A-22
BA Series
※The temperature or humidity mentioned in Environment indicates a non freezing or condensation environment.
Features
● Realization of long sensing distance (2m) by special optical design
● Protection structure IP64(IEC standard)
● Built-in stability indicator
● Includes sensitivity adjustment function
● 2 color LED display
Small, diffuse reflective type with long sensing distance
Specifications
Model NPN open collector BA2M-DDT BA2M-DDTD
PNP open collector BA2M-DDT-P BA2M-DDTD-P
Sensing type Diffuse reective
Sensing distance 2m(Non-glossy white paper 200×200mm)
Sensing target Translucent, opaque materials
Hysteresis Max. 20% at sensing distance
Response time Approx. 1ms
Power supply 12-24VDC ±10%(Ripple P-P : Max. 10%)
Current consumption Max. 15mA(Max. 30mA when the output is ON)
Light source Infrared LED(850nm)
Sensitivity adjustment Built-in the adjustment VR
Operation mode Light ON Dark ON
Control output
NPN or PNP open collector output
●Load voltage : Max. 26.4VDC ●Load current : Max. 100mA
●Residual voltage - NPN : Max. 1V, PNP : Min. 2.5V
Protection circuit Reverse polarity protection, output short-circuit protection
Indicator ●Operation indicator : red ●Stability indicator : orange(Light ON), green(Dark ON)
Insulation resistance Min. 20MΩ(at 500VDC megger)
Noise resistance ±240V the square wave noise(pulse width : 1㎲) by the noise simulator
Dielectric strength 1000VAC 50/60Hz for 1minute
Vibration 1.5mm amplitude or 300m/s2 at frequency of 10 to 55Hz(for 1 min.) in each of X, Y, Z directions for 2 hours
Shock 100m/s²(approx. 10G) in each of X, Y, Z directions for 3 times
Environ-
ment
Ambient illumination Sunlight : Max. 11,000㏓, Incandescent lamp : Max. 3,000㏓(Receiving illumination)
Ambient temperature -25 to 55℃, storage : -25 to 70℃
Ambient humidity 35 to 85%RH, storage : 35 to 85%RH
Protection IP64(IEC standard)
Material Case: ABS, Sensing part: PC, Indicator: PC, VR: IXEF
Cable ø3, 3-wire, Length : 2m
(AWG24, Core diameter: 0.08mm, Nunber of cores: 40, Insulator out diameter: ø1)
Accessory VR adjustment driver
Approval
Unit weight Approx. 50g
Please read “Caution for your safety” in operation
manual before using.
A-23
(A)
Photo
electric
sensor
(B)
Fiber
optic
sensor
(C)
Door/Area
sensor
(D)
Proximity
sensor
(E)
Pressure
sensor
(F)
Rotary
encoder
(G)
Connector/
Socket
(H)
Temp.
controller
(I)
SSR/
Power
controller
(J)
Counter
(K)
Timer
(L)
Panel
meter
(M)
Tacho/
Speed/ Pulse
meter
(N)
Display
unit
(O)
Sensor
controller
(P)
Switching
mode power
supply
(Q)
Stepper
motor&
Driver&Controller
(R)
Graphic/
Logic
panel
(S)
Field
network
device
(T)
Software
(U)
Other
Diffuse Reective type with Long Sensing Distance
Connections
Control output diagram
● NPN open collector output ● PNP open collector output
Photoelectric sensor circuit Connection
(Brown)+V
(Black)Output
(Blue)0V
12-24VDC
±10%
Max. 100mA
Load
Over
current
protection
Main circuit
+
-
Photoelectric sensor circuit Connection
12-24VDC
±10%
(Brown)+V
(Blue)0V
Max. 100mA
Load
Over
current
protection
(Black)Output
Main circuit
+
-
Sensing
target
+
-
(Brown)
12-24VDC
(Black)Output
(Blue)
Dimensions
(unit: mm)
Feature data
Cable:ø3, 2m
Adjustment VR
2color LED
M3 Bolt
10
19
18.5
15.5
7.5 8
41.5
3.5
16 16
4.7
48.5
34.5
(Operation/Stability
indicator)
Sensing area characteristic
Sensing
target
ℓ1
ℓ1 ℓ1
Left RightCenter
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
060 40 20 0 -20 -40 -60
Sensing distance L(m)
Sensing area(mm)
Sensing distance
against the target size
Sensing target size(mm)
(Standard targets : 200×200mm)
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
050 80 100 150 200
Sensing distance L(m)
Sensing distance
against the target color
In case non-glossy white paper is 100%
(%)
100
90
75
60
45
30
15
0
White Yellow Red Blue
Black
A-24
BA Series
Operation mode
If the control output terminal is short-circuit or over current than the rated current flows the unit, the sensor does not
operate normally by protection circuit.
Mounting and sensitivity adjustment
● Light ON
● Dark ON
● Adjustment
1. When sensing the object, set the sensitivity adjustment
VR in stable Light ON area(orange: Light On, green:
Dark 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,
then turn the adjustment VR until position ⓐ where the
operation indicator turns ON from min. position of the
adjustment VR.
4. Take the target out of the sensing area, then turn the
adjustment VR until position ⓑ where the the operation
indicator turns ON. If the indicator dose not turn ON,
max. position is ⓑ.
5. Set the adjustment VR at the center of two switching
position ⓐ, ⓑ.
※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.
(Control output according to amount of receiving light)
Unstable light ON area
Stable light OFF area
Stability indicator
(orange LED)
Transistor output
Light ON
operation
High
Incident
light
level
Low
ON
OFF
ON
OFF
ON
OFF
Stable light ON area
Unstable light OFF area Operation
level
Operation indicator
(red LED)
(Control output according to amount of receiving light)
Unstable light ON area
Stable light OFF area
Stability indicator
(green LED)
Transistor output
Light ON
operation
High
Incident
light
level
Low
ON
OFF
ON
OFF
ON
OFF
Stable light ON area
Unstable light OFF area Operation
level
Operation indicator
(red LED)
● Optical axis adjustment
Optimal
position
Sensing
target
MIN. MAX.
ⓐ
ⓑ
Mount this unit at center position where the stability
indicator turns ON as moving the unit toward right or left,
up or down.
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 ;
