Mounting and Operating Instructions EB 8331-1
Contents
1. Rated travel inscription Intermediate gear ren L Intermediate gear Gear 12 Position for 15 mm aM a ES rated travel B rh Gear 12 m TILEIT Position for 30 mm gt rated travel A A Intermediate gear Fig 6 Selector switch and position of potentiometer gears in version with digital positioner 8331 1 15 Operation and setting After pressing the travel calibration but ton 4 the actuator stem first moves as far as it will go to the valve s CLOSED position Calibration is in progress when both signal lamps 8 and 9 are lit Travel calibration starts after the mounting position of the potentiometer gear 12 has been determined automatically This is indi cated by signal lamp 8 for 6 to 35 mm travel and by signal lamp 9 for 6 to 19 mm travel When travel calibration starts the lower sig nal lamp 9 blinks quickly for about 10 sec onds The actuator stem retracts as far as it will go maximum travel valve OPEN Travel calibration is successfully completed when the end position is reached The actu ator is in closed loop operation The actua tor stem moves to the valve position deter mined by the input signal NOTICE If one of the signal lamps starts to blink slowly after the travel calibration button has been pressed and the actuator stem has ex te2. Actuator Type 3374 10 11 15 21 26 31 36 Version with Yoke Ring nut Yoke Ring nut Yoke Ring nut Fail safe action Without Stem extends Stem retracts Rated travel mm 30 15 30 15 d 240 120 120 60 240 120 120 60 rated travel 3 5 Transit time in case of fail safe _ 12 action 5 Thrust 2 5 kN 2 kN 0 5 kN Stem extends or retracts Stem extends Stem retracts Power suppl 207 V to 253 V 50 Hz 90V to 121 V 60 Hz re 21 6 V to 27 6 V 50 Hz Power consumption VA Without positioner 7 5 13 10 5 16 With positioner 9 5 15 12 5 18 Motor switch off Torque dependent Ambient temperature range 5 to 60 C Storage temperature range 20 to 70 C Degree of protection IP 54 according to EN 60529 IP 65 with cable glands 1 Suspended mounting position not approved Overvoltage category according to EN 60664 Design and inspection EN 61010 Edition 3 94 Class of protection according to EN 61140 Electromagnetic compatibility According to EN 61000 6 2 EN 61000 6 3 and EN 61326 Manual override Using hex wrench Adjustment not possible after fail safe action has been triggered Manual adjustment of actuators with fail safe action only possible when power supply is connected see also section 4 1 Weight approx kg 3 2 3 3 3 9 4 0 3 5 3 6 Materials Housing and cover made of plastic PPO glass fiber reinforced Additional electrical equipment Limit contact Two travel dependent adjustable li
3. Settings for operating modes 1 and 2 Increasing characteristic actuator stem re tracts or extends as the input signal in creases After the actuator has been mounted on the valve as described in section 2 2 and the electrical connections have been established as described in section 3 proceed as fol lows 14 EB 8331 1 EN 1 Set selector switch 2 with the arrow pointing to operating mode 0 closed loop operation switched off 2 Check mounting position of the potenti ometer gear 12 The gear must be put onto the potentiometer shaft to correspond with the rated travel of the valve The inscription Nennhub 15 or B for 6 to 19 mm travel or Nennhub 30 or A for 6 to 35 mm travel must be legible from above on the associated gear side If this is not the case pull the gear off the shaft and put it back on again with the reverse side facing upwards allowing the intermediate gear to engage properly NOTICE Actuators with fail safe action Actuator stem retracts or extends are only de signed for a rated travel of 15 mm Do not reposition the gear Make sure that the shaft of the potentiometer 12 1 is adjusted correctly 3 Switch on power supply and set the in put signal fo a current gt 4 mA A Set selector switch 2 with the arrow pointing to operating mode 1 for 4 to 20 mA or 2 to 10 V input and alarm signal or set it to operating mode 2 for to 20 mA or O
