Samson 3776 Mounting And Operating Instructions
  1. Manuals
  2. Brands
  3. Samson Manuals
  4. Switch
  5. 3776
  6. Mounting and operating instructions
Samson 3776 Mounting And Operating Instructions

Samson 3776 Mounting And Operating Instructions

Limit switch
Hide thumbs
Table of Contents

Advertisement

Quick Links

EB 8368 EN
Translation of original instructions
Type 3776 Limit Switch
Edition August 2018

Advertisement

Table of Contents
loading

Related Manuals for Samson 3776

Summary of Contents for Samson 3776

  • Page 1 EB 8368 EN Translation of original instructions Type 3776 Limit Switch Edition August 2018...
  • Page 2 Î For the safe and proper use of these instructions, read them carefully and keep them for later reference. Î If you have any questions about these instructions, contact SAMSON‘s After-sales Service Department (aftersalesservice@samson.de). The mounting and operating instructions for the devices are included in the scope of delivery.

  • Page 3: Table Of Contents

    Mounting on SAMSON Type 3277-5 Linear Actuators (external signal pressure routing) .......................15 Mounting on SAMSON Type 3277-5 Linear Actuators (internal signal pressure routing) .......................18 Mounting on SAMSON Type 324X Valve with rib according to IEC 60534-6-1 21 Pneumatic connection ..................24 Pilot supply ....................24 Filter elements for the pilot supply ..............25 Exhaust air filter and degree of protection ............26...

  • Page 4: General Information

    Accord- specified on the nameplate. ing to these mounting and operating instruc- tions, trained personnel is referred to as indi- 3776-XXXXXXXXXXXXXX viduals who are able to judge the work they Model number Device index are assigned to and recognize possible dan-...

  • Page 5: Installation

    When mounted onto SAMSON Type 3277 mounted. Linear Actuators, any mounting position may be used. Note Devices with index 1 or lower have a black enclosure cover with polyamide window.

  • Page 6: Mounting On Samson Type 3278 Rotary Actuators

    (delivered state). four hexagon screws (6) further. − Devices with Type 3776-XXXXXX10 or 8. Fasten the enclosure using two hexagon -XXXXXX12 3/2-way Booster Valve socket screws (1), two spring washers (2) and two washers (3).
  • Page 7 O-ring 7.5x1.5 Flange plate M5x12 hexagon screw EN 24017 Follower clamp Plate M4x10 hexagon socket screw ISO 4762 Indicator cap 1, 2, 3 Retaining ring (only with mounting kit 1400-7217) ¼” blanking plug Fig. 1: Mounting on SAMSON Type 3278 Rotary Actuators EB 8368 EN...

  • Page 8: Attachment To Rotary Actuators According To Vdi/Vde 3845, Fixing Level 1

    (delivered state). 8. Fasten the enclosure cover on the device. − Devices with Type 3776-XXXXXX10 or -XXXXXX12 3/2-way Booster Valve Implement the exhaust air feedback from the rotary actuator as follows: Î...
  • Page 9 General information Bottom view of the device M5x9 threaded pin ISO 4029 Connection block/ Booster valve Limit switch booster valve Type 3776-XXXXXX10/-XXXXXX12 Mounting kit for rotary actuators (fixing level 1) · Order number 1400-7043 1400-7186 1400-7212 1400-7210 Size 1 Size 2 Size 3...

  • Page 10: Attachment To Rotary Actuators According To Vdi/Vde 3845, Fixing Level 2

    (delivered state). tary actuator by tightening the four hexa- gon screws further. − Devices with Type 3776-XXXXXX10 or -XXXXXX12 3/2-way Booster Valve 8. Fasten the enclosure using two hexagon socket screws (1), two spring washers (2) Implement the exhaust air feedback from and two washers (3).
  • Page 11 Bottom view of the device M5x9 threaded pin ISO 4029 Connection block/ Booster valve Limit switch booster valve Type 3776-XXXXXX10/-XXXXXX12 Mounting kit for rotary actuators (fixing level 2) · Order no.: 1400-7041 Quantity Description M6x12 hexagon socket 1, 2, 3 screw ISO 4762 Spring washer B6 Washer ISO 7089, 6-6...

