Operating Instructions Safety Systems with Locking ESL-IH-AR
Contents
1. k ch I Unin 24 V 10 u 24 V 20 d HA SPS lt PLC 5x 0 34 mm D D D KN Ee Ka ESL AR n ESL AR n 1 ESL AR 1 n lon mA 1 m Max number of Possible output current per channel Max cable length from the last de devices FO1A FO1B vice to the control system 10 150 5 25 100 50 80 100 50 10 120 25 90 50 70 100 50 10 70 10 25 60 50 50 100 40 Determining cable lengths using the example table Example 6 devices are to be used in series Cabling with a length of 40 m is routed from a safety relay in the control cabinet to the last device 6 Cables with a length of 20 m each are connected between the individual ESL devices l 140 m l 5x20m u min 19 2 V y Sicherheits relais Luz Min 75 mA Safety Relay D ESL AR 6 ESL AR 5 ESL AR 4 ESL AR 3 ESL AR 2 ESL AR 1 Figure 1 Circuit example with six ESL AR 12 Operating Instructions ESL EUCHNER A safety relay is connected downstream which consumes 75 mA at each of the two safety inputs This operates over the whole temperature range with a voltage of 19 2 V corresponds to 24 V 20 All the relevant values can now be determined using the example table 1 Select the correspo2. With two wing hinged doors one of the two door wings additionally must be latched mechanically 1 Fasten the ESL using 4 M6 screws and washers sp Please note that the gap dimension between handle module and interlocking module is 0 3 mm the max vertical offset is 1 mm 2 Tighten the screws to a torque of max 10 Nm 3 Fit the enclosed cover caps to protect against tampering Operating Instructions ESL EUCHNER Electrical connection Warning Caution The following connection options are available Separate operation gt Series connection with Y distributors from EUCHNER gt Series connection e g with wiring in the control cabinet In case of an error loss of the safety function through incorrect connection To ensure safety both safety outputs FO1A and FO1B must always be eval uated gt The monitoring output OD must not be used as a safety output Lay the connection cables with protection to prevent the risk of short cir cuits Risk of damage to equipment or malfunctions as a result of incorrect connection Do not use a control system with pulsing or switch off the pulsing function in your control system The device generates its own clock signal on the output lines FOIA FO1B A downstream control system must tolerate these test pulses which may have a length of up to 1 ms The pulses are also present when the safety outputs are swit
3. es impulse withstand voltage 08 kV Rated short circuit current 100 A Resilience to vibration In acc with EN IEC 60947 5 2 Switching frequency 0 5 Hz Repeat accuracy R lt 10 EMC protection requirements In acc with EN IEC 60947 5 3 ee 3 400 ue tes Ke safety outputs 10 ms Reliability values acc to EN ISO 13849 1 Category 4 Performance Level PLe PFH 1 9x10 h Mission time 20 years 1 Values at a switching current of 50 mA without taking into account the cable length 2 Ans of O mm in door opening direction can be assumed for the calculation of characteristic safety values 3 Corresponds to the risk time according to EN 60947 5 3 This is the maximum switch off delay for the safety outputs after pulling on the handle module 19 Operating Instructions ESL EUCHNER Important Typical system times Ready delay After switching on the unit carries out a self test for 8 s The system is ready for operation only after this time Risk time according to EN 60947 5 3 If a handle module moves outside the operating distance the safety outputs FO1A and FO1B on the corresponding inter locking module are deactivated after a maximum of 260 ms If more than one device is used the value increases correspondingly see System times for switch chains Difference time The safety outputs FO1A and FO1B switch with a slight delay in relation to each other They have the same signal state at the latest after a d
4. jojon alN Mm t wiiren M12 plug connector M12 plug connector M12 plug connector 8 pin 8 pin 8 pin R n ESL AR n 1 ESL AR Figure 5 Connection example for series connection of several ESL AR devices Operating Instructions ESL EUCHNER Setup Important LED indicators LED Color State Significance illumi Le nated Ee Normal operation STATE green S flashing Teach in operation or Power Up for further signal function see status table illumi A l _ Internal electronics fault DIA red nated aN Fault at the inputs outputs Teach in function for handle module only ESL uni code The handle module must be assigned to the interlocking module using a teach in function before the system comprising interlocking module and handle module forms a functional unit During a teach in operation the safety outputs are in high resistance state i e the system is in the safe state When a handle module for which teach in operation is possible is in the operating distance monitoring output OD indicates this with a HIGH signal The interlocking module disables the code for the previous handle module if teach in is carried out for a new handle module Teach in is not possible again immediately for this actuator if a new teach in operation is carried out The disabled code is deleted again in the interlocking module only after a third code has been taught The interlocking modul