4. 7 For actuator stem retracts For actuator stem extends Fig 10 Retrofitting limit contacts in this example model 3374 1 1000002000 version with resistance transmitters 8331 1 21 Retrofitting additional electrical equipment 5 3 Resistance transmitters Actuators with a digital positioner cannot be equipped with resistance transmitters To install the resistance transmitters an actu ator board with the appropriate potentiom eters and gears 12 and 13 is required 1 Remove the fastening screws Push the actuator board 1 from its guiding to the right Take out the board and re place it with a board with potentiom eters 2 Clip the spindle gear 2 onto the sleeve 3 as illustrated in Fig 10 1 top Make sure the lateral latch is properly en gaged in the groove of the sleeve 3 Plug intermediate gear 5 onto the spin dle 1 4 1 Place the serrated ring 10 on top and push it down as far as it will go 1 Actuator board 10 2 Contact cam 12 5 Intermediate gear 13 Serrated ring Gear potentiometer 1 Gear potentiometer 2 10 5 2 13 12 Fig 11 Version with resistance transmitter 22 8331 1 EN Note At this point follow the instructions described in section 5 1 2 on page 18 when new intermediate plate with index 6 is used 4 The potentiometer gears 12 and 13 with retaining rings must be put onto their s
5. 2 5 3 and 5 4 The actuator version is marked on the name plate e g Var ID 1063729 When ordering additional electrical equip ment from the manufacturer include this model number in the order To install the limit contacts resistance trans mitters or a digital positioner the basic unit 1400 8829 is required 8331 1 17 Retrofitting additional electrical equipment Old intermediate plate The old intermediate plate model is marked with less than six dots The retrofitting of the additional electrical equipment involves in stalling the spindle gear and intermediate gear included in the basic unit 1400 8829 The basic unit is not required if a resistance transmitter or a digital positioner is already installed in the actua tor New intermediate plate index 6 The new intermediate plate with index 6 is marked with six dots eee The retrofit ting of the additional electrical equipment involves installing all the components in cluded in the basic unit 1400 8829 See Fig 7 and section 5 1 2 Spindle gear 14 1 Tension spring 5 Intermediate gear 14 2 Shim 10 Serrated ring for 5 14 3 Serrated ring for 14 2 Fig 7 Components included in basic unit 1400 8829 18 8331 1 EN 5 1 Installing the basic unit with new intermediate plate index 6 Note This section only describes the addi tional mounting instructions for retrofitting the additional electrical eq
6. Actuator is used in industrial plants as well as in heating venti lation and air conditioning systems The actuator is suitable for form fit attach ment to various SAMSON valve series de pending on the version with or without fail safe action The actuators consist of a reversible synchronous motor and a mainte nance free planetary gear with ball screw The synchronous motor is switched off by torque dependent switches when the final positions are reached or in case of an over load The motion is transmitted to the actuator stem by the gears and ball screw Actuator versions with integrated yoke are primarily used for attachment to Series V2001 Valves Type 3260 DN 65 to 150 and Type 3214 DN 65 to 250 Valves Actuator versions for central attachment us ing an M30 x 1 5 ring nut are preferably combined with Series 240 Valves and Type 3214 Valves DN 125 to 150 Design and principle of operation 1 1 Additional equipment The actuators can be equipped with addi tional units such as limit contacts and resis tance transmitters to influence the tasks of control equipment In addition the actuator can be equipped with a digital positioner for processing standard signals in the range of 0 2 to 10 V or 0 4 to 20 mA Refer to section 5 for details on retrofitting additional equipment 8331 1 5 Design and principle of operation 1 2 Technical data
