LED Collimated Beam Sensor LA-300

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基本資訊

LED collimated beam type which is as accurate as a laser sensor, but much safer

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Features

Safe red LED beam

Since a red LED, harmless to the eyes, has been incorporated as the beam source, you are free from strict laser safety regulations.
Moreover, due to the red LED beam source, the measuring spot is visible, which makes positioning of the object simple.

Compact size

Its emitter and receiver are much smaller compared to those of the amplifier built-in type (LA-510). Hence, they can be installed even in a narrow space inside an automatic assembly machine, etc.

Slim type / LA-305

- Emitter:
W18 x H40 x D10 mm
W0.709 x H1.575 x D0.394 in
- Receiver:
W18 x H40 x D10 mm
W0.709 x H1.575 x D0.394 in

Span & shift adjustment

For the analog output, in addition to the span adjustment function, a convenient shift function which enables the analog voltage to be shifted by ±0.5 V has been incorporated.

Example:
To shift the analog voltage from 2.51 V to 3.00 V with a certain amount of beam interruption

Simple beam alignment

Beam alignment is easy by using the target label (accessory). Further, the 3-stage stability indicators on the amplifier indicate the incident beam level at a glance.

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Option

Designation	Model No.	Description
Digital panel controller (Note)	CA2-T2	This is a very small controller which allows two independent threshold level settings. ・Supply voltage: 24 V DC ± 10 % ・Output: NPN open-collector transistor ・No. of inputs: 1 No. (sensor input) ・Input range: 1 to 5 V DC ・Main functions: Threshold value setting function, zero-adjust function, scale setting function, hysteresis setting function, start / hold function, auto-reference function, power supply ON-delay function, etc.

Note :

If analog voltage output of LA-A1 is shifted, the input range may be exceeded. In that case, use CA2-T5 (input range ±10 V). Refer to the ultra-compact digital panel controller CA2 series.

Digital panel controller

CA2-T2

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Order guide

Sensor heads

Type	Appearance	Sensing range	Sensing width	Minimum sensing object	Model No.(Note)
Slim		300mm 11.811 in	5mm 0.197 in	ø0.05mm ø0.002 in opaque oblect	LA-305

Note:

The model No. with suffix "P" shown on the label affixed to the product is the emitter, "D" shown on the label is the receiver.
(e.g.) Emitter of LA-305: LA-305P, Receiver of LA-305: LA-305D

Amplifiers

Always use the sensor head and the amplifer together as a set.

Type	Appearance	Model No.	Output
NPN output		LA-A1	NPN open-collector transistor (Judgment output) Analog voltage ・Output voltage: 1 to 5 V

Accessories

MS-LA3-2
(Sensor head mounting bracket for LA-305) (Note)

Two M3 (length 15 mm0.591 in) screws with washers are attached.Note: 2 sets are required to mount the emitter and the receiver.

Discontinued products

* Substitute products will not guarantee the specifications of discontinued products.
Please check the specification details from catalog before use.

Discontinued product
Product number/Part number	Last time buy	Product number/Part number	Product name	Remark
Product number: LA-310 Part number: LA-310	December 28, 2008 To be discontinued	Product number:- Part number:-	Ultra-compact Laser Collimated Beam Sensor HL-T1	Suggested alternative products may be different under the conditions of use. Contact us
Product number: LA-A1P Part number: LA-A1P	September 30, 2017 To be discontinued	Product number:- Part number:-	-	Sorry, no suggested alternative products.

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Specifications

Sensor head

Type	Slim
Model No.	LA-305
Applicable amplifiers	LA-A1
Beam width	5 mm 0.197 in
Sensing range	300 mm 11.811 in
Min. sensing object	ø0.05 mm ø0.002 in opaque object
Repeatability	Perpendicular to sensing axis: 0.01 mm 0.0004 in or less
Temperature characteristics	0.2 % F.S./℃ or less
Emission indicator	-
Pollution degree	3 (Industrial environment)
Ambient temperature	0 to +40 ℃ +32 to +104 ℉ (No dew condensation), Storage: -20 to +70 ℃ -4 to +158 ℉
Ambient humidity	35 to 85 % RH, Storage: 35 to 85 % RH
Ambient illuminance	Incandescent light: 10,000 lx or less at the light-receiving face
Voltage withstandability	1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance	20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance	10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each
Shock resistance	500 m/s² acceleration (50 G approx.) in X, Y and Z directions three times each
Emitting element	Red LED (Peak emission wavelength 650 nm 0.026 mil, modulated)
Material	Enclosure: Heat-resistant ABS Cover: Heat-resistant ABS, Front cover: Glass
Cable	0.18 mm² 3-core composite cabtyre cable, 2 m 6.562 ft long
Cable extension	Extension up to total 10 m 32.808 ft is possible, for both emitter and receiver, with 0.18 mm², or more, cable. (Shield wire must be extended with shield wire.)
Net weight	Emitter: 70 g approx., Receiver: 70 g approx.
Accessories	MS-LA3-2 (Sensor head mounting bracket): 1 set for emitter and receiver, Target label: 2 pcs.

