Operating Instructions Non-Contact Safety Switch CES-AH-C03-AH
Contents
1. 40 10 3 5 5 J W A S Y E I E i Active face Active face 23 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Switching distances Operating distance for center offset m O only in combination with actuator CES A BRN Parameter Value Unit min typ max Switch on distance 27 Assured switch on distance s 20 Switching hysteresis 1 3 SS Assured switch off distance s 75 1 The values apply for surface installation of the actuator on steel Typical operating distance Only in conjunction with actuator CES A BRN on surface mounting on steel For a side approach direction for the actuator and read head a minimum distance of s 6 mm must be maintained so that the operating distance of the side lobes is not entered Figure 6 Typical operating distance 24 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Ordering information and accessories Designation Version Dae Safety Switch CES AH CO3 AH SM 106300 Unicode 106 300 Actuator BBA 42 mm x 25 mm 071 840 Actuator BCA 42 mm x 25 mm 088 786 Actuator BPA 40 mm x 40 mm 098 775 Actuator BRN 80 mm x 40 mm 100 251 Mating connector for evaluation unit M23 Spin 106 597 Inspection and service Warning Loss of the safety function because of damage to the system In case of damage the rela2. Active face 4 6 Active face 2 safety screws M4 x 14 included Dimension drawing CES A BCA 4 5 Wildly iH SN S SW WW TA Ziel Active face E Ed Active face 2 safety screws M4 x 14 included 19 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Switching distances Operating distance for center offset m O only in combination with actuator CES A BBA CES A BCA Parameter Value Unit min typ max Switch on distance 20 Assured switch on distance s 18 Switching hysteresis 1 2 3 gh Assured switch off distance s 40 1 The values apply for surface installation of the actuator Typical operating distance only in combination with actuator CES A BBA CES A BCA For a side approach direction for the actuator and safety switch a minimum distance of s 4 mm must be maintained so that the operating distance of the side lobes is not entered Figure 4 Typical operating distance 20 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Technical data for actuator CES A BPA Parameter Value Unit min typ max Housing material PBT Dimensions 40 x 40 x 10 mm Weight 0 025 kg Ambient temperature 25 70 KE EE acc to EN IP67 IP69K Installation position Active face opposite read head Power supply Inductive via read head
3. 26 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER K EUCHNER More than safety d EUCHNER Betatiger CES A BLN L2 Actuator CES A BLN R2 Ill 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 ET 12084 CES A BDA 20 LN abcd 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 Directivas 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 Ln a bred Euchner QS PB 76 2010 Interrupteurs de s curit e KE A ad CES I AP C04 UQS 116783 Finecorsa di sicurezza CES I AR C04 ul a b c d UQS 119733 Interruptores de seguridad CES FD AP LU a b c d UQS 116784 Auswertegerat Safety Unit Analyseur CES AR AES 12 It a b c d Euchner PB 53 2007 Centralina Unidad de evaluaci n d ees d ff A d Gteer Leinfelden Mai 2
4. after fault and normal operation Example application UB 24 V LA permanently connected to UB LB switched by control system r L At A to At3 Ata l t L se m l rs I l l ks l l E l n ES l l 3 9 3 Eee D CH E E ag we o O os 0 wo nN oO D O O 2 o e gt oc CH Ge O S os o D I S gt Q O E 5 ES 5 wl e 5 Be Ki o e B o o G o S O 3 gt o N o H O Go Z L lt A t Fault detection time A t Fault time 5 s switch spends this time in the fault state A t PowerUp time 3 s A t Risk time lt 260 ms time from no actuator to outputs switch off Figure 3 System times for individual switches 18 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Technical data for actuator CES A BBA CES A BCA Parameter Value Unit min typ max Housing material CES A BBA Fortron reinforced thermoplastic fully encapsulated CES A BCA Plastic PE HD without reinforcement fully encapsulated Flat seal material CES A BCA only Fluororubber 75 FPM 4100 Dimensions 42x25x12 mm Weight 0 02 kg Ambient temperature CES A BBA 25 70 C CES A BCA 25 50 ae acc to EN IP67 IP69K Installation position Active face opposite read head Power supply Inductive via read head Dimension drawing CES A BBA 04 5 48
