Mounting and Operating Instructions EB 8330 EN
Contents
1. L n RICK ICK III HH Fig 10 Terminal blocks for electrical connection 5 4 Start up The following applies for a first working simu lation Use handwheel to move actuator stem to wards the center of the travel Connect grounding contactor to grounding contactor clamp Connect supply voltage Start up WARNING N The actuators must only be adjusted electrically or manually within the given travel If you adjust the travel to a value ex ceeding the given values the actuator may be damaged A C motors N 2 clamp 1 L clamp 3 The actuator stem extends from the actuator and moves to CLOSED position closes N 2 clamp 1 L clamp 2 The actuator stem retracts into the actuator and moves to OPEN position opens Three phase a c drive motors External reversing contactors should be used Li 2 damp 1 122 clamp 2 L32 clamp 3 WARNING With the wrong direction of rotation even correctly wired torque switches cannot switch off the motor When testing the operating direction use short term commands only Switch on the supply voltage thus issuing the short term command OPEN CLOSED Check whether the actuator stem moves in the right direction f the actuator stem does not move in the right direction switch motor connections 2 and 3 and repeat test EB8330EN 17 Start up Electric linear actuators Type SAM 01 to 52 Connection diagram Types SAM 01 to2. 52 Switches and potentiometers The travel switch S3 must be adjusted so that it limits the IF a fourth WE S is installed travel of the final control element in the operating direc Only 1 potentiometer POT R1 is possible for plug tion by switching off the motor see section 7 4 Limit type connection switch WE S3 Do not exceed the travel adjusted at the linear actuator 8 HZ 3 lid 3 WE S6 RK m E ANE ot ot M u RI R2 ifc WIN 11213 7 8 1o 1 12 phais pape 19 29 21 22723124 252427 28 29730 313233 u T T mmis Ap With brake Without temperature monitor TW 5 PA 14 es A A TW wT TW TW w MA Mi M M Mi l U 3 3 3 dic Hc 11213 4 5 11213 Als 11213 4 5 1l2l3 415 11213 415 Motor with temperature monitor TW without brake with brake without brake with brake HZ Heating n esistor WE S Travel limit switches DE S Torque limit switches ESR Electronic position transmitter 2l Resistor Type SRH 25 3
3. 01 to 0 02 mA for three wire connection NOTE In three wire connections there is no polarity reversal at zero crossing The device indicates O mA over a range of 8 degrees Therefore you should select a value as small as possible however other than zero e g 0 01 mA Adjusting the 20 mA output signal Move the actuator to the position in which the output current is to be 20 mA Set the output current to 20 0 02 mA using the span adjuster see Fig 16 Check the output signal adjustment for 0 4 mA repeat adjustment if required EB8330EN 23 Adjustment and calibration 7 4 Limit switch WE S 3 Type SAM 20 to SAM 52 Linear Actuators Readjust the cam disc associated with WE S3 so that the actuator switches off after reaching the required travel Actuator stem in OPEN position final po sition Loosen knurled nut slightly so that the cam disc can be moved NOTE When the knurled nut is loose the cam discs may come loose unintentionally thus chang ing the respective switching position Adjust cam disc for WE S3 in opening di rection such that the switch deactivates the actuator check with gauge Retain the position of the cam disc retighten knurled nut manually Check the switching position in a test run it Fig 18 Switch WE S 3 in the background with associated cam disc 24 EB8330EN Electric linear actuators Type SAM 01 to
4. Type SAM 20 to Type SAM 52 Fig 25 Circuit diagram Type SAM 01 to SAM 52 Electric Linear Actuators with positioner 30 EB8330EN Electric linear actuators Type SAM 01 to 52 Maintenance and service Positioner positioning electronics possible RC variants on demand RC S RC Reversing by turning the plug RC Potentio ps H e s ter pl MER E niet 1 CMON A A pa l veo se 54535251 5554575356061 yellow __ ii LIL gray Lp red Input brown V mA violet Oulput blue mA Output V DE WE POT HZ ESR Torque switches Travel switches S3 for travel limitation S4 to S for reporting intermediate positions Potentiometer Heating resistor with temperature monitor Electronic position transmitter Type SAM 20 to 52 only EB8330EN 31 SAMSON AG MESS UND REGELTECHNIK Weism llerstra e 3 D 60314 Frankfurt am Main Telefon 0 69 4 00 90 Telefax 0 69 4 00 95 07 Internet http www samson de EB 8330 EN S CD 07 99
5. cover 26 EB8330EN Electric linear actuators Type SAM 01 to 52 Secure heating resistor to the position in tended for this purpose see Fig 22 using the two self cutting screws supplied with the resistor Secure temperature monitor in the respec tive bore hole of the mounting bracket nut width across flats 7 Connect the flexible lead end of the tem perature monitor and the heating resistor to clamps 7 and 8 Route and mount lines in the actuator such that they are protected from moving or ro tating parts and are not damaged when the cover is removed or replaced Fig 22 Heating resistor bottom thermostatic switch in the background top Electric linear actuators Type SAM 01 to 52 9 Positioner In a c brake motors for 230 V 50 Hz posi tioners can be installed as three step controllers NOTE Under normal conditions positioners are combined with a c brake motors Three phase a c motors require external re versing contactor switches that must be inter locked with the travel and torque switches With these motors start up must be carried out with special care because in the event of an incorrect phase sequence and hence a wrong direction of rotation the limit switches have no effect either They would interrupt the wrong contactor Property damage may occur if the above pre cautions are not observed The positioner is located on the printed circuit bo
