Operating Instructions Non-Contact Safety Switch CES
Contents
1. 0 Actuator in boundary area V 1 1 2 or higher a further signal functions see status table illumi A Z Internal electronics fault DIA red nated AN Fault at the inputs outputs Initial setup 1 Apply operating voltage to the safety switch The green LED flashes quickly approx 10 Hz A self test is performed during this time approx 8 s After this the LED flashes cyclically one time and signals that it is in standby state 2 Move actuator to the read head observe distance lt S The green LED illuminates continuously and indicates the detection of the actuator If the green LED is flashing at approx 2 Hz the actuator is in the boundary area In this case the safety guard must be re adjusted such that the actuator is com pletely in the read area Functional check 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 The safety switch carries out a self test The green LED STATE flashes for 8 s with 10 Hz The STATE LED then flashes at regular intervals 2 Close all safety guards gt The machine must not start automatically The green STATE LED2. The cables between the Y distributors must have a conductor cross section of 0 34 mm 12 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Determining cable lengths using the example table Example 6 switches 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 switch 6 conduc tor cross section 0 34 mm Cables with a length of 20 m each are connected between the individual CES AR safety switches L lt 140m m 40m l 5x20m 20m u min 19 2 V E Sicherheits E O L3 El relais Luz min 75 mA Safety Relay H CES AR 6 CES AR 5 Fig 1 Circuit example with six CES AR 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 corresponding section in the column n max number of switches Here 6 switches 2 In column I possible output current per channel OA OB find a current greater than or equal to 75 mA Here 100 mA l
3. A combination of other CES devices or devices from other manu facturers is not allowed A maximum of 20 safety switches are allowed to be operated 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 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 PFH of 2 47x108 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 Safety Switches CES AR C 2 CH 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 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 tha
4. OA 2 IA 4 OB 4 IB 3 OV 3 OV 5 RST 5 RST 4 OB 4 IB 5 RST 5 RST 26 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Technical data for actuator CES A BLN Parameter Value Unit min typ max Housing material Plastic PBT Dimensions CES A BLN R2 CES A BLN L2 95 x 30x 12 mm CES ABLN U2 55 x 30x12 Weight CES A BLN R2 CES A BLN L2 0 04 kg CES A BLN U2 0 02 Ambient temperature 40 70 C Degree of protection acc to EN IEC 60529 TE Installation position Active face opposite read head Power supply Inductive via read head Dimension drawing CES A BLN R2 CES A BLN U2 75 5 Active face Fastening lug Active face 44 with reinforcement plate 19 5 Fastening lug with reinforcement plate Eege Active face CES A BLN L2 75 5 Fastening lug Active face with reinforcement plate 30 Active face 27 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Switching distances Operating distance for center offset m O only in combination with actuator CES A BLN Parameter Value Unit min typ max Switch on distance 15 Assured switch on distance s 10 Switching hysteresis 1 2 mm Assured switch off distance s in x z direction 40 in y direction 60 Typical operating distance only
5. can drift out of the read head operating distance The device recognizes this and indicates that the actuator is in the boundary area function available for V 1 1 2 and higher This allows the safety door to be readjusted in time Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Mounting Caution 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 Caution Risk of damage to equipment as a result of incorrect installation Safety switches must not be used as a mechanical end stop Fit an additional end stop for the movable part of the safety guard Important From the assured switch off distance S the safety outputs are safely shut down When mounting several safety switches observe the stipulated minimum distance to avoid mutual interference ar min 120 mm ES E D The operating distance changes during the mounting of the actuator as a function of the material used for the safety guard C e 2 OAI Note the following points Actuator and safety switch must be easily accessible for inspection and re placement gt The switching operation must only be triggered by the specific actuator desig nated for this purpose For permissible combination
