Operating instructions Non-contact safety system CES-A-AEA
Contents
1. Active face Active face 22 Parameter Value Unit min typ max Housing material Plastic PC Dimensions 20x 2 2 mm Weight 0 0008 kg Ambient temperature 25 70 E Degree of protection IP67 Installation position Active face opposite read head Power supply Inductive via read head Ordering table Series Version Comment Order no item 084720 SE CESABDA20 37 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Notes Technical Data Actuator CES A BMB Cylindrical design M12 x 75 gt In combination with evaluation units CES A A read head CES A LMN SC operating distance on request for read head CES A LNA LCA Dimension drawing l M12x0 75 Active face The actuator can be screwed into the M12 x 0 75 thread provided with the aid of an insertion tool Order No 037 662 Flush installation of the actuator in steel is allowed Parameter p Valu Unit min typ max Housing material Stainless steel Dimensions M12 x 0 75 depth 6 mm Weight 0 002 kg Ambient temperature 25 70 C Degree of protection IP67 Installation position Active face opposite read head Power supply Inductive via read head Ordering table Series Version Comment Order no item CES A BMB E Insertion tool For actuator CES A BMB 037662 38 Operating Instructions Safety System CE2. 35 connected 321 197 M12x1 Active face Centre offset M8x1 30 37 LE 1 Clear zone area of the active face without metal housing The read head is allowed to be installed as a maximum up to the clear zone area of the active face without metal housing Typical operating distance With evaluation unit CES A AEA and actuator CES A BMB m 4 S 1 Output state deen di I Hysteresis OFF Sao Distance s Switch off distance OFF Distance s mm Hysteresis Switch on distance not permissible area 8 6 4 2 0 2 4 6 8 Centre offset m mm A minimum distance of s 1 2 mm must be maintained 33 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Pin assignment Read head with plug connector Screen B N d 7 H11 H12 SH1 View on the plug connector of the Evaluation unit read head CES A AEA Technical Data Parameter Value Unit min typ max Housing material Nickel plated CuZn housing sleeve Plastic PBT GF20 cap Dimensions M12 x 1 length 38 mm Weight incl 10 m cable 0 2 kg Ambient temperature 25 70 RS Ambient pressure E 10 bar only of active face in installed condition Degree of protection IP67 Installation position Any Method of operation Inducti
3. CPU B LS qo oa y DA 23 22 ee UB OV J1 J2 H11 H12 H21 H22 SH1 SH2 TST 01 02 DIA 13 14 23 24 Y1 Y2 S Power supply Short circuit bridge for teach in operation Connection for read heads 1 2 Shield Test input see Self test with test input TST page 17 Semiconductor monitoring outputs Diagnostics output Relay contact A connection safety relay enable Relay contact B connection safety relay enable Feedback loop Start button connection monitoring of the falling edge Operating Instructions Safety System CES A AEA o2B CES A AEA o4B EU CHNER Block diagram CES A AEA 04B Activation of the teach in operation with jumper on J1 J2 Trans Trans Trans Trans Coded ponder ponder ponder ponder actuators Operating MILLS Head selection Demodulator LED Filter Amplifier O STATE Comparator O OUT DIA STATE OUT DIA CPU B pr ot oe fos fo wl z 20 ts t4 vt j Y2 Ss UB O V Power supply Jl J2 Short circuit bridge for teach in operation H11 H12 H41 H42 Connection for read heads 1 4 SHI SH4 Shield TST Test input see Self test with test input TST page 1 7 01 04 Semiconductor monitoring outputs DIA Diagnostics output 13 14 Relay contact A connection safety relay enable 23 24 Relay contact B connection safe
4. Chiave llave Benannte Stelle 0035 Notified Body Organisme notifi Sede indicata Entidad citada Leinfelden Mai 2013 EUCHNER GmbH Co KG Kohlhammerstraf e 16 70771 Leinfelden Echterdingen Germany T V Rheinland Industrie Service GmbH Am Grauen Stein 51105 K ln Germany Dipl Ing Stefan Euctiner pastor ite Managing Director G rant d affaires Direttore Generale Director Gerente 27 05 2013 NG JM Blatt Sheet Page Pagina P gina 3 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 oo gt EC AJ LA Duc Binh Nguyen Dokumentationsbevollm chtigter Documentation manager Responsable documentation Responsabilit della documentazione Agente documenta 42 AEA NER Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCH 43 More than safety Euchner GmbH Co KG KohlhammerstraBe 16 D 70771 Leinfelden Echterdingen info euchner de www euchner de Issue 084606 17 10 13 Title Operating Instructions Safety System CES A AEA 02B CES A AEA 04B translation of the original operating instructions Copyright EUCHNER GmbH Co KG 10 2013 Subject to technical modifications all data supplied without liability EUCHNER EUCHNER
5. The power supply must not be switched off gt If these conditions are not met the evaluation unit switches to the safe fault state diagnostics LED illuminates and signals this operating fault with the STATE LED by 3 short flashes that are repeated every second The teach in operation must be repeated The number of teach in operations is unlimited The evaluation unit can be re configured as often as required Actuators cannot be interchanged without a renewed teach in operation gt An actuator that has not been subjected to teach in will not be detected by the related read head gt Even if only one new actuator needs to be taught a complete new teach in operation must be carried out as described in the section Setup Do not change DIP switches during operation To trigger a teach in operation the user must perform the following actions in the stipulated order 1 Prepare for teach in operation Switch off power supply U Fit a jumper between terminals J1 and J2 2 Set required configuration on DIP switches 15 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Switch designation Switch position left OFF Switch position right ON 1 o read head connected to ter Read head connected to terminals minals H11 H12 SH1 connected H11 H12 SH1 connected 2 o read head connected to ter Read head connected to terminals minals H21 H22 S
