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Online help

LMS400

Configuration

8011984/YSZ3/2016-02-04

© SICK AG · Germany · All rights reserved · Subject to change without notice

21

Chapter

3

3.7.5

Laser control

With laser control active, the switching on of the laser is controlled by the gate configured
or by a dedicated source.



G

ATE

CONTROLLED

The laser is controlled by start and stop trigger source configured in the Gate settings
area (see

3.7.4 “Gate” on page 20



D

EPENDENT

ON

SOURCE

The laser is controlled by the source configured in the S

OURCE

selection field. The control

is independent of the settings made in the G

ATE

SETTINGS

area.

Control of the laser by a dedicated source

As soon as the LMS400 has calculated, based on encoder pulses (see

3.8.2 “Increment

configuration” on page 23

) that a certain distance (the laser off distance) has been

reached, it switches off the laser. In addition, a laser timeout ensures that after a certain
amount of time, the laser is switched off in all circumstances.
If, between switching on and off the laser, the start trigger is set again (for instance by a new
object passing a photoelectric switch), the distance calculation and the laser switch off
delay counter are set to zero and re-started. The laser therefore

remains switched on

.

How to configure the laser control:



In the L

ASER

TIMEOUT

field enter the time in minutes after which the laser is to be

switched off.



In the L

ASER

OFF

DISTANCE

field enter the distance after which the laser is to be switched

off.

Note

The LMS400 can count a maximum of 30000 encoder pulses from the time the trigger
is activated until the lasers are switched off. With the encoder resolution of 0.2
mm/incr. of the recommended encoder this results in 30000 × 0.2 mm = 6000 mm.

On this subject please read the section

“Laser control”

in the chapter

“Product description”

of the LMS400 operating instructions.



Open in the P

ROJECT

TREE

, LMS400-XX00, P

ARAMETER

the device page D

IGITAL

I

NPUTS

/T

RIGGER

, area L

ASER

C

ONTROL

.



In the L

ASER

CONTROL

area select the G

ATE

CONTROLLED

or I

NDEPENDENT

option.



In the case of independent laser control, in the S

OURCE

selection field select the D

IGITAL

I

NPUT

IN1 or D

IGITAL

I

NPUT

IN3 option if the laser is to be triggered by switches or sensors

that are connected to inputs. Select the S

OFTWARE

TRIGGER

option if the laser is to be

triggered using a message over one the interfaces.

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Summary of Contents for LMS400

Page 1: ...O N L I N E H E L P LMS400 LASER MEASUREMENT SENSORS ...

Page 2: ...unction Status Device description LMS400 XXXX jar file Device specific software module for SOPAS ET V 01 01 20 or higher SOPAS ET Configuration software V 03 00 or higher Copyright Copyright 2006 2016 SICK AG Waldkirch Erwin Sick Str 1 79183 Waldkirch Germany Trademarks Windows 98 NT 4 0 2000 XP 7 8 10 and Internet Explorer are registered trademarks of Microsoft Corporation in the USA and other co...

Page 3: ...tective measures 6 3 Configuration 7 3 1 Preparing the configuration 7 3 2 Application 8 3 3 Position 9 3 4 Basic parameters 12 3 5 Advanced parameters 15 3 6 Filter 16 3 7 Digital inputs Trigger 18 3 8 Encoder and synchronization 22 3 9 Interfaces 23 4 Level Control 26 4 1 Column width 26 4 2 Column length 27 4 3 Evaluation result 29 4 4 Output message 31 5 Monitor 32 5 1 Scan view 32 5 2 Display...

Page 4: ...ption language on the Internet LED Light Emitting Diode LMS SICK AG laser measurement sensor RAM Random Access Memory volatile memory with direct access RIS Remission Information System ROM Read only memory permanent SOPAS ET SICK OPEN PORTAL for APPLICATION and SYSTEMS Engineering Tool configuration software for the configuration of the LMS400 Figures Fig 1 LMS coordinates above a conveyor system...

Page 5: ...nical skills which are not detailed in this documentation When operating the LMS400 laser measurement sensor the national local and statutory rules and regulations must be observed 1 4 Symbology used Recommendation Recommendations are designed to give you assistance in the decision making process with respect to a certain function or a technical measure Note Refer to notes for device special featu...

Page 6: ...L browser e g Internet Explorer experience in data transmission modes 2 2 General safety notes and protective measures ATTENTION Safety notes Please observe the following items in order to ensure the correct and safe use of the LMS400 laser measurement sensor The notices in this online help e g on use mounting installation or integration into the existing machine controller must be observed Nation...

