Panasonic LA-511 Manuel utilisateur

ME-LA3_LA-511(05) No. 0044-13V

Instruction Manual

Laser Beam Sensor

LA-511

For safe use of laser products

Major Specifications

Cautions

Laser Radiation Fields

Mounting

Connections

Dimensions

Contents

Adjustments

Page

＜Name and Function of Each Section＞

＜Beam Alignment＞

＜Span Adjustment (adjustment of analog output voltage)＞

＜Comparison Level Adjustment＞

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Side-View attachment （LA-SV1）（optionally available）

Thank you for purchasing ou

product.

To use this product safely and properly, please read this manual carefully.

Keep this manual at hand.

WARNING

●Never use this product as a sensing device for personnel protection.

●In case of using sensing devices for personnel protection, use products which meet laws and

standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region

or country.

●FDA (Food and Drug Administration, U.S.DHHS) part 1040 “Performance standards for

light-emitting products” has been established for the purpose of preventing users from

suffering injuries by laser products.

This product belongs to “Class 1 laser product” according to the degree of the hazard specified

in the classification system of FDA Standards 21CFR 1040.10 and 1040.11.

●A label shown below is affixed on the left side of the projectors body in accordance with the

requirements of said standards.

●When this product is used in China, affix the Chinese warning label (accessory) on the label in

the product.

(The left side of a projector)

1类激光产品

●CAUTION – The use of optical instruments with this product will increase eye hazard.

●Do not stare into beam directly in succession.

●CAUTION – Use of controls or adjustments or performance of procedure other than those

specified herein may result in hazardous radiation exposure.

●This product has following radiation specifications.

Item Specifications

Wavelength 780nm

Pulse Duration 10μs

Max. Output of Laser 1.4mW

or safe use of laser products

Certification and Idetification

VIEW FROM TOP

PLAN 1

Laser Radiation Fields

1: MONITOR (Beam Alignment Monitor)

2: OUT (Operation Indicator)

3: SPAN (Span Adjustor)

4: SENS. (Comparison Level Adjustor)

5: POWER (Radiation Emission Indicator)

500m

13mm

512

21mm

500mm

22mm 30mm

: Laser radiation fields

LA-511P

Sensor Projector LA-511D

Sensor Detector

LA-511

15mm

60mA or less

Dark-ON

Provided

Red LED lights when comparison output is in ON state.

Span adjustment : with endless, 18 turn adjustor.

Comparison level adjustment : with endless, 18 turn adjustor.

0 to +50℃(No dew condensation nor icing allowed)

-20 to +70℃(storage)

Red LED lights when laser is radiated.

Green LED lights when beam received properly, and yellow LED

lights when beam is deviated from center.

Laser radiated when connected to 0V, and radiation stopped when

left opened or connected to +V.

0.5ms or less

35 to 85%RH

Invisible laser beam

Enclosure : zinc die-casting, Top cover : PRO,

Front protective cover : Glass

MS-LA1 (mounting bracket) : 2 sets,

Screwdriver for adjustment 1 pc.

Pressure terminals : 2 pcs.

Line-bypass capacitor system

･Output voltage : ※

NPN transistor ･open collector

･Output impedance : 75 ohms

･Sink current : max. 100mA

･Residual voltage : 1V or less (at 100mA sink current)

0.4V or less (at 16mA sink current)

･Applied voltage : 30V DC or less

･Through rate : 8V/ms or over

･Temperature characteristic : 0.1% of F.S. per 1℃

1V (When all beam interrupted) to 5V (When all beam received)

12 to 24V DC ±10%, Ripple : 10% P-P or less

500mm

Item

Sensing Width

Sensing Distance

Repeat Accuracy

Power Source

Comparison Output

Output Operation

Response Time

Short Circuit Protection

Remote Interlock Input

Operation Indicator

Radiation Indicator

Comparison Output

Ambient Temperature

Ambient Humidity

Emitting Element

Ground

Accessories

Enclosure’s Material

Analog Voltage Output

Laser Beam

Alignment Monitor

Analog Voltage

Output

Current Consumption

Type

Model No.

Output

Indicator

Adjustment

Function

Thru-beam

(Note)

In case of using this product as a CE marking conformity product, cable extension of the power wire and

I/O wire must be wthin 30m.

or Specifications

●This product has been developed / produced for industrial use only.

●Always turn the power off before performing wiring.

●Connect each other’s synchronization wires (Orange and Violet wires and its shields also) of

the projector and detector. Do not let them contact with the other wires.

●Verify voltage fluctuation so that it should not exceed the rated value.

●When a switching regulator is used for the power source of

the sensor, make sure to ground the frame ground (F.G.)

terminal to an actual ground.

●If any device that may cause noise (switching regulator,

inverter motor, etc.) is used near the sensor, make sure to

ground the frame ground (F.G.) to an actual ground.

