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Operating Instructions

Transponder-Coded Safety Switch CET.-AR-…

(Translation of the original operating instructions) 2110788-13-03/20

Contents

About this document ............................................................................................. 4

1.1. Scope ............................................................................................................................................4
1.2.

Target group ..................................................................................................................................4

1.3.

Key to symbols ...............................................................................................................................4

1.4.

Supplementary documents ..............................................................................................................4

Correct use .......................................................................................................... 5

Description of the safety function .......................................................................... 6

Exclusion of liability and warranty ......................................................................... 7

General safety precautions ................................................................................... 8

6. Function ............................................................................................................... 9

6.1.

Guard lock monitoring .....................................................................................................................9

6.2.

Monitoring output (OUT) ..................................................................................................................9

6.3.

Door monitoring output (OUT D) .....................................................................................................10

6.4.

Diagnostic output (DIA) ..................................................................................................................10

6.5.

Guard locking for versions CET1 and CET3 .....................................................................................10

6.6.

Guard locking for versions CET2 and CET4 .....................................................................................10

6.7.

Start button and feedback loop (optional) .......................................................................................10

6.8.

Switching states ...........................................................................................................................11

Manual release ................................................................................................... 12

7.1.

Auxiliary release and auxiliary key release (can be retrofitted) ...........................................................12
7.1.1.

Actuating auxiliary release .............................................................................................12

7.1.2.

Actuating auxiliary key release .......................................................................................12

7.2.

Emergency release (can be retrofitted) ...........................................................................................13
7.2.1.

Actuating emergency release .........................................................................................13

7.3.

Escape release (optional) ..............................................................................................................14
7.3.1.

Actuating escape release...............................................................................................14

7.4.

Wire front release (optional) ...........................................................................................................15
7.4.1.

Laying wire front release ................................................................................................15

Changing the approach direction ........................................................................ 15

9. Mounting ............................................................................................................ 16

10. Electrical connection .......................................................................................... 18

10.1. Notes about

.........................................................................................................................19

10.5.1. Determining cable lengths using the example table ..........................................................22

Содержание CET.-AR Series

Страница 1: ...EN Operating Instructions Transponder Coded Safety Switch With Guard Locking CET AR Unicode Multicode ...

Страница 2: ...ions CET2 and CET4 10 6 7 Start button and feedback loop optional 10 6 8 Switching states 11 7 Manual release 12 7 1 Auxiliary release and auxiliary key release can be retrofitted 12 7 1 1 Actuating auxiliary release 12 7 1 2 Actuating auxiliary key release 12 7 2 Emergency release can be retrofitted 13 7 2 1 Actuating emergency release 13 7 3 Escape release optional 14 7 3 1 Actuating escape rele...

Страница 3: ...eration on an AR evaluation unit 35 10 12 Notes on operation with safe control systems 35 10 12 1 Particularities for version with plug connectors 2xM12 wiring diagrams A and B and plug connector M23 RC18 wiring diagrams D and E 35 11 Setup 37 11 1 LED displays 37 11 2 Teach in function for actuator only for unicode evaluation 37 11 2 1 Preparing device for the teach in operation and teaching in a...

Страница 4: ...ion Meaning Printed document I n t e r n e t www Document is available for download at www euchner com DANGER WARNING CAUTION Safety precautions Danger of death or severe injuries Warning about possible injuries Caution slight injuries possible NOTICE Important Notice about possible device damage Important information Tip Useful information 1 4 Supplementary documents The overall documentation for...

Страница 5: ...ce is used a risk assessment must be performed on the machine e g in accordance with the following standards Ì EN ISO 13849 1 Ì EN ISO 12100 Ì IEC 62061 Correct use includes observing the relevant requirements for installation and operation particularly based on the following standards Ì EN ISO 13849 1 Ì EN ISO 14119 Ì EN 60204 1 The safety switch is allowed to be operated only in conjunction with...

Страница 6: ...safety outputs are switched off when the guard is open monitoring of the door position Guard locking can be activated only when the actuator is located in the switch head prevention of inadvertent locking position faulty closure protection The following additionally applies in an AR series connection the safety outputs are switched on only when the device receives a corresponding signal from its p...

Страница 7: ...nction within the device It therefore does not contribute to the failure probability The safety level for the control of guard locking is determined exclusively by the external control e g PFHDext for the standstill monitor Guardlocking Device PFHDext e g standstill monitor locking mean NOTICE For more information about safe control of guard locking see chapter 10 12 Notes on operation with safe c...