7. status and alarms Transfer protocol SAMSON SSP protocol Total delay time Approx 30 ms Accuracy lt 2 5 without taking the dead band into account Maximum two current inputs may be switched in series 2 Maximum values 50 mA or 25 V 3 SAMSON TROVIS VIEW Operator Interface software SAMSON memory pen 8331 1 7 Installation 2 Installation 2 1 Mounting position Installation depends on the mounting posi tion of the valve However do not install the actuator suspended downwards Note Manual override is only possible in actuators with fail safe action when the power supply is connected see section 4 1 2 2 Attachment to the valve Series V2001 DN 15 to 80 Type 3260 Valve DN 65 to 150 and Type 3214 Valve DN 65 to 100 1 Remove protective covers and unscrew nut 6 from the valve 2 Retract actuator stem slightly using the manual override Place actuator with yoke onto the valve and fasten with the nut 6 SW 36 using a minimum tightening torque of 150 Nm 3 When the plug stem 5 fits closely onto the actuator stem 3 attach both stem connector clamps 4 and fasten with screws Series 240 1 Push plug stem down to close the valve 2 Turn stem connector nut 8 until a dis tance of x 75 mm x 90 mm for DN 100 and larger between the top of the yoke and the top of the stem connec 8 EB8331 1 EN tor nut 8 is reached Secure position wit
8. switch off the actuator The position of the potentiometer is checked 4 Re adjust the potentiometer if necessary while observing the signal lamps Refer to the description given on page 14 of EB 8331 2 EN After adjusting the potentiometer the calibration of the actuator is continued 24 8331 1 EN 6 Dimensions in mm Version with yoke Version with ring nut 193 60 E 294 Stem connector 90 75 750 15 30 1 a ea 8331 1 EN 25 26 8331 1 EN EB 8331 1 EN 27 SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 8331 1 EN 2014 05
9. 6 is used 8 Push the cam bracket with both cams onto the spindle corresponding with the position of the actuator stem as illus trated in Fig 10 2 Make sure that the outermost cog of the cam bracket 7 en gages in the gearwheel of the intermedi ate gear 5 In addition the adjustment gears 8 must engage properly in the corresponding gears of the contact cams 6 Secure the cam bracket 7 and interme diate gear 5 with the serrated ring 10 pushing the ring down as far as it will go 10 Position the terminal board 11 at the base of the support at a 45 angle approx with the switches facing to wards the gears Push the upper end of the terminal board towards the gears until the board is in a vertical position and properly engaged in the support Push the actuator board 1 back into its guiding Make sure that the gears are properly engaged Fasten the board us ing screws Adjust limit contacts as described in sec tion 4 2 1 Retrofitting additional electrical equipment Actuator board 9 Spacer Spindle gear 10 Serrated ring Sleeve 11 Terminal board with Spindle microswitches Intermediate gear 12 Gear in version with resistance trans Contact cam 4 mitter Cam bracket Adjustment gear ANA BROWN 10 1 Position of the contact cams 6 the cam bracket 7 For actuator stem retracts extends 10 2 Position of the cam bracket 7
10. 9 Retrofitting additional electrical equipment 5 2 Limit contacts The retrofit kit order no 1402 0898 is re quired to install limit contacts Note To install the limit contacts the actua tor stem must be in end position i e the stem must be either fully extended or fully retracted If necessary move the stem to the appropriate position using the manual over ride at the side 1 Remove the fastening screws Push the actuator board 1 from its guiding to the right Slightly lift the board and con tinue pushing it further towards the cable entry 2 Clip the spindle gear 2 onto the sleeve 3 Make sure the lateral latch is prop erly engaged in the groove of the sleeve 3 Plug intermediate gear 5 onto the spin dle 4 Place the serrated ring 10 on top and push it down as far as it will go 4 Plug both ready assembled contact cams 6 with the cog first onto the cam bracket 7 5 Push adjustment gears 8 onto their spindles and fasten with one screw each Check whether the adjustment gears can be turned easily If not slightly loosen the screw again 6 Turn both contact cams 6 as illustrated in Fig 10 1 corresponding with the po sition of the actuator stem on the cam bracket 7 7 Push the spacer 9 onto the spindle for the cam bracket 20 8331 1 EN Note At this point follow the instructions described in section 5 1 1 on page 18 when a new intermediate plate with index