6. 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 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 www EUCHNER de Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Function The safety system CES A AEA complies with the following safety requirements Category 4 PLe according to EN ISO 13849 1 gt Proximity device with self monitoring type PDF M according to EN 60947 5 3 Redundant design of the circuit in the evaluation unit with self monitoring As a result the safety system is still effective even if a component fails When the safety guard is opened and close
7. CES A UEA 04B CES AZ ABS 01B Li a b d e ET 10126 CES AZ UBS 01B CES AZ AES 01B LI a b d e ET 10147 CES AZ AES 02B CES AZ AES 04B CES AZ UES 01B CES AZ UES 02B CES AZ UES 04B Lesekopf CES A LMN SC LI a bd e ET 10126 Read head CES A LNA SC ET 10124 T te de lecture CES A LNA xxx ET 10147 Testina di lettura CES A LCA xxx Cabeza lectora CES A LQA SC CES A LNN SC CES A LNN V CES A LSP SB 1 1 a b d e ET 10147 CES A LSP V CEM A LE05K S2 l I a b d e ET 10126 CEM A LEO5R S2 ET 10124 CEM A LH10K S3 ET 10147 CEM A LH10R S3 CEM A LE05K S1 10V CEM A LH10K S2 10V CET1 AX LRA 00 50X SA Lu a b d e ET 08072 CET1 AX LDA 00 50X SE ET 10147 Bet tiger CES A BBA LU a b d e ET 10126 Actuator CES A BCA ET 10124 Actionneur CES A BDA ET 10147 Azionatore CES A BMB Actuador CES A BQA CES A BSP LI a b d e ET 10147 CES A BBN CEM A BE05 Ll a b d e ET 10126 CEM A BH10 ET 10124 ET 10147 CET A BWK 50X LU a b d e ET 08072 ET 1014 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 27 05 2013 NG JM Blatt Sheet Page Pagina P gina 2 EUCHNER GmbH Co KG KohlhammerstraBe 16 70771 Leinfelden Echterdingen Tel 49 711 7597 0 Fax 49 711 753316 www euchner de info euchner de 41 Operating Instructions Safety System CES A AEA 02B CES A AEA o4B EUCHNER More than
8. the switch on delay can increase to max 3 s if this is fol After the operating voltage is switched on the relay outputs are switched off and the monitoring outputs are set LOW during the ready delay For the visual indication of the delay the green Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Ordering table Series Coreeoy Oe 3 Number of read heads Order no item 092560 CES A AEA 4 2 CES AAEA 028 21 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Evaluation unit CES A AEA 04B Approvals Housing for DIN rail mounting IP 20 es d Relay output LISTED 4 read heads can be connected Dimension drawing 45 114 E el z 8 iml 3 mi Y ll Suitable for 35 mm DIN rail according to EN 60715 Switching characteristics Safety guard closed Open 2 safety outputs all actuators detected e g actuator 1 not in the oper relay outputs ating distance 4 door monitoring outputs Read head 1 Actuator 1 Read head 1 semiconductor outputs not safety outputs aA pa cd 23 e24 23 9 24V 01 24V a 01 24V 0 2 24V 0 2 24V 0 3 24V 0 3 24V 0 4 24V 0 4 22 Operating Instructions Safet
9. 0 8 x Us U V DC Max load 20 mA Start button input S test input TST Input voltage LOW 0 2 HIGH 15 U veo Input current HIGH 5 8 10 mA EMC protection requirements In acc with EN 60947 5 3 Reliability values according to EN ISO 13849 1 Switching current at 24 V DC lt 0 1A lt 1A lt 3A Category 4 PL e PFH 1 3x 108 1 5x108 Mission time 20 years Number of switching cycles year 506 000 100 000 23 000 1 Without taking into account the load currents on the monitoring outputs 2 If a switching current gt 300 mA in conjunction with a switching voltage gt 15 V or an inductive or capacitive load is switched once using the relay outputs it is no longer possible to reliably switch small currents 15 mA due to the contact erosion on the gold contacts lowed immediately by further actuation ATE LED flashes at a frequency of approx 15 Hz oocos The dwell time is the time that the actuator must be inside or outside the operating distance In case of monitoring with feedback loop the actuators must remain outside the operating distance e g with a door open until the feedback circuit is closed 20 3 Corresponds to the risk time according to EN 60947 5 3 This is the maximum switch off delay for the safety outputs following removal of the actuator In case of EMC interference in excess of the requirements in accordance with EN 60947 5 3 the switch off delay can increase to max 430 ms After a brief actuation 0 4 s
10. AC 15 230V 1 5A 50Hz DC 13 24V 1 2A Classification according to EN 60947 5 3 PDF M Rated insulation voltage U 250 V Rated impulse withstand voltage U 4 kV Rated conditional short circuit current 100 A Resilience to vibration According to EN 60947 5 2 Mechanical operating cycles relays 10x 105 Switching delay from state change 4 activated actuators 450 3 activated actuators 370 ins 2 activated actuators 290 1 activated actuator 210 Time difference between the switching points of the two 400 rs relays with 4 activated actuators Manual start operating mode Duration of operation of start button 250 ms Start button response delay 200 300 Current via feedback loop Y1 Y2 5 8 10 mA Permissible resistance via feedback loop 600 Ready delay 10 12 S Dwell time 3 S Switching frequency max 9 0 25 Hz Monitoring outputs diagnostics DIA release 01 02 semi conductor output p switching short circuit protected Output voltage 0 8 x Us I U V DC Max load 20 mA Start button input S test input TST Input voltage LOW 0 2 HIGH 15 ls HES Input current HIGH 5 8 10 mA EMC protection requirements In acc with EN 60947 5 3 Reliability values according to EN ISO 13849 1 Switching current at 24 V DC lt 0 1A 1A 3A Category PL e PFH 1 3 x 108 1 5 x 108 Mission time 20 years Number of switching cycles year 506 000 00 000 23 000 1 Without taking into account the load currents on
11. Fortron reinforced thermoplastic fully encapsulated Dimensions 50x50x 20 2 mm Weight 0 08 kg Ambient temperature 25 70 O Degree of protection IP67 Installation position Any Method of operation Inductive Power supply Via evaluation unit In combination with actuator CES A BBA or CES A BCA Assured switch off distance S 47 Operating distance for center offset m 0 Switch on distance 15 mm Assured switch on distance S 10 Switching hysteresis 2 3 In combination with actuator CES A BQA on evaluation unit CES A AEA Assured switch off distance S 60 Operating distance with vertical approach direction Center offset m 0 Switch on distance 23 Assured switch on distance S 16 Switching hysteresis 2 3 mm Operating distance with side approach direction Distance in x direction 10 mm Switch on distance 28 Assured switch on distance S 24 Switching hysteresis 1 1 3 Connection cable 25 m 1 These values apply for surface installation of the read head and the actuator Ordering table Series Cable connection type Comment Order no item CES A LQA SC M 2 safety screws M4 x 14 are supplied CAC 32 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Approvals LISTED Note Note Read head CES A LMN SC Cylindrical design M12 gt M8 plug connector snap action and screw terminals Dimension drawing Reading distance S