5. ESL EUCHNER Declaration of conformity More than safety d EUCHNER EUCHNER GmbH Co KG EG Konformitatserklarung Original DE S KohlhammerstraRe 16 EC Declaration of Conformity Translation EN SG 70771 Leinfelden Echterdingen CE D claration de Conformit Traduction FR 5 Germany CE Dichiarazione di conformita Traduzione IT amp CE Declaraci6n de Conformidad Traducci n ES Die nachfolgend aufgef hrten Produkte sind konform mit den Anforderungen der folgenden Richtlinien falls zutreffend The beneath listed products are in conformity with the requirements of the following directives if applicable Les produits mentionn s ci dessous sont conformes aux exigences impos es par les directives suivantes si valable prodotti sotto elencati sono conformi alle direttive sotto riportate dove applicabili Los productos listados a continuaci n son conforme a los requisitos de las siguientes directivas si fueran aplicables I 2006 42 EG Maschinenrichtlinie 2006 42 EC Machinery directive 2006 42 CE Directive Machines 2006 42 CE Direttiva Macchine 2006 42 CE Directiva de maquinas I 2004 108 EG EMV Richtlinie 2004 108 EC EMC Directive 2004 108 CE Directive de Compatibilit lectromagn tique 2004 108 CE Direttiva EMV 2004 108 CE Directiva CEM Die Schutzziele der Niederspannungsrichtlinie wurden gem Anhang I Nr 1 5 1 der Maschinenrichtlinie eingehalten The safety objetives of th
6. OB FO1B 4 IB FI1B 5 RST 5 RST 5 RST 5 RST Designation Version Order no Short circuit plug M12 4 pin plug 097645 Y distributor M12 with connection cable M12 1x8 pin 2x5 pin 111696 Y distributor M12 1x8 pin 2x5 pin 097627 Connection cable PVC 8 core flying M12 8 core 5m 100177 SS M12 8 core 10 m 100178 M12 8 core 20 m 100179 Tip Additional accessories particularly for series connection can be found at www euchner de Si Operating Instructions ESL EUCHNER Inspection and service Warning Loss of the safety function because of damage to the system In case of damage the affected module must be replaced Replacement of indi vidual parts of a module e g parts of the interlocking module is not permitted Regular inspection of the following is necessary to ensure trouble free long term operation Check the switching function see section Function test gt Check the secure fastening of the devices and the connections gt Check for soiling No servicing is required repairs to the device are only allowed to be made by the manufacturer Note The year of manufacture can be seen in the lower right corner of the rating plate Service If service support is required please contact EUCHNER GmbH Co KG KohlhammerstraBe 16 D 70771 Leinfelden Echterdingen Service telephone 49 711 7597 500 E mail info euchner de Internet www euchner de 22 Operating Instructions
7. a safety door is opened or if a fault occurs on one of the switches the system shuts down the machine A higher level control system can however not detect which safety door is open or on which switch a fault has occurred The switches can be reset via the RST input To do this a voltage of 24 V is applied to the RST input for at least 3 seconds The supply voltage to the switches is inter rupted during this time The RST input must be connected to O V if it is not used DC 24V o Connected load 15 Y Verteiler Y distributor Y Verteiler Y distributor Y Verteiler Y distributor ift Buchse ift Buchse Stift Buchse Kurzschlussstecker connector connector connector connector connector connector Short circuit plug male female male female male female 1 1 1 1 1 Irch Stift 2 2 2 2 p2 2 2 WN connector 3 3 e3 3 3 3 3 male 4 4 4 4 4 Anni 5 v5 5 vc 5 5 f 5 5 2 3 4 5 6 7 8 2 3 4 5 6 7 1 8 2 3 4 5 6 7 8 aja SA ks E alo SA a E ola SS Ka E SEI IEIEIEIE SlEISIRIEIEIEIE SES aIN mM joon AlN Mm
