Long Distance Reflective Switch OPB720A and OPB720B Series

Transcription

1 OPB7A and OPB7B Series Features:. to 1 (1 mm to 35 mm) with 9% reflective material. (Typical Maximum detection distance to be set at factory) Recognizes objects as small as. ( mm) Ambient light rejection < K Lux Open collector output Cable length 39 (99 mm) lead length AWG wire Description: The OPB7A and OPB7B Series reflective switches detects objects as far away as 1 (35 mm) using standard 9% reflective material, and can detect objects as small as. ( mm). The OPB7 series consist of three standard reflective switching distances Z for typically (15 mm), 1Z for typically 1 (35 mm) and 3VZ for typically 3 (7 mm). The power supply voltage range of the OPB7A series is to 3 volts while the power supply voltage range for the OPB7B is to 7 volts. The OPA7A and OPB7B 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 OPB7 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 OPB7 series can be used in either a reflective or interruptive mode. As an example, the OPB7A1Z can easily be used in a reflective mode for distances around 1 (35 mm) while when reflecting off a retroreflective target similar to 3M 37 or Nippon Crystallite at distances around 5 (1 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 OPB7 series devices. The OPB7 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 Nearfocus security systems Hand wash and soap dispensing stations Toilet and urinal sensors Product dispensing systems Vcc Part Number OPB7AZ OPB7BZ OPB7A1Z OPB7B1Z OPB7A3VZ OPB7B3VZ Ordering Information Description Maximum detection of. to (1. mm to 15 mm) 39 (991 mm) lead length with AWG wire, using white 9% Maximum detection of. to 1 (1. mm to 35 mm) 39 (991 mm) lead length with AWG wire, using white 9% Maximum detection of. to 3 (1. mm to 7 mm) 39 (991 mm) lead length with AWG wire, using white 9% Electronics Ground Output OPB7A3VZ & OPB7B3VZ ONLY Additional laser safety information can be found on the Optek website. See application #1. 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 Technology Inc. 15 Wallace Drive, Carrollton, Texas 75 Phone: (97) 33 or () 3177 FAX: (97) 3339 sensors@optekinc.com Issue F.1 1/ Page 1 of 5

2 OPB7A and OPB7B Series Pin # Description Red V CC White Output Black Ground DIMENSIONS ARE IN: [ MILLIMETERS] INCHES Absolute Maximum Ratings (T A =5 C unless otherwise noted) Operating Temperature Range OPB7A Series C to + 5 C OPB7B Series C to + 7 C Storage Temperature Range C to + C Lead Soldering Temperature (1/1 (1. mm) from case for 5 seconds with soldering iron) C (1) Supply Voltage (V CC ) OPB7A Series OPB7B Series Maximum Collector Voltage Collector DC Current (Sink) Power Dissipation Electrical Characteristics (T A = 5 C unless otherwise noted) SYMBOL PARAMETER MIN TYP MAX UNITS TEST CONDITIONS to 3 Volts to 7 Volts 3 V 5 ma 3 mw V OL Low Level Output Voltage OPB7A Series OPB7B Series.. V V CC = Volts, Note V CC = Volts, Note V OH High Level Output Voltage OPB7A Series OPB7B Series V V CC = Volts, Note 5 V CC = Volts, Note 5 Notes: (1) RMA flux is recommended. Duration can be extended to seconds maximum when flow soldering. () Distance for OPB7AZ= (15 mm), Distance for OPB7A1Z=1 (35mm), Distance for OPB7A3VZ=3 (7 mm) (3) OPB7A3VZ & OPB7B3VZ are class 1M laser safety device. Do Not look at the device closer than ( mm) with a magnifying device. () R L = K, V CE = V CC Distance = See Note & 3, (No Target) (5) R L = K, V CE = V CC, (9% Reflective Surface, Kodak EK E15779) Issue F.1 1/ Page of 5 OPTEK Technology Inc. 15 Wallace Drive, Carrollton, Texas 75 Phone: (97) 33 or () 3177 FAX: (97) 3339 sensors@optekinc.com

3 OPB7A and OPB7B Series 1 Voltage Response vs Displacement OPB7AZ OPB7AZ or OPB7BZ Kodak 9% toward Kodak 9% away Coporate toward Coporate away Avery 5 toward Avery 5 away '' '' '' '' '' '' 1 Voltage Response vs Displacement OPB7AZ OPB7AZ or OPB7BZ Nippon Crystallite toward Nippon Crystallite away 3M 37 toward 3M 37 away '' 5'' 5'' 55'' '' 5'' 7'' OPTEK Technology Inc. 15 Wallace Drive, Carrollton, Texas 75 Phone: (97) 33 or () 3177 FAX: (97) 3339 sensors@optekinc.com Issue F.1 1/ Page 3 of 5

4 OPB7A and OPB7B Series 1 OPB7A1Z OPB7A1Z or OPB7B1Z Kodak 9% toward Kodak 9% away Copy Paper toward Copy Paper away Avery 5 toward Avery 5 away '' '' '' '' '' '' 1'' 1'' 1'' 1'' '' 1 OPB7A1Z OPB7A1Z or OPB7B1Z Nippon Crystallite toward Nippon Crystallite away 3M 37 toward 3M 37 away '' 7'' '' 9'' '' 1'' Issue F.1 1/ Page of 5 OPTEK Technology Inc. 15 Wallace Drive, Carrollton, Texas 75 Phone: (97) 33 or () 3177 FAX: (97) 3339 sensors@optekinc.com

5 OPB7A and OPB7B Series 1 OPB7A3VZ OPB7A3VZ or OPB7B3VZ Normalized Output Level 9% Kodak Towards 9% Kodak Away Copy Paper Towards Copy Paper Away Avery 5 Towards Avery 5 Away 5'' 3'' 35'' '' 5'' 5'' Typical Switching Distance (inches) 1 OPB7A3VZ OPB7A3VZ or OPB7B3VZ Normalized Output Level Nippon Crystallite Towards Nippon Crystallite Away 3M 37 Towards 3M 37 Away '' 15'' 17'' 195'' '' Typical Switching Distance (inches) OPTEK Technology Inc. 15 Wallace Drive, Carrollton, Texas 75 Phone: (97) 33 or () 3177 FAX: (97) 3339 sensors@optekinc.com Issue F.1 1/ Page 5 of 5