Original operating instructions Fail-safe inductive sensor
Contents
1. 4 Functions and features The fail safe inductive sensor GM504S detects metal without contact Safety function SF the safe state output stage switched off logic 0 is achieved when undamping greater than or equal to the safe switch off distance Sa 10 Technical data Also observe the notes on installation of the sensor 6 Installation The fail safe sensor conforms to Performance Level e according to EN ISO 13849 1 2008 as well as to the requirements SIL 3 to IEC 61508 Depending on the type of installation the unit corresponds to the classification 11C40SP2M to IEC 60947 5 2 for flush installation as well as I2C40SP2M to IEC 60947 5 2 for non flush installation 6 Installation The fail safe inductive sensor has been certified by TUVNord 5 Function fail safe sensor dual LED signal yellow power green close zone enable zone safe switch off distance Sa target HO oF WDM 5 1 Enable zone The output is only enabled when damped in the enable zone Outside this enable zone the output remains switched off The safe switch off distance S is gt 30 mm The enable zone is different if damping elements which deviate from the standard target plate in terms of material form and size are used Enable zone for selected materials Material Ss Enablezone o FE360 mild steel Al 99 1 4 5 0 mm CuZn37 2 3 6 2 mm 0 8 4 3 mm Typical values for damping with a reference ta2. tion check Use the unit only in specified environmental conditions 10 Technical data In case of special operating conditions please contact the manufacturer Use only as described below 4 2 1 Safety related requirements regarding the application It must be ensured that the safety requirements of the respective application cor respond to the requirements stated in these instructions Observe the following requirements gt Take measures to avoid metallic objects being placed on the sensing face unintentionally gt Adhere to EN 1088 for interlocking devices associated with guards gt Adhere to the specified operating conditions 10 Technical data Use of the sensor in the vicinity of chemical and biological media as well as ionising radiation is not permitted gt Adhere to the principle of normally closed operation for all external safety circuits connected to the system gt In case of faults within the fail safe sensor which result in the defined safe State take measures to maintain the safe state when the complete control system continues to be operated gt Replace damaged units UK 3 Items supplied 1 fail safe sensor GM504S with premounted angle bracket 1 Allen key for fixing the fail safe sensor onto the angle bracket 1 original operating instructions GM504S ident no 80005491 If one of the above mentioned components is missing or damaged please contact one of the ifm branch offices
3. characteristics output CharacteristiCS ccccccsecscssesssecsecssseeseeeees 13 OSS 0 a E ET 13 94 Operating MOTO sscan aa eE 13 94 1 Delayed switching Of the LED wissciscc csccucssscniscecannsunicnasteeenercenetecanes 14 9 4 2 Switching of the LED without delay ce cecseeetseecsesssteeereees 14 9 5 Response UNG 5 x ccscjaancecassnnaecetauranseatsndeniaiiaenasieasc prise ianmomcnauiinnaonnri 15 9 6 LED CISL AY cceteactaneeoseessdechaposnatsasesctacnsetamaceaectecsesaseaene sei ae oiii 16 i FG Tecno O e eee ene ee ene T nee ees eee eee eee 17 11 Troubleshooting scape ponaseseericanderaeaniteniomctinecuandts sneanitisoncnitalsoundivsinmdabvemtioneniant ents 19 12 Maintenance repair and diSpOSal cccscecsssssssesssssssssessssseersersseeseesersaees 19 2 13 Approvals Standards cccccccccsscscsscsesscscsecsssscscsecssseeecsecessesecsesessesessssesaeeesas 19 14 Tems ANG AODIEVIANGINS ve secisssasscancscnticticastesd cx sesaunecstsv cesaGsiseiaeteseseeueecvaiencan 20 1 Preliminary note The instructions are part of the unit They are intended for authorised persons ac cording to the EMC and Low Voltage Directives and safety regulations The instructions contain information about the correct handling of the product Read the instructions before use to familiarise yourself with operating conditions installation and operation UK Follow the safety instructions 1 1 Explanation of symbols gt Instr