5. at the latest on the next demand to close the safety contacts e g on starting Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Montage 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 down When mounting several safety switches observe the stipulated minimum dis tance to avoid mutual interference the safety outputs are safely shut ar min 80mm If the actuator is installed flush the switching distance changes as a function of the installation depth and the safety guard material Flush mounting Surface maounting weg BE Operating distance distance Note the following points Actuator and safety switch must be easily accessible for inspection and re placement 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 For a side approach direction for the actuator a minimum distance must be maintained so that the operating distance of the side lobes is not entered see operating distance for the actuator when the safety guard is open up to the distance S assured switch off dis tan
6. es Cc EN ISO 13849 1 2008 Vengono applicate le seguenti norme d EN ISO 13849 2 2012 Se utilizan los siguientes estandares 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 LI 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 LI a b c d ET 12084 CES AR C01 AH SA CES AR C01 CH SA Li a b c d 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 WI abia ET 12066 CES AR CL2 CH SG Wo 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 27 05 2013 NG MS Blatt Sheet Page Pagina P gina 1 EUCHNER GmbH Co KG KohlhammerstraBe 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchner de
7. 013 De Gtefan i T A a A Duc Binh Nguyen ihrer ch fts Dokumentationsbevollm chtigter EUCHNER GmbH Co KG Managing Director Documentation manager Kohlhammerstrake 16 G rant d affaires Responsable documentation 70771 Leinfelden Echterdingen Direttore Generale Responsabilita della documentazione Germany Director Gerente Agente documenta 27 05 2013 NG MS Blatt Sheet Page Pagina Pagina 2 EUCHNER GmbH Co KG KohlhammerstraRe 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchner de 27 More than safety Euchner GmbH Co KG Kohlhammerstrasse 16 D 70771 Leinfelden Echterdingen info euchner de www euchner de Edition 106595 06 12 13 Title Operating Instructions Safety Switch CES AH CO3 AH SM translation of the original operating instructions Copyright EUCHNER GmbH Co KG 12 2013 Subject to technical modifications no responsibility is accepted for the accuracy of this information EUCHNER
8. Dimension drawing 0 40 0 25 30 0 1 Active face Active face 21 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Switching distances Operating distance for center offset m O Only in conjunction with actuator CES A BPA on surface mounting Parameter Value Unit min typ max Switch on distance 220 Assured switch on distance s 18 Switching hysteresis 1 2 ZS Assured switch off distance s 58 1 On surface mounting on aluminum in a non metallic environment the typical switching distance increases to 30 mm Typical operating distance Only in conjunction with actuator CES A BPA on surface mounting For a side approach direction for the actuator and read head a minimum distance of s 6 mm must be maintained so that the operating distance of the side lobes is not entered Figure 5 Typical o perating distance 22 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Technical data for actuator CES A BRN Parameter Value Unit min typ max Housing material PPS Dimensions 80x 40x15 mm Weight 0 06 kg Ambient temperature 25 70 RE Degree of protection acc to EN IP67 IEC 60529 Installation position Active face opposite read head Power supply Inductive via read head Dimension drawing
9. Operating Instructions Non Contact Safety Switch CES AH Co03 AH SM Unicode More than safety EUCHNER Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Contents Correct use Possible combinations for CES components Exclusion of liability and warranty General safety instructions System description Montage Electrical connection General notes Test pulses pulsing and power control Behavior in case of faults Automatic restart and start button Safety in case of faults Fuse protection for power supply Voltage drop on cable and switch Connection cables and plug connectors Connector assignment Connection example Setup LED indicators Teach in function for actuator Functional check System status table Technical data Technical data for safety switch CES AH C03 AH SM Technical data for actuator CES A BBA CES A BCA Technical data for actuator CES A BPA Technical data for actuator CES A BRN Ordering information and accessories Inspection and service Service Declaration of conformity 3 4 4 5 6 7 8 8 8 8 9 9 9 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Correct use Important The Coded Electronic Safety switches series CES are safety devices for monitor ing movable safety guards 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 sto
