Samson 4763 Mounting And Operating Instruction Download

Page: 42 / 78

8-2

EB 8359-2 EN

Malfunction

Table 8-1:

Troubleshooting

Description of fault

Measures

Actuator moves too slowly.

Check the supply pressure.

Check the cross-section of the piping and

screw fittings.

Check the configuration of the mounting parts.

Actuator moves in the wrong direction.

Check piping.

Check the configuration of the mounting parts.

Air leaks from the positioner.

Check the seals in the connecting plate.

The set point span is not reached at a 100 % sig

nal.

Check whether the correct range spring has

been selected.

Check the adjusted air output and proportional

band.

Check the adjusted span.

Zero is not reached at a 0 % signal.

Check the adjusted zero.

Summary of Contents for 4763

Page 1: ...Translation of original instructions EB 8359 2 EN Edition January 2022 Type 4763 Electropneumatic Positioner...

Page 2: ...ist you in mounting and operating the device safely The instructions are binding for handling SAMSON devices The images shown in these instructions are for illustration purposes only The actual produc...

Page 3: ...ioner 4 1 4 3 Transporting the positioner 4 1 4 4 Storing the positioner 4 1 5 Installation 5 1 5 1 Installation conditions 5 1 5 2 Preparation for installation 5 2 5 2 1 Determining the operating dir...

Page 4: ...2 9 2 Converting the electropneumatic into a pneumatic positioner 9 2 9 3 Periodic inspection and testing of the positioner 9 2 10 Decommissioning 10 1 11 Removal 11 1 12 Repairs 12 1 12 1 Servicing...

Page 5: ...ible uses Reasonably foreseeable misuse The Type 4763 Positioner is not suitable for the following applications Use outside the limits defined during sizing and by the technical data Furthermore the f...

Page 6: ...appropriate precautions Plant operators and operating personnel must observe all hazard statements warning and caution notes in these mounting and operating instructions especially for installation st...

Page 7: ...f fatal injury due to the ignition of an explosive atmosphere Incorrect installation operation or maintenance of the positioner in potentially explosive atmospheres may lead to ignition of the atmosph...

Page 8: ...ot exceed the maximum permissible electric values specified in the EC type ex amination certificates when interconnecting intrinsically safe electrical equipment Ui or U0 li or I0 Pi or P0 Ci or C0 an...

Page 9: ...or given the device a mark of conformity Inspection by a qualified inspector is not required if the manufacturer performed a routine test on the device before putting it back into operation Document t...

Page 10: ...1 6 EB 8359 2 EN...

Page 11: ...D 60314 Frankfurt Model See technical data and explosion protection certi cate for permissible ambient temperature and maximum values for connection to certi ed intrinsically safe circuits Mat S N SAM...

Page 12: ...E F G 3 FM 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 ATEX II 3G Ex nA ic IIC T6 Gc 8 2 7 Spring Spring 1 tra...

Page 13: ...763 device index up to 03 Type 4763 device index 04 some already with the currently used article code Type 4763 up to device index 04 x 0 x x x x x x x x 0 Explosion protection Without 0 II 2 G Ex ia...

Page 14: ...ctions ISO 228 1 G 1 18 NPT 3 ISO 7 1 Rc 4 Electrical connection cable gland ISO 228 1 G 0 M20x1 5 blue plastic 1 M20x1 5 black plastic 2 Harting connector HAN 7D 5 M20x1 5 blue metal 6 M20x1 5 metal...

Page 15: ...ce which acts on the surface of the measuring dia phragm 8 and is compared to the force of the range spring 6 The motion of the measuring diaphragm 8 is transferred to the flapper plate 10 2 over the...

Page 16: ...6 1 6 3 Fig 3 1 Positioner with cover removed p st Output 38 pe Supply 9 21 1 1 4 5 6 8 9 9 1 10 2 10 10 1 6 8 9 9 1 10 2 10 1 10 11 i i p 12 14 13 1 2 2 1 20 Travel Arrangement of nozzle flapper pla...

Page 17: ...Linear characteristic Deviation from terminal based conformity 1 5 Hysteresis 0 5 Sensitivity 0 1 Direction of action Reversible Proportional band Xp at 1 4 bar supply air 1 to 3 0 with spring 1 1 to...

Page 18: ...tected versions 3 2 Summary of explosion protection approvals Type Certification Type of protection comments 4763 1 ATEX Number PTB 02 ATEX 2078 II 2G Ex ia IIC T6 Gb Date 2002 07 19 CCC Ex Number 202...

Page 19: ...2 5 38 Useable lever length I 40 to 127 mm with lever extension 40 to 200 mm Pneumatic connections ISO 228 1 G Cable gland Device index 02 and lower Pg 13 5 Device index 03 and higher M20x1 5 G 1 8 co...

Page 20: ...3 6 EB 8359 2 EN...

Page 21: ...ective caps on the pneumatic ports until immediately before installation Dispose and recycle the packaging in ac cordance with the local regulations 4 3 Transporting the positioner Pack the positioner...

Page 22: ...n If necessary use a drying agent or heating Make sure that the ambient air is free of acids or other corrosive media Observe storage temperature depending on the permissible ambient temperature see t...

Page 23: ...er put the control valve out of operation by discon necting and locking the supply air and control signal Do not impede the movement of the actu ator and plug stem by inserting objects into the yoke R...

Page 24: ...e signal pressure pst decreases as the input signal pe set point rises The signal pressure pst rises as the input signal pe set point decreases On the flapper plate the operating direction is indicate...

Page 25: ...e block cover plate removed Actuator stem extends FA 1 20 pst w 1 20 pst w Lever 1 located at top of plate 20 Lever 1 located at bottom of plate 20 Fig 5 2 Operating direction Left attachment Fig 5 3...

