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Agromatic NEx Series, Сборка и руководство по эксплуатации

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8.4 Repairs

 

8 Malfunctions 

90 

Actuators NEx, NEx-K, NEx-KA, NEx-V 

 

8.4  Repairs 

Before returning an Agromatic actuator for repairs, request an RMA (“Return 
Material Authorization”) number from the Agromatic Regelungstechnik GmbH 
Service department. 

Agromatic Regelungstechnik GmbH 

Postfach 1162 
D - 33804 Oerlinghausen 
Germany 
Phone:  +49 5202 9739-284 
Fax: 

+49 5202 9739-25 

E-Mail:  [email protected] 
 

The provided RMA number must be attached to the actuator to facilitate fast 
and smooth execution of the repairs. 

If a claim is raised, the original invoice must also be provided with the actua-
tor. 

 

 

Important information! 

Make sure to always quote the serial number on the 

nameplate

. 

 

 

Содержание NEx Series

Страница 1: ...Revision 2020 10 02 Assembly and Operating Manual Original Actuators Series NEx NEx K NEx KA and NEx V Keep for future use...

Страница 2: ...right to make technical changes as a result of improvements to the performance characteristics and further developments without prior written notice Agromatic Regelungstechnik GmbH Postfach 1162 D 33...

Страница 3: ...ction classes IP66 IP67 11 2 5 Personal protective equipment 12 2 6 Notes for emergencies 13 2 7 Obligations of the plant operator 13 2 8 Requirements imposed on the personnel 15 2 8 1 Responsibilitie...

Страница 4: ...2 5 3 6 Schematic diagram for direct current 53 5 3 7 AC schematic diagram with service switch option 53 5 3 8 AC schematic diagram for parallel operation option 53 5 4 Setting the position switches 5...

Страница 5: ...rotection test 83 7 2 10 Electrical inspection all series 84 7 3 Spare parts 85 8 Malfunctions 87 8 1 Safety information 87 8 2 General notes 87 8 3 Resetting the temperature switch 88 8 4 Repairs 90...

Страница 6: ......

Страница 7: ...safe and secure manner service the actuator according to instructions take the necessary action in the event of a fault Any general legal or otherwise binding regulations for the prevention of acci d...

Страница 8: ...hazard with a high risk which will lead to death or serious personal injury if it is not avoided WARNING This warning indicates a potential hazard which unless avoided may involve a medium risk of dea...

Страница 9: ...t to life Risk of explosion This symbol warns of dangers due to a potentially explosive atmos phere Risk of burns This symbol warns of a burn hazard due to hot surfaces 1 3 Warranty and liability The...

Страница 10: ...ituations influence of foreign bodies and force majeure improperly performed repairs use of inadmissible spare parts and or use of spare parts not in compli ance with the technical requirements as def...

Страница 11: ...fety instructions in addition to the instructions in this op erating manual Any existing internal factory specifications must also be followed 2 1 General safety information The actuator is designed e...

Страница 12: ...ction and maintenance intervals the use of resources and process materials in compliance with the safety instructions in force adherence to the operating and maintenance requirements The technical dat...

Страница 13: ...te of the art and recognized safety regulations Nevertheless use of the device may still entail danger to users or third parties life and limb and or result in impairments of the actua tor itself or o...

Страница 14: ...upply in case of an emergency Regularly inspect the electrical equipment of the actuator for defects such as loose connections or damaged insulation Immediately disconnect the power supply in case of...

Страница 15: ...or connection cables need replacing please contact Agromatic Regelungstechnik GmbH When the hood is open live parts may ignite an existing potentially explo sive atmosphere and cause a fire an explosi...

Страница 16: ...maged actuator is not permitted Attach covers over the exposed moving actuator parts and the valve once the actuator is installed before putting the actuator into service Observe DIN EN ISO 13857 Safe...

Страница 17: ...ms must always be observed for all actuators Screwed cable glands The actuator is equipped with explosion proof screwed cable glands and connection cables according to Ex Zone 1 and Ex Zone 2 The conn...

Страница 18: ...a variety of hazards When working always wear protective equipment that is required for the kind of work being carried out In the work area obey all signs relating to personal protective equipment The...

Страница 19: ...erson to instruct the rescue forces if required Extinguish burning oil or grease with a CO2 fire extinguisher or a dry powder extinguisher Extinguish a fire within the electrical control using a CO2 f...