  • Page 12: Mounting On Samson Type 3277 Linear Actuators

    General information 2.4 Mounting on SAMSON − Devices with Type 3776-XXXXXX10 or -XXXXXX12 3/2-way Booster Valve Type 3277 Linear Actuators Implement the exhaust air feedback from A mounting kit (see Fig. 4) is required for the linear actuator as follows: mounting on SAMSON Type 3277 Linear Î...
  • Page 13 Mounting kit for Type 3277 Linear Actuator Actuator area Order no. 175, 240, 350 cm² 1400-7220 355, 700, 750 cm² 1400-7221 9, 10 11, 12, 13 6, 7, 8 Exhaust air filter 11, 12, 13 Fig. 4: Mounting on SAMSON Type 3277 Linear Actuators EB 8368 EN...
  • Page 14 General information aligned to the right on the actuator yoke. Mounting with Type 373X, Type 3725, Place washer (7) and O-ring (8) under Type 376X or Type 378X Positioner: the left hex screw. mount the positioner on the other side of the actuator yoke as described in the 5.

  • Page 15: Mounting On Samson Type 3277-5 Linear Actuators (External Signal Pressure Routing)

    Î Insert the O-ring (16) into the output port the follower clamp (2). on the bottom of the booster valve. 8. Fasten the enclosure using two hexagon − Devices with Type 3776-XXXXXX10 or socket screws (11), two spring washers -XXXXXX12 3/2-way Booster Valve (12) and two washers (13).
  • Page 16 Mounting kit for Type 3277-5, 120 cm² diaphragm area (external signal pressure routing) Order no.: 1400-7219 9, 10 11, 12, 13 6, 7, 8 Exhaust air filter 11, 12, 13 Fig. 5: Mounting on SAMSON Type 3277-5 Linear Actuators · External signal pressure routing EB 8368 EN...
  • Page 17 General information Mounting with Type 373X, Type 3725, Type 376X or Type 378X Positioner: mount the positioner on the other side of the actuator yoke as described in the mounting and operating instructions. The cover (14) is not required in this case. Mounting kit for Type 3277-5, 120 cm² diaphragm area (external signal pressure routing) Quantity Description Quantity Description Formed seal...

  • Page 18: Mounting On Samson Type 3277-5 Linear Actuators (Internal Signal Pressure Routing)

    A mounting kit (see Fig. 6) is required for valve. mounting on SAMSON Type 3277-5 Linear Î Seal port 2 of the booster valve with the Actuators with internal signal pressure rout- ing (see Data Sheet u T 8310-1 as well as screw plug (17) and O-ring (18).
  • Page 19 (internal signal pressure routing) Connection Order no. G ¼ 1400-7222 ¼ NPT 1400-7223 9, 10 6, 7, 8 11, 12, 13 Exhaust air filter 11, 12, 13 Fig. 6: Mounting on SAMSON Type 3277-5 Linear Actuators · Internal signal pressure routing EB 8368 EN...
  • Page 20 General information 4. Fasten the flange plate (4) with stuck-on Mounting with Type 373X, Type 3725, gasket (5) using two hex screws (6) Type 376X or Type 378X Positioner: aligned to the right on the actuator yoke. mount the positioner on the other side of Place washer (7) and O-ring (8) under the actuator yoke as described in the the left hex screw.
  • Page 21 (delivered state). 9. Place the enclosure on the stud bolts of − Devices with Type 3776-XXXXXX10 or the mounting bracket (10). Make sure the -XXXXXX12 3/2-way Booster Valve pin on the follower clamp (3) engages...
  • Page 22 Washer ISO 7089, 9 M6 hexagon nut ISO 4035 M6x10 hexagon socket screw ISO 4762 Spring washer B6 Spring washer B6 Washer ISO 7089, 6 Follower plate M4x8 hexagon screw ISO 4017 Disk spring DIN 2039, B8 Fig. 7: Mounting on SAMSON Type 324X Valve with rib EB 8368 EN...
  • Page 23 General information 11. Fasten the enclosure cover on the device. EB 8368 EN...