Page 7: ...Internet under www sick com sopas PC notebook Windows 98 NT 4 0 2000 XP Vista 7 8 or 10 with Ethernet interface RJ45 and optional serial interface RS 232 Device not included in scope of delivery Optional for configuration via serial interface RS 232 a three core RS 232 connection cable null modem cable for connecting PC and LMS400 Cable not included in scope of delivery How to prepare the configur...

Page 8: ...e jar file can be obtained from the online repository if an Internet connection is present 5 In the device search list establish a connection between SOPAS ET and the LMS400 using the search settings To do this select the LMS4xx family of devices and select the default IP address 192 168 0 1 when connecting for the first time The device is detected and can now be integrated into a project for conf...

Page 9: ... area 3 3 1 Coordinates As delivered the zero point for the distance measurement is at the origin of the laser marked by a dot on the top and underside of the housing The Level Control application requires a global zero point to which all other settings refer e g right edge of the conveyor system as seen in the transporting direction You can define this zero point with the aid of the X Y and Z coo...

Page 10: ...s on the device page you can define the angle at which the LMS400 is mounted in relation to the conveyor system Alpha Enter 90 for the ALPHA angle Beta Enter 0 for the BETA angle Gamma Read the angle GAMMA on the mounting kit for the LMS400 in general this angle is 0 Note An installation setup is available for the definition of the angle Gamma Start the assistant on the LMS400_XX00 menu COMMISSION...

Page 11: ...he global zero point defined previously Fig 3 Measurement area Notes Ensure that the zero point is on the right and Y extends to the left For this reason the value for the left border is always greater than the value for the right border The bottom border can also have a negative value e g to include the conveyor system in the evaluation Gamma Z LMS400 Y Open in the PROJECT TREE LMS400 XX00 PARAME...

Page 12: ...requency and the angular resolution actually set and the resulting measured value quality Note Values are only displayed if you configure a device online that is the PC is connected to the device Measured value quality You cannot configure the measured value quality directly The sensor calculates the measured value quality based on the configured angular resolution and the scanning frequency The m...

Page 13: ...le in Choose the option FREQUENCY and in the VALUE field enter the required frequency in Hz Various configuration options are displayed in the next step The recommended options measured value quality 7 have a green dot in the RECOMMENDED column Recommendation Choose the configuration that provides the highest measured value quality Once you have completed the wizard the new parameters will be disp...

Page 14: ...e scan area Fig 5 Scanning area of the LMS400 How to define the scanning area Explanation The values that can be entered are dependent on each other If for example 95 are given as the STARTING ANGLE the ANGULAR RANGE can only be a maximum of 30 If for instance you enter 60 as the angular range the starting angle can be a maximum of 65 Open in the PROJECT TREE LMS400 XX00 PARAMETER the device page ...

Page 15: ...he LMS400 you can extend the so called Remission Information System RIS in the LMS400 In this way the RIS facilitates e g the improved detection of dark or lighter bodies with reduced accuracy For measured values that are measured using extended RIS detectivity the following applies The distance value may not have the defined measuring accuracy The same measurement point the same object will not n...

Page 16: ...ilter prevents incorrect extreme distance values at edges that result from it not being possible to determine a distance value for the previous or next point e g if the previous next measured point was too dark or outside the measuring range of 3 metres With the edge filter enabled the LMS400 also sets a distance value to 0 at each edge Note Using the edge filter points can be completely suppresse...

Page 17: ...e range filter 3 6 3 Mathematical filter The mean filter smooths the distance value For this purpose the filter forms the arithmetic mean over several scans The number of scans can be configured Recommendation Use the mean filter together with the median filter In this way individual outliers will be smoothed in advance by the median filter How to activate the mean filter On this subject please re...

Page 18: ... necessary the logic and debounce for the digital inputs You can also define whether the laser in the LMS400 is switched on by a trigger or remains switched on continuously 3 7 1 Operating principle of the LMS400 Note You can only change the settings if the Level Control application is activated see 3 2 on page 8 The settings define what determines the start and end of the measurement Free running...

Page 19: ...active high or active low Note Depending on whether the measurement is triggered time or track controlled see 3 7 2 Common settings on page 19 you must enter the debounce for the inputs in ms or mm How to configure the settings for the digital inputs 1 and 3 Note You must add the input delay to the start delay for the triggering see 3 7 4 Gate on page 20 Open in the PROJECT TREE LMS400 XX00 PARAME...