Страница 20: ...required The owner lessor must clearly define and control the responsibilities for installing starting up operating and servicing the actuator The owner lessor must ensure that the maintenance interv...

Страница 21: ...profes sional staff Instructed person Such persons have been trained by the owner lessor in the tasks assigned to them and informed about potential risks resulting from improper behavior Professional...

Страница 22: ...ting Special qualifications are additionally necessary for the following activi ties Assembly may only be carried out by trained technical staff Commissioning work at electrical equipment should only...

Страница 23: ...tuator NEx K Damper actuator NEx KA Linear actuator NEx V Valve actuator 3 2 Overview 3 2 1 Series NEx rotary part turn actuator 1 Hood 2 Motor 3 Control board BLDC motor 4 Control cams 5 Handwheel 6...

Страница 24: ...A NEx V linear actuators Fig 3 2 Schematic diagram series NEx NEx K NEx KA and NEx V 1 Hood 7 Control shaft 2 Motor 8 Switch 3 Control cams 9 PCB 4 Control shaft gearbox 10 Actuator housing Basic modu...

Страница 25: ...ctuator is either equipped with a brushless DC motor BLDC motor a DC commutator motor or a synchronous motor In case of a power failure the actuator can be operated manually by a hand wheel In order t...

Страница 26: ...odel however max NEx1 to NEx4 12 kg NEx5 and NEx6 14 kg NEx8 18 kg NEx K NEx KA NEx V 19 kg 3 4 3 Housing Protection class acc to DIN EN 60529 IP66 IP67 3 4 4 Drive motors Brushless DC motor BLDC moto...

Страница 27: ...of the device Synchronous motor with permanent magnet rotor Important information Frequency fluctuations affect the positioning time of the device Operating voltage 230 V AC 10 50 60Hz 5 115 V AC 10...

Страница 28: ...on actuator configuration Positioning times 80 s 90 to 160 s 90 Turn swivel range max 2 5 turns NEx K Positioning force up to 5 000N Stroke 150mm 300mm NEx KA Positioning force up to 5 000N Stroke 15...

Страница 29: ...peration by further measures e g additional sensors in the application Environmental conditions The actuator can be used in potentially explosive areas of Zone 1 and Zone 2 Actuator marking II 2G Ex d...

Страница 30: ...roke unit WARNING The additional plates shown above are examples so the temperature class of the actual actuator may differ from those shown above Therefore it is imperative to refer to the Ex marking...

Страница 31: ...tors NEx K NEx KA NEx V is pack aged in a cardboard box The linear unit is wrapped in plastic wrap The customer must inspect the actuator for visual transport damage when re ceiving the product Immedi...

Страница 32: ...actuator with the hood in place Protect the actuator against strong vibrations such as may occur when the actuator is dropped 4 4 Interim storage The actuator must be stored carefully if it is not se...

Страница 33: ...valve once the actuator is installed before putting the actuator into service Observe DIN EN ISO 13857 Safety of machinery Safety distances to prevent hazard zones being reached by upper and lower lim...

Страница 34: ...ly instructions of the valve manufacturer The valve must be able to move freely during the assembly NOTE Risk of property damage when the gearbox is decoupled The valve must not be twisted when the ge...

Страница 35: ...GmbH for the actuator WARNING Risk of injury due to fire explosion when operating the actuator in a potentially explosive atmosphere Improper handling may cause the control shaft of the actuator to be...

Страница 36: ...spective supplier when in stalling valves and brackets 5 2 1 Series NEx Agromatic rotary and part turn actuators are designed for driving industrial valves dampers plug valves etc The actuator is atta...

Страница 37: ...5 Assembly 5 2 Installation Actuators NEx NEx K NEx KA NEx V 31 Fig 5 1 Series NEx1 to NEx4 A assembly dimensions 39 37 39 166 295 207 6 14 6 50 65 77 50 45 M6x12...

Страница 38: ...5 2 Installation 5 Assembly 32 Actuators NEx NEx K NEx KA NEx V Fig 5 2 Series NEx5 to NEx6 assembly dimensions 5 10 d 40 35 D 39 37 63 166 295 207 70 45 M10x16 90 M8x16...

Страница 39: ...5 Assembly 5 2 Installation Actuators NEx NEx K NEx KA NEx V 33 Fig 5 3 Series NEx8 assembly dimensions...

Страница 40: ...the moving part of the valve 4 Push washer U onto connecting pin V 5 Insert locking pin S into the bore of connecting pin V 6 Bend apart both ends of the locking pin Important information Observe the...