  • Page 24: Pneumatic Connection

    Pneumatic connection 3 Pneumatic connection Î Ensure that the K coefficient of an upstream supply pressure regulator is at Î For devices with pilot valve: run and least 1.6 times larger than the device's attach the connecting lines and screw coefficient.

  • Page 25: Filter Elements For The Pilot Supply

    Pneumatic connection 3.2 Filter elements for the pilot 3. Unscrew the two hexagon socket screws (6) and two spring washers (7) and re- supply move the connection block/booster valve To prevent dirt particles entering the pilot from the enclosure. valve, a strainer with mesh size 30 µm and a 4.

  • Page 26: Exhaust Air Filter And Degree Of Protection

    (IP 54) or taking other appropriate precautions. gree of protection 3.4 Restrictors The devices are fitted with a filter (IP 54) in the enclosure cover or a filter check valve Devices with Type 3776 Booster Valve (IP 65). -XXXXXX12/-XXXXXX31 Devices with Type 3776 Booster Valve -XXXXXX41/-XXXXXX51 -XXXXXX10/-XXXXXX12...
  • Page 27 A minimum amount of air still flows when the restriction screws are tightened. EB 8368 EN...

  • Page 28: Electrical Connection

    Electrical connection 4 Electrical connection 4.1 Connecting cables For electrical installation, observe the rele- Cable glands M20x1.5 on a terminal block vant electrotechnical regulations and the ac- in the enclosure or plug connectors are used cident prevention regulations that apply in for electrical connection (see section 4.3).

  • Page 29: Equipment For Use In Zone 2/Zone 22

    Electrical connection 4.2 Equipment for use in zone 2/zone 22 In equipment operated according to type of protection Ex nA II (non-sparking equipment) according to EN 60079-15:2003, circuits may be connected, interrupted or switched while energized only during installation, maintenance or repair. Equipment connected to energy-limited circuits with type of protec- tion Ex nL (energy-limited equipment) ac- cording to EN 60079-15:2003 may be...
  • Page 30 Electrical connection Wiring plans for terminal block +41 –42 +45 –46 +51 –52 81 81 82 82 –42 +51 –52 53 81 81 82 82 Three inductive limit contacts (two-wire) Two inductive limit contacts (three-wire) 52 51 53 81 81 82 82 Two electric limit contacts (changeover contact) –84 –42 +45 –46 +51 –52...
  • Page 31 Electrical connection Wiring plans for plug connectors according to EN 175301-803 –42 –52 –42 –42 –52 Two inductive limit contacts (two-wire) One inductive limit contact (three- Two inductive limit contacts (three- wire) wire) One electric limit contact (changeover Two electric limit contacts One pilot valve contact) (changeover contact)
  • Page 32 Electrical connection Wiring plans for Harting plug connectors One pilot valve One pilot valve One pilot valve Two inductive limit contacts Two electric limit contacts Three inductive limit contacts (two-wire) (three-wire) (changeover contact) Two pilot valves Two pilot valves Two inductive limit contacts (two-wire) One inductive limit contact (three-wire) Two pilot valves Two pilot valves...
  • Page 33 Electrical connection Wiring plans for Binder round connectors Three inductive limit contacts (two- Two inductive limit contacts (three- Two electric limit contacts wire) wire) (changeover contact) One pilot valve One pilot valve Two inductive limit contacts (two-wire) Two inductive limit contacts (three-wire) Two pilot valves Two pilot valves One inductive limit contact (three-wire)

  • Page 34: As-Interface Module (2011 Version)

    Electrical connection 4.4 AS-Interface module (2011 Data bit version) Table 2: Bit assignment Input Output Type 3776-0XXXXXXXX52 and – OUT 1 Type 3776-0XXXXXXXX53 – – The AS-Interface module is installed on a IN 1 – printed circuit board in the enclosure and is IN 2 –...
  • Page 35 Electrical connection Table 3: LED status indication When the wire breakage or short-circuit monitoring is active, the proximity switch is Function Status attenuated when a wire breakage is detected Green AS-Interface Auxiliary power and unattenuated when there is a short cir- Module connected cuit (LED 2 or LED 3 illuminated yellow).