Page 20: ...es the photoelectric switch 1000 mm are entered as the distance delay In this way the measurement is actually only started when the object reaches the scan line and only stops when it leaves the scan line If an expansion distance of 50 mm is now entered the measurement starts 50 mm before the object reaches the scan line and stops 50 mm after it leaves the scan line You can start and stop the meas...

Page 21: ...ng a photoelectric switch the distance calculation and the laser switch off delay counter are set to zero and re started The laser therefore remains switched on How to configure the laser control In the LASER TIMEOUT field enter the time in minutes after which the laser is to be switched off In the LASER OFF DISTANCE field enter the distance after which the laser is to be switched off Note The LMS...

Page 22: ...t and end of column generation Between start and end the internal gate defines the length of the columns How to configure an internal gate 3 8 Encoder and synchronization 3 8 1 Master slave configuration synchronization If you use two LMS400 as master and slave over the System connection then you must configure one device as master and the other one as slave Notes On master slave operation master ...

Page 23: ...e The aux interface is primarily intended to be used to provide a safe data connection for setting parameters for this reason the interface parameters for the aux interface cannot be changed On this subject please read the section Master slave operation in the chapter Product description of the LMS400 operating instructions Open in the PROJECT TREE LMS400 XX00 PARAMETER the device page INCREMENT C...

Page 24: ...ication is set to half duplex The factory setting for the Ethernet interface is as follows IP ADDRESS 192 168 0 1 TCP IP PORT 2111 SUBNET MASK 255 255 255 0 Recommendation To check the availability of the LMS400 at the command prompt on the PC enter ping IP address e g ping 192 168 0 1 How to configure the Ethernet interface Open in the PROJECT TREE LMS400 XX00 PARAMETER INTERFACE the device page ...

Page 25: ...TER INTERFACE the device page ETHERNET In the ETHERNET area enter an IP address for the LMS400 in the IP ADDRESS field If you access the LMS400 via a gateway in your network in the DEFAULT GATEWAY field enter the gateway s IP address Otherwise leave the default numbers 0 0 0 0 In the SUBNET MASK field enter the number for the network segment to which the application connected belongs In the MAC AD...

Page 26: ...ber of columns in the NUMBER field The measuring area is divided by the number of columns You can see the resulting width of the individual columns in the WIDTH field Enter for all columns a common switching point with hysteresis an evaluation mode and a valid quality applicable to all columns How to define equidistant column division With the aid of the Level Control application for instance leve...

Page 27: ...g point with hysteresis an individual evaluation mode and valid quality that applies only this column How to define customised column division 4 2 Column length Along with the Y direction you can also evaluate the columns in the X direction in transporting direction 4 2 1 Column length parameters Using the OUTPUT INTERVAL field define whether an evaluation is to take place in the X direction colum...

Page 28: ...ormed using the mode defined in the COLUMN LENGTH area If a value cannot be determined the bottom border of the measurement area is used as the value User defined The value for the column is the value you enter in the OUTPUT VALUE field You can define how invalid column values are to be further processed On this subject please read the section Evaluation in X direction in the chapter Level Control...

Page 29: ...election boxes you have five options for linking the outputs Inactive The output is not switched Above level A single column switches the output if the switching point in this column is exceeded In the COLUMN field enter the number for this column Below level A single column switches the output if the switching point in this column is not reached In the COLUMN field enter the number for this colum...

Page 30: ...range of the analog output from 4 to 20 mA Sum function All columns define the output current Output current 4 mA if the switching point is not reached in all columns Output current 20 mA if the switching point is exceeded in all columns Output current 12 mA if the switching point is exceeded in some columns and not reached in others How to define the behaviour of the analog output Open in the PRO...

Page 31: ...a column In addition using the CONTROLLED BY LEVEL option you can control the output of the messages using the switching point for a column Message output starts as soon as the switching value in the column defined in the ACTIVATED BY COLUMN field is exceeded Message output stops as soon as the switching value for this column is not achieved How to define which message will be output On this subje...

Page 32: ...tion of filters can not be checked with the aid of the monitor In the scan view you have the following additional options You can display distance values energy values or distance and energy values You can change the diagram display You can save the scan data to a file How to display the measured values How to zoom in or zoom out the display Click on the ZOOM button The scan view is increased in s...

