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Wide scanning angle !

Super-small size !

  • Infra-red LED light source, distance measurement type obstacle detector.
  • Fine settings available for each pattern, greatly improved than normal reflective photo sensors.
  • Scanning angle: 180°

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-> It is 60% smaller than PB9 in volume. Scanning angle(Detection field) is increased to 180° and detection dead zone got smaller.
-> Operation principle: The detection field is scanned by LED (lambda = 880nm), objects coordinates are calculated, then obstacle presence in the setting area is detected..
-> Detection area is configurable by PC(RS-232C). For each area, it is possible to configure 3 outputs.
-> It is possible to switch the 15 detection areas configured by PC using external inputs.

Structure(Light scanning image)




Typical applications



Model No.PBS-03JN
Power source24VDC(Allowable range 18 to 30VDC including ripple)
Current consumption250mA or less(100mA or less when emission stops)
Except for I/O terminal current and rush current(500mA)
Light sourceInfra-red LED
Detectable object and detection areaWhite paper with 300×300mm(Placed in parallel with sensor projection surface), 0.2 to 3m×2m(Origin point is the scanning center position) and within scanning angle 180°
Area settingOutput 1It is configurable from 0 to 10m in optical axis direction with 7 points.
Output 2,3Linear or fan-shaped setting in optical axis direction,
Percentage setting is a ratio of output 1
2 scans modeIt is configurable for each output of each area.
Hysteresis10% of detection distance or less (it does not get less than 60mm)
OutputPhoto-coupler/NPN open-collector output(30VDC 50mA or less)
Output 1,2,3 : output OFF when obstacle is area, malfunction output : output ON when operating normally*
Inputs (1 to 4)Photo-coupler input (Common anode, each input current is 4mA or more), They control the current detection area.
Detection area settingIt is switched by inputs (1 to 4)
Emission is stopped when all inputs(1 to 4) are ON
(OFF : H level input, ON : L level input)
Output response time180msec or less(Scanning speed 1 rev./100msec)
280msec or less when 2 scan mode (except for 100msec, area switching time)
Input response timeInput capture period : 1 scan time (100msec)
LEDsPower LED(Green) : Flickered when trouble
Output 1, 2 and 3 LED(Orange) : Lights up when obstacle is in area
Connection1m flying leads cable
Ambient illuminance(note)Halogen/mercury lamp : 10,000lx or less, Fluorescent lamp : 6,000lx or less
Ambient temperature/humidity-10 to +50 degrees C, 85%RH or less(No condensation, no icing)
Vibration resistance10 to 55Hz, double amplitude 1.5mm, 2 hour in each X, Y and Z directions
Impact resistance490m/s2, 10 time in each X, Y and Z directions
Protective structureIP64(IEC standard)
Lifespan5 years(motor life)
MaterialsFront case : Polycarbonate, rear case : ABS
WeightApprox. 500g

* Output 1 to 3 are OFF when malfunction output is OFF.
Note) Strong light such as sun light may introduce a sensor malfunction.

External dimension

pbs ed 1456123961

Note: Detection area is 180°

I/O circuit

I/O Circuit

Input/output circuit

pbs inout 1456124074


BlackOutput 1
WhiteOutput 2
White(Blue)Output 3
OrangeTrouble output
GrayOutput common minus
RedInput common plus
GreenInput 1
YellowInput 2
PurpleInput 3
White(Yellow)Input 4
Yellow(Red)Serial input(RXD)
Yellow(Green)Serial output(TXD)
Yellow(Black)Serial GND

Note)Input/output direction is mentioned on the basis of PBS.

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