  • Page 36: Pilot Valve/Manual Override

    Electrical connection 4.5 Pilot valve/manual over- ride WARNING Pilot valves without manual override must be used for safety-instrumented systems. Devices with pilot valve The pilot valve, consisting of an electropneu- matic binary converter (1) and pressure re- ducer (2), can optionally be fitted with a manual override (3) (see Fig. 16).

  • Page 37: Limit Contacts

    Limit contacts 5 Limit contacts Table 4: Adjustment data Switching point shift ΔT = 50 K The devices are equipped with a maximum Opening angle Travel of either three inductive proximity switches, one inductive double proximity switch or ≤2° ≤ 0.8 mm three electric microswitches (see sections 5.2 Turns of the adjustment screw to 5.4).

  • Page 38: Inductive Proximity Switches

    Limit contacts 5.2 Inductive proximity Switching functions: switches − SC3,5-N0: NO contact/LED on − SJ3,5-SN: NO contact The shaft (1) of devices with inductive prox- − SB3,5-E2: NC contact/LED off imity switches (3) has a maximum of three adjustable metal tags (2) (see Fig. 17). Note When the tag is inside the magnetic field of When devices are delivered in the mounted...

  • Page 39: Inductive Double Proximity Switch

    Limit contacts 5.3 Inductive double proximity sensor (3) and the output signal changes from 0 to 1 or from 1 to 0. switch 5. Turn the adjustment screw (4) in the op- The shaft (1) of devices with an inductive posite direction by x turns to compensate double proximity switch (3) has an adjust- for the switching point shift due to tem-...

  • Page 40: Electric Microswitches

    Limit contacts 5.4 Electric microswitches Switching function: Contact closed/LED on The shaft (1) of devices with electric micros- Note witches has a maximum of three adjustable The metal tag is designed so that the proxim- cam disks (2). Each cam disk activates an ity switches are unattenuated in the actua- electric microswitch (3) over the roller on the tor's switching positions.
  • Page 41 Limit contacts 1 Shaft 2 Cam disk 3 Electric microswitch 4 Switch lever 5 Adjustment screw Fig. 19: Electric microswitches · Device without enclosure cover and indicator cap EB 8368 EN...

