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DRW171447AA

Photoelectric Sensor

BA SERIES

I N S T R U C T I O N M A N U A L

Thank you for choosing our Autonics product.

Please read the following safety considerations before use.

Safety Considerations

※ Please observe all safety considerations for safe and proper product operation to avoid

hazards.

※

symbol represents caution due to special circumstances in which hazards may occur.

Warning

Failure to follow these instructions may result in serious injury or death.

Caution

Failure to follow these instructions may result in personal injury or product damage.

Warning

1. Fail-safe device must be installed when using the unit with machinery that may

cause serious injury or substantial economic loss. (e.g. nuclear power control,

medical equipment, ships, vehicles, railways, aircraft, combustion apparatus,

safety equipment, crime/disaster prevention devices, etc.)

Failure to follow this instruction may result in fire, personal injury, or economic loss.

2. Do not disassemble or modify the unit.

Failure to follow this instruction may result in fire.

3. Do not connect, repair, or inspect the unit while connected to a power source.

Failure to follow this instruction may result in fire.

4. Check 'Connections' before wiring.

Failure to follow this instruction may result in fire.

Caution

1. Use the unit within the rated specifications.

Failure to follow this instruction may result in fire or product damage.

2. Use dry cloth to clean the unit, and do not use water or organic solvent.

Failure to follow this instruction may result in fire.

3. Do not use the unit in the place where flammable/explosive/corrosive gas,

humidity, direct sunlight, radiant heat, vibration, impact, or salinity may be present.

Failure to follow this instruction may result in fire or explosion.

Ordering Information

BA 2

Control

output

NPN open collector output

PNP open collector output

Operation mode

Light ON

Dark ON

Output

Transistor output

Power supply

DC power

Sensing type

Diffuse Reflective

Sensing distance unit

Unit: m

Sensing distance

Number

Sensing distance

Item

Photoelectric sensor

series

Dimensions

41.5

3.5

2color LED

(operation . stability indicator)

M3 Bolt

48.5

34.5

Sensitivity adjuster

ø3, Cable:2m

※ The above specifications are subject to change and some models may be

discontinued without notice.

※ Be sure to follow cautions written in the instruction manual and the technical

descriptions (catalog, homepage).

Specification

NPN output

BA2M-DDT

PNP output

BA2M-DDT-P

Sensing type

Diffuse Reflective

Sensing distance

2m (non-glossy white paper 200×200mm)

Sensing target

Translucent, opaque materials

Hysteresis

Max. 20% at sensing distance

Response time

Max. 1ms

Power supply

12-24VDCᜡ ±10% (ripple P-P: max. 10%)

Current

Max. 15mA (max. 30mA when the output is ON)

consumption

Light source

Infrared LED (850nm)

Sensitivity

Sensitivity adjuster

adjustment

Operation mode

Light ON

NPN or PNP open collector output

Control output

●Load voltage: max.26.4VDCᜡ ●Load current: max.100mA

●Residual voltage - NPN: max.1VDCᜡ, PNP: max. 2.5VDC

Protection

Reverse polarity protection circuit,

circuit

output short overcurrent protection circuit

Receiver

Photo IC

Indicator

Operation: red, stability: orange (Light On), green (Dark On)

Insulation

Over 20MΩ (at 500VDC megger)

resistance

±240V the square wave noise (pulse width:1㎲)

Noise immunity

by the noise simulator

Dielectric

1,000VAC 50/60Hz for 1minute

strength

Vibration

1.5mm amplitude at frequency of 10 to 55Hz

resistance

in each of X, Y, Z directions for 2 hours

Shock

100m/s² in X, Y, Z directions for 3 times

resistance

Sunlight: max.11,000lx,

Ambient

illumination

incandescent lamp: max.3,000lx (receiver illumination)

Ambient

-25 to 55℃, storage: -25 to 70℃

temperature

Ambient

35 to 85%RH, storage: 35 to 85%RH

humidity

Protection

IP64 (IEC standards)

Material

Case: ABS, Sensing part: PC, Indicator: PC, VR: IXEF

ø3mm, 3-wire, Length: 2m(AWG24, Core diameter: 0.08mm,

Cable

Number of cores: 40, Insulator diameter: ø1mm)

Accessory

Adjuster screwdriver

Approval

Weight

Approx. 50g

※The temperature or humidity mentioned in Environment indicates a non freezing or condensation

environment.

