Operating Instructions AR Evaluation Unit CES-AR-AES-12
Contents
1. 09 EN B 58 56 Fig 1 Terminal assignment LEDs and reset button LED indicators LED Color Significance STATE green Device status OUT yellow Switch chain status DIA red Fault display Reset button With the reset button pressed the power supply for the AR evaluation unit and as a result for the entire AR switch chain is interrupted After it is released the AR evaluation unit and the switches connected restart with a self test 16 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER System status table Door monitor Indicator LEDs ing outputs S8 Operating mode Sa 8 2 e State sa g El o c ES z 2c lt Es xo 5 2a a os Ga 3 8 Self test X off re i off off Self test after power up off EG off off Normal operation at least one door open N N closed ES ES On off Normal operation all doors closed M Normal operation all doors closed start button not Normal operation closed off HS 3Hz off pressed or fault in the feedback loop M Normal operation all doors closed feedback loop closed off 9 was open during attempt to start Faulty data transmission for status signals safety X X 5 TA off On circuit not affected Fault in the AR switch chain e g fault on starting th2. the self test is being carried out After the self test the STATE LED illumi nates continuously The OUT LED flashes since no start command has been issued yet 5 Press the start button only necessary for manual start 6 Then press the RST button on the AR evaluation unit for approx 3 s to re start the device Checkthe correct function of the safety circuits connected In case of problems see section Troubleshooting Use the status table in the section Troubleshooting to check the overall function In addition the status LEDs on the respective safety switches provide information about the status of the respective switch 15 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Status LEDs control elements and terminal assignment Troubleshooting The AR evaluation unit has status LEDs for the most important operating states The significance of the individual LED states is explained in the System Status table in the section Troubleshooting Eeselen UB 200 EUCHNER eee DIA OUT STATE EUGHNER Safety Unit 88 Safety Unit CES AR CES AR AES 12 RESET SIE poog poog Loog ooo 05 o6 o7
3. 4 V 20 55 C Atmospheric humidity not condensing 80 Degree of protection according to EN 60529 IP20 Degree of contamination 2 Mounting DIN rail 35 mm according to EN 60715 Connection plug in screw terminals coded 0 14 2 5 mm Operating voltage U regulated residual ripple 5 24 x 1096 V DC Current consumption with relay energized 1 29 A External fuse operating voltage U 2 5 8 AgG Safety contacts 4 relays with internally monitored contacts Switching current relay outputs at switching voltage AC DC 21 60 1 300 A at switching voltage AC DC 5 30V 10 6000 at switching voltage AC 5 230V 10 5000 External fuse safety circuit according to EN 60269 1 6 A gG or 6 A circuit breaker characteristic B or C Utilization category acc to EN 60947 5 1 AC 12 60V 0 3A DC 12 60V 0 3A AC 12 30V 6A DC 12 30V 6A AC 15 230V 5A DC 13 24V 5A Rated insulation voltage U 250 V Rated impulse withstand voltage U 4 kV Resilience to vibration In acc with EN 60947 5 2 Mechanical operating cycles relays 10 x 106 Current via feedback loop Y1 Y2 5 8 10 mA Permissible resistance via feedback loop 600 Q Monitoring outputs O1 012 DIA and OUT AR semiconductor outputs p switching short circuit proof Output voltage 0 8 x Us Us VDC Max load 20 mA Switching frequency 1 Hz Start button input S test input TST Input voltage LOW 0 2 V DC HIGH 15 U Input current HIGH 5 8 10 mA Safety inputs IA IB 2 for
4. 5 2 X5 3 13 23 33 43 Feedback _ Feed II Monitoring Outputs T Fig 1 Block diagram AR evaluation unit 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 according to EN 1088 1995 A2 2008 sec 5 7 The AR evaluation unit must be mounted in a control cabinet with a minimum degree of protection of IP 54 A snap in element on the rear of the device is used for fastening to a DIN rail gt If several evaluation units are mounted side by side in a control cabinet with out air circulation e g fan a minimum distance of 10 mm must be main tained between the evaluation units This distance enables the heat from the evaluation unit to dissipate Follow the mounting instructions in the accompanying documents for the safety Switches connected Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Electrical connection Warning Caution In case of an error loss of the safety function through incorrect connection Monitoring outputs must not be used as safety outputs 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 All the electrical connections must either be isolated from the mains supply by a safet