Страница 8: ...red ineffec tive On this topic pay attention in particular to the measures for reducing the possibility of bypass ing according to EN ISO 14119 2013 section 7 Ì The switching operation must be triggered only by actuators designated for this purpose Ì Prevent bypassing by means of replacement actuators only for multicode evaluation For this purpose restrict access to actuators and to keys for relea...

Страница 9: ...ata are transferred The safety outputs are switched on when the locking pin is in the recess state door closed and locked and a permissible code is detected When guard locking is released the safety outputs and the monitoring output OUT are switched off Important Ì CET3 closed circuit current principle The activation of the guard locking solenoid results in the shutdown of the safety outputs OA OB...

Страница 10: ... actuator s guard locking pin above the edge of the recess The guard can be opened 6 6 Guard locking for versions CET2 and CET4 guard locking actuated by power ON and released by spring force Important Use as guard locking for personnel protection is possible only in special cases after strict assessment of the accident risk see EN ISO 14119 2013 section 5 7 1 Activating guard locking apply voltag...

Страница 11: ...und in the system status table All safety outputs monitoring outputs and LED displays are described there Guard closed and locked Guard closed and not locked Guard open Voltage at guard locking solenoid CET1 3 off on irrelevant Voltage at guard locking solenoid CET2 4 on off irrelevant Safety outputs OA and OB on off off Monitoring output OUT on off off Door monitoring output OUT D only CET3 and C...

Страница 12: ...sume an undefined state Open the guard and close it again after resetting the auxiliary release or auxiliary key release The device will then operate normally again Important Ì The actuator must not be under tensile stress during manual release Ì After use reset the auxiliary release and screw in and seal the locking screw e g with sealing lacquer Ì The auxiliary key release must not be used to lo...

Страница 13: ...rea without tools Ì The emergency release must possess a marking indicating that it may be used only in an emergen cy Ì The actuator must not be under tensile stress during manual release Ì The emergency release must be sealed or the misuse of the release function must be prevented in the control system Ì The release function meets all other requirements from EN ISO 14119 Ì The emergency release m...

Страница 14: ... OUT is switched off OUT D can assume an undefined state Open the guard and close it again after resetting the escape release The device will then operate normally again Important Ì It must be possible to actuate the escape release manually from in side the protected area without tools Ì It must not be possible to reach the escape release from the outside Ì The actuator must not be under tensile s...

Страница 15: ...ly irrespective of this infor mation Important Ì The wire front release meets the requirements of Category B according to EN ISO 13849 1 2015 Ì The correct function depends on the laying of the pull wire and the attachment of the pull handle and this is the responsibility of the plant manufacturer Ì The actuator must not be under tensile stress during manual release 7 4 1 Laying wire front release...

Страница 16: ... used as an end stop Ì Observe EN ISO 14119 2013 sections 5 2 and 5 3 for information about mounting the safety switch and the actuator Ì Protect the switch head against damage as well as penetrating foreign objects such as swarf sand and blasting shot etc The switch should be installed with the actuating head down for this purpose Ì Observe the min door radii see Figure 2 Ì Ensure that the actuat...

Страница 17: ...itch CET AR EN Note the following points Actuator and safety switch must be fitted so that Ì the active faces of the actuator and the safety switch are parallel with each other Ì the actuator is fully inserted into the switch recess when the guard is closed Ì no dirt can accumulate in the recess Approach zone 90 74 5 4 mm ...

Страница 18: ...re switched off Depending on the inertia of the downstream device control system relay etc this can lead to short switching processes Ì The inputs on an evaluation unit connected must be positive switching as the two outputs on the safety switch deliver a level of 24 V in the switched on state Ì The device is not suitable for operation on earth leakage monitors Ì All the electrical connections mus...

Страница 19: ...UL approval the devices have been tested as per the requirements of UL508 and CSA C22 2 no 14 protection against electric shock and fire 10 2 Safety in case of faults Ì The operating voltage UB and the solenoid voltage UCM are reverse polarity protected Ì The safety outputs OA OB are short circuit proof Ì A short circuit between OA and OB is detected by the switch Ì A short circuit in the cable ca...

Страница 20: ...he following table apply EUCHNER provides no warranty for safe function in case of failure to comply with these require ments Observe the following requirements with respect to the connecting cables For safety switch CET AR with plug connectors 2 x M12 Parameter Value Unit Conductor cross section min 0 25 mm R max 60 W km C max 120 nF km L max 0 65 mH km Recommended cable type LIYY 8 x 0 25 mm For...

