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O P E R A T I N G   I N S T R U C T I O N S

SLG-2

Switching automation light grid

Summary of Contents for 8026014

Page 1: ...O P E R A T I N G I N S T R U C T I O N S SLG 2 Switching automation light grid ...

Page 2: ...hin the limits of the legal determination of Copyright Law Any modi fication abridgment or translation of this document is prohibited without the express written permission of SICK AG The trademarks stated in this document are the property of their respective owner SICK AG All rights reserved Original document This document is an original document of SICK AG 2006 42 EC NO SAFETY 2 O P E R A T I N ...

Page 3: ...inimum object size minimum object width and minimum object length 11 3 2 5 Scan time repeatability minimum dwell time response time 15 3 2 6 Sensing range 15 3 2 7 Measurement information 16 4 Mounting 17 4 1 Scope of delivery 17 4 2 Mounting requirements 17 4 3 Mounting conditions 17 4 4 Alignment 19 4 5 Mounting the light grid 19 5 Electrical installation 21 5 1 Notes on electrical installation ...

Page 4: ...tic settings via IO Link 41 7 10 IO Link specific settings 42 8 Diagnostics and troubleshooting 44 8 1 IO Link specific diagnostic information 44 8 1 1 Device Status 44 8 1 2 Events 44 8 1 3 Detailed Device Status 45 8 2 Device specific diagnostic information 45 8 3 Diagnostic information via the display LEDs 46 8 4 Sync error 47 8 5 Troubleshooting 48 9 Maintenance 49 9 1 Maintenance 49 10 Decomm...

Page 5: ...n which the device is integrated For information about this refer to the operating instructions of the specific machine 1 2 Scope These operating instructions serve to incorporate the device into a customer system Step by step instructions are given for all required actions These instructions apply to all listed device variants of the product Available device variants are listed on the online prod...

Page 6: ...nformation for efficient and trouble free operation 1 4 Customer service If you require any technical information our customer service department will be happy to help To find your agency see the final page of this document NOTE Before calling make a note of all type label data such as type code serial number etc to ensure faster processing 1 ABOUT THIS DOCUMENT 6 O P E R A T I N G I N S T R U C T...

Page 7: ...le for details see the operating instructions For devices with a supply voltage 50 V AC 75 V DC WARNING Lost of electrical safety protection class When commissioning protect the device from moisture and contamination Unless stated otherwise in the operating instructions the sensor may only be used in an area with maximum degree of contamination 3 maximum overvoltage category II and a maximum altit...

Page 8: ...proper action Skilled personnel have the specialist training skills and experience as well as knowledge of the relevant regulations to be able to perform tasks assigned to them and to detect and avoid any potential dangers independently Electricians have the specialist training skills and experience as well as knowl edge of the relevant standards and provisions to be able to carry out work on elec...

Page 9: ...otes and the warnings listed here and in other chapters of these operating instructions to reduce the possibility of risks to health and avoid dangerous situations 2 5 Repair The product is a replacement device The device is not intended to be repaired Interfer ence with or modifications to the device on the part of the customer will invalidate any warranty claims against SICK AG SAFETY INFORMATIO...

Page 10: ...ifier 5 Data Matrix code part number 1xxxxxx part number 2xxxxxx serial number 3 2 Product features and functions 3 2 1 Device view B 3 1 2 4 5 A r s Figure 2 Device view r Receiver R s Sender T 1 First light beam 2 Last light beam 3 Detection height 4 Beam separation dc 5 Cable with male connector 3 PRODUCT DESCRIPTION 10 O P E R A T I N G I N S T R U C T I O N S SLG 2 8026014 2021 06 10 SICK Sub...

Page 11: ...determined by the detection height and the sensing range of the light grid The detection height is determined by the beam separation and the number of beams The sensing range of the light grid is the distance between sender and receiver 2 3 1 Figure 3 Detection area of the SLG 2 1 Detection height 2 Beam separation 3 Sensing range 3 2 3 Detection height The detection heights of the SLG 2 are betwe...