5. Auswertegerat Safety Unit Analyseur CES AR AES 12 LU a b c d Euchner PB 53 2007 Centralina Unidad de evaluaci n Tel Leinfelden November 2012 ipl Ing Stefan Euchner LA Duc Binh Nguyen Gesch ftsf hrer Dokumentationsbevollm chtigter EUCHNER GmbH Co KG Managing Director Documentation manager Kohlhammerstra e 16 G rant d affaires Responsable documentation 70771 Leinfelden Echterdingen Direttore Generale Responsabilit della documentazione Germany Director Gerente Agente documenta NG MS TPS Blatt Sheet Page Pagina Pagina 2 EUCHNER GmbH Co KG Kohlhammerstra amp e 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchnar de 23 More than safety Euchner GmbH Co KG Kohlhammerstra e 16 D 70771 Leinfelden Echterdingen info euchner de www euchner de Edition 098221 03 01 13 Title Operating Instructions AR Evaluation Unit CES AR AES 12 translation of the original operating instructions Copyright EUCHNER GmbH Co KG 01 2013 Subject to technical modifications no responsibility is accepted for the accuracy of this information EUCHNER
6. CES AR switch chain Number of connectible safety switches Max 12 EMC protection requirements In acc with EN 60947 5 3 Reliability values according to EN ISO 13849 1 as a function of the switching current at 24 V DC lt 0 1 lt 1A lt 3A Category 4 Performance Level PL e PFH 1 5x 108 Mission time 20 years Number of switching cycles year 720000 540000 107000 1 Taking into account the load currents at the monitoring outputs 20 mA each 18 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Important Dimension drawing 45 114 _ IL E I 2000 2000 2000 0000 STE 2105 EUCHNER Safety Unit DIA OUT STATE 99 Lood poog Suitable for DIN rail according to DIN 60715 System times for the AR system 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 an actuator leaves the operating distance the safety contacts on the AR evaluation unit are opened at the latest after 520 ms Difference time The safety contacts on the AR evaluation unit switch with a slight time offset They have the same signal state at the latest after a difference time of 10 ms The system times shown are maximum values for a circuit arrange
7. Operating Instructions AR Evaluation Unit CES AR AES 12 More than safety Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Contents Correct use Possible combinations on the AR evaluation unit Exclusion of liability and warranty General safety instructions Function Block diagram CES AR AES 12 Mounting Electrical connection Safety in case of faults Connecting AR switch chain Starting behavior Connecting safety contacts and feedback loop Connecting monitoring outputs on the AR evaluation unit Connection example Setup Status LEDs control elements and terminal assignment LED indicators Reset button Troubleshooting System status table Technical data Dimension drawing System times for the AR system Ordering information and accessories Inspection and service Service Declaration of conformity 3 4 4 5 6 6 6 7 7 9 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Correct use Important The AR evaluation unit is used for the central evaluation of safety related signals in AR switch chains In combination with a separating safety guard and the machine control this safety component prevents dangerous machine movements from occurring while the safety guard is open A stop command is triggered if the safety guard is opened during the dangerous machine function or if guard locking is deactivated Before safety switches are used a risk assessment
8. a 1 1 3 1 X3 2 3 3 3 4 7 1 7 2 7 3 7 4 X4 X4 2 X4 3 X4 4 X6 Pou Wo fos Tos qos Pos oro fo11 9012 Pour ar 24 OV Fig 9 Connection example for a mixed switch chain with 2 x CES AR and 1 x CET AR 14 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Setup Warning Important Pay attention to the notes on commissioning and on the teach in process in the operating instructions for the safety switch used In case of devices with teach in input ensure the circuit is correct Proceed as follows 1 2 Ensure nobody can be placed in danger during setup Prior to setup check whether all connections are correct jumpers connected external circuit correct and the AR switch chain is fitted with a bridging plug Close all safety guards and make sure that the feedback loop on the evaluation unit is closed Switch on the power supply The switches in the chain are initialized on starting Unicode switches that have or not yet taught in an actuator on starting automatically teach in the actuator This process can take up to one minute If the AR evaluation unit is set up for automatic start the OUT LED flashes and signals that the self test is being performed After the self test the OUT and STATE LEDs are continuously lit If you start the AR evaluation unit manually the STATE LED flashes and signals that