12. Germany CE Dichiarazione di conformit Traduzione IT 3 CE Declaracion de Conformidad Traducci n ES E 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 following directives if applicable Les produits mentionn s ci dessous sont conformes aux exigences impos es par les directives suivantes si valable I 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 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 No 1 5 1 de la Directive Machines Gli obiettivi di sicurezza della Direttiva Bassa Tensione sono conformi a quanto riportato all allegato No 1 5 1
13. Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Approvals e t US LISTED Note Read head CES A LNA Cube shaped design 42 x 25 mm Hard wired cable Dimension drawing T 42 12 94 5 28 2 safety screws M4 x 14 4 6 are supplied Active face Active face Typical operating distance With evaluation unit CES A AEA and actuator CES A BBA m Output state S pol ON T T z Read head 20 Sao Distance s Switch off distance OFF Switch on distance Distance s mm 20 15 10 5 0 5 10 15 20 Centre offset m mm For a side approach direction for the actuator and read head a minimum distance of s 3 mm must be maintained so that the operating distance of the side lobes is not entered Pin assignment Read head with connection cable BN x Screen Read WH head T H11 H12 SH1 Evaluation unit CES A AEA 25 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Technical Data Parameter Value Unit min typ max Housing material Fortron reinforced thermoplastic fully encapsulated Dimensions 42x25x12 mm Weight incl 10 m cable 0 3 kg Ambient temperature 25 70 ZE Degree of protection IP67 IP69K Installation position Any Method of operation Inductive Power supply Via evaluation unit In combination with actuator CES A BBA
14. Status Table LED Operating mode 5 State Pl o ob gt w Z 3 El 5 3 5 se 4 Hz Oo O Initial setup after delivery without jumper connected to J1 J2 Setup lHz o O Teachin operation Oo Oo O Acknowledgement of completion of teach in operation e SE o O Selftest duration approx 10 seconds is performed after the application of the operating voltage U l Normal operation gt lt o O Normal operation not all monitored doors are closed MZ MZ Normal operation all monitored doors are closed after pressing the start button for Manual start operating ZIN ZIN mode Function test X o X Function test active TST input 24 V A ANI Internal component failure or actuator CES A BMB in the inadmissible range or excessively high external Fault display H AR interference EMC Configuration fault Teach in operation must be performed again Possible causes i State change during the teach in operation i 3x o MZ The DIP switch setting and the configuration did not match during the teach in operation rs DIP switch setting has been changed without teach in operation The teach in jumper J1 J2 was fitted with power supply switched on Closed feedback loop Y1 Y2 present although a feedback loop was not present during teach in Operating fault 24 V signal present at the start button input S although teach in was performed with Automatic start operating mode Fault
15. d ol Lem bs gt gt ES 2 8 c we PR S C982 GN iJ Suitable for 35 mm DIN rail according to EN 60715 Switching characteristics Safety guard closed Open 2 safety outputs all actuators detected e g actuator 1 not in the oper relay outputs ating distance gt 2 door monitoring outputs Read head 1 Actuator 1 Read head 1 semiconductor outputs not safety outputs ja aci 13 24 e14 jd 1 94 234 24 24V 01 0 01 24V 0 2 24V 0 2 19 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Technical Data Value E Parameter Unit min typ max Housing material Plastic PA6 6 Dimensions 114 x 99 x 45 mm Weight 0 25 kg Ambient temperature at U DC 24 V 20 55 C Atmospheric humidity not condensing 80 Degree of protection IP20 Degree of contamination 2 Installation DIN rail 35 mm according to EN 60715 Number of read heads Max 2 read heads per evaluation unit Connection screw terminals 0 14 2 5 mm Operating voltage U regulated residual ripple 5 21 24 27 VDC For the approval according to amp the following applies Operation only with UL Class 2 power supply or equivalent measures Current consumption with relay energized 220 270 mA External fuse operating volt
16. 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 EN 60947 5 3 1999 A1 2005 EN 1088 1995 A2 2008 EN 50295 1999 AS i EN ISO 13849 1 2008 EN ISO 13849 2 2012 EN 60947 5 2 2007 Folgende Normen sind angewandt Following standards are used Les normes suivantes sont appliqu es Vengono applicate le seguenti norme Se utilizan los siguientes est ndares WEE 27 05 2013 NG JM 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 40 Operating Instructions Safety System CES A AEA 02B CES A AEA o4B EUCHNER More than safety CE EUCHNER 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 Normea Numero del certificato Descripci n de componentes de Typo Directivas Est ndares N mero del certificado seguridad Auswerteger t CES A ABA 01 LH a b d e ET 10126 Safety Unit CES A UBA 01 Analyseur CES A ABA 01B Centralina CES A UBA 01B Unidad de evaluaci n CES A AEA 02B iu a b de ET 10124 CES A AEA 04B CES A UEA 02B
17. in feedback loop Possible causes s 1 Malfunction of the monitored contactor US 4x O 797 Following removal from the operating distance actuator is not outside the operating distance long enough As a result the feedback loop cannot be closed in this short time Note the release time for the monitored contactor Feedback loop was not closed when the evaluation unit was started N O Volt or not connected 1 24 Volt 0 0 Volt O LED is not lit XC LED is lit Key to symbols E De 15 Hz 10 s LED flashes for 10 seconds with 15 Hz Nt ue 3x4 XC LED flashes three times and then lights up continuously ewe 3x LED flashes three times and this is then repeated X Any state Important If you cannot find the displayed device status in the system status table this indicates that there is an internal device fault In this case you should contact the manufacturer 18 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Technical Data Note 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 Evaluation unit CES A AEA 02B Approvals Housing for DIN rail mounting IP 20 Relay output LISTED 2 read heads can be connected Dimension drawing 114 5 Bas