6. illuminates continuously 3 Enable operation in the control system 4 Open the safety guard The machine must switch off and it must not be possible to start it as long as the safety guard is open The green LED STATE flashes at regular intervals Repeat steps 2 4 for each safety guard Si Operating Instructions Safety Switches CES AR C 2 CH EUCHNER System status table LED indicator S output 3 Q 8 12 rg Operating mode S m o State va 30 E El E so uz E SZ E ES Z E o 5 E St x SS 358 Ss 5 a Self test X off off r E O Selftest after power up N closed op on A O Normal operation door closed flashes Normal operation door closed actuator in the boundary area Re adjust door V 1 1 2 closed On on Is quickly O ar higher SK Normal operation 2 Hz Ed lx Normal operation door closed preceding device in the switch chain signals door open closed ofi on ZZ inverse G only with series connection open of off 0 1x O Normal operation door open hong JZ Input fault e g missing test pulses illogical switch state from previous switch in the X of off bag 2x AN switch chain tee EN M X of off 1 8 4x A Output fault e g short circuits loss of switching ability Fault display m l vu l X oft off e 5x XC Internal fault e g component faulty data error X of off X X Internal fault with door fault O LED not il
7. in combination with actuator CES A BLN For a side approach direction for the actuator and safety switch a minimum distance of s 6 mm must be maintained so that the operating distance of the side lobes is not entered Fig 7 Typical operating distance 28 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Caution Technical data for actuator CES A BDN 06 Parameter Value Unit min typ max Housing material Macromelt PA based plastic Dimensions 26x D6 mm Weight 0 005 kg Ambient temperature 40 70 C Degree of protection acc to EN IEC 60529 IP 67 IP 69K Installation position Active face opposite read head Power supply Inductive via read head 1 With flush installation Dimension drawing Operating distanc 30 min LLLLILIL LL 1 d INN E S SE dE 26 5 metal free zone Installation options 6 Do not mount at temperatures below 0 C The actuator can be damaged during mounting Switching distances Operating distance for center offset m O only in combination with actuator CES A BDN Parameter Value Unit min typ max Switch on distance 19 Assured switch on distance s 14 Switching hysteresis 2 mm Assured switch off distance s in X z direction 40 in y direction 60 29 Operating In
8. 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 N mero 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 C01 CH SA LU a b cd ET 12084 CES AR C01 AH SA CES AR C01 CH SA 1 11 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 Ln abed ET 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 Lxx CES AR CR2 CH Lxx NG MS TPS Blatt Sheet Page Pagina P gina 1 EUCHNER GmbH Co KG Kohlhammerstra amp e 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchner de 32 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER More than safety elem LE E
9. www EUCHNER de Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Function The device meets the following safety requirements Category 4 PLe according to EN ISO 13849 1 Redundant design of the circuit in the unit with self monitoring gt This means that the safety system still functions even if an internal component fails gt The switch state of the semiconductor outputs is continuously monitored inter nally Short circuit detection at the safety outputs by pulsed signals The following switch on condition applies to safety outputs OA and OB see also System status table and the section Typical system times Safety guard closed Both safety outputs IA and IB must be on The system consists of the following components coded actuator transponder and switch Every EUCHNER actuator supplied has an electronic coding unique coding that is read by the read head Only if a correct coding is detected does the system accept the actuator The code in an actuator cannot be reprogrammed Unlike systems with unique code detection on the CES AR C 2 CH a specific code is not polled but instead it is only checked whether the actuator is of a type that can be detected by the system multicode detection There is no exact comparison of the actuator code with the code defined in the safety switch unique code detection The safety switch is fastened to the fixed part of the safety guard The actuator
10. 10 23 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Typical system times The specified times are maximum values for AR switch chains with 20 devices Individual devices have shorter 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 Switch on time of safety outputs The max reaction time from the moment when the actuator is at the operating distance safety door closed to the moment when the safety outputs switch on T is 300 ms 400 ms for switch chains Simultaneity monitoring safety inputs IA IB If the safety inputs have differ ent switching states for longer than 150 ms the safety outputs OA OB will be switched off Risk time according to EN 60947 5 3 If an actuator moves outside the op erating distance the safety outputs OA and OB are deactivated after a maximum of 360 ms Difference time The safety outputs OA and OB switch with a slight time offset They have the same signal state at the latest after a difference time of 10 ms Pulses on the safety outputs The device generates its own pulse signal on the output lines OA OB A downstream control system must tolerate these pulses which may have a length of up to 1 ms This can usually be set up in the control systems by parameter assignment If parameter assignment is not possible for your control system or if shorter pulses are required please co