Страница 41: ...uators NEx NEx K NEx KA NEx V 35 Series NEx K For the dimensions of the actuator unit see Fig 5 1 Series NEx1 to NEx4 A assembly dimensions Fig 5 4 Series NEx K assembly dimensions and radius of motio...

Страница 42: ...5 Assembly 36 Actuators NEx NEx K NEx KA NEx V Series NEx KA For the dimensions of the actuator unit see Fig 5 1 Series NEx1 to NEx4 A assembly dimensions Fig 5 6 Series NEx KA assembly dimensions and...

Страница 43: ...movement Type Stroke a b c f g NEx KA 150 150 190 325 106 143 140 NEx KA 300 300 340 475 212 293 245 NEx KA 450 450 520 655 318 473 350 NEx KA 600 600 670 805 424 623 455 NEx KA 750 750 820 955 530 7...

Страница 44: ...embly dimensions Fig 5 8 Series NEx V assembly dimensions Fig 5 9 Series NEx V assembly on valve Column mounting 1 Using mounting flange F place the actuator onto the valve neck H see Fig 5 10 Series...

Страница 45: ...indle S complete with driving collar RV or RG into the turned groove of spindle nut MA all the way to the stop 6 Screw retainer nut MV onto spindle nut MA all the way to the stop Note To even out tole...

Страница 46: ...NEx NEx K NEx KA NEx V 5 2 4 Assembly of the handwheel Fig 5 11 Assembly of the handwheel 1 Push handwheel H onto square socket V 2 Tighten the handwheel with washer U and screw S Operating the handw...

Страница 47: ...a result of incorrect electrical connection of the actuator in a potentially explosive atmosphere Only qualified personnel should carry out work at the actuator in ac cordance with explosion protecti...

Страница 48: ...rve the minimum cable bend radius prescribed by the manufacturer Always observe the schematic diagram attached inside the hood Use separate shielded wires for low voltages e g potentiometer The contro...

Страница 49: ...rnal relay for parallel operation see section 5 3 8 AC schematic diagram for parallel operation 5 3 1 Determining the direction of rotation DANGER Hazard of severe injuries due to fire explosions The...

Страница 50: ...tation The output shaft threaded spindle rotates clockwise CW Counterclockwise rotation The output shaft threaded spindle rotates counterclockwise CCW Direction of rotation always refers to the output...

Страница 51: ...nnection Actuators NEx NEx K NEx KA NEx V 45 Fig 5 13 NEx5 to NEx6 clockwise rotation Important information With actuators series NEx5 and NEx6 the control shaft turns in the oppo site direction of th...

Страница 52: ...5 3 Electrical connection 5 Assembly 46 Actuators NEx NEx K NEx KA NEx V Fig 5 14 NEx8 clockwise rotation...

Страница 53: ...sig nal to wire 3 of cable 2 the actuator rotates counterclockwise The same function applies to the version with optionally installed Ex e terminal box When applying an H signal to terminal 2 and simu...

Страница 54: ...eives a holding torque Actuator with Ex e terminal box When applying an L signal to terminal 2 and simultaneously an L signal to terminal 3 the actuator receives a holding torque Stopping the actuator...

Страница 55: ...e table level statuses End position feedback to the PLC actuator with unconnected cable end Left end position Right end position Status between the end positions Actuator has no operating voltage Cabl...

Страница 56: ...or Prerequisites for controlling the actuator Fig 5 15 PCB N Basic design example Counterclockwise rotation If mains voltage is applied between terminal N and 2 the output shaft threaded spindle rotat...

Страница 57: ...motor Standard SL limit switch CCW left hand rotation SR limit switch CW right hand rotation HZ anti condensate heater TS temperature switch NC contact can be reset manually Options S1 to S3 auxiliar...

Страница 58: ...HZ anti condensate heater TS temperature switch NC contact can be reset manually Options S1 to S4 auxiliary switch 1 to auxiliary switch 4 P1 potentiometer 1 P2 potentiometer 2 TM current output posi...

Страница 59: ...am with service switch option The service switch can be used to move the actuator irrespective of the control signals present at terminals 2 and 3 Fig 5 19 AC schematic diagram with service switch opt...

Страница 60: ...e fore delivery Important information When starting up the travel limit switches ensure that the valve is securely closed when the actuator has reached the relevant end position NOTE When the end posi...

Страница 61: ...21 330 cam left hand switch not activated right hand switch activated Fig 5 22 90 cam left hand switch not activated right hand switch activated The switches are equipped with a changeover contact Sw...