18. safety d KR EUCHNER 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 Auswerteger t CES AZ ALS LI a b de UQS 115948 Safety Unit CES A F1B 01B AS1 LU a b c d e Euchner QS PB 62 2005 Analyseur CES A V1B 01B AS1 T V 4478008554376 006 Centralina CES A F1B 04B AS1 MI a b c d e Euchner QS PB 28 2007 Unidad de evaluaci n CES A V1B 04B AS1 T V 4420708553977 001 Lesekopf CES A LNA AS1 MI a b c d e Euchner QS PB 28 2007 Read head T V 4420708553977 001 T te de lecture CEM A ME05K S1 LI a b d e Euchner QS PB 22 2005 Testina di lettura CEM A LE05H S2 Euchner QS PB 132 2010 Cabeza lectora CET1 AX L mI a b d e Euchner QS PB 17 2008 CET2 AX L Euchner QS PB 23 2008 Euchner QS PB 116 2009 Euchner QS PB 115 2009 Betatiger CES A BLN LI a b d e Euchner QS PB 45 2008 Actuator Actionneur Azionatore Actuador Zubeh r PM SCL 096945 H f Euchner QS PB 14 2006 Accessory Accessoire Accessorio Accesorio Schl sselaufnahme CKS A L1B SC LI a de UQS 114539 CH Key Adapter Serrure Sedi per la chiave M dulo adaptador Schl ssel CKS A BK1 RD NT a d e UQS 114539 Key Cl
19. screw terminals Dimension drawing 32 6 42 68 32 0 1 CESAL 77715 4 6 28 LO eege H 9 d i SC 3Active face 1 min 38 Active face 5 5 i 2 safety screws M4 x 14 are supplied Cable outlet with angled connector 1 L CESALJO77715 Sar O Typical operating distance With evaluation unit CES A AEA and actuator CES A BBA m Output state S ON T im B Read head 20 OFF Sao Distance s Switch off distance OFF OFF Hysteresis Switch on distance Distance s mm 5 10 15 20 Centre offset m mm For a side approach direction for the actuator and read head a minimum distance of s 3 mm must be maintained so that the operating distance of the side lobes is not entered 27 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Pin assignment Read head with plug connector BN 1 H11 H12 SH1 View on the plug connector of the Evaluation unit read head CES A AEA Technical Data Parameter Value Unit min typ max Housing material Fortron reinforced thermoplastic fully encapsulated Dimensions 42x25x12 mm Weight incl 10 m cable 0 3 kg Ambient temperature 25 70 C Degree of protection IP67 IP69K Installation position Any Method of operation Inductive Power supply Via eval
20. test with test input TST On electromechanical safety switches or magnetic switches the function test can be performed by cyclically opening the safety guard From Category 2 according to EN ISO 13849 1 and in accordance with EN 60204 1 1997 sec 9 4 2 4 a function test must be performed on the entire safety system on start up or after defined intervals Testing of the internal function of the device is not necessary because the device monitors itself in real time Welding of an output contact relay output is detected by the device at the latest the next time the safety guard is opened A short circuit in the output cable is not detected by the device In addition the entire safety circuit can be tested without opening the safety guard For this purpose opening of the safety guard can be simulated by applying 24 V DC to the test input TST The safety outputs are switched off enabling testing of the complete safety circuit The diagnostic output DIA of the evaluation unit is also set HIGH as a monitoring function When the test input TST is reset the evaluation unit resets the diagnostic output DIA to LOW the red LED switches off and normal operation is continued In Manual start operating mode the start button must be pressed again to start the system After the self test test input TST must be reconnected to O V or disconnected 17 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER System
21. the monitoring outputs 2 If a switching current gt 300 mA in conjunction with a switching voltage gt 15 V or an inductive or capacitive load is switched once using the relay outputs it is no longer possible to reliably switch small currents lt 15 mA due to the contact erosion on the gold contacts Corresponds to the risk time according to EN 60947 5 3 This is the maximum switch off delay for the safety outputs following removal of the actuator In case of EMC interference in excess of the requirements in accordance with EN 60947 5 3 the switch off delay can increase to max 750 ms After a brief actuation lt 0 8 s the switch on delay can increase to max 3 s if this is fol lowed immediately by further actuation After the operating voltage is switched on the relay outputs are switched off and the monitoring outputs are set LOW during the ready delay For the visual indication of the delay the green ATE LED flashes at a frequency of approx 15 Hz The dwell time is the time that the actuator must be inside or outside the operating distance In case of monitoring with feedback loop the actuators must remain outside the operating distance e g with a door open until the feedback circuit is closed w A Dan 23 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Ordering table Series iios Oe fo Number of read heads Order no item 072000 CES A AEA 4 4 CES AAEA 048 24
22. CES A AEA o4B EU CHNER Connection example CES A AEA 02B 24 VDC Fill all Ll 12 L3 B KV HQ 23 33 14 24 34 O O O O O O O EUCHNER OV UB J1 J2 oui H11H12 SH2 H21H22 CES A AEA 02B Ko 13 23 33 Start TST 092560 01 02 03 04 DIA oh 201 14 UG S ar 14 24 34 T7 Jee ege gd M1 21K2 ay 22 21 Al Al K1 AN ET y2 A 22 A2 A2 feedback loop GNDo Important To achieve category 4 according to EN ISO 13849 1 it is necessary to monitor the downstream contactors here contacts of K1 and K2 in the feedback loop This example shows 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 13 Operating Instructions Safety System CES A AEA 02B CES A AEA o4B EU CHNER Connection example CES A AEA 04B 24 VDC Fill ll sess Li L2 L3 O O H 0 O O O O O O O O O O O O OV UB J1 J2 SH1 H11H12 SH2 H21H22 SH3 H31H32 SH4 H41H42 qud 13 231 33 CES A AEA 04B EUER Im StartE Ter 072000 01 02 0304 DIA 2324 1314 YI Y2 8 T T her o e 9 Ko 134 23 33 14 24 34 21 K2 211 M1 Al Al d A2 A2 feedback loop GNDo Important To achieve category 4 according to EN ISO 13849 1 it is necessary to monitor the downstream contactors here contacts of K1 and K2 in