8. stalled in a separate location away from the input and output circuits for signal processing The cable routing for safety circuits should be as far away as possible from the cables of the power circuits gt In order to avoid EMC interference the physical environmental and operating conditions at the installation site of the device must comply with the require ments according to the standard EN 60204 1 2006 section 4 4 2 EMC Note on the scope of the UL approval Only for applications as per NFPA 79 Industrial Machinery The devices are tested according to the requirements of UL508 protection against electric shock and fire Operating Instructions ESL EUCHNER Important If the device does not appear to function when operating voltage is applied e g green STATE LED does not flash the safety switch must be returned unopened to the manufacturer 10 Operating Instructions ESL EUCHNER Caution Safety in case of faults The operating voltage U is reverse polarity protected gt The contacts FILA FI1B and FOIA FO1B are short circuit proof A short circuit between FI1A and FI1B or FOIA and FO1B is detected by the switch gt A short circuit in the cable can be excluded by laying the cable with protection Fuse protection for power supply The power supply must be provided with fuse protection depending on the number of devices and current required for the outputs The following rules apply Max
9. Operating Instructions Safety Systems with Locking ESL IH AR More than safety EUCHNER Operating Instructions ESL EUCHNER Contents Correct use Exclusion of liability and warranty General safety instructions Function System overview Modules Dimension drawing Changing the connection Mounting Electrical connection Safety in case of faults Fuse protection for power supply Requirements for connection cables Maximum cable lengths Connector assignment Connection of a single ESL Connection of several ESL devices in an AR switch chain Setup LED indicators Teach in function for handle module only ESL unicode Mechanical function test Electrical function test System status table Technical data Technical data for safety system ESL Ordering information and accessories Inspection and service Service Declaration of conformity 3 4 5 5 6 6 6 7 8 Operating Instructions ESL EUCHNER Correct use Important The safety system ESL is an interlocking device without guard locking In combination with a safety guard this safety component prevents dangerous machine movements from being performed for as long as the safety guard is opened A stop command is triggered if the safety guard is opened during the dangerous machine function Before safety switches are used a risk assessment must be performed on the machine e g in accordance with gt EN ISO 13849 1 Safety of machin
10. ad citada ff aoe f 7 ae nos d C a A peceni Leinfelden April 2013 Dipl Ing Stefan Euchner LA Duc Binh Nguyen Gesch ftsf hrer Dokumentationsbevolim chtigter EUCHNER GmbH Co KG Managing Director Documentation manager Kohihammerstra e 16 G rant d affaires Responsable documentation 70771 Leinfeiden Echterdingen Direttore Generale Responsabilit della documentazione Germany Director Gerente Agente documenta 23 04 2013 NG SM Blatt Sheet Page Pagina Pagina 1 EUCHNER GmbH Co KG KohihammerstraBe 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchner de 23 More than safety Euchner GmbH Co KG KohlhammerstraBe 16 D 70771 Leinfelden Echterdingen info euchner de www euchner de Edition 119138 04 04 14 Title Operating Instructions Safety Systems ESLIH AR translation of the original operating instructions Copyright EUCHNER GmbH Co KG 04 2014 Subject to technical modifications no responsibility is accept ed for the accuracy of this information EUCHNER
11. ched off De pending on the inertia of the connected device control system relay etc this can lead to short switching processes The inputs on an evaluation unit connected must be positive switching as the two outputs on the safety switch deliver a level of 24 V in the switched on state gt All the electrical connections must either be isolated from the mains supply by a safety transformer according to IEC EN 61558 2 6 with limited output voltage in the event of a fault or by other equivalent isolation measures For use and operation as per the Ji requirements a power supply with the feature for use in class 2 circuits must be used The same requirement applies to the safety outputs Alternative solutions must comply with the following requirements a Electrically isolated power supply unit with a max open circuit voltage of 30 V DC and a limited current of max 8 A b Electrically isolated power supply unit in combination with fuse as per UL248 This fuse should be designed for max 3 3 A and should be integrated into the 30 V DC voltage section For use and applications as per the requirements of A a connection ca ble listed under the UL category code CYJV2 must be used gt All electrical outputs must have an adequate protective circuit for inductive loads The outputs must be protected with a free wheeling diode for this pur pose Power devices which are a powerful source of interference must be in