11. 645 Y distributor M12 1x8 pin 2x5 pin 097627 Y distributor with connection cable M12 1x8 pin 2x5 pin 11696 Connection cable M12 8 pin PVC M12 8 pin 5m 00177 open cable end conductor cross section 0 25 mm M12 8 pin 10 m 00178 M12 8 pin 20 m 00179 Connection cable M8 8 pin PUR M8 8 pin 5 m 06671 open cable end conductor cross section 0 14 mm M8 8 pin 10 m 06672 M8 amp pin 20 m 06673 Connection cable M8 8 pin PVC M8 8 pin 5 m 10933 open cable end conductor cross section 0 14 mm M8 8 pin 10 m 10934 M8 8 pin 15 m 10935 M8 8 pin 20 m 11603 Actuator CES A BLN R2 95 mm x 30 mm x 12 mm door hinge right 00776 Actuator CES A BLN L2 95 mm x 30 mm x 12 mm door hinge left 04510 Actuator CES A BLN U2 55 mm x 30 mm x 12 mm 03450 Actuator CES A BDN 06 26 mm x Y 6mm 04730 Tip You will find further connection material in particular for series connection in the current Non Contact Safety System CES catalog at www euchner de 30 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Inspection and service Service Warning Note Loss of the safety function because of damage to the system In case of damage the related component must be replaced completely Only accessories or spare parts that can be ordered from EUCHNER may be replaced Regular inspection of the following is necessary to ensure trouble free long term operation Check the switching function
12. Itis then possible to determine the maximum cable length from the last switch 6 to the control system from column Here a length of 50 m is permissible with a conductor cross section of 0 34 mm Result The desired cable length of 40 m is below the permitted value from the table The overall length of the switch chain I of 140 mis less than the maximum value of 200 m The planned application is therefore functional in this form 13 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Connector assignment of safety switch CES AR RST 8 UB 12 OV 7 IA 6 C B 1 CO 08 OUT 5 Coding lug View on the connection side of the safety switch Fig 2 Connector assignment of safety switch CES AR Pin Designation Description Wire color 1 IB Enable input for channel 2 white 2 UB Power supply DC 24 V brown 3 OA Safety output channel 1 green 4 OB Safety output channel 2 yellow 5 OUT Door monitoring output gray 6 IA Enable input for channel 1 pink 7 OV Ground DC 0 V blue 8 RST Reset input red 14 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Important Connection of a single CES AR C If a single CES AR C is used connect the switch as shown in Figure 3 The OUT output can also be connected here to a control system as a monitoring output The switch can be reset via the RST input To do this a voltage of 24 V is applie
13. Operating Instructions Non Contact Safety Switch CES AR CR2 CH Multicode CES AR CL2 CH Multicode More than safety Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Contents Correct use Possible combinations for CES components Exclusion of liability and warranty General safety instructions Function Mounting Electrical connection Safety in case of faults Fuse protection for power supply Maximum cable lengths Connector assignment of safety switch CES AR Connection of a single CES AR C Connection of several CES AR C in a switch chain Notes for operation with safe control systems Setup LED indicators Initial setup Functional check System status table Technical data Technical data for safety switch CES AR CR2 CH CES AR CL2 CH Technical data for actuator CES A BLN Technical data for actuator CES A BDN 06 Ordering information and accessories Inspection and service Service Declaration of conformity Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Correct use Important The Coded Electronic Safety switches series CES are safety devices for monitor ing movable safety guards 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 Before s
14. UCHNER Bet tiger CES A BLN L2 Actuator CES A BLN R2 1 1 a b c d ET 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 K 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 a b c 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 Auswertegerat Safety Unit Analyseur CES AR AES 12 LU a b c d Euchner PB 53 2007 Centralina Unidad de evaluaci n Tal a T Leinfelden November 2012 ip Ing Stefan Euchner LA Duc Binh Nguyen Gesch ftsf hrer Dokumentationsbevollm chtigter EUCHNER GmbH Co KG Managing Director Documentation manager KohlhammerstraRe 16 G rant d affaires Re
15. afety switches are used a risk assessment must be performed on the machine e g 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 for example 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 gt 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 behaviour under fault conditions The safety switch must be used only in conjunction with the designated CES ac tuators from EUCHNER On the use of different actuators EUCHNER provides no warranty for safe function Several devices are only allowed to be connected in series using devices intended for series connection with the CES AR Check the operating instructions for the related device