23. EM A LH10K S3 095170 A CEM A LH10R S3 095793 CET1 AX All items A e Combination possible A Combination possible guard locking for process protection Key to symbols S H 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 liability will be excluded and the warranty void Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER General Safety Instructions Warning Important Safety switches fulfill personal protection functions 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 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
24. H2 connected H21 H22 SH2 connected 3 o read head connected to ter Read head connected to terminals minals H31 H32 SH3 connected H31 H32 SH3 connected 4 o read head connected to ter Read head connected to terminals minals H41 H42 SH4 connected H41 H42 SH4 connected 5 Automatic start Manual start No start button connected Start button connected 6 No feedback loop connected Feedback loop connected 3 Set required configuration on machine Close all doors to be monitored the actuators must be in the operating distance of the related read head gt For Manual start operating mode Keep start button closed gt For With feedback loop operating mode keep feedback loop closed 4 Start teach in operation gt Switch on operating voltage gt Wait for self test STATE LED flashes for approx 10 seconds at 15 Hz Teach in operation starts STATE LED flashes at approx 1 Hz Wait for acknowledgement of the teach in operation STATE LED goes out after approx 10 seconds 5 End teach in operation Remove jumper between J1 and D gt For Manual start operating mode Start button must be connected gt For With feedback loop operating mode Feedback loop must be connected Interrupt operating voltage for at least 10 seconds Wait for self test STATE LED flashes for approx 10 seconds at 15 Hz 6 Check all safety guards for effectiveness Changing the configuration learning new actuator The evaluation unit can be
25. Operating instructions Non contact safety system CES A AEA 02B CES A AEA 04B Unicode EUCHNER EUCHNER More than safety Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Contents Correct Use Possible combinations for CES components Exclusion of Liability and Warranty General Safety Instructions Function Block diagram CES A AEA 02B Block diagram CES A AEA 04B Installation Electrical Connection Safety in case of faults Fusing of the power supply and the safety contacts Connection example CES A AEA 02B Connection example CES A AEA 04B Setup LED indicators Teach in operation Functional check System Status Table Technical Data Evaluation unit CES A AEA 02B Evaluation unit CES A AEA 04B Read head CES A LNA Cube shaped design 42 x 25 mm Read head CES A LNA SC Read head CES A4 CA Read head CES A LQA SC Read head CES A LMN SC Actuator CES A BBA CES A BCA Actuator CES A BQA Actuator CES A BDA Actuator CES A BMB Inspection and Service Service Declaration of Conformity Operating Instructions Safety System CES A AEA 02B CES A AEA 04B 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 guar
26. S A AEA 02B CES A AEA 04B EUCHNER Inspection and Service Warning Loss of the safety function because of damage to the device In case of damage the related 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 Check for tightness of the plug connector on the read head Check for loose cable connections on the plug connector Check of the switch off distance 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 on the rating plate in the lower right corner Service If service support is required please contact EUCHNER GmbH Co KG KohlhammerstraBe 16 D 70771 Leinfelden Echterdingen Service telephone 49 711 7597 500 E mail info euchner de Internet www euchner de 39 Operating Instructions Safety System CES A AEA 02B CES A AEA o4B EUCHNER Declaration of Conformity More than safety I s EUCHNER EUCHNER GmbH Co KG EG Konformit tserkl rung Original DE 2 Kohlhammerstrake 16 EC Declaration of Conformity Translation EN E 70771 Leinfelden Echterdingen CE D claration de Conformit Traduction FR amp
27. age U 0 4 8 A Safety contacts 2 relays with internally monitored contacts Switching current relay outputs At switching voltage AC DC 1 60V 12 300 At switching voltage AC DC 17 30V 15 6000 dl At switching voltage AC 17 230 V 15 1500 Switching load according to Du Max AC 30 V class 2 max DC 60 V class 2 External fuse safety circuit according to EN 60269 1 6 A gG or 6 A circuit breaker characteristic B or C Utilization category to EN 60947 5 1 AC 12 60V 300mA 50Hz DC 12 60V 300mA AC 12 30V 6A DC 12 30V 6A AC 15 230V 1 5A 50Hz DC 13 24V 1 2A Classification according to EN 60947 5 3 PDF M Rated insulation voltage U 250 V Rated impulse withstand voltage U 4 kV Rated conditional short circuit current 100 A Resilience to vibration According to EN 60947 5 2 Mechanical operating cycles relays 10 x 105 Switching delay from state change 2 activated actuators 290 mus activated actuator 210 Time difference between the switching points of the two 240 ms relays with 2 activated actuators Manual start operating mode Duration of operation of start button 250 Start button response delay 200 300 dis Current via feedback loop Y1 Y2 5 8 10 mA Permissible resistance via feedback loop 600 Q Ready delay 10 12 S Dwell time 3 S Switching frequency max 9 0 25 Hz Monitoring outputs diagnostics DIA release 01 02 semi conductor output p switching short circuit protected Output voltage
28. al CES A BCA only Fluororubber 75 FPM 4100 Dimensions 42x25x12 mm Weight 0 02 kg Ambient temperature CES A BBA 25 70 C CES ABCA 25 50 Degree of protection IP67 IP69K Installation position Active face opposite read head Power supply Inductive via read head Ordering table Series Comment Version Order no item CES A BBA 2 safety screws M4 x 14 are supplied 071840 CES A BBA CES A BCA 2 safety screws M4 x 14 are supplied Flat seal included 088786 Housing material PE HD CES ABCA 35 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Actuator CES A BQA Cube shaped design 50 x 50 mm Dimension drawing CES A BQA 20 2 F E d 6 Active face Technical Data Value Parameter Unit min typ max Housing material Fortron reinforced thermoplastic fully encapsulated Dimensions 50x50x 20 2 mm Weight 0 07 kg Ambient temperature 25 70 C Degree of protection IP67 Installation position Active face opposite read head Power supply Inductive via read head Ordering table Series Comment Version Order no item CES A BQA 2 safety screws M4 x 14 are supplied 098108 CES A BQA 36 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Technical data Actuator CES A BDA Round design 20 mm In combination with read head CES A LNA CES A LCA Dimension drawing