12. current consumption of an individual device max UB t loo t FO1A FO1B Le Switch operating current max 40 mA op Monitoring output load current max 50 mA roinsro1g LOad current of safety outputs FO1A FO1B 2 x max 100 mA Max current consumption of a switch chain gt 2 keng lovasFo1 Wb lys T loo n Number of connected devices Requirements for connection cables Risk of damage to equipment or malfunctions as a result of incorrect connection cables Use connection components and connection cables from EUCHNER On the usage of other connection components the requirements in the fol lowing table apply EUCHNER provides no warranty for safe function in case of failure to comply with these requirements Observe the following requirements with respect to the connection cables Parameter Value Unit Conductor cross section min 0 14 0 34 mm R max 150 Q km C max 120 nF km L max 0 65 mH km Recommended cable type LIYY 8x or 5x 0 34 mm 11 Operating Instructions ESL EUCHNER Maximum cable lengths Switch chains are permitted up to a maximum overall cable length of 200 m taking into account the voltage drop as a result of the cable resistance see table below with example data and case example 200 m
13. d in a switch chain The user is responsible for the integration of the device into a safe overall system For this purpose the overall system must be validated e g in ac cordance with EN ISO 13849 2 gt Correct use requires observing the permissible operating parameters see Technical data gt If a product data sheet is included with the product the information on the data sheet applies in case of discrepancies with the operating instructions gt In the estimation of the PL for the overall system a maximum value of 100 years can be assumed for the MTTF according to the limit value in EN ISO 13849 1 2008 section 4 5 2 This corresponds to a minimum value for the PFH of 2 47x10 h When up to 11 devices are connected in series these limit values can be assumed for the entire switch chain as a subsystem As a subsystem this switch chain achieves PL e Operating Instructions ESL EUCHNER Important In the case of series connection of more than 11 devices the PFH can be calculated according to one of the stated methods in EN ISO 13849 1 2008 Section 4 5 1 gt If the simplified method according to section 6 3 of EN ISO 13849 2008 12 is used for validation the Performance Level PL might be reduced when more than 11 devices are connected in series Exclusion of liability and warranty In case of failure to comply with the conditions for correct use stated above or if the safety instructions are not fo
14. e Low Voltage Directive comply with Annex l No 1 5 1 of the Machinery Directive Les objectifs de s curit de la Directive Basse Tension sont conformes l annexe No 1 5 1 de la Directive Machines Gli obiettivi di sicurezza della Direttiva Bassa Tensione sono conformi a quanto riportato all allegato No 1 5 1 della Direttiva Macchine Los objetivos de seguridad de la Directiva de Bajo Voltaje cumplen con el Anexo No 1 5 1 de la Directiva de M quinas Folgende Normen sind angewandt a EN 60947 5 3 1999 A1 2005 Following standards are used b EN 1088 1995 A2 2008 Les normes suivantes sont appliqu es EN ISO 13849 1 2008 Vengono applicate le seguenti norme d EN ISO 13849 2 2012 Se utilizan los siguientes est ndares Bezeichnung der Sicherheitsbauteile Type Richtlinie Normen Zertifikats Nr Description of safety components Type Directives Standards No of certificate Description des composants s curit Type Directive Normes Num ro du certificat Descrizione dei componenti di sicurezza Tipo Direttiva Norme Numero del certificato Descripci n de componentes de seguridad Typo Directivas Est ndares N mero del certificado Sicherheitsschalter ESL LH a b c d UQS 117318 Safety Switches Interrupteurs de s curit Finecorsa di sicurezza Interruptores de seguridad Benannte Stelle NB 0035 Notified Body TUV Rheinland Industrie Service GmbH Organisme notifi Am Grauen Stein 51105 K ln Germany Sede indicata 2 Entid