11. Actuator stem Stem connector Plug stem Nut Ring nut Stem connector nut Lock nut Travel indicator scale 8331 1 9 Electrical connections 3 Electrical connections Upon installation of the electric ca bles you are required to observe the regulations concerning low voltage installations according to DIN VDE 0100 as well as the regulations of your local power supplier Establish electrical connections as indicated on the circuit diagram on the actuator cover and as illustrated in Figs 3 and 4 A maximum of three cable glands can be at tached to the housing for cable entries 000 el Retracts Magnet in version with fail safe action Limit contacts optional 41 44 42 51 54 52 cj 7 al Extends Resistance transmitters optional 81 82 83 91 92 93 em Fig 3 Terminal connections version for three point stepping signal 10 8331 1 EN CAUTION Only connect to the mains power net work when the power is switched off Only use power interruption devices which ensure that the power cannot be switched on again unintentionally Electrical connections Particularly for 24 V 50 Hz actuators
12. Type 3374 Electric Actuator Fig 1 Type 3374 Actuator mounted on Type 3535 Three way Valve Mounting and Operating Instructions EB 8331 1 EN Edition July 2012 Contents Page Design and principle of operation 5 Additional equipment 5 Tschnicol date aos Bak HRA 6 Installatiori 244654244440 404 8 Mounting p siti n ea se red ee ee ee 8 Attachment to 8 Electrical connections 10 Operation 12 Manual operation of actuator 12 Setting the additional equipment 12 Limit c ntacts 4 ans sven Hr a 12 Resistance transmitters 2 12 Setting the digital positioner 14 Retrofitting additional electrical equipment 17 Installing the basic unit with new intermediate plate index 6 18 Limit Rum ESR eee ade 18 Resistance transmitters or digital positioner 18 Eimitc ntads Ro e ORO E e 20 Resistance transmitters 2 2 22 Co nn 22 Digital es tesca 23 Calibrating the positioner ens 23 Simplest method to calibrate the 24 Dimensions in mm 25 Note Actuators with a CE markin
13. d travel of the valve The rated travel inscription Nennhub 15 or B on the upper side with the retaining ring or Nennhub 30 or A lower side must be legible from above also see Figs 5 and 6 Retrofitting additional electrical equipment 5 Push the actuator board 1 back into its guiding Make sure that the gears are properly engaged Fasten the board us ing screws 5 4 1 Calibrating the positioner 5 Intermediate gear 6 Contact cam 7 Cam bracket 8 Adjustment gears 10 Serrated ring 12 Gear feedback potentiometer Fig 12 Version with positioner without top and with bottom limit contacts 8331 1 EN 23 Retrofitting additional electrical equipment To calibrate the positioner proceed as de Mount the actuator on the valve and set scribed in section 4 of EB 8331 2 EN the positioner as described in section 4 3 of these instructions 5 4 2 Simplest method to calibrate the actuator If tools such as the TROVIS VIEW software or a PC are not available for calibration of the actuator and the actuator operation with maximum precision is not necessary the simplest calibration method can be per formed as follows 1 Position the selector switch 2 to operat ing mode 0 2 Press down the travel calibration button 5 for at least 15 seconds until both sig nal lamps light up 3 Release the button to start calibration The actuator stem extends until the torque dependent switches
14. g fulfill the requirements of the Directives 94 9 EC and 89 336 EEC The Declaration of Conformity is available on request 2 EB 8331 1 EN Safety instructions General safety instructions For your own safety follow these instructions concerning the mounting start up and operation of the actuator The actuator is to be mounted started up or operated only by trained and experienced personnel familiar with the product According to these Mounting and Operating Instructions trained personnel refers to individuals who are able to judge the work they are assigned to and recognize possible dangers due to their specialized training their knowledge and experience as well as their knowledge of the applicable standards Any hazards that could be caused by the process medium the operating pressure the signal pressure or by moving parts of the control valve are to be prevented by means of the appropriate measures The actuators are designed for use in low voltage installations For wiring and maintenance you are required to observe the relevant safety regulations The actuator must be protected against unintentional reconnection of the power supply Before wiring the actuator disconnect it from the power supply To avoid damage to any equipment the following also applies Proper transportation and storage are assumed 8331 1 3 4 8331 1 EN 1 Design and principle of operation The Type 3374 Electric