Страница 62: ...crews EL ER E1 and E2 have different lengths and are used to operate the relevant control cams NL NR N1 and N2 Screw EL protrudes the farthest and is identifiable through an O ring It is used to opera...

Страница 63: ...limit switch SL switches over identi fied by an audible click within the switch 4 Adjust control cam NR using adjusting screw ER for clockwise rotation as described in steps 1 to 3 5 Move to both end...

Страница 64: ...spectively On delivery cam rests T of the individual control cams are loosely plugged onto control shaft W The cams are fixed using hex socket grub screws G during the setting procedure Fig 5 24 show...

Страница 65: ...ches over identified by an audible click within the switch 4 For CW rotation secure cam rest T for control cam NR with grub screw G as described in steps 1 to 3 and adjust the control cam using adjust...

Страница 66: ...e individual control cams are loosely plugged onto control shaft W The cams are fixed using hex socket grub screws G during the set ting procedure The grub screws are secured so they cannot fall out F...

Страница 67: ...by an audible click with in the switch Then secure the control cam using grub screw G 4 Adjust control cam NR as described in steps 1 to 3 for CW rotation and secure it with grub screw G 5 Move to bot...

Страница 68: ...tic diagram inside the hood Terminals 18 and 20 may be swapped during wiring in order to adjust the potentiometer evaluation to the rotational direction of the actuator The maximum permitted wiper cur...

Страница 69: ...ntiometer NOTE Observe the regulating distance of the actuator and the potentiome ter resolution The order specific regulating distance must not be exceeded other wise the potentiometer adjustment wou...

Страница 70: ...20mA cannot be changed Fig 5 29 Transmitter top view End position 4mA 1 Move the actuator to the first end position 2 Press the button 4mA for more than 2s then release it The first end position is no...

Страница 71: ...er when temperatures sink below 0 C and rise above 15 C respectively NOTE If the ambient temperatures vary during the assembly the heating resistor must be connected immediately to the voltage supply...

Страница 72: ...The threaded surfaces at the hood and the basic module must be undamaged and clean Make sure the hood is straight when inserting it onto the basic module ensuring the thread is not tilted Use a strap...

Страница 73: ...0 5 8 Installing the hood Actuators NEx NEx K NEx KA NEx V 67 Fig 5 30 Fixing of the hood hex nut grub screw G...

Страница 74: ......

Страница 75: ...losion when operating the actuator in a potentially explosive atmosphere When the hood is open live parts may ignite an existing potentially explo sive atmosphere and cause a fire an explosion Only qu...

Страница 76: ...t the limit switches see section 5 4 Setting the position switches Regularly inspect the valves for foreign objects Before switching the actuator on or off changing any settings e g rotational directi...

Страница 77: ...is running there is a risk of injury such as the upper limbs being drawn in or caught by the rotating handwheel Do not operate the handwheel unless the voltage supply has been switched off NOTE Risk...

Страница 78: ...ection Hold the handwheel in position M while rotating it The control cams and the potentiometer shaft also rotate in manual op eration The adjusted positions of the control cams are maintained 4 Rele...

Страница 79: ...box NOTE Risk of property damage caused by overrunning the limit switches or canceling the adjustment of the potentiometer In manual operation take care not to move the valve beyond the end positions...

Страница 80: ...sconnect the output shaft or the valve shaft 4 Turn the valve in the desired position The control cams and the potenti ometer shaft also rotate The adjusted positions of the control cams are maintaine...

Страница 81: ...inst being switched on for the duration of the work Adhere to the regulations of the VDE and to the regulations issued by the local utility company DANGER Risk of injury due to fire explosion when wor...

Страница 82: ...nect the actuator from the power supply using the disconnecting device provided by the customer and protect the disconnecting device against being switched on unexpectedly Wait for the components to...

Страница 83: ...ion test all series every 3 years 7 2 9 Electrical inspection all series every 4 years 2 3 7 2 10 1 Or earlier if dirty 2 Initial inspection 6 months after start up 3 Only if the electrical systems an...

Страница 84: ...nts Do not use any strong abrasive or flammable cleaning agents diluting agents or similar fluids A normal general purpose cleaner is sufficient Clean the outside of the actuator with a damp cloth acc...

Страница 85: ...Special bearing grease from OKS Spezialschmierstoffe GmbH Munich Germany is applied at the factory Properties of bearing grease type OKS 410 Temperature range 20 C to 130 C Viscosity of the base oil o...