15. e can only be operated with the last handle module taught gt The interlocking module enters normal operation when it detects the taught handle module after power up gt If the interlocking module detects a disabled handle module during teach in operation it enters a fault state at the end of the teach in operation gt If the closure is within the operating distance for less than 30 seconds the han dle module is not taught in and the interlocking module enters the fault state Teaching in handle module 1 Fit handle module 2 Close safety guard Check for correct alignment and distance and readjust if necessary 3 Apply operating voltage to the interlocking module The green LED flashes quickly approx 5 Hz A self test is performed during this time approx 8 s Teach in operation starts green LED flashes slowly approx 1 Hz The teach in operation is ended after approx 30 seconds and is positively acknowledged with an al ternating red green flashing sequence 4 To activate the handle module s code from the teach in operation in the interlock ing module the operating voltage must then be switched off at the interlocking module for min 3 seconds As an alternative 24V can be applied to the input RST for min 3 seconds 16 Operating Instructions ESL EUCHNER Warning Mechanical function test It must be possible to insert the closure easily into the interlocking module Close the safety guard seve
16. e of discrepancies with the operating instructions Technical data for safety system ESL Parameter Value Unit min typ max Housing material Diecast aluminum black powder coated Dimensions See dimension drawing Mass 0 4 kg tu eC 2a 20 55 C Degree of protection IP 67 Safety class lll Degree of contamination 3 nstallation position Any Connection M12 plug connector 8 pin Operating voltage U PELV reverse polarity protected 24 15 VDC regulated residual ripple lt 5 For the approval according to Operation only with UL class 2 power supply according to the following applies UL 1310 or equivalent measures Current consumption 40 mA Switching load according to DC 24 V class 2 External fuse operating voltage 0 25 S 3 S Safety outputs FOLA FO1B Semiconductor outputs p switching short circuit proof Output voltage 1 HIGH U FOIA ee i HIGH U FO1B g VDC LOW U FO1A FO1B 0 1 Switching current per safety output 1 150 mA Utilization category DC 13 24V 100 mA according to EN IEC 60947 5 2 Caution outputs must be protected with a free wheeling diode in case of inductive loads Monitoring output OD p switching short circuit proof Output voltage 0 8 x U Us VDC Max load 50 mA o o nm Rated insulation voltage U 75 V
17. ery Safety related parts of control systems General principles for design gt EN ISO 12100 Safety of machinery General principles for design Risk as sessment and risk reduction gt IEC 62061 Safety of machinery Functional safety of safety related electrical electronic and programmable electronic control systems Correct use includes compliance with the relevant requirements for installation and operation for example EN ISO 13849 1 Safety of machinery Safety related parts of control systems General principles for design gt EN 1088 Safety of machinery Interlocking devices associated with guards Principles for design and selection gt EN 60204 1 Safety of machinery Electrical equipment of machines General requirements gt EN 60947 5 3 Specification for low voltage switchgear and controlgear Con trol circuit devices and switching elements Requirements for proximity devices with defined behavior under fault conditions The safety system ESL can only be combined with the intended modules in the ESL system family On the modification of system components EUCHNER provides no warranty for function Several devices are only allowed to be connected in series using devices intended for series connection with the ESL Check the operating instructions for the related device A combination with other ESL devices or devices from other manufacturers is not allowed A maximum of 20 devices are allowed to be operate
18. ifference time of 10 ms System times for a single device Mill Safety outputs active t f Switch off time to Fault time event Pulling on handle module Missing signal FI1A FI1B Non identical input state at FILA FI1B Short circuit or cross circuit at FO1A FO1B or internal fault i t ms Le to 300 ms to toy ty 260 ms tow tp 150 ms Figure 6 System times for single device System times for switch chains The system times shown are maximum values for a circuit arrangement with 20 safety switches connected in series Shorter times can also be achieved in circuits with fewer switches Ml Safety outputs active Lu Switch off time to Fault time event Pulling on handle module Missing signal FI1A FI1B Non identical input state at FILA FI1B Short circuit or cross circuit at FOLA FO1B or internal fault l t ms i torr ty 400 ms to i Les ty 360 ms tow t 250 ms Figure 7 System times for switch chains 20 Operating Instructions ESL EUCHNER Ordering information and accessories Y distributor 111696 Short circuit connector 097645 Y distributor 097627 4 pin plug 231 4 5 8 Socket Pin Function Pin Function Pin Function Pin Function 1 Us 1 Us 1 UL 1 Us 2 OA FOIA 2 IA FILA 2 OA FOLA 2 IA FILA 3 DV 3 OV 3 OV 3 OV 4 OB FO1B 4 IB FI1B 4