10. afe switching function The loads connected must toler ate this behavior A load connected is controlled using the safety paths LA LA and LB LB The control voltage can be pulsed for power control gt Do not use a control system with pulsing to test the output cables or switch off the pulsing function in your control system Behavior in case of faults Attention In the event of a fault in the safety switch the safety circuit is switched off and the DIA LED illuminates red After approx 5 s the device performs a re start 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 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Attention Automatic restart and start button Pay attention to the notes for the following applications Automatic start with a jumper 24 V are continuously present at the START input The device restarts automatically after faults Manual start start via a start button Prior to each restart the start button must be pressed A sticking start button fault due to welding etc is not detected by the device and results in an automatic restart Danger due to automatic start restart An automatic start restart can occur On closing the safety guard On switching on the power supply On automatic restart aft
11. ce a hazard is excluded the actuator is positively mounted on the safety guard e g by using the safety screws included Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Electrical connection General notes Caution Risk of damage to equipment or malfunctions as a result of incorrect connection To avoid faults the cable must be laid with protection The power for the operating voltage and for the inputs LA and LB must be provided from a common power supply All the electrical connections must either be isolated from the mains supply by a safety transformer according IEC 61558 2 6 with limited output voltage in the event of a fault or by other equivalent isolation measures gt With inductive loads there can be voltage spikes of up to 50 V lasting sev eral milliseconds on switching off the outputs To prevent overvoltages on the inputs and outputs for the safety circuits inductive loads must be connected with free wheeling diodes see Connec tion examples page 12 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 Test pulses pulsing and power control Important gt In operation the device regularly switches off the safety outputs for approx 6 ms to check the s
12. danger area Observe the valid accident prevention regulations 1 Switch on operating voltage The safety switch carries out a self test The green STATE LED flashes for 3 s with 10 Hz The STATE LED then flashes at regular intervals 2 Close all safety guards The machine must not start automatically 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 The green LED STATE flashes at regular intervals Repeat steps 2 4 for each safety guard 14 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER System status table LED indicator output N Ss 5 Operating mode 2 D State Dal 34 E 5 s8 a Ki ds 35 e J o Ka St 23 Ss 5 3 Self test X off e e e O Selftest after power up N 3 closed on A O Normal operation door closed Normal operation open of E 1x O Normal operation door open Teach in standby open ofi E 3x O Door open unit is ready for teach in for another actuator only short time after power up closed of KS a 1 Hz O Teach in operation Setup ue X of O O Positive acknowledgement after acknowledgement of teach in operation she l SE X of W 2x 2 Overload e g short circuit on a safety output D X of RER 3x 2 Over tem
13. ediately and the switch chang es to normal state The actuator being taught is not activated if it is within the operating dis tance for less than 60 s Carrying out teach in for a new actuator 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 3 s After this the LED flashes cyclically three times and signals that it is in standby state for teach in Standby state for teach in remains active for approx 3 minutes 2 Move new actuator to the read head observe distance lt S sp Teach in operation starts green LED flashes approx 1 Hz During teach in the safety switch checks whether the actuator is a disabled actuator If this is not the case the teach in operation is completed after approx 60 seconds the green LED goes out The new code has been saved the old code disabled 3 To activate the new actuator code from the teach in operation in the safety switch the operating voltage to the safety switch must then be switched off for min 3 seconds 13 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Warning 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
