BA Series
Small, Diffuse Reflective Type with Long Sensing Distance
SENSORS
Features
● Realization of long sensing distance (2m) by special optical design
CONTROLLERS
● Protection structure IP64 (IEC standard)
● Built-in stability indicator
● Includes sensitivity adjustment function MOTION DEVICES
● 2 color LED display
SOFTWARE
Please read “Safety Considerations”
in the instruction manual before using.
Specifications (A)
Photoelectric
Sensors
NPN open collector BA2M-DDT BA2M-DDTD
Model (B)
PNP open collector BA2M-DDT-P BA2M-DDTD-P Fiber Optic
Sensors
Sensing type Diffuse reflective
Sensing distance 2m (non-glossy white paper 200×200mm) (C)
LiDAR
Sensing target Translucent, opaque materials
(D)
Hysteresis Max. 20% at sensing distance Door/Area
Sensors
Response time Approx. 1ms
Power supply 12-24VDC ±10% (ripple P-P: max. 10%) (E)
Vision
Sensors
Current consumption Max. 15mA (max. 30mA when the output is ON)
Light source Infrared LED (850nm) (F)
Proximity
Sensors
Sensitivity adjustment Sensitivity adjuster
Operation mode Light ON Dark ON (G)
Pressure
NPN or PNP open collector output Sensors
Control output ●Load voltage: max. 26.4VDC ●Load current: max. 100mA
●Residual voltage - NPN: max. 1VDCᜡ, PNP: min. 2.5VDC (H)
Rotary
Protection circuit Reverse polarity protection circuit, output short overcurrent protection circuit Encoders
Indicator ●Operation indicator: red LED ●Stability indicator: orange LED (light on), green LED (dark on) (I)
Connectors/
Connector Cables/
Insulation resistance Over 20MΩ (at 500VDC megger) Sensor Distribution
Boxes/ Sockets
Noise immunity ±240V the square wave noise (pulse width: 1㎲) by the noise simulator
Dielectric strength 1000VAC 50/60Hz for 1 minute
Vibration 1.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 2 hours
Shock 100m/s² (approx. 10G) in each X, Y, Z direction for 3 times
Ambient illumination Sunlight: max. 11,000㏓, incandescent lamp: max. 3,000㏓ (receiving illumination)
Environ-
Ambient temperature -25 to 55℃, storage: -25 to 70℃
ment
Ambient humidity 35 to 85%RH, storage: 35 to 85%RH
Protection structure IP64 (IEC standard)
Material Case: acrylonitrile butadiene styrene, sensing part: polycarbonate, indicator: polycarbonate, adjuster: IXEF
Ø3mm, 3-wire, 2m
Cable
(AWG24, core diameter: 0.08mm, number of cores: 40, insulator out diameter: Ø1mm)
Accessory Adjuster driver
Approval
Unit weight Approx. 50g
※The temperature or humidity mentioned in Environment indicates a non freezing or condensation environment.
A-55
BA Series
Feature Data
Sensing distance Sensing distance
Sensing area characteristic
against the target size against the target color
(%) White Yellow Red Blue
2.2 2.2
2.0 2.0 100
Sensing distance L (m)
Sensing distance L (m)
1.8 1.8 90
Sensing 1.6 1.6
1.4 75
target 1.4
1.2 1.2 60
1.0 1.0 45
ℓ1 0.8 0.8
0.6 30 Black
0.6
0.4 0.4 15
0.2 0.2
0 0
0
60 40 20 0 20 40 60 50 80 100 150 200
ℓ1 ℓ1
Sensing target size (mm) In case non-glossy white paper is 100%
Left Center Right
Sensing area (mm) (standard targets: 200×200mm)
Control Output Diagram
● NPN open collector output ● PNP open collector output
Photoelectric sensor circuit Connection Photoelectric sensor circuit Connection
(brown) +V (brown) +V
Load Output short
(black) Output over current
Main circuit
Max. 100mA
Main circuit
protection
+ circuit +
Output short 12-24VDC (black) Output 12-24VDC
Max. 100mA - -
over current
protection Load
circuit (blue) 0V (blue) 0V
※If short-circuit the control output terminal or supply current over the rated specification, normal control signal is not output
due to the output short over current protection circuit.
Connections
(brown)
+
12-24VDC
-
(blue)
Sensing (black)Output
target
Dimensions
(unit: mm)
4.7
18.5
Sensitivity adjuster
48.5
41.5
34.5
16
8
15.5
7.5
2color LED
(operation/stability
16
19
indicator)
3.5
M3 Bolt
Ø3, 2m
10
A-56
Diffuse Reflective Type with Long Sensing Distance
Operation Mode
If the control output terminal is short-circuit or over current than the rated current flows the unit, the sensor does not SENSORS
operate normally by protection circuit.
● Light ON CONTROLLERS
High
Stable light ON area
MOTION DEVICES
Unstable light ON area
Incident
light
Unstable light OFF area level Operation
level SOFTWARE
Stable light OFF area
Low
Stability indicator ON
(orange LED) OFF
Operation indicator ON
(red LED) OFF
Light ON (A)
operation Photoelectric
Sensors
Transistor output ON
OFF
(B)
(control output according to amount of receiving light) Fiber Optic
Sensors
● Dark ON
High (C)
Stable light ON area LiDAR
Unstable light ON area
Incident (D)
Door/Area
light Sensors
Unstable light OFF area level Operation
level
(E)
Vision
Stable light OFF area Sensors
Low
(F)
Stability indicator ON Proximity
Sensors
(green LED) OFF
Operation indicator ON (G)
Pressure
(red LED) OFF Sensors
Light ON
operation
Transistor output ON (H)
OFF Rotary
Encoders
(control output according to amount of receiving light)
(I)
Connectors/
Mounting and Sensitivity Adjustment Connector Cables/
Sensor Distribution
Boxes/ Sockets
Install the sensor to the desired place and check the connections.
Supply the power to the sensor and adjust the optical axis and the sensitivity as follow ;
When using photoelectric sensors closely over two units,
it may result in malfunction due to mutual interference.
● Adjustment
When installing the product, tighten the screw with a 1. When sensing the object, set the sensitivity adjuster in
tightening torque of 0.5N.m. stable Light ON area (orange: Light ON, green: Dark
● Optical axis adjustment ON) as shown ‘ Operation mode’.
2. The sensitivity should be adjusted depending on a
ⓐ sensing target or mounting place.
3. Set the target at a position to be detected by the beam,
Optimal
position then turn the sensitivity adjuster until position ⓐ where
Sensing
target
the operation indicator turns ON from min. position of the
ⓑ sensitivity adjuster
MIN. MAX. 4. Take the target out of the sensing area, then turn the
sensitivity adjuster until position ⓑ where the operation
indicator turns ON. If the indicator dose not turn ON,
max. position is ⓑ.
Mount this unit at the center where the stability indicator
5. Set the sensitivity adjuster at the center of two switching
turns ON with moving the unit toward right or left, up or
position ⓐ, ⓑ.
down.
※The sensing distance indicated on specification chart is
for 200×200mm of non-glossy white paper. Be sure that
it can be different by size, surface and gloss of target.
A-57