19. ion gt who have read and understood the operating instructions Prior to use read the operating instructions and keep these in a safe place Ensure the operating instructions are always available during mounting setup and servicing work EUCHNER cannot provide any warranty in relation to the readability of the CD for the storage period required For this reason you should archive a printed copy of the operating instructions If you should lose the op erating instructions you can download this document from www EUCHNER de Together with a handle module the interlocking module makes it possible to inter lock movable safety guards The combination also serves as a mechanical door stop at the same time The interlocking module detects the position of the closure and thereby the position of the safety guard Operating Instructions ESL EUCHNER System overview Modules Interlocking module Handle modul Closure LED indicator Lock Dimension drawing Possible profiles 15 30 40 45 50 46 I Red LED e Maximum vertical offset between t C 2 interlocking mod 5 ule and handle H is H module 1 mm ui 8 H Green LED H8 f e w DH 8 w I
20. llowed or if any servicing is not performed as required liability will be excluded and the warranty void Operating Instructions ESL EUCHNER General safety instructions Function Warning Important Safety switches fulfill personal protection functions Incorrect installation or tam pering can lead to fatal injuries to personnel Check the safe function of the safety guard particularly gt after any setup work each time after the replacement of an ESL module gt after an extended period without use gt after every fault Independent of these checks the safe function of the safety guard should be checked at suitable intervals as part of the maintenance schedule Danger of fatal injury in the event of incorrect connection or incorrect use gt Safety switches must not be bypassed bridging of contacts turned away removed or otherwise rendered ineffective On this topic pay attention in particular to the measures for reducing the pos sibility of bypassing from EN 1088 1995 A2 2008 section 5 7 The switching operation may be triggered only by the handle module ESLH designated for this purpose The device is only allowed to be installed and placed in operation by authorized personnel who are familiar with the correct handling of safety components gt who are familiar with the applicable EMC regulations gt who are familiar with the applicable regulations on health and safety and ac cident prevent
21. nding section in the column n max number of devices Here 6 switches 2 In column Le possible output current per channel FO1A FO1B find a current greater than or equal to 75 mA Here 100 mA sp The maximum cable length from the control system to the start of the switch chain is listed in column 1 Here a length of 50 m is permitted Result The desired cable length of 40 m is below the permitted value from the table The overall length of the switch chain of 140 mis less than the maximum value of 200 m The planned application is therefore functional in this form Connector assignment oa CO mp Coding lug View on the connection side of the safety switch Figure 2 Connector assignment Wire color as per Pin Designation Description DIN 47100 1 FI1B Enable input for channel 2 white 2 UB Power supply DC 24 V brown 3 FOIA Safety output channel 1 green 4 FO1B Safety output channel 2 yellow 5 OD Monitoring output gray 6 FILA Enable input for channel 1 pink 7 OV Ground DC 0 V blue 8 RST Reset input for hardware reset red l3 Operating Instructions ESL EUCHNER Warning Connection of a single ESL If a single ESL is used connect the device as shown in Figure 3 The OD output can also be connected here to a control system as a monitoring output The device can be reset via the RST input To do this a voltage of 24 V is applied to