Страница 21: ...unt the voltage drop as a result of the cable resistance see table below with example data and case example SPS PLC l1 l2 lmax 200 m ln umin 24 V 10 un 24 V 20 5 x 0 34 mm2 CET AR n CES AR n 1 CES AR 1 iout n Max number of switches IOA OB mA Possible output current per channel OA OB l1 m Max cable length from the last switch to the control system 5 10 150 25 100 50 80 100 50 200 25 6 10 120 25 90 ...

Страница 22: ... connected downstream that consumes 75 mA at each of the two safety inputs This operates over the whole temperature range with a voltage of 19 2 V corresponds to 24 V 20 All the relevant values can now be determined using the example table 1 Select the corresponding section in the column n max number of switches Here six switches 2 In column IOA OB possible output current per channel OA OB find a ...

Страница 23: ...to 0 V 3 Version without feedback loop and without teach in input This connection must be connected to 0 V 1 Only for standard EUCHNER connecting cable 2 With dual channel solenoid control do not connect to 0 V UB 3 Only for ID no 109015 10 6 2 Version with door monitoring output CET3 4 Wiring diagram B Plug connector view of connection side Pin Designation Function Conductor coloring of connectin...

Страница 24: ...M23 RC18 10 7 1 Version without door monitoring output CET1 2 Wiring diagram D Plug connector view of connection side Pin Designation Function Conductor coloring of connecting cable 1 M23 RC18 With shield spring 18 19 15 12 11 9 5 4 3 2 1 17 16 14 13 6 10 8 7 1 UCM Operating voltage of guard locking solenoid 24 V DC VT 2 IA Enable input for channel A RD 3 IB Enable input for channel B GY 4 OA Safe...

Страница 25: ... BU 7 RST Reset input GY PK 8 OUT D Door monitoring output GN WH 9 n c YE WH 10 OUT Monitoring output GY WH 11 n c BK 12 FE Function earth This connection must be connected to 0 V GN YE 13 J Version with teach in input To teach in a new actuator connect to 24 V DC leave open in normal operation 2 PK Y Version with feedback loop If the feedback loop is not used connect to 24 V DC Version without fe...

Страница 26: ... Pin Function X2 1 UB X2 2 OA X2 3 0 V UB X2 4 OB X2 5 RST Pin Function X3 1 UB X3 2 IA X3 3 0 V UB X3 4 IB X3 5 RST 12 12 097627 45 15 1 4 8 5 6 3 1 2 7 35 1 20 5 1 2 4 5 3 3 4 2 1 5 M x1 Ø 14 6 M x1 Y distributor 097627 Socket Connector assignment for safety switch CET AR plug X1 8 pin plug and Y distributor 8 pin socket Pin Function X1 1 IB X1 2 UB X1 3 OA X1 4 OB X1 5 OUT DIA X1 6 IA X1 7 0 V ...

Страница 27: ...at least 3 s WARNING In the event of a fault loss of the safety function due to incorrect connection Ì To ensure safety both safety outputs OA and OB must always be evaluated Important Ì The example shows only an excerpt that is relevant for connection of the CET system The exam ple illustrated here does not show complete system planning The user is responsible for safe inte gration into the overa...

Страница 28: ...DC 0 V 24V DC 0 V CET Figure 4 Wiring diagram A CET 1 2 AR with plug connectors 2 x M12 Single channel control of the guard locking solenoid 0 V Monitoring Output Safety Inputs Read Head Actuator GN RD Safety Outputs 4 8 F DI Digital Output PWR Supply of the control 4F DO LED1 X2 2 LED2 X2 3 B1 UB X1 2 UCM X2 4 X2 1 0V UCM RST X1 8 X1 7 0V UB J X2 5 X1 5 OUT X1 3 OA X1 4 OB IA X1 6 IB X1 1 X1 DI4 ...

Страница 29: ...V DC 0 V 24V DC 0 V CET Figure 6 Wiring diagram B CET 3 4 AR with plug connectors 2 x M12 Single channel control of the guard locking solenoid 4 8 F DI Digital Output PWR Supply of the control 4F DO 0 V Door Monitoring Safety Inputs Read Head Actuator RD Monitoring Output Safety Outputs X1 DI4 DI0 DO DC24V M X1 DO P DO M 1 2 F1 1 2 F2 IA X1 6 IB X1 1 LED1 X2 3 B1 UB X1 2 UCM X2 4 X2 1 0V UCM RST X...