9. afety switches that are suitable for operation in an AR switch chain can be connected Safety switches with start input are not suitable for connection to an AR evalu ation unit In the case Unicode switches the actuators must be taughtin at the read head See the operating instructions for the related safety switch For the AR system to function a bridging plug must be connected to the first safety switch in the AR switch chain or a jumper between IA IB and UB H n kbe llb ak LI UB OV AR 0 0 0 0 B Connection for OJ amp lO guard locking eL LIO solenoid i OO CES AR CO1 1 Use common ground potential for AR evaluation unit and opera ay tion of the solenoid OL fo y See Connection example on page 14 CET AR n CES AR C 2 1 Fig 3 Schematic diagram showing connection of an AR switch chain Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Important Important Warning Starting behavior The AR evaluation unit can be placed in operation either using the autostart mode or by starting it manually If the configuration for the starting behavior is changed during operation e g jumper removed this change will be de
10. ain The safety switch with bridging plug has the monitoring output O1 From here the output assignments are incremented up to the last switch in the chain Several monitoring outputs are occupied depending on the switch type e g one monitoring output for the door position and one for the guard locking status The table below shows how many monitoring outputs the individual safety switches Series Number type of monitoring outputs CES AR door position OUT or diagnostics DIA CET1 2 AR status of m locking OUT CET3 4 AR door position OUT D and Er of guard locking OUT 13 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Connection example 24 OV A u UB RST BIB Safety Output 7 5 i ov LE Von OA ks 18 fs 8 6 I 2 Read Head Read Head Safety Output CES 5 o EUCHNERICES S ji RoB 518 r T e 14 EUCHNERICET Jes D BEDI 8 ET Bu IB 24 2 5 X2 3 xl X X1 6 X1 Safety Read Head Inputs T t T RD 24V DC Door Monitoring 1 Safety Safety Monitoring Output 1 Output Output Feedback O E 1X8 Sri d i i DO Switch den Monitoring Outputs l et bp Ae DC 24 V TE St EREA 098225 1 SERE EZ adipi OV To
11. contacts and feedback loop Important If you do not connect the feedback loop the downstream devices will not be monitored This situation will affect the safety category of your system The unit has four redundant positively driven safety contacts that switch off im mediately if the actuator is removed at one of the connected safety switches or if a fault occurs To check the switching state of a connected load the auxiliary contacts on a contactor or relay can be connected to terminals Y1 and Y2 to form a feedback loop see Figure 6 24V ee gt CES AR AES Ise TB Subsequent devices e g contactors Fig 6 Safety contacts and feedback loop connected The unit detects external short circuits on the feedback loop at the start by pulsing the output signal on Y1 e g static DC 24 V on the feedback loop 11 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER If a feedback loop is not to be connected a jumper must be fitted to the terminals Y1 and Y2 see Figure 7 24 V 13 23 334 Subsequent devices e g contactors Fig 7 Safety contacts connected and jumper on the feedback loop The following conditions must be met for the safety contacts to be closed For manual start The feedback loop is closed The start button has been pressed and released switches on falling edge All safety doors closed For automatic start The feedback loop is closed All safety
12. ctions Incorrect installation or tamper ing can lead to severe injuries to personnel The number of teach in and switching operations is saved in the internal memory in the AR evaluation unit If necessary this memory can be read by the manufacturer Check the safe function of the safety guard particularly after any setup work after the replacement of a CES component after an extended period without use 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 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 device is only allowed to be installed and placed in operation by authorized personnel who are familiar with the correct handling of safety components who are familiar with the applicable EMC regulations who are familiar with the applicable regulations on health and safety and ac cident prevention who have read and understood the operating instructions Prior to use read the operating instructions of the CES component used and keep them in a safe place Ensure the operating instructions are always available during m
13. doors closed If the feedback loop is open the DIA LED flashes and the STATE LED is lit see section Troubleshooting The monitoring output DIA is set The safety contacts remain open if the feedback loop is open at the start The unit switches to fault state the DIA LED illuminates and the STATE LED flashes see section Troubleshooting 12 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Connecting monitoring outputs on the AR evaluation unit The AR evaluation unit has 14 short circuit proof semiconductor outputs that can be used to signal different operating states e g to a PLC If the monitoring output is active a voltage of max 24 V DC is present at the related terminal referred to the potential at terminal O V min 0 8x 20 01 02 03 012 OUT DIA AR Fig 8 Monitoring outputs CES AR AES Significance of the signals with monitoring output active O1 O12 Status of safety switches 1 12 actuator at operating distance or guard locking status OUT AR All connected safety switches in state Enable All actuators in operating distance and all guard locking devices active DIA Fault on the AR evaluation unit or on a safety switch in the AR switch chain or feedback loop was open during start see section Troubleshooting Assignment of safety switches to monitoring outputs At least one monitoring output is assigned to each safety switch in the AR switch ch