16. 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 Ji a connection cable listed under the UL category code CYJV2 must be used and the following requirements met The connection cables of EUCHNER meet these require ments The same requirement applies to the safety outputs 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 RC interference suppression units must not be used 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 Safety Switches CES AR C 2 CH EUCHNER Caution Important Power devices which are a powerful source of interference must be installed in a separate location away from the input and output circuits for signal pro cessing The cable routing for safety circuits should be as far away as pos sible from the cables of the power circuits n 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 fie
17. attached to the movable part of the safety guard is moved towards the read head fitted in the safety switch by closing the door When the switch on distance is reached power is supplied to the actuator by the read head by induc tion and data can be transferred If a permissible code is detected the safety outputs are enabled Due to the combination of dynamic polling of the actuator and the redundant diverse design of the safety electronics with the two feedback safety outputs the safety switch will enter the safe state with every detectable fault When the safety guard is opened the safety outputs switch off the safety circuit and the monitoring output OUT is switched off The state of the safety outputs is monitored internally by two microprocessors If faults are detected the safety circuit is switched off and the DIA LED illuminates In case of devices with a DIA monitoring output the output is switched on The safety switch has a redundant circuit design with self monitoring This means that the safety system is still effective even if a component fails 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 on the next demand to close the safety contacts e g on starting Operating Instructions Safety Switches CES AR C 2 CH EUCHNER H the safety door with the actuator should settle over time the actuator
18. ay 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 pulse signal on the out put lines OA OB A downstream control system must tolerate these pulses which may have a length of up to 1 ms The pulses are also output when the safety outputs are switched off Depending 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 All the electrical connections must either be isolated from the mains supply by a safety transformer according to IEC 61558 2 6 with limited output voltage in the event of a fault or by other equivalent isolation measures PELV For use and operation as per the Os 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
19. ction cable Operating voltage U reverse polar ity protected regulated residual 24 15 PELV VDC ripple lt 5 For the approval according to Du Operation only with UL Class 2 power supply or equivalent the following applies measures Current consumption 50 mA Switching load according to Du DC 24 Y class 2 External fuse operating voltage 0 25 1 5 A Safety outputs OA OB Semiconductor outputs p switching short circuit proof Output voltage U OA U OB 1 HIGH U OA m HIGH U OB da V DC LOW U OA U OB 0 1 Switching current per safety output 1 200 mA Utilization category according to DC13 24V 200 mA EN IEC 60947 5 2 Caution outputs must be protected with a free wheeling diode in case of inductive loads Off state current I lt 0 25 mA onitoring output OUT H p switching short circuit proof Output voltage 0 8 x Us s UL V DC Max load 50 mA Rated insulation voltage U 75 V Rated impulse withstand voltage 15 kV Resilience to vibration As per EN IEC 60947 5 2 Switching frequency 1 Hz Repeat accuracy R lt 10 EMC protection requirements In acc with EN IEC 60947 5 3 Reliability values according to EN ISO 13849 1 Category 4 Performance Level PL e PFH 1 9x10 h ission time 20 years 1 Values at a switching current of 50 mA without taking into account the cable lengths 2 Applying the limit value from EN ISO 13849 1 2008 Section 4 5 2 MTTF max 100 years BG certifies a PFH of max 2 47 x
