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EN

Operating Instructions

Transponder-Coded Safety Switch With Guard Locking

CET.-AS-… (Unicode/Multicode)

Summary of Contents for 111214

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

Page 2: ...ry release 11 7 1 2 Actuating auxiliary key release 11 7 2 Emergency release can be retrofitted 12 7 2 1 Actuating emergency release 12 7 3 Escape release optional 12 7 3 1 Actuating escape release 12 7 4 Wire front release optional 13 7 4 1 Laying wire front release 13 7 5 Lockout bar optional 14 7 5 1 Using the lockout bar 14 8 Changing the approach direction 15 9 Mounting 16 10 Electrical conne...

Page 3: ...nal check 22 11 3 1 Mechanical function test 22 11 3 2 Electrical function test 22 12 System status table 23 13 Technical data 24 13 1 Technical data for safety switch CET AS 24 13 1 1 Typical system times 25 13 2 Dimension drawing for safety switch CET AS 25 13 3 Technical data for actuator CET A B 27 13 3 1 Dimension drawing for actuator CET A BWK 50X 27 14 Ordering information and accessories 2...

Page 4: ... This section is applicable only if the memory card is used DANGER WARNING CAUTION Safety precautions Danger of death or severe injuries Warning about possible injuries Caution Device damage possible NOTICE Important Important information Tip Useful information 1 4 Supplementary documents The overall documentation for this device consists of the following documents Document title document number C...

Page 5: ...te start com mand must be issued For exceptions refer to EN ISO 12100 or relevant C standards Devices from this series are also suitable for process protection Before the device is used a risk assessment must be performed on the machine e g in accordance with the following standards Ì Ì EN ISO 13849 1 Ì Ì EN ISO 12100 Ì Ì IEC 62061 Correct use includes observing the relevant requirements for insta...

Page 6: ...ed in the switch head failsafe locking mechanism Ì Ì Safety characteristics category Performance Level PFHd see chapter 13 Technical data on page 24 Activation of guard locking If the device is used as guard locking for personnel protection control of guard locking must be regarded as a safety function Guard locking is controlled on the output side via ASi bit D0 from the control system The auxili...

Page 7: ...lar to the measures for reducing the possibility of bypass ing according to EN ISO 14119 2013 section 7 Ì Ì The switching operation must be triggered only by actuators designated for this purpose Ì Ì Prevent bypassing by means of replacement actuators only for multicode evaluation For this purpose restrict access to actuators and to keys for releases for example Ì Ì Mounting electrical connection ...

Page 8: ...cked whether the actuator is of a type that can be detected by the system multicode detection There is no exact comparison of the actuator code with the taught in code in the safety switch unique code detection The system pos sesses a low coding level When the guard is closed the actuator is moved towards the safety switch When the switch on distance is reached power is supplied to the actuator by...

Page 9: ...tuator If the solenoid is controlled via the ASi bus and auxiliary power is applied to the solenoid the guard locking pin is retracted and the actuator is released The guard can be opened 6 2 Guard locking on version CET4 AS 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 assessme...

Page 10: ... of the invalid state Guard open 00 00 Red Address 0 or communication disrupted Gray Dual channel independent Guard closed and locked Code sequence Green Guard closed and not locked Half se quence 00 Red Invalid state guard open guard locking active 00 Half se quence Red Guard open 00 00 Red Address 0 or communication disrupted Gray Dual channel dependent Synchronization time infinite Guard closed...

Page 11: ...te normally again 7 1 1 Actuating auxiliary release 1 Unscrew locking screw 2 Using a screwdriver turn the auxiliary release to in the direction of the arrow Guard locking is released Important Ì Ì The actuator must not be under tensile stress during manual release Ì Ì After use reset the auxiliary release and screw in and seal the locking screw e g with sealing lacquer Ì Ì The auxiliary key relea...

Page 12: ...release Ì Ì Turn emergency release clockwise until it clicks into place Guard locking is released To reset press the snap in bolt inward using a small screwdriver or similar tool and turn the emergency release back The zero sequence is sent via the ASi bus when the emergency release is actuated Open the guard and close it again after resetting the emergency release The device will then operate nor...

Page 13: ...ce zero sequence does not match the guard locking control signal The emergency release specifications in chapter 7 2 on Page 12 apply irrespective of this information Important Ì Ì The wire front release meets the requirements of Category B accord ing to EN ISO 13849 1 2008 Ì Ì The correct function depends on the laying of the pull wire and on the attachment of the pull handle and this is the resp...

Page 14: ...s shackle diameter between 5 and 9 mm 7 5 1 Using the lockout bar Important Ì Ì Deactivate guard locking and open the guard before using the lockout bar Ì Ì The lockout bar can be moved to locked position only when the guard is open Before entering the danger area 1 Open the guard 2 Press button move lockout bar to locked position Figures A and B and secure with lock Figure C Guard locking cannot ...

Page 15: ...uctions Operating Instructions Transponder Coded Safety Switch CET AS EN 8 Changing the approach direction 1 Remove the screws from the safety switch 2 Set the required direction 3 Tighten the screws with a torque of 1 5 Nm Figure 1 Changing the approach direction ...