29. d it is checked whether the safety system relays open and close correctly The CES non contact safety system consists of three components Coded actuator Read head Evaluation unit 1 to 2 read heads can be connected to the CES A AEA 02B evaluation unit and 1 to 4 read heads can be connected to the CES A AEA 04B evaluation unit It is also possible to connect a start button monitoring of the falling edge and a feedback loop for monitoring external relays and contactors The individual configuration is defined by a setup procedure Each delivered 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 read heads are fastened to the fixed part of the safety guard and are each connected to the evaluation unit via a two core screened cable The actuator fastened to the movable part of the safety guard is moved towards the read head by closing the door When the switch on distance is reached power is supplied to the actuator by the read head by induction and data can be transferred The bit pattern read is compared with the code saved in the evaluation unit If the data match the door monitoring output 01 02 or 01 04 semiconductor output on the related read head is set HIGH If all data for all read heads activated match the safety outputs relay outputs are then enabled The OUT LED illuminates Optionally a feedback loop can be c
30. d is open A stop command is triggered if the safety guard is opened during the dangerous machine function Before safety switches are used a risk assessment must be performed on the machine in accordance with gt EN ISO 13489 1 Safety of machinery Safety related parts of control systems General principles for design 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 Correct use includes compliance with the relevant requirements for installation and operation in particular gt EN ISO 13489 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 behaviour under fault conditions PDF The following components can be connected to the evaluation unit CES A AEA CES read heads CEM read heads gt CET read heads For further information refer to the operating instructions of the corresponding component and to the following table Possible combinations fo
31. e changes as a function of the installation depth and the safety guard material the safety outputs are safely shut ar Flush mounting Surface mounting Operating W Operating distance distance L E E Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Note the following points Actuator and read head must be easily accessible for inspection and replace ment gt The switching operation must only be triggered by the specific actuator desig nated for this purpose Actuator and read head must be fitted so that the front faces are at the minimum switch on distance 0 8 x S or closer see section Operating distances To avoid entering the area of possible side lobes a minimum distance is to be maintained in case of a side approach direction See section Typical operating distance for the related actuator 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 read head or safety switch and actuator mountings of 1 Nm For read heads actuators made of PE HD the maximum tightening torque is only 0 5 Nm 10 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER E
32. ith actuator CES A BDA on evaluation unit CES A AEA Assured switch off distance S 33 Operating distance for center offset m 0 2 Switch on distance 16 im Assured switch on distance S 11 Switching hysteresis 0 5 2 Minimum distance s with lateral approach direction 4 Connection cable Hard wired encapsulated connection cable with crimped ferrules PVC 4 6 mm Cable length 25 m 1 These values apply to non flush installation of the read head and actuator 2 These values apply to metal free surrounding material Other materials on request Ordering table Series Cable connection type Cable length I m Order no item V 088785 GEB Rue Cable PVC ub CESALCA 10V 30 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Read head CES A LQA SC Approvals Cube shaped design 50 x 50 mm us gt M8 plug connector snap action and screw terminals LISTED Dimension drawing Active face Typical operating distance with actuator CES A BQA on evaluation unit CES A AEA 31 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Pin assignment Read head with connection cable Screen 4 BN r i 1 Read head WH 3 Evaluation unit CES A AEA Technical Data Parameter Value Unit min typ max Housing material
33. lectrical Connection Warning Caution Important In case of an error loss of the safety function through incorrect connection To ensure safety both safety outputs 13 14 and 23 24 must always be evaluated The monitoring output OUT must not be used as a safety output Lay the connection cables with protection to prevent the risk of short cir cuits Risk of damage to equipment or malfunctions as a result of incorrect connection gt 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 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 as per UL248 This fuse should be designed for max 3 3 A and should be integrated into the 30 V DC voltage section 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 Use cable material made of copper with a temperature re