20. d to the RST input for at least 3 seconds The RST input must be connected to 0 V if it is not used The subsystem CES AR complies with PL e in accordance with EN 13849 1 To integrate the subsystem in a category 3 or 4 structure it is necessary to monitor the downstream load the feedback loop must be monitored These examples show only an excerpt that is relevant for connection of the CES system The example illustrated here does not show complete system planning The user is responsible for safe integration in the overall system DC 24V SCH connector m pin CES AR C 1 O GND Fig 3 Connection example for a single CES AR C 15 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Warning In case of an error loss of the safety function through incorrect connection To ensure safety both safety outputs OA and OB must always be evaluated Single channel use of the safety outputs leads to a loss of the category in accordance with EN ISO 13849 1 Plug connector 8 pin CES AR C 1 Th 4 ec GND Fig 4 Example of incorrect connection 16 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Important Connection of several CES AR C in a switch chain An AR switch chain may contain a maximum of 20 safety switches In the estimation of the PL for the overall system a maximum value of 100
21. he 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 34 mm R max 60 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 Safety Switches CES AR C 2 CH 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 gt Unin 24 V 10 u 24 V 20 EA SPS kl ES PLC 5 x 0 34 mm 5 x 0 34 mm oder 5 x 0 14 mm CES AR n 1 1 m n La MA Max cable length from the last switch Max number of Possible output current per channel to the control system with conductor switches OA OB cross section 0 14 mm 0 34 mn 10 70 140 25 50 110 5 50 35 80 100 25 50 200 13 25 10 60 120 25 50 90 6 50 35 70 100 20 50 200 13 25 10 35 70 25 30 60 10 50 25 50 100 15 35 200 10 20 Important
22. 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 E 2006 42 EG Maschinenrichtlinie 2006 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 1 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 c EN ISO 13849 1 2008 Vengono applicate le seguenti norme d EN ISO 13849 2 2008 Se utilizan los
23. isu Ku gI 2 e Q i S l d 8 e 5 a y l z E Na I Y 1 l E un MKZ A A E LU l Ka U ei B un za n JOInQHBSID A J Joynquasip A 3 JO nQUBSIp A Snid Buneuruuat 2 oO ES MA E TS S Q o c S o Un pomo a SS S 2 S o oO zs G EE Uu m LL N c o Land I Benn JOMQUISIP A Bnjd BuneuiuuaL l Za E ed deer eet e vu Gesten e Ge EE 65 zl AAA cen al c c Ce D Benn QU GCL Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Important Notes for operation with safe control systems Devices with start button and feedback loop are not suitable for connection to safe control systems Please observe the following requirements for connection to safe control systems Use a common power supply for the control system and the connected safety switches A clocked power supply must not be used for UB Tap the supply voltage directly from the power supply unit If the supply voltage is connected to a terminal of a safe control system this output must provide sufficient electrical current Always connect inputs lA and IB directly to a power supply unit or to outputs OA and OB of another EUCHNER AR device series connection Pulsed signals must not be present at inputs lA and IB gt Outputs OA and OB can be connected to the safe inputs of a control system Prerequisite The input must be suitable for pulsed safety signals OSSD sig nals e g from light cur
24. k 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 and keep these in a safe place Ensure that 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 You can download the operating instructions from
25. lds in case of devices such as frequency converters or induction heating systems Observe the EMC in structions in the manuals from the respective manufacturer 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 Safety in case of faults The operating voltage U is reverse polarity protected The contacts OA OB are short circuit proof A short circuit between OA and OB is detected by the switch 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 switches and current required for the outputs The following rules apply Max current consumption of an individual switch I bae dk OUT OA 0B Switch operating current 50 mA UB o Monitoring output load current max 50 mA Load current of safety outputs OA OB 2 x max 200 mA OA 0B Max current consumption of a switch chain 2 L El n Number of connected switches nx ly OA 0B our 10 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Requirements for connection cables Caution Risk of damage to equipment or malfunctions as a result of incorrect connec tion cables Use connection components and connection cables from EUCHNER gt On t
26. luminated I G LED illuminated Key to symbols 6 10 Hz 8 s LED flashes for 8 seconds at 10 Hz gt 3x LED flashes three times and this is then repeated X 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 22 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Technical data Note H a product data sheet is included with the product the information on the data sheet applies in case of discrepancies with the operating instructions Technical data for safety switch CES AR CR2 CH CES AR CL2 CH Parameter Value Unit min typ max Housing material PBT VO GF30 Dimensions 95 x 30x 12 mm Weight 0 04 kg SE temperature at U DC 30 4 65 Storage temperature 40 70 Degree of protection IP 69K IP 67 for version with M12 plug connector Safety class lll Degree of contamination 3 Installation position Any Connection Plug connector or conne