Control Output Circuit Diagram

Photoelectric sensor circuit

Connection

(brown)+V

NPN

(black)Output

open

collector

output

Output short

overcurrent

protection circuit

(blue)0V

Photoelectric sensor circuit

Connection

(brown)+V

(unit: mm)

Output short

PNP

overcurrent

open

protection circuit

collector

output

(black)Output

(blue)0V

2.3

※ 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.

7.5

Connection

15.5

Sensing target

Detecting Distance against the Target Size

BA2M-DDTD

BA2M-DDTD-P

2.2

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

100

150

Detecting target size(mm)

Dark ON

Detecting Distance against the Target Color

(%)

White

Yellow

Red

100

Non-glossy white paper 100%

Operation Mode

● Light ON

Stable light ON

high

level

Unstable light ON

level

Incident

light

Unstable light OFF

level

Stable light OFF

level

low

Stability indicator

(Orange LED)

OFF

Operation

indicator

OFF

(Red LED)

Light ON

Load

operation

Transistor

OFF

12-24VDC

output

Max. 100mA

● Dark ON

high

Stable light ON

level

Incident

Unstable operation

light

level

Max. 100mA

12-24VDC

Stable light OFF

level

low

Load

Stability indicator

(Orange LED)

OFF

Operation

indicator

OFF

(Red LED)

Dark ON

operation

(brown)

Transistor

12-24VDC

OFF

output

(blue)

(black)Output

Mounting and Adjustment

Please check wiring after setting the target and supply the power to this sensor.

※ It shows the change of detecting

When using photoelectric sensors closely over two units, it may result in malfunction

distance by size of targets.

due to mutual interference.

Standard targets:

200×200mm

When installing the product, tighten the screw with a tightening torque of 0.5N . m.

non-glossy white paper.

● Optical axis adjustment

200

※ It shows the rate of detecting

Blue

distance by color of targets.

Mount this unit at center position where operation LED turns on as moving the unit

toward right or left, up or down

● Adjustment

Black

1. When sensing the object, set the sensitivity adjustment in stable Light ON area (orange:

Light On, green: Dark On) as shown 'operation mode chart'.

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 adjuster until position

ⓐ where the indicator turns on from min. position of the adjuster.

4. Take the target out of the sensing area, then turn the adjuster until position ⓑ where the

indicator turns on. If the indicator dose not turn on, Max. position ⓑ.

5. Set the adjuster at the center of two switching position ⓐ, ⓑ.

※ The sensing distance indicated on specification chart is for 200 X 200mm of non-glossy

white paper. Be sure that it can be different by size, surface and gloss of target.

Cautions during Use

Operating

level

1. Follow instructions in 'Cautions during Use'. Otherwise, it may cause unexpected

accidents.

2. When connecting a DC relay or other inductive load to the output, remove surge by

using diodes or varistors.

3. Use the product, 0.5 sec after supplying power.

When using separate power supply for the sensor and load, supply power to sensor

first.

4. 12-24VDC power supply should be insulated and limited voltage/current or Class 2,

SELV power supply device.

5. Wire as short as possible and keep away from high voltage lines or power lines, to

prevent inductive noise.

6. When using switching mode power supply to supply the power, ground F.G. terminal

and connect a condenser between 0V and F.G. terminal to remove noise.

7. When using sensor with the equipment which generates noise (switching regulator,

inverter, servo motor, etc.), ground F.G. terminal of the equipment.

(Control output according to amount of receiving light)

8. This unit may be used in the following environments.

①Indoors (in the environment condition rated in 'Specifications')

②Altitude max. 2,000m

③Pollution degree 3

④Installation category II

Operating

Major Products

level

Photoelectric Sensors

Fiber Optic Sensors

Door Sensors

Door Side Sensors

Area Sensors

Proximity Sensors

Pressure Sensors

Rotary Encoders

Connectors/Sockets

Switching Mode Power Supplies

Control Switches/Lamps/Buzzers

I/O Terminal Blocks & Cables

Stepper Motors/Drivers/Motion Controllers

Graphic/Logic Panels

Field Network Devices

Laser Marking System(Fiber, CO₂, Nd:YAG)

(Control output according to amount of receiving light)

Laser Welding/Cutting System

ⓐ

Optimal

position

Sensing

target

ⓑ

MIN

MAX

Temperature Controllers

Temperature/Humidity Transducers

SSRs/Power Controllers

Counters

Timers

Panel Meters

Tachometers/Pulse(Rate)Meters

Display Units

Sensor Controllers

http://www.autonics.com

HEADQUARTERS:

18, Bansong-ro 513beon-gil, Haeundae-gu, Busan,

South Korea, 48002

TEL: 82-51-519-3232

E-mail: [email protected]

DRW171447AA