15. h lock nut 9 3 Place actuator onto valve bonnet 2 3 and fasten with ring nut 7 If necessary retract actuator stem slightly beforehand using the manual override 4 When the stem connector nut 8 fits closely onto the actuator stem attach both stem connector clamps 4 and screw tight 5 Move actuator stem 3 to the end posi tion valve closed using the manual override or motor 6 Align travel indicator scale 10 to the middle of the stem connector 4 and screw tight Type 3214 DN 125 to 250 1 Place actuator onto the valve and secure with the ring nut 7 If necessary retract actuator stem slightly beforehand using the manual override 2 When the plug stem fits closely onto the actuator stem 3 attach both stem connector clamps 4 and screw tight 3 Move actuator stem 3 to the end posi tion valve closed using the manual override or motor 4 Align travel indicator scale 10 to the middle of the stem connector 4 and screw tight Installation Attachment to Series V2001 Type 3260 DN 65 to 150 and Type 3214 DN 65 to 100 AR Fig 2 Attachment to the valve Attachment to Type 3214 DN 125 to 250 Attachment to Series 240 o Actuator Actuator yoke Valve yoke Bonnet
16. hafts corresponding with the rated travel of the valve The rated travel in scription Nennhub 15 or B on the up per side with the retaining ring or Nennhub 30 or A lower side must be legible from above also see Figs 5 and 6 5 Push the actuator board back into its guiding Make sure that the gears are properly engaged Fasten the board us ing screws Adjust the resistance transmitters as de scribed in section 4 2 2 5 4 Digital positioner To install a positioner a corresponding ac tuator PCB and the TROVIS VIEW software as well as a connecting cable 1400 7699 are necessary Note Actuators with a digital positioner cannot be equipped with resistance transmit ters 1 Remove the fastening screws Push the actuator board 1 from its guiding to the right Take out the board and re place it with a board with positioner 2 Clip the spindle gear 2 onto the sleeve 3 as illustrated at the top of Fig 12 top Make sure the lateral latch is prop erly engaged in the groove of the sleeve 3 Plug intermediate gear 5 onto the spin dle 4 Place the serrated ring 10 on top and push it down as far as it will go Note At this point follow the instructions described in section 5 1 2 on page 18 when a new intermediate plate index 6 is used 4 The gear 12 on the feedback potenti ometer which is equipped with a retain ing ring must be put onto its shaft corre sponding with the rate
17. mit contacts perm load 250 V AC Resistance transmitter 2 0 to 1000 Q 0 to 900 at rated travel max permissible current 1 mA Cable glands M20 x 1 5 with metal nut width across flats 23 24 mm 7 Not for version with positioner 3 Half the transit time possible for actuators with 50 Hz mains frequency 6 EB8331 1 EN Design and principle of operation Digital positioner Operating mode 1 Operating mode 2 Operating mode 3 4 20 mA Ri 0 05 kQ 0 20 mA Ri 0 05 ko Input signal 2 Range 2 10 V Ri 10 ko 0 10 V Ri ko pee settings Resolution 10 Bit Ran 4 20 mA Rg 0 2 lt 0 20 mA Rg lt 0 2 As per settings 3 Position feedback ange 2 10 V Rg gt 5 0 10 V Rg gt 5 por signal 4 Resolution 8 Bit Characisrshe Increasing actuator stem retracts or extends As per settings 3 as the input signal increases Travel Adjustable 6 to 19 mm at 15 mm rated travel 6 to 35 mm at 30 mm rated travel Settin Using travel calibration button As per settings 3 9 1 mm each time the button is pressed using button 1 binary input Electrically isolated switching voltage 18 to 30 V DC approx 7 mA 1 binary output Electrically isolated semiconductor contact max 45 V DC min 3 V DC max 25 mA Integrated interface for SAMSON memory pen PC Data transmission including settings operating