Страница 30: ...g diagram C CET 3 4 AR with plug connectors 2 x M12 an additional monitoring output OUT Single channel control of the guard locking solenoid 4 8 F DI Digital Output PWR Supply of the control 4F DO 0 V Monitoring Output Safety Inputs Read Head Actuator Door Monitoring Safety Outputs X1 DI4 DI0 DO DC24V M X1 DO P DO M 1 2 F1 1 2 F2 B1 UB X1 2 UCM X2 4 X2 1 0V UCM RST X1 8 X1 7 0V UB X1 5 OUT X1 3 OA...

Страница 31: ...2 24V DC 0 V 24V DC 0 V CET Figure 10 Wiring diagram D CET 1 2 AR with plug connector M23 Single channel control of the guard locking solenoid 4 8 F DI Digital Output PWR Supply of the control 4F DO 0 V GN RD Monitoring Output Safety Inputs Read Head Actuator Safety Outputs X1 DI4 DI0 DO DC24V M X1 DO P DO M 1 2 F1 1 2 F2 LED1 15 LED2 16 B1 UB 6 UCM 1 18 0V UCM RST 7 J 13 19 0V UB 10 OUT 4 OA 5 OB...

Страница 32: ...g diagram E CET 3 4 AR with plug connector M23 versions with and without teach in input Single channel control of the guard locking solenoid 4 8 F DI Digital Output PWR Supply of the control 4F DO 0 V GN RD Monitoring Output Safety Inputs Read Head Actuator Door monitoring Safety Outputs Monitoring Outputs X1 DI4 DI0 DO DC24V M X1 DO P DO M 1 2 F1 1 2 F2 LED1 15 LED2 16 B1 UB 6 UCM 1 18 0V UCM RST...

Страница 33: ...onnector M23 RC18 has similar behavior but is realized using additional terminals in a control cabinet The switches in the version with plug connectors 2 x M12 are connected one after the other with the aid of pre assembled connection cables and Y distributors If a guard is opened or if a fault occurs on one of the switches the system shuts down the machine A higher level control system cannot how...

Страница 34: ...or Safe Evaluation Y distributor Y distributor Terminating plug Terminating plug 2 UB 8 RST 6 IA 1 IB X2 3 LED1 X2 4 UCM X2 5 J 7 0V 5 OUT 3 OA 4 OB X2 1 0V UCM 2 UB 8 RST 6 IA 1 IB 7 0V 5 OUT 3 OA 4 OB 2 UB 8 RST 6 IA 1 IB 7 0V 5 OUT 3 OA 4 OB S10 13 14 12 11 14 S11 24V 0V CET CES CES 1 3 5 2 4 1 6 2 7 8 5 3 4 5 2 4 1 3 RST 0V IA OUT OB OA UB IB UB OA 0V OB RST UB IA 0V IB RST 2 4 1 UB IA IB Figu...

Страница 35: ... tolerates shut off pulses up to 5 ms CET 3 4 AR from version V1 7 0 The device tolerates switch on and shut off pulses up to 5 ms Ì Always connect inputs IA and IB directly to a power supply unit or to outputs OA and OB of another EUCHNER AR device series connection Pulsed signals must not be present at inputs IA and IB Ì The safety outputs OA and OB can be connected to the safe inputs of a contr...

Страница 36: ...tput Y distributor Y distributor Y distributor Terminating plug ET200 4 8 F DI 4 F DO X1 X1 Digital Output PWR Supply of the control DI4 DI0 DO M DO P DO 2 DC24V 3 M 2 UB 8 RST 6 IA 1 IB X2 3 LED1 X2 4 UCM X2 5 J 7 0V 5 OUT 3 OA 4 OB X2 1 0V UCM 2 UB 8 RST 6 IA 1 IB 7 0V 5 OUT 3 OA 4 OB 2 UB 8 RST 6 IA 1 IB 7 0V 5 OUT 3 OA 4 OB 24V 0V CES CET CES Figure 15 Connection example for mixed series conne...

Страница 37: ...commend performing the teach in operation separately for each device prior to series connection Important Ì The teach in operation may be performed only if the device functions flawlessly The red DIA LED must not be illuminated Ì The safety switch disables the code of the preceding device if teach in is carried out for a new actuator Teach in is not possible again immediately for this device if a ...

Страница 38: ...TATE LED flashes quickly approx 10 Hz A self test is performed during this time approx 10 s After this the green STATE 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 min If the red DIA LED is illuminated there is a fault Teach in is not possible The green STATE LED indicates the error code For diagnosti...