●Use sensors under a stable condition to be obtained after

more than 10 minutes from power supply.

●Cable is extendable up to 50m by using 0.3mm2or bigger

wire, expect for the sync, (Orange and Violet).

Use shielded cord for extension of the analog voltage

output cord (White). In case of using this product as a

CE marking conformity product, cable extension of

the power wire and I/O wire must be within 30m.

●Do not use the sensor where there is excessive vapor,

dust or corrosive gas, or in the situation where they

could be exposed directly to water.

●Do not run sensor cables parallel to high-voltage lines or

power lines, nor put them together in the same raceway.

Doing so may cause malfunctions from inductive interference.

●LA-511 employs a line-bypass capacitor system to enhance electrical noise resistance. If there

is any equipment near the sensor such as supersonic welding machine which produces a high

frequency noise, and in addition, if sensor mounting framework is electrically conductive, an

insulation is required between the sensor and the framework.

●Dangerous – Do not disassemble.

Beside, do not use a power source with an auto-trans former as it may result in a failure to

danger if any fault happen at internal circuit.

Cautions

F.G. terminal

Switching regulator

F.G.

Grounded

High Voltage

or Power lines

＋

[Auto-transformers]

Sensing circuitSensing circuit

[Insulated transformer]

＋

Sensor

Mounting

bracket

Insulator

Mounting frame (metallic)

●Since laser beam has a directional property, special care must be taken to the direction of the

sensor when mounting.

(Note 1) The tightening torque should be 1.17N･m{12kgf･cm} or less.

(Note 2) When mounting sensors using provided mounting brackets, secure firmly both sides of

the sensors with a pair of brackets.

(Note 3) Apply the mounting brackets as shown in the illustration below, of which way will

permit you to make beam alignment easily.

Mountin

[Projector]

[Detector]

●I/O Circuit Diagram

(Note 1) Be careful in connecting the synchronous cord (Orange and Violet) so that it doesn’t

touch with the other ones.

(Connection using the provided pressure terminals is recommended.)

(Note 2) When the remote interlock cord is connected to 0V, laser is ready to radiate.

(Laser radiation stops when the cord is left opened or connected to +V.)

(Note 3) Use a connection device with high enough input impedance (1M ohms or more) if

making use of analog voltage output.

And connect the shield wire of analog voltage output to the common input (0V) of the

connection device.

(Note 4) Insulate completely the end of unused cord wire always.

Connections

0.022μF

＋

－

Projector

Color of leads

12 to 24V DC

±10%

12 to 24V DC

±10%

+V (Brown)

Remote interlock (Pink)

SHIELD

0V (Blue)

Sync. (Orange and Violet)

+V (Brown)

SHIELD

Comparison output (Black)

Analog voltage

output (White)

0V (Blue)

Sync. (Orange and Violet)

Sensing circuitSensing circuit

Detector

＋

－

0.022μF

75Ω

Tr Z

＋

－

LOAD

Symbol ･･･D

, Z

: Revers polarity protection Diodo

: Surge absorption Zener Diodes

: NPN Output Transistor

Internal Circuit External Connection Example

●Remote Interlock Input

When the remote interlock input (pink lead) is connected to 0V, the laser beam is emitted

(when it is either opened or connected to +V, the laser emission goes out).

You can make use of this procedure as one of daily checks before starting operation or if you

need to use a laser beam.

●Emitting the laser beam intermittently, you can check as well if the detection output is

energized or the sensors operation is normal.

Switch ON Laserradiated

Radiation stopped

Switch OFF

Left opened or connected to +V

Connected to 0V

Remote Interlock Input

Laser Beam

Comparison Output

(Dark-ON)

Laser radiated

Radiation stopped

OFF

[Projector]

●Remote Interlock Cord:

As required by the requirements of the Radiation Safety Standards, laser radiation stops when

it is left opened or connected to +V.

Laser is ready to radiate when it is connected to 0V.

●Radiation Emission Indicator:

This LED lamp glows while laser is energized.

[Detector]

●Comparison Level Adjustor:

The comparison level of the comparison output can be set as you like with the 18 turn adjustor.

●Span Adjustor:

Under all beam incoming state, the analog output voltage is set to +5V with the 18 turn

adjustor.

●Comparison Output:

It turns on when the analog output voltage of the sensor becomes lower than the comparison

level set with the comparison level adjustor.

●Operation Indicator:

When the comparison output is ON, the red LED glows.

●Beam Alignment Monitor:

This is available as a monitor when making beam alignment.

When beam axis is deviated from center, one or more yellow LED glows.

If overall beam is received, a green LED glows.

ustments

Radiation Emission Indicator Operation Indicator

Comparison Level Adjustor

Span Adjustor

Beam Alignment Monitor Yellow LED ･･･ 4 PCS.

Green LED･･･ 1 PC.

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