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Mounting and

Operating Instructions

EB 8365 EN

Edition October 2013

Type 4746

Electric or Pneumatic Limit Switch

Содержание 4746

Страница 1: ...Mounting and Operating Instructions EB 8365 EN Edition October 2013 Type 4746 Electric or Pneumatic Limit Switch...

Страница 2: ...ng for handling SAMSON devices For the safe and proper use of these instructions read them carefully and keep them for later reference If you have any questions about these instructions contact SAMSON...

Страница 3: ...approvals 12 3 Attachment to the valve 14 3 1 Attachment to valve with cast yoke 14 3 2 Attachment to valve with rod type yoke 14 3 3 Attachment to Type 3591 Valve 16 3 4 Attachment to positioner 18...

Страница 4: ......

Страница 5: ...device are to be operated only by personnel who has undergone special training or instructions or who is authorized to work on explosion pro tected devices in hazardous areas Refer to section 6 Any h...

Страница 6: ...rs must be integrated into the output cir cuit The switching function and switching point are continuously adjustable using the adjust ment screw 3 1 2 1 2 Type 4746 x3 Electric Limit Switch In this v...

Страница 7: ...limit switch Pneumatic limit switch with switching function 1 Lever for valve travel 1 1 Pin 2 Shaft 3 Switch case 3 1 Adjustment screw 4 1 Metal tag 4 2 Cam disk 5 Proximity switch 6 Switch lever 6 1...

Страница 8: ...0 SAIA electric microswitch XGK 3 3 2 0 2 1 0 SAIA electric microswitch XGK3 81 3 2 1 2 1 0 Pneumatic microswitch 0 4 4 0 2 0 Proximity switch SB3 5 E2 0 2 8 1 2 1 0 Switching elements With one switch...

Страница 9: ...and lever for positioner attachment 4 Contacts SJ3 5 N 0 SJ3 5 SN 1 SAIA electric microswitch XGK 3 2 Pneumatic microswitch with ISO 228 1 G 1 8 connecting thread 3 Pneumatic microswitch with 1 8 27 N...

Страница 10: ...pply to silver and gold plated contacts Switching element Electric limit switch changeover SPDT single pole double throw type Permissible load AC voltage 220 V 6 9 A DC voltage 220 V 0 25 A 20 V 6 9 A...

Страница 11: ...006 with SJ3 5 N proximity switch Type 4746 1 with type of protection Ex ia ATEX Maximum values for connection to certified intrinsically safe circuits Limit Switch Type 4746 12 Type 4746 13 Limit con...

Страница 12: ...e 3351 Valve see section 3 2 Nominal size DN 15 to 50 DN 65 to 100 Mounting kit order no 1400 6585 1400 6586 Accessories for attachment to Type 3591 Valve with lever II see section 3 3 Mounting kit or...

Страница 13: ...0228 Class I Zone 0 AEx ia IIC Class I II III Div 1 Groups A B C D E F G Class I Div 2 Groups A B C D Class II Div 2 Groups F G Class III Date 2005 02 28 4746 8 Number RU C DE 08 00744 2Ex nA IIC T6 T...

Страница 14: ...ounting screw 12 washer 13 and O ring 14 Make sure that the pin 11 is inserted through the wire strap 1 3 of the lever 1 3 2 Attachment to valve with rod type yoke 1 Attach the plate 10 to the valve s...

Страница 15: ...1 1 3 11 11 1 10 10 1 14 Attachment to valve with cast yoke NAMUR rib Attachment to valve with rod type yoke 1 Lever 1 1 Clamping plate 1 2 Screw 1 3 Wire strap 2 Shaft 10 Plate 10 1 Screws 11 Pin 11...

Страница 16: ...the nut and bolt 12 6 Insert the pin 13 into the oblong hole of the follower clamp 11 Make sure that the pin is inserted through the wire strap of the follower clamp 7 Thread the nut 14 onto the pin...

Страница 17: ...p 2 Nut 3 Clamp 4 Bar 5 Screws 6 Limit switch 7 Thread 8 Anti rotation fixture 9 Mounting bracket 10 Screws 11 Follower clamp 12 Nut and bolt 13 Pin 14 Nut 15 Lever II 16 Clamp for lever 17 Nut 18 Lev...

Страница 18: ...sure that the short lever 1 slides over the pin 16 of the positioner 4 Replace the vent plug 17 in the posi tioner housing with the screw plug in cluded in the accessories order no 1400 6710 In excha...

Страница 19: ...specified in the EC type examination certificates ap ply when interconnecting intrinsically safe electrical equipment Ui and U0 Ii and I0 Pi and P0 Ci and C0 as well as Li and L0 Note on the selection...

Страница 20: ...hile energized only during installa tion maintenance or repair Equipment connected to energy lim ited circuits with type of protection Ex nL energy limited equipment ac cording to EN 60079 15 2003 may...

Страница 21: ...k plastic Order no 8808 0178 Blue plastic Order no 8808 0179 4 1 1 Switching amplifier for Type 4746 x2 For operation of the inductive limit switches switching amplifiers in accordance with EN 60947 5...

Страница 22: ...and assigned to the correspond ing switching elements 3 1 4 1 4 2 42 52 42 52 41 51 43 53 41 51 43 53 A A 3 1 Adjustment screw 4 1 Metal tag 4 2 Cam disk Type 4746 x2 Inductive Limit Switch Type 4746...

Страница 23: ...travel position e g final position Turn the adjustment screw 3 1 to slowly move the metal tag 4 1 towards the contact until the switching point is reached Turn the adjustment screw in the opposite di...

Страница 24: ...explosion protected components on ly by original routine tested components provided by the manufacturer Devices that have already been used outside hazardous areas and are intended for future use insi...

Страница 25: ...x2 and Type 4746 x3 Air connection for separate air supply tapped hole G 1 8 Intermediate piece for attachment to positioner M8 fastening screw M8 fastening screw Output Supply air Pneumatic connectio...

Страница 26: ...EN Certificates 9 Certificates Note The type designations of the Types 4746 2 and 4746 3 Limit Switches have been changed The certificates of conformity remain valid See the following confirmation fo...

Страница 27: ...EB 8365 EN 27...

Страница 28: ...28 EB 8365 EN...

Страница 29: ...EB 8365 EN 29...

Страница 30: ...30 EB 8365 EN...

Страница 31: ...EB 8365 EN 31...

Страница 32: ...32 EB 8365 EN...

Страница 33: ...EB 8365 EN 33...

Страница 34: ...is shown in the table below Temperature class Permissible ambient temperature range Maximum short circuit current T6 T5 T4 45 C 45 C 45 C 60 C 45 C 75 C 52mA T6 T5 T4 45 C 60 C 45 C 80 C 45 C 80 C 25m...

Страница 35: ...accordance with the National Electrical Code ANSI NFPA 70 Installation drawing Control Relay Hab cEx de with Model SJ b N Proximity Sensors Control Relay Terminal No Groups L mH C F V0C V ISC mA 1 3...

Страница 36: ...36 EB 8365 EN...

Страница 37: ...EB 8365 EN 37...

Страница 38: ...38 EB 8365 EN...

Страница 39: ...EB 8365 EN 39...

Страница 40: ...SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samson de www samson de EB 8365 EN 2017 09 27 English...

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