27. n 11 devices are connected in series Itis only allowed to use components that are permissible in accordance with the table below Possible combinations for CES components Actuator Door hinge right Door hinge left Usage independent of Usage independent of Safety switch position of door hinge position of door hinge CES A BLN R2 100776 CES A BLN L2 104510 CES A BLN U2 103450 CES A BDN 06 104730 100776 104510 103450 104730 Door hinge right CES AR CR2 CH e e e Door hinge left CES AR CL2 CH e e e Key to symbols amp Combination possible Note Devices with version number V 1 1 2 or higher can be operated on an AR evalua tion unit Please refer to the operating instructions for the relevant AR evaluation unit for more information Operating Instructions Safety Switches CES AR C 2 CH EUCHNER 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 General safety instructions Warning Important As the unique actuator codes are not evaluated the CES AR C 2 CH version can only be used for applications in which a hazard cannot result from possible tam pering with the system Safety switches fulfill personal protection functions Incorrect installation or tamper ing can lead to fatal injuries to personnel Chec
28. ntact our support organization The pulses are also output when the safety outputs are switched off 24 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Dimension drawings and connector assignments Safety switch CES AR CR2 CH Active face si Fastening lug with reinforcement plate Connection cable With with M12 plug connector connection cable Length of cable piece 1 000 mm or 2 000 mm Active face M8x1 Safety switch CES AR CL2 CH 23 A Active face With Connection cable connection cable with M12 plug connector Length of cable piece 1 000 mm or 2 000 mm 30 Active face Fastening lug with reinforcement plate 75 5 25 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Connector assignment Safety switch CES AR 8 pin plug and Y distributor 8 pin socket Pin Function IB Us OA OB OUT IA 0v RST OI NID Or lull a Bridging plug 097645 Y distributor Y distributor 4 pin plug with connection cable 097627 111696 or 112395 Socket Socket 231 45 8 o ei max 45 Length Order No I mm 111696 200 112395 1000 Pug fesch e Socket Socket Pin Function Pin Function 1 Us 1 Us Pin Function Pin Function 2 OA 2 IA 1 U 1 U 3 OV 3 OV 2
29. s of the downstream switch OA must be connected to IA and OB to IB If the connections are interchanged e g OA to IB the unit will switch to fault state Always use input RST in series connections All switches in a chain can be reset at the same time with this reset input To do this a voltage of 24 V must be applied to the RST input for at least 3 seconds If input RST is not used in your application it should be connected to 0 V Note the following on this aspect A common signal must be used for all switches in the chain This can be a changeover switch or the output of a control system A button is not suitable because Reset must always be connected to GND during operation see switch S11 in Figure 5 Reset must always be performed simultaneously for all switches of the chain Information on operation on an AR evaluation unit Devices with version number V 1 1 2 or higher can be operated on an AR evalua tion unit Please refer to the operating instructions for the relevant AR evaluation unit for more information 17 o 5 o LL ERRE LLE s30 4aNHONA s30 4aNHONA E S VR o TY o l gt Ke l 1 s s E 93 mn a a bei _ l o LL I syndino Ayes syndur Majes syndino Ayes syndur Ayayes sanding Dies syndur Ajsjes Eo E o E K S L Z 8 9 I S vo Hino AO an
30. s please see the Table Pos sible combinations for CES components on page 4 Actuator and safety switch must be fitted so that the front faces are at the minimum switch on distance 0 8 x S or closer when the safety guard is closed see section Operating distances A mini mum distance dependent on the actuator must be maintained for a side ap proach direction For CES A BLN R2 6mm For CES A BLN L2 6mm For CES A BLN U2 6mm For CES A BDN 06 8mm when the safety guard is open up to the distance S assured switch off dis tance a hazard is excluded the actuator is positively mounted on the safety guard e g by using the safety screws included they cannot be removed or tampered with using simple means Pay attention to the maximum tightening torque for the safety switch and actuator mountings of 1 Nm Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Electrical connection Warning The following connection options are available Separate operation Series connection with Y distributors from EUCHNER only with M12 plug con nector Series connection e g with wiring in the control cabinet gt Operation on an AR evaluation unit In case of an error loss of the safety function through incorrect connection Caution To ensure safety both safety outputs OA and OB must always be evaluated The monitoring output OUT must not be used as a safety output L