4. CE 05 2013 80005491 00 ifm electronic Original operating instructions Fail safe inductive sensor efeckorioo GM504S Contents MD RR UNAM UO TNO ined begat E E E AE E pene 3 1 1 Explanation of Sy A sssi 3 DZ SEM NS CONS eaa sass cnetscateee Setaaneaaestasecesycseeeateasanarcen 4 2 1 Safety related requirements regarding the application cccccseseeeeees A 3 items Supplied sscan AEAN AEE 5 4 Functions and features e sneesennneenesisineninensisisiirinnrsnnnnrninnnnnnnnnnnnnnnrnnnrnrnnnat 5 T FON ION e S E eer E ee eee 6 3 ENADE ZONE enan E E ee acas eae 6 5 2 Protection against simple defeating cccscsesssesserssssesssssersesssseesaees 7 OAS TAMA AAN cent E A A N E A T 8 6 1 Alignment of the sensing fACC cccececcesstsessetseecsssecessssssecesssseesesseeeseses 8 6 2 MMS TAM ANE C OMGNNOINS isco ac ateyedeseceeieta sch daveuedentaneteslegesivaceuendavexsevaiemmeceereescaes 8 T Electrical CONNECTION cccccccssessssscsscssssssscsessessessseessesesseseesassessesanseseeseesanees 10 7 1 Series connection of 2 10 fail safe inductive sensors c cceeereteeeeeeee 10 ORC E T eee ee en een er ee ee eee ee et ee eee 11 Os SC UMMC EE E E E 11 8 2 Determine the enable zone cccccscsseesssssssesssssseersersaseeseesessssrsaesasees 11 8 9 Deactivate seting ald seniii anaa a aa A EEA E DE 12 SEDs Eee p eco A E E ET RI E N A aes E ee 12 HEE E E A en E T E me E 12 9 2 Input
5. EN ISO 13849 1 2008 PL e safety of machinery safety related parts of control systems e IEC 60947 5 2 2008 Low voltage switchgear and controlgear Control circuit devices and switching elements Proximity switches IEC 61508 2000 UL508 14 Terms and abbreviations MTTFp Mean Time To Dangerous Failure Probability of dangerous Failure per Hour n eme max service life 20 21
6. PPE diecast zinc Weight kg 0 355 Displays operating elements Display LED yellow signal LED green power Electrical connection Connection M12 connector Gold plated contacts Wiring 2 2 l OR 3 4 1 Safety related logic unit Remarks Unless stated otherwise all data refer to the 45x45x1 mm reference target plate to IEC 60947 5 2 FE360 mild steel over the whole temperature range Pack quantity piece 1 ifm electronic gmbh Friedrichstra e 1 45128 Essen GB GM504S 02 10 01 2013 11 Troubleshooting LED display 9 6 Problem Possible cause Troubleshooting No LED display No voltage supply Apply voltage Power LED flashes Undervoltage Correct the voltage and sensor does not Overvoltage 10 Technical data switch Power LED off and Internal or external fault Undamp damp signal LED flashes e Power off on e Replace the unit e Check wiring connections e Check external electronics e g G150xS or PLC 12 Maintenance repair and disposal If used correctly no maintenance and repair measures are necessary Only the manufacturer is allowed to repair the unit After use dispose of the unit in an environmentally friendly way in accordance with the applicable national regulations 13 Approvals standards The following standards and directives have been applied e 2006 42 EC European Machinery Directive e 2004 108 EC EMC Directive e
7. TE 2 output 12 9 2 Input characteristics output characteristics The electrical input characteristics are compatible with the output characteristics to EN 61131 2 nominal current 0 1 A and nominal voltage 24 V 211V lt 30V_ Input current approx 3 mA Leakage current 500 pA Permissible test pulse duration lt 10ms S If the target is in the enable zone and there is no sensor fault the clock input signal is transferred to the output with the delay td The output characteristics are compatible with the input characteristics to EN 61131 2 type 1 or 2 UK Logic 1 215V 2 15 MA gt 11V 15 30 mA Output impedance typ 27 Q Logic 0 lt 5V Leakage current 0 mA pull down current typ 30 mA If the target is outside the enable zone the output is switched off logic 0 E Non observance of the time diagram e g no time offset td permanently logic 1 9 1 Sensor signals is a fault 9 3 Cross faults Cross faults are detected by the fail safe sensor and lead to an error mes sage permanently logic 1 The pull down current of the clock generator must not exceed 30 mA as the fail safe sensor can no longer switch this current An error message is no longer possible then 9 4 Operating mode The length of the preceding undamping determines whether the yellow LED comes on with a delay 9 4 1 or without delay 9 4 2 when a target moves into the enable zone In any case the output switches on