14. er the detection of a fault Check carefully which start mode is suitable for your application gt Check whether additional measures are necessary to prevent an automatic restart Safety in case of faults The operating voltage U is reverse polarity protected The contacts LA LA and LB LB are short circuit proof and protected against reverse polarization To prevent switching on of the load connected in the case of a short circuit between LA or LB and the operating voltage B the cables must be laid rigidly and with protection Fuse protection for power supply The power supply must be provided with fuse protection depending on the current required for the outputs If both outputs LA and LB are used protect with max 10 A fuse Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Voltage drop on cable and switch If a load is applied to the outputs voltage drops will occur on the supply cables and on the switch The voltage drops are to be taken into account during the calculation of the power available in the load connected Parameter Value Unit Maximum resistance of an output path 250 ma Resistance for further connection cable e g 7 x 1 mm supply and return wire 25 SES Other connection resistances are to be taken into account as necessary Calculation example gt 10 m cable from the switch to the supply load gt Supply voltage on the 24 V connection Load o
15. is always available during mounting setup and servic ing 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 operating instructions you can download this documents from www EUCHNER de Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER System description The safety switch CES AH CO3 AH SM complies with the following safety require ments Category 3 according to DIN EN ISO 13849 1 Proximity device with self monitoring type PDF S according to EN 60947 5 3 Redundant design of the circuit in the unit with self monitoring This means that the safety system still functions even if an internal component fails The switch state of the semiconductor outputs is continuously monitored inter nally The CES non contact safety switch consists of three components coded actuator evaluation unit and read head The evaluation unit is integrated into a housing with the read head Each actuator possesses a unique electronic coding and so is a unique element in the system used The code in an actuator cannot be reprogrammed The actuator must be assigned to the safety switch by a teach in process so that itis detected by the system This unambiguous assignment ensures a particularly high level of protection against tampering The safety switch with integ
16. n channel A 1 A Load on channel B 4 A For channel A Voltage drop on the switch AU Rxl 250 mA x 1 A 250 mV Voltage drop on the cable AU R x1 xl 25 mQ mx 10mx1A 250 mV gt Voltage at the load U U AU A U 24 V 0 25 V 0 25 V 23 5 V For channel B Voltage drop on the switch AU Rxl 250mQx4A 1V Voltage drop on the cable AU RxIxl 25m0 mx10mx4A 1V gt Voltage at the load U U AU AH 24V 1V 1V 22V 10 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Caution Important Connection cables and plug connectors Risk of damage to equipment or malfunctions as a result of incorrect connec tion cables Use EUCHNER connectors gt If other connection components are used the following recommendations apply EUCHNER provides no warranty for safe function in case of failure to comply with these requirements The maximum cable length should not exceed 50 m Recommended connection cable e g LIYY 7 x 1mm Olflex classic 400P 7 x 0 75 Mating connector for the evaluation unit EUCHNER M23 9 pin cable cross section max 1 mm order no 106 597 Alternative e g Coninvers order no RC 0951N121600 cable cross section max 1 mm It is imperative you use the original tools from the connector manufacturer for assembly and follow the assembly instructions from the connector manufacturer Connector assignment View of connection side Figure 1 Connect
17. oltage U LA and LB 0 25 10 A Power supply for load U LA U LB Us VDC Safety outputs LA LB Semiconductor outputs p switching short circuit proof Output voltage U LA U LB 1 HIGH U LA U 15 U HIGH U LB i R VDC LOW U LA U LB 0 4 Testing of the outputs Test pulse length 6 ms Test interval 10 Ss Switching current per safety output 30 4000 mA Utilization category according to EN 60947 5 2 DC 13 24V 4A Caution outputs must be protected with a free wheeling diode in case of inductive loads Classification acc to EN 60947 5 3 PDF S Start input START HIGH 8 Us VDC LOW 0 2 Rated insulation voltage U 75 V Rated impulse withstand voltage Um 1 5 kV Resilience to vibration According to EN 60947 5 2 Switching delay from state change 2 260 ms Fault detection time 0 12 15 s Difference time between the two safety outputs 50 ms Ready delay 3 3 s Dwell time 0 5 s Switching frequency 1 Hz Repeat accuracy R acc to EN IEC 60947 5 3 lt 10 Mounting distance between 2 switches or 2 actuators 80 mm EMC protection requirements In acc with EN 6094 7 5 3 Reliability values according to EN ISO 13849 1 Category 3 Performance Level PL d PFH 1 03x107 h Mission time 20 years 1 Values at a switching current of 4 A without taking into account the cable lengths 2 Corresponds to the risk time according to EN 60947 5 3 This is the maximum switch off delay for the safety outputs following rem