22. nterlocking f module Handle M12x1 x1 module 9 Z Alignment corresponds Plug connector to as delivered X1 is adjustable state a by 8 x 45 25 View Z 8 8 a Ip Assembly with 4 x M6 screw non removable 2 screw 4 x washer Interlocking module mounted flush on profile Gap dimension 0 3 mm Operating Instructions ESL EUCHNER Changing the connection The plug connector position can be adapted to suit the installation This change must be performed before assembly 1 Press the plug connector with the plastic inserts out of the profile slot sp To adjust only the cable exit for angled plug connectors align the plug and the inserts accordingly and press the plug back into the profile slot 2 Remove the connection cap on the opposite side 3 For angled plug connectors align the plug and the inserts accordingly 4 Press the plug into the profile slot on the opposite side 5 Seal the other opening with the connection cap Operating Instructions ESL EUCHNER Mounting Caution The device is not suitable for use on sliding doors When mounting take care not to trap the cables between the device and the profile Permanently connect the actuator and handle module to the safety guard so that it cannot be detached e g using non removable screws Important When mounting different transponder coded safety switches observe the stipulated minimum distance to avoid mutual interference 60
23. ral times to check the function Electrical function test After installation and any fault the safety function must be fully checked Proceed as follows Danger of fatal injury as a result of faults in installation and functional check Before carrying out the functional check make sure that there are no per sons in the danger area gt Observe the valid accident prevention regulations 1 Switch on operating voltage gt The interlocking module carries out a self test The green STATE LED flashes for 8 s with 5 Hz The STATE LED then flashes at regular intervals 2 Close all safety guards gt The machine must not start automatically gt The green STATE LED illuminates continuously 3 Enable operation in the control system 4 Open the safety guard gt The machine must switch off and it must not be possible to start it as long as the safety guard is open gt The green STATE LED flashes at regular intervals Repeat steps 2 4 for each safety guard 17 Operating Instructions ESL EUCHNER System status table a LED indicator S ia output S Z Is S 5 T Operating mode Ba 3 State El 3a E Ei zE 5 ZS Sal 2s lt x x I2 As a a 5 Hz Self test X off 8s O Self test after power up closed on 7 O Door closed Normal operation open off Ka Ja O Door open open off RE 2x O Door open no handle module taught
24. see setup for teach in operation ate ap closed off SE prox Teach in operation Setup 30 s X off E ke E Positive acknowledgment after completion of teach in operation ze Al g X off Ire 1x rane Error during teach in H off 2 iwert Input error e g missing test pulses illogical switch state from previous switch ed i closed off WG 3x Faulty handle module e g error in code or code cannot be read Fault display X off L 4x iwert Output error e g short circuits loss of switching ability ed NY X off L 5x ae Blocked handle module X off O gt lt Internal fault e g component faulty data error O LED not illuminated l S LED illuminated E 5 Hz 8 s LED flashes for 8 seconds at 5 Hz Key to symbols e 3x LED flashes three times E LED flashes continuously H Any state After the cause has been remedied faults can generally be reset by opening and closing the door If the fault is still displayed afterward use the reset function or briefly interrupt the power supply Please contact the manufacturer if the fault could not be reset after restarting Important If you do not find the displayed device status in the System status table this indi cates an internal device fault In this case you should contact the manufacturer 18 Operating Instructions ESL EUCHNER Technical data Note H a product data sheet is included with the product the information on the data sheet applies in cas
25. the RST input for at least 3 seconds The supply voltage to the switch is inter rupted during this time The RST input must be connected to O V if it is not used DC 24 V O lt ole x H Al 13 S ISS Ce Li 14 Al 13 NORCO K Zs ees M12 plug connector 8 pin ESL AR 1 M1 u GND Figure 3 Connection example for a single ESL AR In case of an error loss of the safety function through incorrect connection To ensure safety both safety outputs FO1A and FO1B must always be eval uated Single channel use of the safety outputs leads to a reduction of the category in accordance with EN ISO 13849 1 DC 24 V o m Es m a lt gt l Al age f z gt 2 2 S z 5 2 nD a aINP OM T Ool OoOIN o di eo M12 plug connector 8 pin NI ESL AR 1 MA M g GND Figure 4 Example of incorrect connection 14 EUCHNER Operating Instructions ESL Connection of several ESL devices in an AR switch chain Important gt A switch chain may contain a maximum of 20 safety switches gt In the estimation of the PL for the overall system a maximum value of 100 years can be assumed for the MTTF according to the limit value in EN ISO 13849 1 2008 section 4 5 2 This corresponds to a minimum value for the PFH of 2 47x108 h The devices are connected in series using plug connectors and Y distributors If
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