14. e x 9 1 g On switch chain or more than 12 devices connected Fault on the safety outputs or on the start button e g start configuration changed operation no X 9 7x 9 2x 0 On erroneous signals from the switch chain broken cable on one of the channels or l or short circuit ground fault on one of the cables or M Fault on the safety relay re start device X 0 IN 9 4x 9 On If fault is still indicated contact manufacturer Nu Internal component fault re start device Fault display x 9 5 8 On If fault is still indicated contact manufacturer Fault in feedback loop e g feedback loop not connected on power up missing jumper between Y1 Y2 X of Sec 6x off On er Fault in the start button e g on autostart jumper between S U instead of S Y1 Start button stuck X off X off On Start failed three times contact manufacturer LED not illuminated X LED illuminated Key to symbols 3 c 15 Hz 8 s LED flashes for 8 seconds at 15 Hz E 3x LED flashes three times X Any state 17 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Technical data Value Parameter Unit min typ max Housing material Plastic PA6 6 Dimensions 114 x 99 x 22 5 mm Weight 0 25 kg Ambient temperature at U DC 2
15. e Conformidad Traducci n ES S e Die nachfolgend aufgef hrten Produkte sind konform mit den Anforderungen der folgenden Richtlinien falls zutreffend T 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 1 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 2008 42 EC Machinery directive 2006 42 CE Directive Machines 2006 42 CE Direttiva Macchine 2006 42 CE Directiva de m quinas Il 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 Nr 1 5 1 der Maschinenrichtlinie eingehalten The safety objetives of the Low Voltage Directive comply with Annex I No 1 5 1 of the Machinery Directive Les objectifs de s curit de la Directive Basse Tension sont conformes l annexe I No 1 5 1 de la Directive Machines Gli obiettivi di sicurezza della Direttiva Bassa Tensione sono conformi a quanto riportato all allegato I No 1 5 1 della Direttiva Macchine Los objetivos de seguridad de la Directiva de Bajo Vol
16. e than 11 devices are connected in series It is only allowed to use components that are permissible in accordance with the table below Possible combinations on the AR evaluation unit Actuator g S S N 10 N e e gt o o 7 y En Evaluation unit Safety switch gt la S x amp S amp 2 2 2 5 e t th m m z es 8 ie g se 38 38 38 ME NB HB H8 H8 H3 83 Bz BE CES AR CO1 from V1 1 2 see rating plate on e e the device CES AR CR2 from V1 1 2 see rating plate on e e e the device AR evaluation unit T SS un see rating plate on e the device CET1 2 AR from V1 1 2 8 see rating plate on the device CET3 4 AR from V1 0 0 A see rating plate on the device e e Combination possible combination on request AY Combination possible guard locking for process protection Key to symbols S H t 8 Combination possible guard locking for personal protection combination on request Combination not permissible 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 followed or if any servicing is not performed as required liability will be excluded and the warranty void Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER General safety instructions Warning Important Safety switches fulfill personal protection fun
17. g voltage U is reverse polarity protected The connections UB AR and OV AR for the read heads are not short circuit proof A short circuit between safety contacts can only be detected by external puls ing A short circuit in the cable can be excluded by laying the cable with protection Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Power supply The power supply of 24 V DC is supplied to the AR evaluation unit The AR switch chain must be supplied with DC 24 V DC by the AR evaluation unit OV XUB UBI Lo connected together internally ES AR AES Fig 2 Power supply Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Important Connecting AR switch chain The AR evaluation unit has two safety inputs to which the AR switch chain is con nected Safety inputs IA and IB have short circuit and earth fault monitoring The AR switch chain must be supplied by the AR evaluation unit terminals and An additional power supply may be required for these safety switches e g for guard locking depending on which safety switches are used in the AR switch chain see Figure 5 In case of switches with guard locking the supply for the guard locking solenoid must be at the potential of the AR evaluation unit Informa tion on this is provided in the operating instructions of the respective safety switch A maximum of 12 safety switches can be connected Only s