18. or assignment safety switch CES AH CO3 AH SM Pin Designation Description 1 NC Not used 2 Start Start input 3 LA Safety output channel 1 4 LA Input for channel 1 5 LB Input for channel 2 6 LB Safety output channel 2 7 UB Power supply DC 24 V 8 OV Ground DC 0 V 9 NC Not used The unused connection pins are not allowed to be connected by the user 11 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Attention Connection example Within the device the shutdown of the two outputs LA and LB is dual channel As such each of the outputs represents a separate safety output Ug O START m E Internal logic Feedback Feedback loop loop o gt b GND 1 Load e g valve coil DC motor Ohmic load etc 2 In case of inductive loads it is imperative free wheeling diodes are used to protect the outputs on the safety switch Figure 2 Connection example with start button and feedback loop A short circuit between the cables on the safety outputs LA and LB and an other cable must be prevented In certain circumstances a failure exclusion as per EN 13849 1 section 7 3 can be applied see also EN 13849 2 section D 5 2 The CES AH represents a subsystem as per EN 13849 1 and complies with PL d To integrate the switch in a category 3 structure it is necessary to monito
19. our 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 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 It is only allowed to use components that are permissible in accordance with the table below Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Possible combinations for CES components Actuator D S Safety Switch S E S gt S S a S 3 lt 8 e 28 N Y d 86 E E 8 CES AH C03 20 20 22 27 15 Combination possible typ switch on distance 15 mm AY Combination possible guard locking for process protection Key to symbols H f Combination possible guard locking for personal protection 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 liabilit
20. oval of the actuator 3 The fault detection time is the time for the detection of an internal fault in the device At least one of the switching elements on each safety output is opened during this process 4 After the operating voltage is switched on the semiconductor outputs are switched off during the ready delay 5 The dwell time of an actuator inside and outside the operating distance must be at least 0 5 s to ensure reliable detection of internal faults in the evaluation unit self monitoring 16 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Dimension drawing Active face LED status indication 40 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Actuator Start LA LA LB LB DIA LED red Detected None 24 V OV 24 V OV 24V OV 24V OV 24 V OV On Off Typical system times Ready delay After switching on the unit carries out a self test for 3 s The system is ready for operation only after this time Risk time according to EN 60947 5 3 If an actuator moves outside the oper ating distance the safety outputs LA and LB on the corresponding safety switch are deactivated after a maximum of 260 ms Difference time The safety outputs LA and LB switch with a slight time offset They have the same signal state at the latest after a difference time of 50 ms System times for restart
21. owing 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 m quinas Ik 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 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 I No 1 5 1 della Direttiva Macchine Los objetivos de seguridad de la Directiva de Bajo Voltaje cumplen con el Anexo I No 1 5 1 de la Directiva de M quinas Folgende Normen sind angewanat a EN 60947 5 3 1999 A1 2005 Following standards are used b EN 1088 1995 A2 2008 Les normes suivantes sont appliqu
22. p 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 EN ISO 13849 1 Safety of machinery Safety related parts of control systems General principles for design gt EN ISO 14121 1 Safety of machinery Risk assessment Principles gt IEC 62061 Safety of machinery Functional safety of safety related electrical electronic and programmable electronic control systems Devices in the system family CES AH have special safety outputs that are suitable for the direct switching of large loads In appropriate applications it is therefore not necessary to connect power relays or contactors in between The device interrupts the supply of power to the load if e g the safety guard is open 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 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 behavi
