safety device. Do Not look at the device closer than 4" (100 mm) with a magnifying device. (4) RL = 10 K, VCE = VCC Distance = See Note 2 & 3, (No Target) (5) RL = 10 K, VCE = VCC, (90% Reflective Surface, Kodak--EK E152-7798) OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. Issue F 07/07 Page 2 of 5 OPTEK Technology Inc. -- 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com Long Distance Reflective Switch OPB720A and OPB720B Series Voltage Response vs Displacement OPB720A-06Z OPB720A-06Z or OPB720B-06Z 12 10 Typical Response Voltage Kodak 90% toward 8 Kodak 90% away Coporate toward 6 Coporate away 4 Avery 5160 toward Avery 5160 away 2 0 0'' 2'' 4'' 6'' 8'' 10'' Typical Displacement (inches) Voltage Response vs Displacement OPB720A-06Z OPB720A-06Z or OPB720B-06Z 12 10 Typical Response Voltage 8 Nippon Crystallite toward Nippon Crystallite away 6 3M 3870 toward 3M 3870 away 4 2 0 40'' 45'' 50'' 55'' 60'' 65'' 70'' Typical Displacement (inches) OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. OPTEK Technology Inc. -- 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com Issue F 07/07 Page 3 of 5 Long Distance Reflective Switch OPB720A and OPB720B Series Voltage Response vs Displacemnent OPB720A-12Z OPB720A-12Z or OPB720B-12Z 12 10 Typical Response Voltage Kodak 90% toward 8 Kodak 90% away Copy Paper toward 6 Copy Paper away 4 Avery 5160 toward Avery 5160 away 2 0 0'' 2'' 4'' 6'' 8'' 10'' 12'' 14'' 16'' 18'' 20'' Typical Displacement (inches) Voltage Response vs Displacemnent OPB720A-12Z OPB720A-12Z or OPB720B-12Z 12 10 Typical Response Voltage 8 Nippon Crystallite toward Nippon Crystallite away 6 3M 3870 toward 3M 3870 away 4 2 0 60'' 70'' 80'' 90'' 100'' 110'' Typical Displacement (inches) OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. Issue F 07/07 Page 4 of 5 OPTEK Technology Inc. -- 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com Long Distance Reflective Switch OPB720A and OPB720B Series Voltage Response vs Displacemnent OPB720A-36VZ OPB720A-30VZ or OPB720B-30VZ 12 10 90% Kodak Towards Normalized Output Level 8 90% Kodak Away Copy Paper Towards 6 Copy Paper Away Avery 5160 Towards 4 Avery 5160 Away 2 0 25'' 30'' 35'' 40'' 45'' 50'' Typical Switching Distance (inches) Voltage Response vs Displacemnent OPB720A-36VZ OPB720A-30VZ or OPB720B-30VZ 12 10 Normalized Output Level 8 Nippon Crystallite Towards 6 Nippon Crystallite Away 3M 3870 Towards 4 3M 3870 Away 2 0 120'' 145'' 170'' 195'' 220'' Typical Switching Distance (inches) OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible. OPTEK Technology Inc. -- 1645 Wallace Drive, Carrollton, Texas 75006 Phone: (972) 323-2200 or (800) 341-4747 FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com Issue F 07/07 Page 5 of 5 |
Price & Availability of OPB720B-06Z
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