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ABB AB / Jokab Safety

Varlabergsvägen 11, SE-434 39 Kungsbacka, Sweden

www.abb.com/jokabsafety

Original instructions

MKey8-series

Safety Interlock Switch with Guard Locking

Содержание MKey8M

Страница 1: ...ABB AB Jokab Safety Varlabergsvägen 11 SE 434 39 Kungsbacka Sweden www abb com jokabsafety Original instructions MKey8 series Safety Interlock Switch with Guard Locking ...

Страница 2: ...SAFETY will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product machine system or other application or use The following are some examples of applications for which particular attent...

Страница 3: ... 5 General description 5 Safety regulations 5 Function description 6 Variants 8 3 Connections 10 4 Installation and maintenance 11 Installation 11 Maintenance 12 Minimum safety distance 13 5 Application example 14 6 Model overview 15 Accessories 15 Safe lock 15 Dimensions 16 Actuators 17 Dimensions 17 7 Technical data 18 8 EC Declaration of conformity 20 ...

Страница 4: ...on personnel Prerequisites It is assumed that the reader of this document has knowledge of the following Basic knowledge of ABB Jokab Safety products Knowledge of safety devices and safety locks Knowledge of machine safety Special notes Pay attention to the following special notes in the document Warning Danger of severe personal injury An instruction or procedure which if not carried out correctl...

Страница 5: ...chinery that requires a long braking operation prevention of unauthorised access to a particular area Safety regulations Warning Carefully read through this entire manual before using the device The devices shall be installed by a trained electrician following the Safety regulations standards and the Machine directive Failure to comply with instructions operation that is not in accordance with the...

Страница 6: ...ocked position directly when the door is closed and the actuator key is pushed into the switch The actuator key can only be released and the gate opened by supplying operating voltage to the solenoid A1 A2 MKey8M is an electro magnetic lock version the locking mechanism is only in the locked position when the solenoid A1 A2 is supplied with operating voltage Release of the actuator key is only pos...

Страница 7: ...n positions The leading edges of the actuator key are reinforced and bevelled in order to guide it properly into the hole The MKey8 series have been developed with a high holding force of 2000N MKey8 has several types of actuators as options A standard actuator key is always delivered with interlock switches Note Top or side manual release points not on MKey8M ...

Страница 8: ... stainless steel housing and spring lock The switch has a contact block configuration of 2NC 2NC with positive force disconnection contacts One pair closes when the actuator key is pushed into the head 2NC The other pair closes when the locking mechanism is in the locked position 2NC There are two NO auxiliary circuits 1NO circuit for indication of guard open and on another 1 NO circuit for indica...

Страница 9: ...cked position 2NC There are two NO auxiliary circuits 1NO circuit that indicates guard open and 1NO circuit that indicates lock status The MKey8ER has a manual release button at the rear of the housing This can be used where the risk assessment for the application permits a non latching manual escape of the switch lock in case of emergency The switch must be mounted so that the release button is r...

Страница 10: ...ey8Z MKey8ER MKey8M LED1 status of solenoid LED2 status of lock Terminals 33 34 are selectable to be used either as power feed to LED2 or as a voltage free auxiliary circuit to indicate lock status Actuator insertion Mkey8M Contacts at withdrawal of actuator MKey8 MKey8Z MKey8ER Contacts at withdrawal of actuator NB Measurements in mm Guard open Solenoid de energised guard open ...

Страница 11: ... prevent damage to the front of the switch Set the actuator gap to 3 mm when the guard is closed and against the stop See illustration Use alignment guides to ensure that the actuator enters the switch without interfering with the sides of the aperture Ensure access to at least one of the manual release points Always fit the aperture plug to the unused entry aperture to prevent debris entering the...

Страница 12: ...reseller Do not try to repair the product yourself since it may accidentally cause permanent damage to the product impairing the safety of the device which in turn could lead to serious injury to personnel Caution ABB Jokab Safety will not accept responsibility for failure of the switch functions if the installation and maintenance requirements shown in this sheet are not implemented These require...

Страница 13: ...ody The minimum safety distance is calculated according to the formula S K x T C Where S minimum safety distance mm K approach speed of a human body 1600 mm s T the total time from opening of the guard until the hazardous machine movement has stopped i e including control system reaction times and other delays s C a safety distance taken from Table 4 or Table 5 of EN ISO 13857 2008 if it is possib...

Страница 14: ...2TLC172245M0201 rev B 14 www abb com jokabsafety 2013 04 22 5 Application example Application example Door Interlock with guard locking Dual Channel non monitored ...

Страница 15: ...lock M20 230VAC Stainless steel Standard Key Accessories Type Article number Description Gland 2TLA050040R0002 Stainless steel cable gland M20 x 1 5 Tina 2A 2TLA020054R0100 Adaptation unit for dynamic circuit with M20 fitting Tina 2B 2TLA020054R1100 Adaptation unit for dynamic circuit internal assembly Tina 3A 2TLA020054R0200 Adaptation unit for dynamic circuit with M20 fitting and M12 connector R...

Страница 16: ...2TLC172245M0201 rev B 16 www abb com jokabsafety 2013 04 22 Dimensions MKey8 MKey8M MKey8Z NB All measurements in millimetres MKey8ER ...

Страница 17: ... keys are in stainless steel Type Article number Description 1 2TLA050040R0202 Standard key 2 2TLA050040R0220 Flat key 3 2TLA050040R0203 Flexible key with metal housing 4 2TLA050040R0204 Flexible key with stainless steel housing Dimensions NB All measurements in millimetres ...

Страница 18: ...able with LED2 230VAC DC 500mA max Not on MKey8M Auxiliary Contact 43 44 230VAC DC 500mA max MKey8M 24V 200mA max General Travel for positive opening 10 mm Actuation Frequency 2 cycle sec Actuator entry minimum radius 175 mm Standard Key 100 mm Flexible Key Protection class MKey8 MKey8M MKey8ER IP67 MKey8Z IP67 IP69K Ambient temperature MKey8 MKey8ER MKey8Z 25 80 C MKey8M 25 40 C Size See drawing ...

Страница 19: ...at 100 mA load 356 years 8 cycles per hour 24 hours per day 365 days per year 35 years Certifications TÜV cULus Information with regard to UL 508 Use 12AWG copper conductors only Electrical Rating A300 48W5 Type 1 Enclosure Max Switching Current Volt Amp 120V 6A 720VA break PF 0 38 240V 3A 720VA break PF 0 38 NB A single MKey8 can achieve performance level PL c according to EN ISO 13849 if used co...

Страница 20: ...2TLC172245M0201 rev B 20 www abb com jokabsafety 2013 04 22 8 EC Declaration of conformity ABB AB JOKAB SAFETY Varlabergsvägen 11 SE 434 39 Kungsbacka Sweden www abb com jokabsafety ...

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