18. nded to the valve s CLOSED position the potentiometer shaft 12 1 has been wrongly positioned Remount it manually 16 8331 1 EN Do not adjust the potentiometer before the closed position is actually reached This is indicated by the associated activated switch on the board Fig 5 on page 13 To proceed adjust the shaft of the potenti ometer 12 1 by turning it gradually clock wise or counterclockwise with a screwdriver until the signal lamp stops blinking and is constantly illuminated Turn the screwdriver counterclockwise if the upper signal lamp 8 blinks and clockwise if the lower signal lamp 9 blinks corresponding to the icons 7 Travel calibration does not continue until both signal lamps are illuminated at the same time NOTICE If both signal lamps start to blink simulta neously during travel calibration interrupt calibration by pressing the travel calibration button 4 and check the mounting position of the potentiometer gear 12 again If no travel motion can be determined during calibration e g due to a loose or missing potentiometer gear both signal lamps blink in alternating sequence If this is the case interrupt travel calibration by pressing the button 4 correct the fault and restart calibration by pressing the but ton 4 again Setting with limited travel range Travel calibration is usually based on the maximum travel of the valve If however the maximum possible
19. ting the settings and establish ing the electrical connection refasten the cover To proceed place back on the cover and screw the cover screws in slightly to po sition the cover before tightening them prop erly Perform settings while the power is switched on 12 Eb 8331 1 EN 4 2 1 Limit contacts 1 Use motor or manual override to move the valve to the position where the switching function is to be activated 2 Use a hex wrench to turn spindle 2 for the upper limit contact or spindle 3 for the lower limit contact until the associ ated contact cam on the cam bracket 7 triggers the switch contact of the upper or lower microswitch 1 4 2 2 Resistance transmitters The gears of the potentiometers 12 and 13 must be put onto their shafts to correspond with the rated travel of the valve The rated travel inscription Nennhub 15 or B or Nennhub 30 or A must be legi ble If this is not the case pull both potenti ometer gears off their shafts and put them back on again with the reverse side of the wheel facing upwards ensuring they are aligned fairly flush with the potentiometer shaft Zero point adjustment 1 Use motor or manual override to move the valve to the desired end position 2 Place a screwdriver on the slotted poten tiometer shaft 12 1 and 13 1 3 Calibrate resistance transmitter using the connected ohmmeter correspondingly Actuator stem extends 81 82 09 91 93 00 Actua
20. to 10 V input and alarm signal 5 Press button 4 to start travel calibra fion Press the button briefly to obtain a travel cal ibration for valve CLOSED when the actua tor stem extends Direction of action Increasing increasing Hold the button pressed for longer than three seconds indicated by switchover from signal lamp 8 to signal lamp 9 to obtain a travel calibration for valve CLOSED when Operation and setting CAUTION The automatic travel calibration lasts approximately twice as long as the actuator s transit time During this period the valve leaves its current position Calibrate the travel either on the test bench or when the shut off valves in the plant are the actuator stem retracts closed Direction of action Increasing decreasing 1 Operating mode 1 12 3 5 6 8 9 2 Selector switch 3 Operating mode2 SAMSON 4 Travel calibration button 2 5 Operating mode 0 10 6 Operating mode 3 7 Potentiometer counter 71 clockwise or clockwise 7 8 Signal lamp 1 3 9 Signal lamp 10 Actuator stem extends and retracts 11 Interface jack 12 Potentiometer gear 12 1 Potentiometer shaft Stellungsregler Positioner R gulateur de position
21. tor stem retracts 81 83 09 91 92 0Q Operation and setting Torque dependent switch Stem retracts Metal tag Stem extends Rated travel inscription 13 13 1 Microswitch Spindle upwards Spindle downwards OUN Intermediate gear 7 Cam bracket 12 Gear potentiometer 1 12 1 Potentiometer shaft 13 Gear potentiometer 2 13 1 Potentiometer shaft Fig 5 Performing settings 8331 1 EN 13 Operation and setting 4 3 Setting the digital positioner In the actuator version with digital positioner the travel is calibrated automati cally allowing the travel controlled variable x and the input signal reference variable w of the positioner to be matched in the best possible way Additionally the digital positioner provides valve position feedback for remote transmission Setting and start up can be carried out using four different operating modes Operating modes 1 and 2 work with set data stored in the positioner s memory The user only needs to select the operating mode via the selector switch 2 and press the button 4 to start travel calibration Note Setup with operating modes 3 and 0 can only be performed using a SAMSON memory pen as the storage me dium or in connection with SAMSON s TROVIS VIEW Configuration and Operator Interface software and a PC or bus system Setup with operating modes 3 and 0 is described in Mounting and Operating In structions EB 8331 2 EN