8. ng gt 30 mm for a time of more than 2 s e or by a voltage interruption 8 3 Deactivate setting aid 6 Installation 6 1 Alignment of the sensing face gt Tighten the socket according to the manufacturer s indications Observe the tightening torque for the ifm socket e g EVxxxx 0 6 1 5 Nm 6 2 Installation conditions e The unit is non flush mountable in steel in accordance with IEC 60947 5 2 type I2C40SP2M In addition one side of the unit can be mounted flush with steel e The unit can be mounted flush with copper aluminium and brass according to IEC 60947 5 2 type 11C40SP2M gt Ensure the unit cannot work loose gt Tighten captive screws with 1 Nm gt Limit the use of oblong holes to the initial setting gt Adhere to the installation conditions in accordance with the figures 1 to 5 7 Electrical connection Wiring diagram 10 Technical data gt Disconnect the unit Also disconnect any independently supplied relay load circuits gt Supply voltage connect L to pin 1 and L to pin 3 of the connector The nominal voltage is 24 V DC This voltage may vary between 19 2 V and 30 V incl 5 residual ripple to EN 61131 2 A safe industrial power supply with overvoltage protection must be used In case of a fault 42 V AC 60 V DC must not be exceeded 7 1 Series connection of 2 10 fail safe inductive sensors 10 8 Set up 8 1 Setting aid For easy and reliable installa
9. nnector Enable zone 10 15 mm nf non flush mountable Complies with the requirements EN ISO 13849 1 2008 category 4 PL e IEC 61508 SIL 3 Application Type of operation continuous operation maintenance free Electrical data Electrical design DC Operating voltage V 24 DC 19 2 30 DC Rated insulation voltage V 30 Current consumption mA lt 15 Protection class Ill Reverse polarity protection yes Power on delay time s 5 Output function Clock signal Short circuit protection yes Enable zone mm 10 15 Safe switching off distance s ar mm 30 ifm electronic gmbh Friedrichstra e 1 45128 Essen GB GM504S 02 10 01 2013 1 N Reaction times Response time to safety request ms lt 20 Response time when approaching ms the enable zone enable time lt 200 typ 100 Applications Class C to EN 60654 1 weatherproof application Ambient temperature C 25 70 for service life lt 87600 h 10 40 for service life lt 175200 h Rate of temperature change K min 0 5 Max relative air humidity 5 95 briefly 5 70 permanently Air pressure kPa 80 106 Protection IP 65 IP 67 to EN 60529 EMC IEC 60947 5 2 Shock resistance IEC 60947 5 2 Vibration resistance IEC 60947 5 2 Mission time TM h lt 175200 20 years Safety related reliability PFHd 1 h 1 1E 09 MTTFd Years 2500 DC CCF Cat 99 65 4 Mechanical data Mounting non flush mountable Housing materials
10. rget of 45 x 45 x 1 mm and non flush installa tion to IEC 60947 5 2 at an ambient temperature of 20 C Depending on the characteristics of the damping element there may be no close zone 5 2 Protection against simple defeating The fail safe sensor reacts to metal objects e g the frame of a safety door Other metal objects that are not intended to enable the sensor must not be allowed to enable the fail safe sensor unintentionally gt Take measures to prevent metal objects except the designated target from being placed on the sensing face or in the enable zone unintentio nally In addition the sensor has the following switching characteristics to make simple defeating of its safety function more difficult 1 By slowly introducing a metallic object into the enable zone the output is imme diately switched but displayed by the signal LED with a delay of about 3 s gt 9 4 1 Delayed switching of the LED By doing so the object is generally in the close range before the LED indication is lit The technical instructions concern ing the restart of the installation must be observed 2 If the object stays in the close range for longer than approx 2 s the output is completely disabled and no longer enabled if damped in the enable zone If the object stays in the close range for longer than approx 5 s the adjustment mode is activated 8 1 Setting aid Release of the enable zone can be carried out e either by undampi
11. ted zone Response time when approaching the enable zone enable time typ 100 ms lt 200 ms Response time when switching off the clock input lt 2ms Response time for enabling to rising edge of TE damped in the typ 40 ms enable zone max 100 ms Response time risk time for safety related faults lt Permissible dwell time in the close range approx 2 s Delay time to activate the adjustment mode gt 8 1 Setting aid approx 5 s Dwell time in the undamped condition 2 30 mm to return into the approx 2 s operating mode gt 8 3 Deactivate setting aid During this time the output is switched off logic 0 2 As from this instant the clock input signal is transferred to the output with a delay T 9 1 Sensor signals 15 9 6 LED display Operating status Signal No voltage supply Power Signal Undervoltage wl ri ri Power A O Signal Overvoltage Et moO a Power al Signal Output switched off safe state target outside the Power enable zone peel mode A or target in the enable zone adjustment mode Signal mt switched target in the enable zone operating wi ae m Signal Output switched off safe state target outside the Power enable zone adjustment mode Signal Internal or external fault 11 Troubleshooting Power 16 10 Technical data CE u Made in Germany LISTED NORD Product characteristics Fail safe inductive sensor Rectangular plastics M12 co