Page 33: ...rneath enter a path and file name or select these using the button beside the field 5 2 Display of the Level Control application The results of the column evaluation are prepared graphically in the display for the application Level Control To obtain displayed results you must start the application 5 2 1 Start and stop of the application In the APPLICATION area you can start or stop the application...

Page 34: ...ure scan data from the LMS400 and the column results from the Level Control application Level Control The column results are being displayed Scan The measured data are displayed as red dots Coordinates If you move the mouse pointer over the diagram the pointer changes to cross wires You can see the values for the coordinates on the right beside the diagram The Y and Z read only fields indicate the...

Page 35: ...LOG OUTPUT group the current on the output is displayed see 4 3 2 on page 30 How to display the results of the Level Control application Open in the PROJECT TREE LMS400 XX00 MONITOR the device page LEVEL CONTROL VIEW In the APPLICATION area click the START button Click in the VIEW area the button with the green triangle Depending on your selection either pure scan data from the LMS400 or the colum...

Page 36: ...ces How to display the system status ATTENTION Cease operation if the cause of the malfunction has not been clearly identified Stop the machine system if you cannot clearly identify or allocate the error and if you cannot safely rectify the malfunction Open in the PROJECT TREE LMS400 XX00 SERVICE the device page SYSTEM STATUS In the VERSION INFO area when the device is switched online you will see...

Page 37: ...S400 in the SICK network Can be connected electrically as RS 232 or RS 422 Provides various transmission protocols Line scanner Scanner that very rapidly deflects its focused laser beam with the aid of a polygon mirror wheel with mirrors parallel to the axis In this way the scanner generates a dot of light in the measuring plane that repeatedly runs along a straight line and appears to be a statio...

Page 38: ...0 are explained in the help and the related value ranges are given Can be used with an HTML browser e g Internet Explorer and can be opened from SOPAS ET setup Aux interface Auxiliary data interface RS 232 on the LMS400 with fixed measured data output format Using this interface it is always possible to access the LMS400 using the SOPAS ET configuration software Is used among other tasks for the o...

Page 39: ...y 25 C CoLa protocol 25 Column length 27 Column length by gate 20 Column length by internal gate 22 Column values invalid 28 Column width 26 Column width customised 27 Column width equidistant 26 Column width equidistant or customised 26 Connection layout for the inputs 19 Contour filter 16 Coordinates 9 Customised column width 27 D Dark bodies 15 Debounce 19 Device name 15 Device parameters 12 De...

Page 40: ...rection 26 Evaluation mode in Y direction for all columns 26 Evaluation mode in Y direction per column 27 Expansion distance 20 F Filter 16 G Gamma 11 Gate 20 H Hardware trigger 20 Host interface 24 Hysteresis for all columns 26 Hysteresis per column 27 I Information 36 Input logic 19 Inputs 19 20 Interface Ethernet 25 Interface Host 24 Interface RS 232 422 485 24 Interfaces of the device 23 Inter...

Page 41: ...ical filter 17 Mean filter 17 Measured value quality 13 Median filter 17 Median filter for Level Control 18 Message selection for Level Control 31 O Operating data 36 Operating hours 36 Output interval 27 P Phase between master and slave 22 Polarisation of the digital outputs 30 Q Quality in X direction 28 Quality in Y direction for all columns 26 Quality in Y direction per column 27 R Range filte...

Page 42: ...umber of the device 36 Slave 22 Software trigger 20 Start of the measured value output 33 Start or stop measured value output 33 Starting angle 14 Stop of the measured value output 33 Subnet mask 25 Switching point for all columns 26 Switching point per column 27 Switching values invalid 29 Synchronization 22 System status 36 T TCP IP port 25 Test trigger settings 22 Trigger 20 Trigger delay 20 Tr...

Page 43: ...Online help LMS400 Index 8011984 YSZ3 2016 02 04 SICK AG Germany All rights reserved Subject to change without notice 43 Chapter 8 Z Z coordinate 10 Z median filter 18 Zero point global 9 ...

Page 44: ...hone 39 02 27 43 41 E Mail info sick it Japan Phone 81 0 3 5309 2112 E Mail support sick jp Malaysia Phone 603 808070425 E Mail enquiry my sick com Netherlands Phone 31 0 30 229 25 44 E Mail info sick nl New Zealand Phone 64 9 415 0459 0800 222 278 tollfree E Mail sales sick co nz Norway Phone 47 67 81 50 00 E Mail sick sick no Poland Phone 48 22 837 40 50 E Mail info sick pl Romania Phone 40 356 ...

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