22. travel is to be limited to a smaller travel end value press the button 4 once at the start of cali bration while the signal lamp blinks for 10 seconds As a result travel calibration via the potentiometer gear with rated travel 15 or 30 is limited to 6 mm Each time the button is pressed the travel range is in creased by 1 mm If for example a valve designed for 15 mm is to be operated with a limited travel range of 10 mm press the button 4 five times during the 10 second time limit The top sig nal lamp 8 flashes each time the key is pressed Reporting defined events At the binary output terminal 83 and 84 predefined events can be indicated see EB 8331 2 EN during positioner operation and transmitted to a control room Retrofitting additional electrical equipment 5 Retrofitting additional electrical equipment CAUTION When installing electrical equipment make sure the power supply and the signal input are disconnected Only use power interrup tion devices which are protected against un intentional reconnection of the power sup ply Note We recommend to apply a small amount of lubricant e g Vaseline to the spindles on the gear faces and to the sides of the cogs The actuator can be subsequently equipped with two limit contacts two resistance trans mitters or a digital positioner Depending on the actuator version used the actuator PCB needs to be replaced as well see sections 5
23. uipment with the new intermediate plate index 6 First follow the instructions described in sections 5 2 5 3 or 5 4 5 1 1 Limit contacts Fig 8 Place tension spring 14 1 on spindle 4 4 4 ensuring that the long wire of the spring rests on the spacer 9 and on the intermediate gear 5 while the short wire is located between spin dle 3 4 3 and spindle 4 4 4 Continue installation following instruc tions in step 8 on page 20 5 1 2 Resistance transmitters or digital positioner Fig 9 Place tension spring 14 1 on spindle 4 4 4 ensuring that the long wire of the spring rests on the intermedi ate gear 5 while the short wire is lo cated between spindle 3 4 3 and spin dle 4 4 4 Place the shim 14 2 on spindle 2 4 2 Then attach the serrated ring 14 3 and push it down as far as it will go Continue installation following instructions in step 4 on page 22 or page 23 Retrofitting additional electrical equipment 5 4 1 Spindle 1 4 2 Spindle 2 4 3 Spindle 3 _ 44 Spindle 4 St N tus 5 Intermediate gear 9 Spacer TT eee D2S 14 1 Tension spring w ET AN E ES SS 7 41 Spindle 1 4 2 Spindle 2 4 3 Spindle 3 44 Spindle 4 5 Intermediate gear 14 1 Tension spring 14 2 Shim 14 3 Serrated ring Fig 9 Installing the resistance transmitters or digital positioner 8331 1 1
24. use wires with a sufficiently large cross section to guarantee that the per missible voltage tolerances are not ex ceeded Limit contacts optional aa 42 51 54 52 od e Load max 25 mA mA V rias V z _ N L MM 31 32 33 13 12 11 81 82 83 84 Magnet in version with LNH fail safe action Position feedback Input voltage is applied Fig 4 Terminal connections version with digital positioner Binary input active when Binary output Power supply EB 8331 1 EN 11 Operation and setting 4 Operation and setting 4 1 Manual operation of the actuator To operate the manual override place a 4 mm hex wrench on the red actuator shaft located at the side of the housing The hex wrench is included in the scope of delivery It is attached to the bottom of the housing Manual override is only possible in actua tors with fail safe action when the power supply is connected terminals N and L Set the selector switch 2 in Fig 6 of the ac tuator with positioner to the operating mode 05 4 2 Setting the additional equipment To access the additional equipment unscrew the four fixing screws on the cover using a Pozidrive PZ2 screwdriver to provide enough hold on the screw heads Take off the cover After comple
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