Страница 86: ...d lubricated again Special bearing grease from OKS Spezialschmierstoffe GmbH Munich Germany is applied at the factory Properties of bearing grease type OKS 410 Temperature range 20 C to 130 C Viscosit...

Страница 87: ...level of contamination but at least every 6 months the threaded spindle must be cleaned thoroughly and lubricated again Special bearing grease from OKS Spezialschmierstoffe GmbH Munich Germany is appl...

Страница 88: ...Anti condensate heater Damaged rubber sealing ring in the basic housing of the actuator Return the actuator to Agromatic Regelungstechnik GmbH to have it re paired Leaking screwed cable glands cable e...

Страница 89: ...ons connecting pins in perfect condition Re tighten screws replace pins etc where required 7 2 9 Explosion protection test Check the actuator every 3 years at the latest in accordance with EN 60079 17...

Страница 90: ...ed on for the duration of the work Adhere to the regulations of the VDE and to the regulations issued by the local utility company Have the responsible qualified electrician inspect the electrical equ...

Страница 91: ...contact Agromatic Regelungstechnik GmbH Postfach 1162 D 33804 Oerlinghausen Germany Phone 49 5202 9739 284 Fax 49 5202 9739 25 E Mail sales agromatic de Web www agromatic de Please quote the serial n...

Страница 92: ......

Страница 93: ...electrical equipment Before attempting any work disconnect the machine system from the power supply and protect the machine system against being switched on for the duration of the work Adhere to the...

Страница 94: ...ed observe the following instructions Disconnect all sources of power to the actuator Wait at least 60 min before opening the hood NOTE When installing the hood make sure that no potentially explosive...

Страница 95: ...x NEx K NEx KA NEx V 89 5 Press and reset the temperature switch 1 at the basic module see illus tration below Fig 8 1 Resetting the temperature switch 6 Reinstall the hood see section 5 8 Installing...

Страница 96: ...artment Agromatic Regelungstechnik GmbH Postfach 1162 D 33804 Oerlinghausen Germany Phone 49 5202 9739 284 Fax 49 5202 9739 25 E Mail sales agromatic de The provided RMA number must be attached to the...

Страница 97: ...ent Before attempting any work disconnect the machine system from the power supply and protect the machine system against being switched on for the duration of the work Adhere to the regulations of th...

Страница 98: ...quired protective gloves when working on the equipment Secure the components e g with ropes or the like against dropping down before dismantling the actuator NOTE Environmental harm hazard due to inco...

Страница 99: ...partly completed machine according to Annex II part 1 section B of the Directive 2006 42 EC for rotary and part turn actuators a copy of the translation of the German declaration of incorporation for...

Страница 100: ...10 1 Certificates 10 Appendix 94 Actuators NEx NEx K NEx KA NEx V...

Страница 101: ...10 Appendix 10 1 Certificates Actuators NEx NEx K NEx KA NEx V 95...

Страница 102: ...10 1 Certificates 10 Appendix 96 Actuators NEx NEx K NEx KA NEx V...

Страница 103: ...10 Appendix 10 1 Certificates Actuators NEx NEx K NEx KA NEx V 97...

Страница 104: ...10 1 Certificates 10 Appendix 98 Actuators NEx NEx K NEx KA NEx V...

Страница 105: ...10 Appendix 10 1 Certificates Actuators NEx NEx K NEx KA NEx V 99...

Страница 106: ...10 1 Certificates 10 Appendix 100 Actuators NEx NEx K NEx KA NEx V...

Страница 107: ...10 Appendix 10 1 Certificates Actuators NEx NEx K NEx KA NEx V 101...

Страница 108: ...10 1 Certificates 10 Appendix 102 Actuators NEx NEx K NEx KA NEx V...

Страница 109: ...10 Appendix 10 1 Certificates Actuators NEx NEx K NEx KA NEx V 103...

Страница 110: ...n of rotation 46 F Flameproof enclosure 19 H Handwheel Assembly 42 Operation 73 Hood 68 L Logic level Inputs 52 Outputs 52 Logic levels 52 M Maintenance 16 77 Maintenance intervals 79 Maintenance work...

Страница 111: ......

Страница 112: ...Agromatic Regelungstechnik GmbH Postfach 1162 D 33804 Oerlinghausen Germany Phone 49 5202 9739 284 Fax 49 5202 9739 25 E Mail sales agromatic de Web www agromatic de...

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