Note:
Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.

Amplifiers

Type		NPN output type
Model No.		LA-A1
Applicable sensor heads		LA-305
Supply voltage		12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption		120 mA or less (including sensor heads)
Comparative outputs (HIGH, LOW)		NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between comparative output and 0 V) ・Residual voltage: 1.5 V or less (at 100 mA sink current) 0.5 V or less (at 16 mA sink current)
	Utilization category	DC-12 or DC-13
	Response time	0.5 ms or less
	Output operation	HIGH output: ON when the received beam level is equal to or lower than HIGH (Over-dark) level LOW output: ON when the received beam level is equal to or higher than LOW (Under-dark) level
	Short-circuit protection	Incorporated
Analog output		Analog voltage Output voltage: 1 V (Darkest) to 5 V (Lightest) Output impedance: 75 Ω
	Slew rate	8 V/ms or more
	Temperature characteristics	0.05 % F.S./℃ or less
External synchronization		Incorporated (Either gate trigger or edge trigger is selectable)
Indicators	Power	Green LED (lights up when the power is ON)
	Stable incident beam	Three green LEDs (light up in three stages in proportion to the amount of beam received)
	Operation	Two orange LEDs (light up when High and Low comparative outputs are ON, respectively)
	External synchronization	Green LED (lights up when the comparative outputs are effective)
Adjusters	Span	15-turn adjuster sets the span for the analog output voltage
	Shift	15-turn adjuster sets the offset for the analog output voltage
	HIGH (Over-dark) level	15-turn adjuster sets the HIGH output threshold level (Over-dark level)
	LOW (Under-dark) level	15-turn adjuster sets the LOW output threshold level (Under-dark level)
Ambient temperature		0 to +50 ℃ +32 to +122 ℉ (No dew condensation), Storage: -20 to +70℃ -4 to +158 ℉
Ambient humidity		35 to 85 % RH, Storage: 35 to 85 % RH
Voltage withstandability		1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance		20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance		10 to 150 Hz frequency, 0.75 mm 0.030 in double amplitude in X, Y and Z directions for two hours each
Shock resistance		500 m/s² acceleration (50 G approx.) in X, Y and Z directions three times each
Material		Enclosure: Heat-resistant ABS, Terminal cover: Heat-resistant ABS, Front cover: Polycarbonate
Cable		0.22 mm² (shield wire: 0.15 mm²) 7-core composite cabtyre cable, 2 m 6.562 ft long
Cable extension (Note 2)		Extension up to total 50 m 164.042 ft is possible with 0.22 mm², or more, cable. (Shield wire must be extended with 0.15 mm², or more, shield wire.)
Weight		Net weight: 200 g approx.
Accessory		Adjusting screwdriver: 1 pc.

Notes:

1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.

2) This product is CE compliant and complies with EMC directives. EN 61000-6-2 is the applicable standard that covers immunities relating to use of this product, but in order to comply with this standard, the following conditions must be satisfied.

Conditions
The amplifier should be connected less than 10 m 32.808 ft from the power supply.
The signal line to connect with the amplifier should be less than 30 m 98.425 ft.

Cautions For Use

Do not use this product during the transient state when the power supply is turned ON.

Discontinued products

Type		Amplifier (PNP output type)
Model No.		LA-A1P
Applicable sensor heads		LA-310, LA-305
Supply voltage		12 to 24 V DC ± 10 % Ripple P-P 10 % or less
Current consumption		120 mA or less (including sensor heads)
Comparative outputs (HIGH, LOW)		PNP open-collector transistor ・Maximum source current: 100 mA ・Applied voltage: 30 V DC or less (between comparative output and +V) ・Residual voltage: 1.5 V or less (at 100 mA source current) 0.5 V or less (at 16 mA source current)
	Utilization category	DC-12 or DC-13
	Response time	0.5 ms or less
	Output operation	HIGH output: ON when the received beam level is equal to or lower than HIGH (Over-dark) level LOW output: ON when the received beam level is equal to or higher than LOW (Under-dark) level
	Short-circuit protection	Incorporated
Analog output		Analog voltage Output voltage: 1 V (Darkest) to 5 V (Lightest) Output impedance: 75 Ω
	Slew rate	8 V/ms or more
	Temperature characteristics	0.05 % F.S./℃ or less
External synchronization		Incorporated (Either gate trigger or edge trigger is selectable)
Indicators	Power	Green LED (lights up when the power is ON)
	Stable incident beam	Three green LEDs (light up in three stages in proportion to the amount of beam received)
	Operation	Two orange LEDs (light up when High and Low comparative outputs are ON, respectively)
	External synchronization	Green LED (lights up when the comparative outputs are effective)
Adjusters	Span	15-turn adjuster sets the span for the analog output voltage
	Shift	15-turn adjuster sets the offset for the analog output voltage
	HIGH (Over-dark) level	15-turn adjuster sets the HIGH output threshold level (Over-dark level)
	LOW (Under-dark) level	15-turn adjuster sets the LOW output threshold level (Under-dark level)
Pollution degree		3 (Industrial environment)
Ambient temperature		0 to +50 ℃ +32 to +122 ℉ (No dew condensation), Storage: -20 to +70℃ -4 to +158 ℉
Ambient humidity		35 to 85 % RH, Storage: 35 to 85 % RH
EMC		EN 61000-6-2, EN 61000-6-4
Voltage withstandability		1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance		20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance		10 to 150 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each
Shock resistance		500 m/s² acceleration (50 G approx.) in X, Y and Z directions for three times each
Material		Enclosure: Heat-resistant ABS, Terminal cover: Heat-resistant ABS, Front cover: Polycarbonate
Cable		0.22 mm² (shield wire: 0.15 mm²) 7-core composite cabtyre cable, 2 m 6.562 ft long
Cable extension (Note 2)		Extension up to total 50 m 164.042 ft is possible with 0.22 mm², or more, cable. (Shield wire must be extended with 0.15 mm², or more, shield wire.)
Weight		Net weight: 200 g approx.
Accessory		Adjusting screwdriver: 1 pc.