Page 12: ...ze MDO beam separation 5 mm Resolution minimum object size MDO in cross beam mode The parallel beam function is used for measuring by default With the cross beam func tion a sender LED projects beams to several receiver diodes and evaluates them This increases the measurement accuracy and enables the detection of smaller objects Several cross beam options are available 3 fold cross beam Parallel b...

Page 13: ...6 5 mm NOTE Detailed information on the MDO in cross beam mode can be found in chapter chapter 11 Resolution minimum object width MOW For the detection of very flat objects the cross beam function with the 7x or 9x cross beam option is suitable Due to the different angles of the beams between the sender and receiver reliable detection of even an infinitely flat object with a certain minimum width ...

Page 14: ... depends on the object velocity at which the object orthogonally passes the SLG 2 A static object has a minimum object length of 3 mm The following formula applies to the calculation of the minimum object length MOL object speed x minimum dwell time 3 mm NOTE The minimum dwell time depends on the device type and can be determined via the information in chapter chapter 11 3 PRODUCT DESCRIPTION 14 O...

Page 15: ...he maximum time deviation between two measurements The repeatability in parallel beam mode is thus equal to the scan time Repeatability scan time The following applies in cross beam mode Repeatability 1 5 scan time Minimum dwell time The minimum dwell time is the time that an object must dwell between the sender and receiver in order to be reliably detected The minimum dwell time is twice the scan...

Page 16: ...ing range Application SLGxxS xxxxARxxxxx 440 mm 3 500 mm 150 mm 4 900 mm Standard device SLGxxS xxxxCRxxxxx 440 mm 1 700 mm 150 mm 2 400 mm Very high sunlight resistance SLGxxS xxxxERxxxxx 70 mm 1 500 mm 70 mm 2 150 mm For small sensing ranges When using the cross beam function other sensing range limitations must be observed Detailed information can be found in chapter 11 3 2 7 Measurement inform...

Page 17: ...th appropriate safeguard protective housing Protect the device from direct sunlight Protect the device from external light sources Only fasten the device using the slot provided for this purpose and the mounting bracket or sliding nuts available as accessories Shock and vibration free mounting 4 3 Mounting conditions Synchronization beam For measuring tasks it must be ensured that the first or las...

Page 18: ...ose to one another there is a risk of mutual interference Therefore when mounting two SLG 2s close to one another their light beams should be oriented in opposite directions R T T R Figure 10 Light grid installed in opposite directions R Receiver T Transmitter sender 4 MOUNTING 18 O P E R A T I N G I N S T R U C T I O N S SLG 2 8026014 2021 06 10 SICK Subject to change without notice ...

Page 19: ...on sensing range d and can be calculated with availability angle α This availability angle is 4 5 r tan α d d r α R T Figure 12 Alignment NOTE An alignment aid is available via IO Link and SOPAS ET for precise alignment of the light grids The description can be found in chapter chapter 7 5 1 4 5 Mounting the light grid The SLG 2 is available in a flat version light emission on the wide side and a ...

Page 20: ...nded Accessories available for mounting Mounting bracket BEF SLG2 SET1 2111623 Mounting slot BEF NUT SLG2 2111624 1 2 1 Figure 14 Mounting Recommended holder spacing 1 Distance housing edge mounting bracket 10 cm 2 Distance mounting bracket mounting bracket 75 cm1 Observe maximum torque for both fastening types of 2 Nm 2 1 Applications with high mechanical load 40 cm 2 For mounting brackets with p...

Page 21: ...l Standard safety requirements must be observed when working on electrical systems Only switch on the supply voltage for the device when the connection tasks have been completed and the wiring has been thoroughly checked When using extension cables with open ends ensure that bare wire ends do not come into contact with each other risk of short circuit when supply voltage is switched on Wires must ...

Page 22: ...onnect the sensors when the supply cable is de energized NOTICE Risk of damage to sensors The sensors can become damaged if they are connected to a voltage supply that is already switched on The sensors must be connected to a power supply unit with the following properties Supply voltage 18 30 V DC SELV PELV as per currently valid standards The current consumption for the system consisting of send...

Page 23: ... stable operation it is therefore mandatory to perform a teach in under the following conditions After a power up operation System power on After each mechanical adjustment of the sender and or receiver After a Factory reset After a Teach in error After beam blanking or resetting the beam blanking Beam blanking After a IO Link data storage download After changing the cross beam setting Cross beam ...