  • Page 42: Servicing Explosion-Protected Devices

    Servicing explosion-protected devices 6 Servicing explosion-protected 7 Maintenance, calibration and devices work on equipment If a part of the device on which the explosion Interconnection with intrinsically safe circuits protection is based needs to be serviced, the to check or calibrate the equipment inside or device must not be put back into operation outside hazardous areas is to be performed until a qualified inspector has assessed it ac-...
  • Page 43 Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres – Directive 94/9/EC EC type examination certificate number PTB 98 ATEX 2072 Equipment: Type 3776-1 Limit Switch Manufacturer: SAMSON AG Address: Weismüllerstraße 3, 60314 Frankfurt am Main, Germany The design of this equipment and its different permissible versions are specified in the schedule to this certificate.
  • Page 44 Depending on their version, the limit switches are fitted with limit contacts in different de- signs and low-power solenoid valves. The Type 3776-1… Limit Switches are passive dipoles that may be connected to all certified intrinsically safe current circuits, provided the permissible maximum values for U , and P not exceeded.
  • Page 45 45 V The effective inner capacitances and inductivities are negligibly small. Type 3776-1…1, Type 3776-1…2, Type 3776-1…3 with solenoid valve: Input current circuit ......in type of protection Intrinsic Safety EEx ia IIC (terminals 81/82 und 83/84) For connection to a certified intrinsically safe current cir- cuit only Max.
  • Page 46 Weismüllerstraße 3, 60314 Frankfurt am Main, Germany Description of additions and modifications In the future, the Type 3776-1 Limit Switch may be manufactured according to the test documents listed in the test report. The modifications are made with respect to Directive 94/9/EC, article 14.
  • Page 47 Contact current circuits ...... in type of protection Intrinsic Safety EEx ia IIC For connection to a certified intrinsically safe current circuit only Type 3776-11., Type 3776-12., Type 3776-14. with inductive two-wire sensor: (terminals 41/42, 45/46, and 51/52) Max. values:...
  • Page 48 [translation of German original] Physikalisch-Technische Bundesanstalt [PTB lettering] Braunschweig and Berlin Addendum to EC Type Examination Certificate PTB 98 ATEX 2072 The relation between the version, temperature class, permissible ambient temperature range, and maximum power dissipation is shown in the following table: Version 12 V 24 V...
  • Page 49 Weismüllerstraße 3, 60314 Frankfurt am Main, Germany Description of additions and modifications In the future, the Type 3776-1 Limit Switch may also be manufactured and operated according to the test documents listed in the test report. The modifications apply to the internal and external design.
  • Page 50 Contact current circuits ...... in type of protection Intrinsic Safety EEx ia IIC For connection to a certified intrinsically safe current circuit only Max. values: Type 3776-11., Type 3776-12., Type 3776-14. a) with inductive two-wire sensor: (terminals 41/42, 16 V...
  • Page 51 [translation of German original] Physikalisch-Technische Bundesanstalt [PTB lettering] Braunschweig and Berlin Addendum to EC Type Examination Certificate PTB 98 ATEX 2072 All other specifications remain valid also for this 2 addendum. Test report: PTB Ex 04-23528 Certification Sector for Explosion Protection Braunschweig, 1 March 2004 [signature Johannsmeyer, round stamp with federal eagle logo and Physikalisch-Technische Bundesanstalt 56 lettering]...
  • Page 52 Weismüllerstraße 3, 60314 Frankfurt am Main, Germany Description of additions and modifications With this addendum, the temperature classes for the Type 3776-15. and Type 3776-16. Limit Switches are defined and the electric data are added for organizational reasons. No further changes were made.
  • Page 53 [translation of German original] Physikalisch-Technische Bundesanstalt [PTB lettering] Braunschweig and Berlin Addendum to EC Type Examination Certificate PTB 98 ATEX 2072 All other specifications mentioned in the EC type examination certificate remain valid also for this addendum. Test report: PTB Ex 06-26195 Certification Sector for Explosion Protection Braunschweig, 25 August 2006 [signature Johannsmeyer, round stamp with federal eagle logo...
  • Page 54 Atmospheres – Directive 94/9/EC ((3) EC Type Examination Certificate Number PTB 02 ATEX 2007 X Equipment: Model 3776-8 Limit Switch Manufacturer: SAMSON AG Mess- und Regeltechnik Address: Weismüllerstr. 3, D-60314 Frankfurt, Germany This equipment and any acceptable variation therefore are specified in the schedule to this certificate and the documents referred to therein.
  • Page 55 Physikalisch-Technische Bundesanstalt        Braunschweig und Berlin (12) The marking of the equipment shall include the following: II 3 G EEx nA II T6 Zertifizierungsstelle Explosionsschutz Braunschweig,.07. März 2002 By order (Signature) (Seal) Dr. Ing. U. Johannsmeyer Regierungsdirektor Statements of conformity without signature and seal are invalid.
  • Page 56 Statement of Conformity PTB 02 ATEX 2007 X (15) Description of Equipment The Model 3776-8... Limit Switches are suitable for attachment to rotary actuators complying with VDE/DIN 3845 and for integral attachment to Model 3277 Linear Actuators with covered lever system.
  • Page 57 (16) Test report PTB Ex 02-21203 (17) Special conditions for safe use The Model 3776-8 . . . Limit Switch shall be installed in an enclosure providing at least Degree of Protection IP 54 in compliance with the IEC Publication 60529:1989 The wiring shall be connected in such a manner that the connection facilities are not subjected to tensile and/or torsional stress.
  • Page 58 Physikalisch-Technische Bundesanstalt        Braunschweig und Berlin Statements of conformity without signature and seal are invalid. This Statement of conformity may be reproduced only in its entirety and without any changes, schedule. Extracts or changes shall require the prior approval of the Physikalisch-Technische Bundesanstalt. Physikalisch-Technische Bundesanstalt., Bundesallee 100, D-38116 Braunschweig Ptb07Ex n.doc EB 8368 EN...
  • Page 59 EB 8368 EN...
  • Page 60 EB 8368 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samson.de · www.samson.de...

Table of Contents