Page 26: ...o the travel indicator 24 of the plug stem 23 using the screws 21 Place both the support 28 and the clamping plate 26 on the rod 27 and lightly fasten Move the support until both the center of the pla...

Page 27: ...Nut 15 Fastening screw 20 Plate 21 Screw 22 Stem connector 23 Plug stem 24 Travel indicator 26 Clamping plate 27 Rod pillar 28 Support Fig 5 6 Attachment to valves with cast yokes NAMUR rib 15 1 28 27...

Page 28: ...ench range value 0 2 bar minimum 1 4 bar Actuator stem retracts FE Fail open for globe and angle valves For tight closing valves the maximum signal pressure pstmax is roughly estimated as fol lows pst...

Page 29: ...14 to 32 100 50 2 3 60 30 to 70 100 3 Further travel ranges with lever l and lever extension 40 to 200 mm in length 20 7 5 to 26 100 50 1 2 40 14 to 50 100 50 2 3 60 30 to 90 100 3 100 0 4 20mA Set p...

Page 30: ...shown in Fig 5 8 The starting point zero is adjusted at the screw 4 the set point span i e the upper range value is adjusted at the pin 2 Exchanging the range spring Fig 5 9 Unscrew screw 7 on the ra...

Page 31: ...the volume restriction 14 as far as the required positioning speed per mits Check the positioning speed by pushing the range spring 6 as far it will go 2 Adjust the set point at the input to ap prox 5...

Page 32: ...ghtly raised With operating direction increasing de creasing adjust starting point to 19 5 mA slightly lowered Starting point zero e g 4 5 mA 1 Turn the zero adjustment screw 4 until the plug stem jus...

Page 33: ...counterclock wise causes the plug stem to move from its end position earlier turning it clock wise causes it to move from its end posi tion later Upper range value span e g 4 mA 3 Once the starting p...

Page 34: ...r of an individual wire in a fine stranded conductor must not be smaller than 0 1 mm Protect the conductor ends against splicing e g by using wire end ferrules When two separate cables or wires are us...

Page 35: ...with cast yoke according to NAMUR Valves with rod type yoke according to NAMUR for 18 to 35 mm rod diameter 1400 5745 1400 5745 and 1400 5342 Assortment of spare parts including gaskets and diaphragm...

Page 36: ...5 14 EB 8359 2 EN...

Page 37: ...hazardous areas Crush hazard arising from moving parts on the valve Do not touch any moving valve parts while the control valve is in operation Before performing any mounting or in stallation work on...

Page 38: ...6 2 EB 8359 2 EN...

Page 39: ...hazard arising from moving parts on the valve Do not touch any moving valve parts while the control valve is in operation Before performing any mounting or in stallation work on the positioner put th...

Page 40: ...7 2 EB 8359 2 EN...

Page 41: ...tioner put the control valve out of operation by discon necting and locking the supply air and control signal Do not impede the movement of the actu ator and plug stem by inserting objects into the yo...

Page 42: ...mounting parts Actuator moves in the wrong direction Check piping Check the configuration of the mounting parts Air leaks from the positioner Check the seals in the connecting plate The set point spa...

Page 43: ...tric values specified in the EC type examination certificates when intercon necting intrinsically safe electrical equip ment Ui or U0 li or I0 Pi or P0 Ci or C0 and Li or L0 Crush hazard arising from...

Page 44: ...onversion kits see Table 9 1 1 Unscrew fastening screws and lift the i p converter together with the printed circuit board out of the positioner housing 2 Unthread cable gland 1 Plug on hose 5 and scr...

Page 45: ...ir readability and complete ness Immediately renew damaged missing or incor rect nameplates or labels Clean any inscriptions that are covered with dirt and are illegible Check the positioner to ensure...

Page 46: ...9 4 EB 8359 2 EN...

Page 47: ...ations apply to instal lation in hazardous areas EN 60079 14 VDE 0165 Part 1 The process is disturbed by interrupting closed loop control Do not mount or service the positioner while the process is ru...

Page 48: ...10 2 EB 8359 2 EN...

Page 49: ...1 Installation operation or maintenance of the positioner must only be performed by personnel who has undergone special training or instructions or who is autho rized to work on explosion protected de...

Page 50: ...11 2 EB 8359 2 EN...

Page 51: ...he passing of the routine test by attaching a mark of conformi ty to the device Replace explosion protected components on ly with original routine tested components by the manufacturer Devices that ha...

Page 52: ...12 2 EB 8359 2 EN...

Page 53: ...as a producer of electrical and electronic equipment WEEE reg no DE 62194439 Observe local national and internation al refuse regulations Do not dispose of components lubricants and hazardous substan...

Page 54: ...13 2 EB 8359 2 EN...

Page 55: ...f conformity for Type 4763 1 EU declaration of conformity for Type 4763 8 EAC certificate for Type 4763 ATEX EC type examination certificate CSA certificate The certificates shown were up to date at t...

Page 56: ...14 2 EB 8359 2 EN...

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Page 72: ...14 18 EB 8359 2 EN...

Page 73: ...s with rod type yoke according to NAMUR for 18 to 35 mm rod diameter 1400 5745 1400 5745 and 1400 5342 Assortment of spare parts including gaskets and diaphragms 1400 6792 Assortment of spare parts in...

Page 74: ...arise E mail contact You can reach our after sales service at aftersalesservice samsongroup com Addresses of SAMSON sales sites The addresses of SAMSON AG and sales sites can be found on our website w...

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Page 78: ...2022 05 04 English SAMSON AKTIENGESELLSCHAFT Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 samson samsongroup com www samsongroup com EB 8359 2 EN...

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