Page 24: ...reshold setting after teach in Depending on the scenario new switching thresholds are set after a teach in the teach in results are discarded and previously stored switching thresholds are loaded or the maximum sensitivity or maximum sensing range is set as the switching threshold When running a Factory Resets the switching thresholds are set to maximum sensitivity A downstream teach in is necessa...

Page 25: ... Threshold beam 2 Basic function 2 Basic function 4 Basic function 1 4 Threshold beam 1 Threshold beam n Qint1 QL1 Qint2 Qint4 QL2 Figure 15 Function overview In Sensor thresholds the switching thresholds of all beams are automatically set via the teach in depending on the sensing range see Commissioning page 23 Beam status After the teach in the SLG 2 is ready for operation Now either the states ...

Page 26: ... information is displayed on the left side of the SOPAS window 2 This is for example diagnostic information see Diagnostics and troubleshooting page 44 or status of the QLs The Beam status can be seen in the middle of the screen 3 When a beam is free it is displayed in green with a continuous line If the beam is blocked by an object the beam is displayed with a red dashed line The light grid orien...

Page 27: ...n a teach in is necessary 100 System status Contains general diagnostic information such as error and or warning message such as quality of run alarm teach in error hardware error etc 204 Find me Command that makes the LEDs of the SLG 2 receiver flash to make it easier to find in the sys tem 219 Product ID Outputs the part number 480 Beam status PDin Information about the status of each individual...

Page 28: ... by an object during execution Blank currently blocked beams blanks all beams that are blocked by an object during execution Reset blanking Switches all beams back to active Cross beam The Cross beam function can be used to increase the resolution in cer tain ranges For this purpose a 3 fold and for certain variants also a 5 fold 7 fold or 9 fold crossover is available The amount of maximum possib...

Page 29: ...ayed on each side first last beam 2 Align the sender and receiver with respect to each other until a value of at least 50 is reached for each beam shown in the Alignment aid 3 Perform teach in The Alignment aid is automatically deactivated for the following reasons Teach in command Restore factory settings IO Link DataStorage download Hardware error NOTE When Alignment aid is active the light grid...

Page 30: ...74 Beam numeration Command changes the beam order true 1 Beam at front side false 1 Beam at male connec tor side 109 Alignment aid Displays the signal strength of the three beams relevant for alignment each in a subin dex Values from 0 100 percen tages Value 255 is displayed for a Hardware error NOTE Detailed information on the subindices and access can be found in the IO Link supple ment 8389226 ...

Page 31: ... defined within a zone These include NBB Number of beams blocked object detection or width classification FBB LBB First beam blocked Last beam blocked Mainly used for height measure ment or height classification or for position determination FBB Beam number of the first interrupted beam of a zone LBB Beam number of the last interrupted beam of a zone Examples Example 1 object detection with NBB An...

Page 32: ...er than shown in the figure The light grid is mounted from above connection side at the top The objects travel for example on a conveyor belt between the light grid FBB 10 If within zone 4 the first interrupted beam is 10 or lower internal switching signal Qint 4 is activated 12 11 10 9 8 7 6 5 4 3 2 1 14 13 16 15 18 17 20 19 Zone 4 FBB Figure 22 Height measurement with FBB example 3 If a box is s...

Page 33: ...the internal switching signal Qint 2 remains deactivated Example 5 position determination with FBB The position of a box on a conveyor belt is to be detected The light grids are mounted along a conveyor belt with the connection side on the left The box moves from right to left As soon as the box is in the position of the 10th light beam the light grid switches FBB 10 If beam 10 is interrupted with...

Page 34: ...s Qints via IO Link Table 5 Zones Qints via IO Link with associated index IO Link Index Object name Description 351 353 355 357 Qint zone definition 1 4 Zone definition with one start beam and one end beam 352 354 356 358 Qint advanced settings 1 4 Definition of the LBB FBB and NBB measurement function with operator and constant The result Qint is a boolean value 481 QL Qint status Outputs the Sma...