Notes:

1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.

2) testThis product is CE compliant and complies with EMC directives. EN 61000-6-2 is the applicable standard that covers immunities relating to use of this product, but in order to comply with this standard, the following conditions must be satisfied.
Conditions
The amplifier should be connected less than 10 m 32.808 ft from the power supply.
The signal line to connect with the amplifier should be less than 30 m 98.425 ft.

Type		Sensor head (Long sensing range)
Model No.		LA-310
Applicable amplifiers		LA-A1, LA-A1P
Beam width		10 mm 0.394 in
Sensing range		500 mm 19.685 in
Min. sensing object		ø0.1 mm ø0.004 in opaque object
Repeatability		Perpendicular to sensing axis: 0.01 mm 0.0004 in or less
Temperature characteristics		0.1 % F.S./℃ or less
Emission indicator		Red LED (lights up when emitting)
Pollution degree		3 (Industrial environment)
Ambient temperature		0 to +40 ℃ +32 to +104 ℉ (No dew condensation), Storage: -20 to +70 ℃ -4 to +158 ℉
Ambient humidity		35 to 85 % RH, Storage: 35 to 85 % RH
Ambient illuminance		Incandescent light: 10,000 lx at the light-receiving face
EMC		EN 61000-6-2, EN 61000-6-4
Voltage withstandability		1,000 V AC for one min. between all supply terminals connected together and enclosure
Insulation resistance		20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure
Vibration resistance		10 to 150 Hz frequency, 0.75 mm 0.030 in amplitude in X, Y and Z directions for two hours each
Shock resistance		500 m/s² acceleration (50 G approx.) in X, Y and Z directions for three times each
Emitting element		Red LED (Peak emission wavelength 670 nm 0.026 mil, modulated)
Material		Enclosure: Die-cast zinc alloy Top face: Aluminum
Cable		0.22 mm² 3-core composite cabtyre cable, 2 m 6.562 ft long
Cable extension		Extension up to total 10 m 32.808 ft is possible, for both emitter and receiver, with 0.22 mm², or more, cable. (Shield wire must be extended with shield wire.)
Net weight		Emitter: 110 g approx., Receiver: 100 g approx.
Accessories		MS-LA3-1 (Sensor head mounting bracket): 1 set for emitter and receiver, Target label: 2 pcs.

Note:
Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.

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I/O Circuit and Wiring diagrams

LA-A1

NPN output type

Symbols･･･

D1：Reverse supply polarity protection diode
D2：Input protection diode
Z_D1, Z_D2, Z_D3 : Surge absorption zener diode
Tr¹, Tr² : NPN output transistor

Non-voltage contact or NPN open-collector transistor

External synchronization input (Voltage between ES+ and ES– )
Low: 0 to 1 V
High: +V or open

Notes:

1)When ES+ (pink) and ES– (pink/blue) of external synchronization input are connected, both HIGH and LOW comparative outputs are triggered in the mode selected by the external synchronization selection switch.
If the external synchronization function is not used, always short-circuit ES+ and ES– and set the external synchronization selection switch to gate trigger.

2)To use the analog output (gray), choose a device with an input impedance of 1 MΩ, or more, and connect the shield wire of the analog output to 0 V (common input) of the device.

3)Insulate all unused wires individually to avoid miscontact.

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Others

The sensor’s output is proportional to the amount of the LED light received. Since there is some variation in the light intensity at the center and the periphery of the sensing area, take care that “output = dimension” may not hold.
For stable operation, use the sensor 10 min., or more, after switching on the power supply.
Keep the front faces of the sensor heads free of dust, dirt, metal powder, etc. Should the faces be covered with it, deteriorating its performance, wipe them clean with a soft cloth or blown air.

LED Collimated Beam Sensor LA-300

基本資訊