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< Marsh Bellofram Group of Companies < Automatic Timing & Controls < Sensors < 7703 Photoelectric Sensor
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7703 Series Photoelectric Sensor
  • Narrow Beam for Small Object Detection
  • Input 10-30 VDC, Dual Output (PNP & NPN)
  • Separate Power and Signal LED’s
  • Retroreflective and Diffuse
  • PICO Style Quick Disconnect or 6" Pig Tail Available
  • Designed for NEMA 6 / IP67
Product Detail:
The 7700 Series Laser provides a method for photoelectric detection of a small object over long distances. The laser-diode sensing device maintains a tiny spot size, with little divergence over distances up to 100 feet using a 2" X 2" retroreflector. This allows for long range detection of small objects. The unit provides precise leading and trailing edge detection of products on conveyors and packaging machinery. Sensing of very tightly spaced small objects is also possible for purposes of counting and batching.
Part Numbers:
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770
xx
04
N
3
 B xx
Type
3AR
04
N
3
B
QP

Retro Reflective

Polarized Retro Reflective
3BR
Operation
On/Off
Power Requirements
10-30 VDC
Beam Type
Laser
Output
Bi-Polar (NPN & PNP)
Features
Quick Disconnect Standard (PICO M8 4 PIN
Special
K
Pig Tail 6 in. Standard (micro 4 Pin)
PT
NOTE: 2" Reflector and mounting bracket shipped with unit.
Options:
ACCESSORIES
7700-025-01-00
Connector/Cable, 4 Pin m8x1 pico/2 meters
7700-025-01-05
5 meter cable
7700-025-01-10
10 meter cable
0000-181-61-01
1 ft. length, 1" reflective tape, high efficiency, exposed lens not protected by plastic film, adhesive backed.
0000-181-62-01
1 ft. length, 1" reflective tape, medium efficiency,protected with clear plastic film, adhesive backed.
0000-181-63-01
1 ft. length, 1" reflective tape, low efficiency, exposed lens, high temp., adhesive backed.
7022-210-04-00
5/8" diameter Retro-reflector
0000-181-64-01
1 ft. length reflective tape, used with the polarized retroreflective model
Cart:
7703
Product Contact:
Sales Contact
Technical Contact
Specifications:
Supply Voltage 10 to 30 VDC
Supply Current 30 mA maximum
Output Configuration One current sourcing (PNP) and one current sinking (NPN) open collector transistor
Output Mode Set by “Light ON” / “Dark ON” switch
Output Rating 200 mA maximum each output. Output saturation less than 0.2 volts @ 10mA  and less than 0.6 volts at 200 mA
Output Protection Protected against current overload, inductive transients, no false pulse on power-up
Response Time less than 2 ms, >500 Hz
Sensing Range Retroreflective 100 ft. with 2" X 2" reflector, ATC p/n 0000-181-52-00, Minimum target object size 2" X 2" (At maximum intensity, the unit may prox out to 36")
Diffuse (proxing) 12 in. with .25" X .25" Kodak 90% white card
Indicators Power Red
Output on Green
Adjustments Single turn intensity control, two position Light operate or Dark operate
Sensing Beam 670 nm visible red
Average Output Power 150 µW
Housing NEMA 6
Connector 4 pin, M8x1, pico style. Pin 1 - power, Pin 2 - NPN output, Pin 3 - common, Pin 4 - PNP output
Pig Tail 6" cable PVC .175 dia. micro connector 4 pin
Operating Temperature 32° to 104°F (0 to 40°C)
Weight < 2 oz.