12. tion the sensor features an optical setting aid to visualise the enable zone The setting aid is activated by placing a metal object in front of the fail safe sensor close range After approx 5 s the yellow LED Starts to flash the setting aid is UK active While this mode is active the output XK Signal remains in the safe state 0 Power 1 close zone 2 enable zone 8 2 Determine the enable zone When the setting aid is active the enable zone can be determined by moving the target or the sensor if the target is fixed As soon as the target enters the ena ble zone the yellow LED goes out If the target is just outside the enable zone in either direction the LED starts to flash again w Signal Signal wW Signal Power Power Power 1 close zone 2 enable zone 8 3 Deactivate setting aid If the sensor is undamped for more than 2 s gt 30 mm the setting aid is switched off and the yellow LED goes out This can also be achieved by power 30 mm off W Signal Power 2s O Signal Power 1 close zone 2 enable zone 9 Operation 9 1 Sensor signals The safe state is when at least one of the outputs Logic 0 The fail safe sensor must be operated with a clock signal on its clock input TE The clock input signal must meet the defined time conditions see figure T1250 ms T2250 ms T 100 500 ms td 1 0 1 5 ms 10 1 clock input
13. uctions Cross reference Important note Non compliance can result in malfunction or interference G Information Supplementary note LEDon O LED off W LED flashes 2 Hz LED flashes quickly 5 Hz 2 Safety instructions Follow the operating instructions Improper use may result in malfunctions of the unit This can lead to personal injury and or damage to property during operation of the machine For this rea son note all remarks on installation and handling given in this document Also adhere to the safety instructions for the operation of the whole installation In case of non observance of notes or standards especially when tampering with and or modifying the unit any liability and warranty is excluded If the sensor is damaged the safety function cannot be guaranteed Errors caused by damage cannot be detected by the sensor The unit must be installed connected and put into operation by a qualified electrician trained in safety technology The applicable technical standards for the corresponding application must be complied with For installation the requirements according to EN 60204 must be observed In case of malfunction of the unit please contact the manufacturer Tampering with the unit is not allowed Disconnect the unit externally before handling it Also disconnect any indepen dently supplied relay load circuits After installation maintenance or repair of the system perform a complete func
14. without delay In case of undamping the output switches off and the yellow LED goes out without delay In case of damping in the close range the output switches off immediately whereas the yellow LED goes out with a delay of approx 2 s With the deactivation of the LED the output is maintained in the safe state logic 0 Thus switching on again in the enable zone is not possible Enabling is done by undamping gt 30 mm i of more than 2 s or by interrupting the voltage 5 2 Protection against simple defeating 9 4 1 Delayed switching of the LED If the target was away from the sensor for more than approx 2 s 0 gt 30 mm the yellow LED goes on r with a delay of approx 3 s in case of damping in the enable zone This is also the case if the target is in the enable zone when the voltage is switched on Undamping gt 2s Signal Power 1 close zone 2 enable zone 9 4 2 Switching of the LED without delay If the target was away from the sensor for less than 2 s gt 30 mm D the yellow LED comes on without 7 delay in case of damping in the enable zone Undamping gt 2s Signal Power 4 close zone except for the first start up 2 enable zone 14 9 5 Response times Without response time of the monitoring unit Response time on safety request removal from the enable zone lt 20 ms lt Response time when approaching the close range non safety lt T rela
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