31. see section Functional check Check the secure fastening of the devices and the connections Check for soiling No servicing is required repairs to the device are only allowed to be made by the manufacturer The year of manufacture can be seen in the lower right corner of the rating plate The current version number in the format V X X X can also be found on the device The safety door must be re adjusted when the device indicates that the actuator is in the boundary area 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 31 Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Declaration of conformity AN EUCHNER More than safety E EUCHNER GmbH Co KG EG Konformit tserkl rung Original DE 2 KohlhammerstraRe 16 EC Declaration of Conformity Translation EN 70771 Leinfelden Echterdingen CE D claration de Conformit Traduction FR A Germany CE Dichiarazione di conformita Traduzione IT E CE Declaraci n de 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
32. sponsable documentation 70771 Leinfelden Echterdingen Direttore Generale Responsabilita della documentazione Germany Director Gerente Agente documenta NG MS TPS Blatt Sheet Page Pagina P gina 2 EUCHNER GmbH Co KG Kohlhammerstra amp e 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753315 www euchner de info euchner de 33 More than safety Euchner GmbH Co KG KohlhammerstraBe 16 D 70771 Leinfelden Echterdingen info euchner de www euchner de Edition 109308 05 05 13 Title Operating Instructions Safety Switches CES AR C 2 CH translation of the original operating instructions Copyright EUCHNER GmbH Co KG 05 2013 Subject to technical modifications no responsibility is accepted for the accuracy of this informa tion EUCHNER
33. structions Safety Switches CES AR C 2 CH EUCHNER Ordering information and accessories Designation Version Order No CES AR CR2 CH SG 105750 multicode door hinge right plug connector M8 8 pin 105750 CES AR CL2 CH SG 105752 multicode door hinge left plug connector M8 8 pin 05752 CES AR CR2 CH SA 105745 multicode door hinge right connection cable PUR length 1 m 05745 with plug connector M12 8 pin H CES AR CL2 CH SA 105747 multicode door hinge left connection cable PUR length 1 m 05747 with plug connector M12 8 pin CES AR CR2 CH SA 1 10939 multicode door hinge right connection cable PVC length 2 m 10939 with plug connector M12 8 pin CES AR CL2 CH SA 110940 multicode door hinge left connection cable PVC length 2 m 10940 with plug connector M12 8 pin CES AR CR2 CH L05 109044 multicode door hinge right connection cable PUR length 5 m 09044 CES AR CL2 CH LO5 109045 multicode door hinge left connection cable PUR length 5 m 09045 CES AR CR2 CH L10 109048 multicode door hinge right connection cable PUR length 10 m 09048 CES AR CL2 CH L10 109049 multicode door hinge left connection cable PUR length 10 m 09049 CES AR CR2 CH L20 109052 multicode door hinge right connection cable PUR length 20 m 09052 CES AR CL2 CH L20 109053 multicode door hinge left connection cable PUR length 20 m 09053 Bridging plug M12 4 pin plug 097
34. tains The control system must tolerate pulses on the input signals This normally can be set up by parameter assignment in the control system Observe the notes of the control system manufacturer For the pulse duration of your safety switch please refer to the section Typical system times on page 24 A detailed example of connecting and setting the parameters of the control system is available for many devices at www euchner de in the download area Applikationen CES The features of the respective device are dealt with there in greater detail 19 EUCHNER Operating Instructions Safety Switches CES AR C 2 CH RSS SS ESS ae SS 10 4 8 b andino l ep Fg 4 I De I m L Log H LL o J 14700 u oo 139 43NHONA andino Ayes h Meco onl so vo i I NN EI a SST al ando Ayes t soh vo HG Wood peoH pe y 530 4SNHONA dyno Majes syndur ejes t S L c 8 9 sol vo nol AO akak 4 a AO lt AvC lt t JOINQUNSIP A UJ peoH pe y o N on ET200 Fig 6 Connection example for mixed series connection 2 x CES and 1 x CET Operating Instructions Safety Switches CES AR C 2 CH EUCHNER Setup Warning LED indicators ZS SE State Significance illumi y l nated AN Normal operation STATE green s i gt Teachin operation or Power Up flashing
35. 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 47x105 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 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 The series connection is shown here based on the example of the version with plug connectors M12 The switches are connected one behind the other with the aid of pre assembled connection cables and Y distributors If 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 cannot however detect which safety door is open or on which switch a fault has occurred with this connection technology A special AR evaluation unit is required for this purpose see section Information on operation on an AR evaluation unit The series connection can also be realized via additional terminals in a control cabinet The safety outputs are permanently assigned to the respective safety input
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