18. ment with 12 safety switches connected in an AR switch chain Shorter times can also be achieved in circuits with fewer switches BEE Safety outputs active tot Switch off time Fault time event to Actuator removal or deactivating of a guard locking Normal operation Non identical input state on IA IB or short circuit on IA or IB or internal fault Short circuit on IA IB Fault detection t ms tod to to 750 ms to Luz to 520 ms Luz tg 450 ms Fig 9 System times for AR evaluation unit on an AR switch chain with 12 safety switches 19 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Ordering information and accessories Check whether all parts are complete The connection terminals are not included with the unit Cables for connection of the AR switch chain must also be ordered separately Refer to the operating instructions of the safety switches used The following parts are supplied 1 AR evaluation unit CES AR AES 12 Safety information and maintenance please retain CD with operating instructions please retain Category and PL according to EN ISO 13849 1 Series 7 Order No Version AR evaluation unit 4 PLe 098225 CES AR AES 12 CES AR AES 12 A 104776 Connection set Bus Menue CES EATC AK08 104776 for AR evaluation unit CES AR AES 12 112629 Plug in spring terminals CES EATC KKO8 112629 For ordering information on connection c
19. must be performed on the machine in accordance with EN ISO 13849 1 Safety of machinery Safety related parts of control systems General principles for design EN ISO 12100 Safety of machinery General principles for design Risk as sessment and risk reduction 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 in particular EN ISO 13849 1 Safety of machinery Safety related parts of control systems General principles for design EN 1088 Safety of machinery Interlocking devices associated with guards Principles for design and selection EN 60204 1 Safety of machinery Electrical equipment of machines General requirements 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 Only safety switches that are suitable for operation in an AR switch chain can be evaluated Check the operating instructions for the related safety switch Combina tion with devices that are not suitable for use in an AR switch chain or with devices from other manufacturers is not permitted A maximum of 12 safety switches in an AR switch chain can be connected to the AR evaluation unit CES AR AES 1 2 U
20. nicode and Multicode version switches can be connected Unicode and Multicode versions can be combined in an AR 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 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 n 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 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 AR Evaluation Unit CES AR AES 12 EUCHNER Important In the case of series connection of more than 11 switches in a chain 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 mor
21. omponents please refer to the accompa nying documents safety switches used or current sales documentation You can obtain additional installation material or spare parts from EUCHNER Inspection and service Danger Loss of safety function due to damage to unit or the connected safety switches In case of damage the related component must be replaced Regular inspection of the following is necessary to ensure trouble free long term operation Check the switching function Check the secure fastening of the devices and the connections Check for soiling e g the ventilation slots on the housing No servicing is required repairs to the device are only allowed to be made by the manufacturer 20 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Service If service support is required please contact EUCHNER GmbH Co KG Kohlhammerstra e 16 D 70771 Leinfelden Echterdingen Service telephone 49 711 7597 500 E mail info euchner de Internet www euchner de 21 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Declaration of conformity AN EUCHNER More than safety gt EUCHNER GmbH Co KG EG Konformit tserkl rung Original DE 3 Kohlhammerstra e 16 EC Declaration of Conformity Translation EN 70771 Leinfelden Echterdingen CE D claration de Conformit Traduction FR A Germany CE Dichiarazione di conformit Traduzione IT 3 CE Declaraci n d
22. ounting setup and servicing EUCHNER cannot provide any warranty in relation to the readability of the CD DVD for the storage period required For this reason you should archive a printed copy of the operating instructions You can download the operating instructions from www EUCHNER de Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER Function Mounting Caution Important The AR evaluation unit is used to evaluate the individual safety switches in an AR switch chain and to reliably interrupt a safety circuit The unit has two inputs for the connection of an AR switch chain The safety contacts are switched as a function of the input signals Downstream parts of the safety circuit can be monitored using a feedback loop The switching states of the connected safety switches can be signaled by means of monitoring outputs If the actuator on one of the safety switches in the AR switch chain is moved out of the operating distance or if guard locking is deactivated the AR evaluation unit opens its relay contacts and the corresponding monitoring output is switched off The system is designed so that failures will not result in the loss of the safety func tion The occurrence of failures is detected by cyclic self monitoring at the latest at the next demand to close the safety contacts The system can be started either manually using a start button or automatically Block diagram CES AR AES 12 O O O X5 1 X