Page 16: ...equipment and malfunctions as a result of incorrect installation Ì Ì Safety switches and actuators must not be used as an end stop Ì Ì Observe EN ISO 14119 2013 sections 5 2 and 5 3 for information about mounting the safety switch and the actuator Ì 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 installe...

Page 17: ...fety switch must be fitted so that Ì Ì the active faces of the actuator and the safety switch are parallel with each other Ì Ì the actuator is fully inserted into the switch recess when the guard is closed Ì Ì no dirt can accumulate in the recess Tip EUCHNER offers special cover plates to improve protection against tampering These accessories can be found at www euchner com 90 ...

Page 18: ... been tested as per the requirements of UL508 and CSA C22 2 no 14 protection against electric shock and fire 10 2 Setting the AS Interface address The address can be set prior to or after mounting The AS Interface address of the safety switch is set using an AS Interface programming device Addresses 1 to 31 are valid The unit is programmed by connecting the programming device to the M12 plug conne...

Page 19: ...face address set as follows for example Ì Ì Dual channel independent Ì Ì With or without start up test Important Failure of a signal or function is not detected in this operating mode The guard does not have to be opened in this operating mode Safety is provided again when the guard locking is closed 10 4 AS Interface status messages A dual LED red green displays the colors red green and yellow Th...

Page 20: ...ation of the original operating instructions 2113689 04 07 19 10 6 Connection of guard locking control 10 6 1 Guard locking control via ASi bit D0 Auxiliary voltage 24 V DC ASi bit D0 Auxiliary voltage 0 V DC Figure 4 Connection example guard locking control via ASi bit D0 ...

Page 21: ...ely after switching on Important Ì Ì The teach in operation may be performed only if the device does not have any internal errors Ì Ì Devices in the condition as supplied remain in teach in standby state until you have successfully taught in the first actuator Once taught in switches remain in the teach in standby state for approx 3 min after each switch on Ì Ì The safety switch disables the code ...

Page 22: ...are no persons in the danger zone Ì Ì Observe the valid accident prevention regulations 11 3 1 Mechanical function test The actuator must slide easily into the recess on the actuating head Close the guard several times to check the function For devices with mechanical release emergency release or escape release the correct function of the release must be checked as well 11 3 2 Electrical function ...

Page 23: ...x Fault in the teach in operation e g actuator removed from the operating distance prior to the end of the teach in operation or disabled actua tor in the operating distance X 5 x Internal fault e g component faulty data error X X X Internal error Key to symbols LED not illuminated LED illuminated 10 Hz 8 s LED flashes for 8 seconds at 10 Hz 3 x LED flashes three times X Any state After the cause ...

Page 24: ...grees of freedom actuator in recess X Y Z X and Y 5 Z 4 mm Connection depending on version Plug connector M12 4 pin Resilience to vibration Acc to EN 60947 5 2 EMC protection requirements Acc to EN IEC 60947 5 3 Ready delay 1 s Risk time 400 ms Switch on time 500 ms Solenoid Auxiliary voltage 24 10 15 PELV V DC Current consumption with auxiliary voltage 400 mA Duty cycle 100 AS Interface data EA c...

Page 25: ...ety outputs switch on Risk time according to EN 60947 5 3 If an actuator moves outside the operating distance the safety outputs OA and OB are deactivated at the latest after the risk time 13 2 Dimension drawing for safety switch CET AS 42 67 2 30 16 130 167 28 25 25 11 5 34 15 74 5 4 mm 15 43 6 52 91 2 CET AR CRA CET AR CDA 20 11 3 SW 19 75 7 15 41 15 M12 21 7 22 Plunger Auxiliary release LED 2 O...

Page 26: ...oded Safety Switch CET AS 26 Translation of the original operating instructions 2113689 04 07 19 With auxiliary key release 16 7 5 8 20 30 35 5 Ø With emergency release 25 30 4 71 With wire front release With lockout bar 140 42 85 30 5 83 ...

Page 27: ...steel Stroke max 15 mm Weight 0 25 kg Ambient temperature 20 55 C Degree of protection acc to EN IEC 60529 IP67 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 5 34 15 16 5 38 8 5 22 34 15 16 5 71 45 15 6 5 8 6 5 15 Active face Tip Safet...

Page 28: ...rom EUCHNER may be replaced Regular inspection of the following is necessary to ensure trouble free long term operation Ì Ì Check the switching function see chapter 11 3 Functional check on page 22 Ì Ì Check all additional functions e g escape release lockout bar etc Ì Ì Check the secure mounting of the devices and the connections Ì Ì Check for soiling No servicing is required Repairs to the devic...

Page 29: ...29 2113689 04 07 19 Translation of the original operating instructions Operating Instructions Transponder Coded Safety Switch CET AS EN 17 Declaration of conformity ...

Page 30: ...Operating Instructions Transponder Coded Safety Switch CET AS 30 Translation of the original operating instructions 2113689 04 07 19 ...

Page 31: ...31 2113689 04 07 19 Translation of the original operating instructions Operating Instructions Transponder Coded Safety Switch CET AS EN ...

Page 32: ...chner com Edition 2113689 04 07 19 Title Operating Instructions Transponder Coded Safety Switch CET AS Translation of the original operating instructions Copyright EUCHNER GmbH Co KG 07 2019 Subject to technical modifications no responsibility is accept ed for the accuracy of this information ...

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