Page 35: ...of Input selector 1 can be logically linked with the input signal of Input selector 2 OR and AND logic gates are available for this purpose Input selector 1 A00 QL1 Logic 1 Timer 1 Inverter 1 Input selector 2 QL2 Logic 2 Timer 2 Inverter 2 Figure 27 Logical principle of operation of the Smart Task function Various delay modes can be selected via Timer 1 2 mode The associated delay time is set via ...

Page 36: ... also called MF Multi Function The following configuration is possible External input If pin 2 MF is configured as External input this is available for selection in Input selector 1 2 Blocked beams hold If the input signal is 1 HIGH the Blocked beams hold function is set In this case once interrupted beams remain set or are held Thus only one status change of a beam from 0 to 1 is possible This fu...

Page 37: ...ignal 1083 Logic 1 AND or OR logic to the possible input signals Qint1 4 or Ext input 1 1084 Logic 2 AND or OR logic to the possible input signals Qint1 4 or Ext input 1 1085 Timer 1 mode Delay modes adjustable T On Delay T Off Delay 1086 Timer 2 mode Delay modes adjustable T On Delay T Off Delay 1087 Time 1 setup Delay values in ms can be set 1088 Time 2 setup Delay values in ms can be set 1089 I...

Page 38: ...d has a length of 32 bytes Each of these bytes can be individually populated with the desired data Figure 30 SOPAS Process Data tab Load process data via profiles only available for SOPAS A number of pre defined process data profiles are available that can be selected to populate the process data word Common constellations are already stored for a simplified configuration Figure 31 Load process da...

Page 39: ...agnostic byte that transmits various diagnostic information chapter 7 2 Figure 32 Process data word selection 7 8 2 Process Data via IO Link Table 7 Process data via IO Link with associated index IO Link Index Object name Description 67 Process data user definition Configuration of the process data Each process data slot with a size of 8 bits can be assigned a process data func tion 40 Process dat...

Page 40: ...several minutes is usually sufficient Masked system status A selection of diagnostic information can be output via an alarm signal output It is an OR function of several diagnostic input signals which can be output as a binary signal via pin 2 MF see table 8 You can adjust or reduce the diagnostic information Table 8 Masked system status via pin 2 MF output as bit information Operating temperature...

Page 41: ...nos tics and troubleshooting page 44 Figure 34 Temperature values and temperature limits 7 9 1 Diagnostic settings via IO Link Table 9 Diagnostic settings via IO Link with associated index IO Link Index Object name Description 2 System command 130 Factory reset All settings are reset to the fac tory settings 2 Standard Command 228 Reset diagnostic parameter Resets the measured max min temperatures...

Page 42: ...rength is detected at the sensor for the defined duration 447 Pin 2 system status mask Selection of diagnostic informa tion that can be output via an OR function as a Boolean value via pin 2 NOTE Detailed information on the subindices and access can be found in the IO Link supple ment 8389226 7 10 IO Link specific settings The SLG 2 light grids have an IO Link interface IO Link enables the exchang...

Page 43: ... with the same application NOTE After a Data Storage download the Teach in status of the SLG 2 light grid is reset This means that a teach in is necessary If Auto teach in is set the teach in is performed automatically on restart Process data output Transmission data Minimum cycle time of IO Link 2 3 ms Baud rate COM3 230 4 kbaud Process data length 32 bytes IO Link version 1 1 0 OPERATION 7 80260...

Page 44: ...k Busy Sync error 4 Failure Hardware error Pin short circuit error NOTE Detailed information on the subindices and access can be found in the IO Link supple ment 8389226 8 1 2 Events In addition to Device Status the IO Link interface provides events for fault diagnosis Detailed information can be found in the IO Link supplement The following information is available as events Table 12 Events avail...

Page 45: ...vent Qualifier Octet 2 3 Event Code 2 Error_Warning_2 3 octets 3 Error_Warning_3 3 octets 4 Error_Warning_4 3 octets n Error_Warning_n 3 octets The following states are available as event qualifiers Table 15 Event Qualifier Event Qualifier am dec hex Warning disappear 10100100 164 A4 Error disappear 10110100 180 B4 Warning appear 11100100 228 E4 Error appear 11110100 244 F4 8 2 Device specific dia...