34. on evaluation unit CES A AEA Assured switch off distance S 32 Operating distance for center offset m 0 Switch on distance 15 im Assured switch on distance S 10 S Switching hysteresis 0 5 2 Minimum distance s with lateral approach direction 3 In combination with actuator CES A BDA on evaluation unit CES A AEA Assured switch off distance S 33 Operating distance for center offset m 0 Switch on distance 16 gl Assured switch on distance S 11 Switching hysteresis 0 5 2 Minimum distance s with lateral approach direction 4 Connection cable Hard wired encapsulated connection cable with crimped ferrules PVC 4 6 mm PUR 4 8 mm suitable for drag chain Cable length 25 m 1 These values apply to non flush installation of the read head and actuator 2 These values apply to metal free surrounding material Other materials on request Ordering table Series Cable connection type Cable length I m Order no item 5 071845 CES A LNA 05V 10 071846 V CES A LNA 10V Cable PVC 071847 Je CES ALNA 15V 071975 CES A LNA 25 CESALNA25V 5 077806 CES A LNA 05P P 10 077807 Cable PUR CES A LNA 10P 15 084682 CES A LNA 15P 26 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Approvals Us LISTED Note Read head CES A LNA SC Cube shaped design 42 x 25 mm gt M8 plug connector snap action and
35. onnected to the evaluation unit The evaluation unit can then only be started with the feedback loop closed A welded contactor contact in the release path will thus be detected the next time the machine is started Due to the combination of dynamic polling of the actuators and the redundant diverse design of the safety electronics with two safety outputs the evaluation unit will enter the safe state with every detectable fault When a safety guard is opened the safety outputs switch off the safety circuit and the OUT LED goes out The state of the safety outputs is monitored internally by positively driven NC contacts relay output Independent of the switching state of the safety circuit the position of all safety doors can be polled via the outputs 01 02 or 01 04 If an internal fault occurs in the evaluation unit the safety circuit is switched off the diagnostic output DIA is set HIGH and the DIA LED illuminates red Operating Instructions Safety System CES A AEA o2B CES A AEA o4B EU CHNER Block diagram CES A AEA 02B Activation of the o l A Trans o Trans teach in operation with ponder 3 ts ponder jumper g B on J1 J2 T Os NE Operating l LO voltage l 3 Do ov j 9 24V Uo be 5 l l c STATE OUT DIA V sesese MEM AO Head selection Demodulator LED Filter Amplitier O STATE Comparator OKOV ooe DIA NO HIl H2
36. r CES components The devices permit a safety related stop function initiated by a safety guard according to Table 8 DIN EN ISO 13849 1 2008 12 The safety related function of the PDF is the opening of at least one of the output contacts 13 14 23 24 when the actuator is absent The user is responsible for safe integration of the device in a safe overall system For this purpose the overall system must be validated e g in accor dance with EN ISO 13849 2 The permissible operating parameters must be observed for correct use 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 Only components may be used that are permissible in accordance with the table below Operating Instructions Safety System CES A AEA o2B CES A AEA o4B EU CHNER Possible combinations for CES components Actuator EI e o E Read head safety lt lt 2 ca lt lt 3 E y Evaluation unit a S 9 a gt S amp S 5 tS 4 Tg Ez i5 lt 2 amp o is Te in ne Kb oz oz as as o3 e EG EG os os os os os Oz os os os o8 CES A LNA All items e e e CES A LNA SC 077715 e CES A LCA All items e e e CES A LMN SC e 077790 CES A AEA 02B CES A LQA SC 092560 095650 e e e CES A AEA 04B CEM A LEO5K S2 072000 094800 ay CEM A LEO5R S2 095792 C
37. re configured as often as required For this purpose you must proceed as per the first teach in operation according to the Setup procedure section Faulty actuators can be replaced Then a complete teach in operation must be performed as per the section Setup The number of teach in operations is unlimited 16 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Warning Important 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 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 approx 10 seconds at 15 Hz The STATE LED then lights up continuously The OUT and ERROR LEDs do not light up 2 Close all safety guards gt The machine must not start automatically The green STATE LED and the yellow OUT LED light up 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 STATE LED lights up continuously the OUT and ERROR LEDs do not light up Repeat steps 2 4 for each safety guard Self
38. sistance of at least 75C The tightening torque for the screws on the connection terminals must be 0 6 0 8 Nm The connection cable for the read heads must only be extended using EU CHNER plug connectors and adequate consideration must be given to EMC Intermediate terminals must not be used The screen on the connection cable for the read head must be connected to the appropriate terminal SH1 4 on the evaluation unit The portion of cable from which insulation is stripped should be kept as short as possible max 3 cm If the device does not appear to function when operating voltage is applied e g green STATE LED does not illuminate or flash the safety switch must be returned unopened to the manufacturer 11 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Safety in case of faults The operating voltage U is reverse polarity protected The connections for the read heads are not short circuit proof A short circuit between 13 14 and 23 24 can be detected only by means of external pulsing gt A short circuit in the cable can be excluded by laying the cable with protection Fusing of the power supply and the safety contacts Provide external contact fuses 6 A gG fuse or 6 A circuit breaker characteris tic B or C for relay outputs The power supply must be protected with a max 8 A fuse before terminal U 12 Operating Instructions Safety System CES A AEA o2B
39. the feedback loop This example shows 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 14 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Setup Important LED indicators STATE LED green State display multifunction display using flashing modes OUT LED yellow Safety circuit closed DIA LED red Operating error or External fault fault in the feedback loop or Teach in process not valid or Internal device fault or TST input activated function test active Teach in operation Before the system forms a function unit the parameters are set in the evaluation unit in a teach in operation number of connected read heads assignment of the actuators to the read heads with or without automatic start with or without feedback loop In this process the read heads are activated and the actuator code is learned These configuration parameters are saved in the non volatile memory in the evalu ation unit The safety outputs are open during the teach in operation The system is in a safe state During the teach in operation the following conditions must be met There must be no state change e g opening a safety guard or closing a further safety guard or a change in the signal on the terminals for the start button and the feedback circuit