Страница 39: ... a de energized state On certain systems it is nevertheless necessary to perform this work and subsequent teach in during ongoing operation The RST input must be connected as shown in Figure 14 on page 34 to permit this Proceed as follows 1 Open the guard on which the switch or actuator is to be replaced 2 Mount the new switch or actuator and prepare it for the teach in operation see chapter 11 2 ...

Страница 40: ...t After installation and any fault the safety function must be fully checked Proceed as follows 1 Switch on operating voltage The machine must not start automatically The safety switch carries out a self test The green STATE LED flashes for 10 s at 10 Hz The green STATE LED then flashes at regular intervals 2 Close all guards In case of guard locking by solenoid force activate guard locking The ma...

Страница 41: ...tion only unicode For autom teach in Actuator removed from the actuating range prior to the end of the teach in operation For teach in input Actuator removed from the actuating range prior to the end of the teach in operation Disabled actuator within the actuating range Most recently taught in actuator within the actuating range No actuator detected after 3 min X off off off 2 x Input fault e g mi...

Страница 42: ...l short circuit current 100 A Resilience to vibration Acc to EN 60947 5 2 EMC protection requirements Acc to EN IEC 60947 5 3 Ready delay 10 s Risk time for single device 400 ms Runtime extension per device 5 ms Turn on time 400 ms Discrepancy time 10 ms Test pulse duration 1 ms Safety outputs OA OB Semiconductor outputs p switching short circuit proof Output voltage UOA UOB 1 V DC HIGH UOA UOB UB...

Страница 43: ...ted at the latest after the risk time If several devices are operated in a series connection the risk time of the overall device chain will increase with each device added Use the following calculation formula tr tr e n x tl tr Total risk time tr e Risk time of single device see chapter 13 Technical data on page 42 tl Runtime extension per device see chapter 13 Technical data on page 42 n Number o...

Страница 44: ...R CRA CET AR CDA 20 11 3 SW 19 L 7 8 26 5 10 5 4 15 M12 41 15 X1 X2 Plunger Auxiliary release LED 2 LED 1 6 5 For M6 screw DIN 1207 ISO 4762 Basic position for escape release Release by pressing With escape release STATE DIA With angle connectors Cable outlet left Cable outlet right L 75 or 115 mm depending on version The escape release can be extended using the corresponding accessories Version w...

Страница 45: ... AR EN Version with plug connector M23 RC18 42 30 24 M23x1 21 5 Dimensions with plug connector M23 62 52 26 Cable outlet left Cable outlet right Versions with manual release options L 19 or 71 mm depending on version With auxiliary key release 16 7 5 8 20 30 35 5 Ø With emergency release 25 30 4 L With wire front release 30 5 83 ...

Страница 46: ...mbient temperature 20 55 C Degree of protection IP67 transponder protection Mechanical life 1 x 106 operating cycles Locking force max 6 500 N Installation orientation Active face opposite switch head Power supply Inductive via switch 13 3 1 Dimension drawing for actuator CET A BWK 50X 34 8 22 5 15 16 38 5 6 2 34 45 8 15 16 5 6 2 15 71 15 Hub Stroke Active face NOTICE Ì Four safety screws M5 x16 a...

Страница 47: ...dered from EUCHNER may be replaced Regular inspection of the following is necessary to ensure trouble free long term operation Ì Check the switching function see chapter 11 3 Functional check on page 40 Ì Check all additional functions e g escape release lockout bar etc Ì Check the secure mounting of the devices and the connections Ì Check for soiling No servicing is required Repairs to the device...

Страница 48: ...Operating Instructions Transponder Coded Safety Switch CET AR 48 Translation of the original operating instructions 2110788 13 03 20 17 Declaration of conformity ...

Страница 49: ...49 2110788 13 03 20 Translation of the original operating instructions Operating Instructions Transponder Coded Safety Switch CET AR EN ...

Страница 50: ...Operating Instructions Transponder Coded Safety Switch CET AR 50 Translation of the original operating instructions 2110788 13 03 20 ...

Страница 51: ...51 2110788 13 03 20 Translation of the original operating instructions Operating Instructions Transponder Coded Safety Switch CET AR EN ...

Страница 52: ...ting Instructions Transponder Coded Safety Switch CET AR Translation of the original operating instructions Copyright EUCHNER GmbH Co KG 03 2020 Subject to technical modifications no responsibility is accept ed for the accuracy of this information Third party trademark information SIMATIC ET200pro and ET200S are trademarks of SIEMENS AG ...

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