Page 46: ... Bit 4 Quality of run alarm Warning Bit 5 Hardware error Error Bit 6 Teach in error Error a warning in IO Link Events Bit 7 Sync error Error a warning in IO Link Events The system status can be transmitted cyclically via the process data Configuration of the process data is described in chapter 7 8 In addition the System statusinformation can also be transmitted as a 1 bit value OR function via pi...

Page 47: ...EDs are deactivated sender only About 1 Hz 50 duty On Quality of run QoR alarm warning LED only flashes if no object is in the beam path Warn ing 2 Hz 50 duty On Temperature or oper ating hours alarm Warn ing 2 Hz 50 duty On Alignment aid If alignment aid is activated via index 69 or SOPAS Warn ing 2 Hz 50 duty On Teach in error 5 seconds active According to a power cycle a Teach in error becomes ...

Page 48: ...plication opaque object Where applicable remove the cause of the reflection Start teach in process again Yellow LED flashes at 8 Hz for 5 s Teach in faulty Check application Align the sender with the receiver and teach in Yellow LED flashes at 8 Hz for as long as an object is located in the optical path Object is blocking all beams Ensure that the last or first beam is always unobstructed this is ...

Page 49: ...ice at regular intervals Table 20 Maintenance schedule Maintenance work Interval Implementation Clean housing and front screen Cleaning interval depends on ambi ent conditions and climate Specialist Check screw connections and plug connectors Every 6 months Specialist MAINTENANCE 9 8026014 2021 06 10 SICK O P E R A T I N G I N S T R U C T I O N S SLG 2 49 Subject to change without notice ...

Page 50: ...es batteries accumulators and electrical or electronic devices must not be disposed of in general waste The owner is obliged by law to return this devices at the end of their life to the respective public collection points This symbol on the product its package or in this document indicates that a product is subject to these regulations 10 2 Returning devices b Do not dispatch devices to the SICK ...

Page 51: ...500 mm 7 x cross beam mode rec ommended SLG10x 440 mm 3 500 mm SLG25x 470 mm 3 500 mm SLG50x 950 mm 3 500 mm SLG10x 440 mm 1 700 mm SLG25x 470 mm 1 700 mm SLG50x 950 mm 1 700 mm SLG10x 190 mm 1 500 mm SLG25x 470 mm 1 500 mm SLG50x 950 mm 1 500 mm mm cross beam mode recommended SLG10x 440 mm 3 500 mm SLG25x 630 mm 3 500 mm SLG50x 1 260 mm 3 500 mm SLG10x 440 mm 1 700 mm SLG25x 630 mm 1 700 mm SLG50...

Page 52: ...3 scan time 0 015 ms number of beams 0 25 ms Max response time cross beam 2 5 scan time 0 048 ms number of beams 0 6 ms Offset after loss of optical syn chronization 10 beams 6 scan time 40 beams 4 scan time 40 beams 2 scan time 1 Depending on the installed working distance number of beams cross beam setting 2 Minimum scan time parallel beam 1 ms 3 Minimum scan time cross beam 2 ms Electrical data...

Page 53: ...pending on type code Maximum length of cable 20 m Ambient environment Table 26 Ambient environment Enclosure rating IP65 IP67 Electromagnetic compatibility EN 61000 6 2 EMC radiated emission EN 61000 6 4 Ambient temperature operation 25 C 55 C Ambient temperature storage 25 C 70 C Ambient light immunity SLGxxx xxxxAxxxxxx SLGxxx xxxxBxxxxxx 30 000 lx direct sunlight SLGxxx xxxxCxxxxxx 100 000 lx d...

Page 54: ...iffers between parallel beam mode and cross beam mode Description chapter 3 2 4 11 1 1 Minimum object size MDO Parallel operation Table 28 MDO in parallel beam mode Beam separation Minimum object size MDO 10 mm 15 mm 25 mm 30 mm 50 mm 55 mm Cross beam mode A description of cross beam mode can be found in chapter 3 2 4 In cross beam mode the MDO depends on the beam separation the cross beam option ...