40. tion unit CES A AEA 01 and actuator CES A BCA m Output state S ON i T T Read head 20 OFF San Distance s Switch off distance OFF Switch on distance Distance s mm Centre offset m mm For a side approach direction for the actuator and read head a minimum distance of s 3 mm must be maintained so that the operating distance of the side lobes is not entered 29 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Pin assignment Read head with connection cable BN N Screen Read WH head 7 H11 H12 SH1 View on the plug connector of the Evaluation unit read head CES A AEA Technical Data Parameter Value Unit min typ max Housing material Plastic PE HD without reinforcement fully encapsulated Flat seal material Fluororubber 75 FPM 4100 Dimensions 42x25x12 mm Weight incl 10 m cable 0 3 kg Ambient temperature 25 50 C Degree of protection IP67 IP69K Installation position Any Method of operation Inductive Power supply Via evaluation unit In combination with actuator CES A BBA on evaluation unit CES A AEA Assured switch off distance S 32 Operating distance for center offset m 0 Switch on distance 15 Assured switch on distance S 10 m Switching hysteresis 0 5 2 Minimum distance s with lateral approach direction 3 In combination w
41. ty relay enable YL Y2 Feedback loop S Start button connection monitoring of the falling edge Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Installation 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 The 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 standard rails f 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 The distance enables heat from the evaluation unit to dissipate Caution Risk of damage to equipment as a result of incorrect installation Read heads or actuators must not be used as a mechanical end stop Fit an additional end stop for the movable part of the safety guard Important gt From the assured switch off distance S down When mounting several read heads observe the stipulated minimum dis tance to avoid mutual interference For CESAMMNA LCA s 50mm For CES A LMN Sin 20 MM For CES A LQA San O0 fm f the actuator is installed flush the switching distanc
42. uation unit In combination with actuator CES A BBA on evaluation unit CES A AEA Assured switch off distance S 32 Operating distance for center offset m 0 Switch on distance 15 Assured switch on distance S 10 n Switching hysteresis 0 5 2 Minimum distance s with lateral approach direction 3 In combination with actuator CES A BDA on evaluation unit CES A AEA Assured switch off distance S 33 Operating distance for center offset m 0 Switch on distance 16 Assured switch on distance S 11 x mm Switching hysteresis 0 5 2 Minimum distance s with lateral approach direction 4 Connection M8 plug connector snap action and screw terminals 3 pin Connection cable 25 m 1 These values apply to non flush installation of the read head and actuator 2 These values apply to metal free surrounding material Other materials on request Ordering table Series Order no item CES A LNA SC 077715 CES A LNA SC 28 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Approvals LISTED Note Note Read head CES A LCA Cube shaped design 42 x 25 mm Plastic PE HD housing material suitable for use in aggressive media e g ac ids alkalis Dimension drawing Active face 2 safety screws M4 x 14 are supplied The flat seal provided must be used during assembly Typical operating distance With evalua
43. ve Power supply Via evaluation unit In combination with actuator CES A BMB on evaluation unit CES A AEA 04B Assured switch off distance S 5 S 10 Operating distance for center offset m 01 Switch on distance 5 mm Assured switch on distance S 3 5 Switching hysteresis 0 1 0 3 Connection M8 plug connector snap action and screw terminals 3 pin Connection cable 15 m 1 These values apply to non flush installation of the read head in steel Ordering table Series Order no item SS CESALMNSC 34 Operating Instructions Safety System CES A AEA 02B CES A AEA 04B EUCHNER Note Actuator CES A BBA CES A BCA Cube shaped design 42 x 25 mm gt CES A BCA suitable for use in aggressive media e g acids alkalis gt In combination with read head CES ALNA CES M CA Dimension drawing CES A BBA 42 12 24 5 98 Active face 4 6 Active face 2 safety screws M4 x 14 are supplied Dimension drawing CES A BCA CES A BCA Diana Active face Active face 2 safety screws M4 x 14 re supplied Technical Data CES A BCA The flat seal provided must be used during assembly Value Parameter S 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 materi
44. y System CES A AEA 02B CES A AEA 04B EUCHNER Technical Data Value E Parameter Unit min typ max Housing material Plastic PA6 6 Dimensions 114 x 99 x 45 mm Weight 0 25 kg Ambient temperature at U DC 24 V 20 55 C Atmospheric humidity not condensing 80 Degree of protection IP20 Degree of contamination 2 Installation DIN rail 35 mm according to EN 60715 Number of read heads Max 4 read heads per evaluation unit Connection screw terminals 0 14 2 5 mm Operating voltage U regulated residual ripple 5 6 21 24 27 VDC For the approval according to amp the following applies Operation only with UL Class 2 power supply or equivalent measures Current consumption with relay energized 220 270 mA External fuse operating voltage U 0 4 8 A Safety contacts 2 relays with internally monitored contacts Switching current relay outputs At switching voltage AC DC 1 60V 12 E 300 At switching voltage AC DC 17 30V 15 6000 m At switching voltage AC 17 230V 15 1500 Switching load according to Ds Max AC 30 V class 2 max DC 60 V class 2 External fuse safety circuit according to EN 60269 1 6 A gG or 6 A circuit breaker characteristic B or C Utilization category to EN 60947 5 1 AC 12 60V 300mA 50Hz DC 12 60V 300mA AC 12 30V 6A DC 12 30V 6A
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