23. taje cumplen con el Anexo I 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 2008 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 Typo Directivas Est ndares Numero del certificado seguridad CES AP CL2 AH SF CES AP CR2 AH SF CES AP CL2 CH SF Sicherheitsschalter CES AP CR2 CH SF Safety Switches CES AP CL2 AH SB interrupteurs de s curit CES AP CR2 AH SB LU a b c d ET 12056 Finecorsa di sicurezza CES AP CL2 CH SB interruptores de seguridad CES AP CR2 CH SB CES AP CL2 AH Lxx CES AP CR2 AH Lxx CES AP CL2 CH Lxx CES AP CR2 CH Lxx CES AP CO01 CH SA LU abcd ET 12084 5 1 5 CES AR C01 CH SA a bcd ET 12084 CES AR C01 EH SA CES AR CL2 AH SA CES AR CR2 AH SA CES AR CL2 CH SA CES AR CR2 CH SA CES AR CL2 AH SG CES AR CR2 AH SG 12066 CES AR CL2 CH SG igi CES AR CR2 CH SG CES AR CL2 AH Lxx CES AR CR2 AH Lxx CES AR CL2 CH Lx
24. tected by the unit The AR evaluation unit assumes the fault state as soon as the next request to close the safety contacts is received see section Troubleshooting Connection for monitored manual start For a monitored manual start a start button is connected to terminal S The start button is supplied with a voltage of 24 V DC The terminal UB can be used for this purpose A sticking start button for example will be detected by the monitoring function the next time the system is powered up The safety contacts close after max 600 ms when the start button is pressed and then released again falling edge and if the actuators for all the safety switches connected are within the operating distance Fig 4 Monitored manual start The start button is only allowed to be pressed approx 8 s after power on If the start button is pressed earlier the unit will switch to the fault state and the LED DIA illuminates The LED STATE flashes see section Troubleshooting Connection for automatic start The safety contacts close immediately if all safety switches signal a safe state and the feedback loop is closed Fig 5 Automatic start 10 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER For the autostart mode a jumper must be connected between the terminals S and Y1 By pulsing the output signal on Y1 the device detects short circuits on starting e g static DC 24 V on input S Connecting safety
25. x CES AR CR2 CH Lxx NG MS TPS Blatt Sheet Page Pagina P gina 1 EUCHNER GmbH Co KG Kohlhammerstra e 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchner de 22 Operating Instructions AR Evaluation Unit CES AR AES 12 EUCHNER More than safety elem EUCHNER Bet tiger CES A BLN L2 Actuator CES A BLN R2 b d 12056 Actionneur CES A BLN U2 ET 12066 Azionatore CES A BDN 06 Actuador CES A BBA CES A BCA CES A BPA Ltt sb ed ET 12084 CES A BDA 20 VIE ET 10147 CES A BRB CES A BRN Benannte Stelle NB 0340 Notified Body DGUV Test Pr f und Zertifizierungsstelle Fachausschuss Elektrotechnik Organisme notifi Gustav Heinemann Ufer 130 Sede indicata 50968 K ln Entidad citada Germany Bezeichnung der Sicherheitsbauteile Type Richtlinie Normen Pr fbericht Description of safety components Type Directives Standards Test report Description des composants s curit Type Directive Normes Rapport du test Descrizione dei componenti di sicurezza Tipo Direttiva Norma Rapporto di prova Descripci n de componentes de Typo Direclivas Est ndares Informe de prueba seguridad Sicherheitsschalter CES AH C 3 LU d Euchner QS PB 21 2010 Safety Switches CES AP C 1 LM a bcd Euchner QS PB 76 2010 Interrupteurs de s curit T Finecorsa di sicurezza CES I AP C04 UQS 116783 Interruptores de seguridad CES FD AP UQS 116784
26. y transformer according to IEC 61558 2 6 with limited output volt age in the event of a fault or by other equivalent isolation measures PELV 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 ap plies 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 All electrical outputs and safety contacts must have an adequate protective circuit for inductive loads The outputs must be protected with a free wheel ing diode for this purpose gt The tightening torque for the screws on the connection terminals must be 0 6 0 8 Nm 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 Please pay attention to any interference fields in case of devices such as frequency converters or induction heating systems Observe the EMC in structions in the manuals from the respective manufacturer Safety in case of faults The operatin
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