Page 55: ...m beam 4 to beam N 3 After that the cross beam option decreases by one option per beam The MDOx ranges are relative indications In this example if the light grid has a working distance of 1 000 mm the MDO3 range is 120 mm and MDO2 and MDO4 ranges are 330 mm each If the light grids are spaced twice the MDOx range is also doubled The higher the set cross beam option the greater the range of better r...

Page 56: ...mm MDO2 12 0 mm MDO3 15 5 mm MDO4 12 0 mm MDO5 30 0 mm MDO1 30 0 mm MDO2 11 5 mm MDO3 15 5 mm MDO4 11 5 mm MDO5 30 0 mm 50 mm MDO1 55 0 mm MDO2 29 0 mm MDO3 55 0 mm MDO1 55 0 mm MDO2 21 0 mm MDO3 28 0 mm MDO4 21 0 mm MDO5 55 0 mm MDO1 55 0 mm MDO2 20 5 mm MDO3 28 0 mm MDO4 20 5 mm MDO5 55 0 mm MDO1 55 0 mm MDO2 20 0 mm MDO3 28 0 mm MDO4 20 0 mm MDO5 55 0 mm MDO2 range MDO3 range MDO4 range MD02 MD...

Page 57: ... and 10 mm beam separation 11 1 2 Minimum object length MOL Description chapter 3 2 4 Minimum object length of static object MOL 3 mm Minimum object length of moving object TECHNICAL DATA 11 8026014 2021 06 10 SICK O P E R A T I N G I N S T R U C T I O N S SLG 2 57 Subject to change without notice ...

Page 58: ... to be detected if they have a certain minimum object width MOW minimum object width The detection depends on the object position and on the set cross beam option The following graphic serves for a better understanding 1 2 3 4 N 2 N 1 N N 3 dLG MOW 9x Crossbeam 9x 5x Area with high resolution 3x 7x MOW2 MOW1 MOW1 Figure 39 MOW Example of a light grid with 10 mm beam separation and the set 9x cross...

Page 59: ...ration the cross beam setting as well as the position of the object Beam sepa ration Parallel opera tion 3x 5x 7x 9x 10 mm MOW1 1 00 dLG MOW1 1 00 dLG MOW1 0 62 dLG MOW2 0 56 dLG MOW1 0 41 dLG MOW2 0 39 dLG MOW1 0 31 dLG MOW2 0 26 dLG 25 mm MOW1 1 00 dLG MOW1 1 00 dLG MOW1 0 55 dLG MOW2 0 43 dLG MOW1 0 37 dLG MOW2 0 31 dLG MOW1 0 28 dLG MOW2 0 21 dLG 50 mm MOW1 1 00 dLG MOW1 1 00 dLG MOW1 0 53 dLG...

Page 60: ...24 1 0 95 11 8 0 47 A B L RM 1 2 3 4 5 Figure 40 SLG 2 Flat dimensional drawing 1 First light beam 2 Last light beam 3 Beam separation dc 4 Detection height 5 Cable with male connector 11 TECHNICAL DATA 60 O P E R A T I N G I N S T R U C T I O N S SLG 2 8026014 2021 06 10 SICK Subject to change without notice ...

Page 61: ...8 0 47 1 2 3 4 5 A B L RM Figure 41 SLG 2 Slim dimensional drawing 1 First light beam 2 Last light beam 3 Beam separation dc 4 Detection height 5 Cable with male connector TECHNICAL DATA 11 8026014 2021 06 10 SICK O P E R A T I N G I N S T R U C T I O N S SLG 2 61 Subject to change without notice ...

Page 62: ...12 Annex 12 ANNEX 62 O P E R A T I N G I N S T R U C T I O N S SLG 2 8026014 2021 06 10 SICK Subject to change without notice ...

Page 63: ...ANNEX 12 8026014 2021 06 10 SICK O P E R A T I N G I N S T R U C T I O N S SLG 2 63 Subject to change without notice ...

Page 64: ...3 8080 7425 E Mail enquiry my sick com Mexico Phone 52 472 748 9451 E Mail mexico 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 22 539 41 00 E Mail info sick pl Romania Phone 40 356 17 11 20 E Mail office sick ro Russia Phone 7 495 283 09 ...

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