23. perature Fault display X of 8 4x 2 Output fault e g fault on a switching element NS X of 5x AL Internal fault e g component faulty data fault Oo LED not illuminated NY eee A LED illuminated Key to symbols e 10 Hz 8 s LED flashes for 8 seconds at 10 Hz 367 3 x LED flashes three times X Any state 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 15 Operating Instructions Safety Switch CES AH Co3 AH SM 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 AH C03 AH SM Value Parameter Unit min typ max Housing material Plastic Dimensions 40x 40x 171 mm Weight 0 35 kg Ambient temperature at I LA LB gt 3 A 20 55 Ambient temperature at I LA LB lt 3A 20 70 C Storage temperature 25 70 Degree of protection IP67 Safety class Ill Degree of contamination 3 Installation position Any Connection M23 plug connector 9 pin Ce SE regulated residual ripple lt 5 20 i 28 T Current consumption no load on outputs 150 mA External fuse operating v
24. r the downstream load the feedback loop must be monitored This example shows only an excerpt that is relevant for connection of the CES AH system The example illustrated here does not show complete system planning The user is responsible for safe integration in the overall system 12 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Setup LED indicators LED Color State Significance lumi onr 2 Normal operation STATE green S flashing a ae Teach in operation or Power Up for further signal function see status table illumi A l _ Internal electronics fault DIA red nated AR Fault at the inputs outputs Teach in function for actuator The actuator must be allocated to the safety switch using a teach in function before the system 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 Important The safety switch disables the code of the previous actuator if teach in is carried out for a new actuator Teach in is not possible again immediately for this actuator if a new teach in process is carried out The disabled code is deleted again in the safety switch only after a third code has been taught The safety switch can only be operated with the last actuator taught gt If the switch detects an actuator which has already been taught when in teach in standby state this state is ended imm
25. rated evaluation unit and read head is fastened to the fixed part of the safety guard Within the device the operation of the two safety outputs is dual channel The actuator 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 inductive read head and data can be transferred The bit pattern read is compared with the code saved in the safety switch if the data match 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 switching elements for each safety output the safety switch will enter the safe state with every detectable fault The safety outputs shut down the safety circuits if the safety guard is opened The state of the safety outputs is monitored internally by two microprocessors For the safety outputs to switch on there must be a voltage of U on the START input This voltage can be supplied either using a jumper automatic start or using a start button 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 a failure will not result in the loss of the safety function The occurrence of failures is detected by cyclic selfmonitoring
26. ted safety component must be replaced The replace ment of individual parts in a safety component is not permitted Regular inspection of the following is necessary to ensure trouble free long term operation Check the switching function 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 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 Kohlhammerstrasse 16 D 70771 Leinfelden Echterdingen Service telephone 49 711 7597 500 E mail info euchner de Internet www euchner de 25 Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER Declaration of conformity As EUCHNER More than safety ME CE EUCHNER EUCHNER GmbH Co KG EG Konformit tserkl rung Original DE 2 KohlhammerstraBe 16 EC Dec ration of Conformity Translation EN 3 70771 Leinfelden Echterdingen CE D claration de Conformit Traduction ER p Germany CE Dichiarazione di conformita Traduzione IT 3 CE Declaraci n de Conformidad Traducci n ES gt o 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 foll
27. y will be excluded and the warranty void Operating Instructions Safety Switch CES AH Co3 AH SM EUCHNER General safety instructions Warning Important Safety switches fulfill personal protection functions Incorrect installation or tamper ing can lead to fatal injuries to personnel 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 and keep it in a safe place Ensure the operating instructions
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