6. power consumption of the linear actuator and the required line length Minimum cross section of lines 1 5 mm or according to the local regulations Cross sections of lines that are not large enough are often the cause of sup posed malfunctions Fuse of the system max 6 A Upstream controllers or switching devices must be sized sufficiently If re quired install a coupling relay between them Isolation of the system s power supply to isolate and disconnect the power supply line from the actuator for maintenance and calibration purposes the proper stop controls must be used which guarantee an all pole disconnection except earth when switched off These stop controls must be lockable when switched off and guarded against being switched on unintentionally Use appropriate power supply systems which ensure that no hazardous volt ages may reach the device in standard operation or in case of fault If you do not observe these safety regulations death severe physical injury or considerable property damage may occur EB8330EN 15 Electrical connection 5 1 Removing the cover WARNING N Before you remove the cover and when you perform any maintenance or calibration work you must first dis connect the power supply Protect the actvator against being switched on again unintentionally Unscrew cap nut Remove seal ring Hold the cover and slightly turn while re moving Electric linear act
7. 0 25 50 0 145 0 225 0 7 0 7 0 66 0 93 0 85 0 11 0 29 0 29 04 07 Synchronous motor Asynchronous motor Not required only on request Bimetallic element switch 1 Actuators attached to a positioner require a brake motor EB8330EN 9 Technical data Table 2 Electrical equipment Electric linear actuators Type SAM 01 to 52 Switching and signalling equipment Torque switches DE Switch DE S Two switches S1 and S2 Max 250 VAC Travel switches WE Switch WE S One switch 53 in opening or closing direction Two switches S4 and S5to signal intermediate or final positions Switch S as signal switch optional 1 Load cos 1 max 5 A cos 20 8 max 3 A Lightbulbs max 2 A Potentiometer R Potentiometer R One or two potentiometers RT and R2 110 Q 200 Q 1 ko Load Max 1 5 W Slider current max 30 mA Electronic position transmitter ESR 2 Connection Four wire three wire connection Two wire connection Supply voltage UH 18 to 30 VDC 18 to 30 VDC Max load Ri 50 UH 2 5 Q 50 UH 12 Q Output signal Oto 20 mA or 4 to 20 mA Ato 20 mA Max 30 mA Current consumption Electronic positioner 3 4 0 to 20 mAorOto 10 V Heating resistor Input and output signals With temperature monitor 24 110 230 V DC AC 15 W connected in plug type connections 2 Only for Type SAM 20 to 52 optionally with 3 Only for b
8. 3 kQ is connected upstream at a speed of response of 50 mm min Fig 11 Connection diagram of the Type SAM 01 to Type SAM 52 Linear Actuators 18 EB8330EN Electric linear actuators Type SAM 01 to 52 6 _ Connection examples Connection example 1 three way valve Connection examples Operation with single phase alternating current three step control e Final switch off via switch DE ST limitation in closing direction CLOSED and DE S2 limit ation in opening direction OPEN load dependent NOTE If you want to operate the actuator with only two torque switches DE S1 and DE S2 the associ ated valve must be designed to accept the forces of the actuator Refer to the documentation for the valve If required contact your manvfacturer Connecting the actuator Connect the grounding conductor of the connecting line green yellow wire to the grounding conductor clamp N of connecting line to clamp 1 Control line extending actuator stem CLOSED to clamp 11 Control line retracting actuator OPEN to clamp 14 Insert jumpers from clamp 10 to clamp 3 and from clamp 13 to clamp 2 stem Testing the actuator Usea three step controller to control the actuator Use an isolated screw driver to operate the switching rolls of the switch and check whether the switch actually does deactivate the motor With extending actuator stem gt upper switch DE S1 With retracting actuat
9. 330EN Electric linear actuators Type SAM 01 to 52 1 1 Application The linear actuators operate the final control elements which require a linear travel motion from 15 to 120 mm and a positioning force in the range of 2 to 25 kN The shut off force of the actuators is adjusted permanently The travel however can be modified at a later date 1 2 Versions The electrical components are located sepa rately from the gear underneath the sealed cover where they are protected from dust and can be easily accessed when the cover is removed The basic version of the device comprises Two torque switches DE S1 and DE S2 They switch off the motor when the force ad justed in the actuator is counterbalanced by a corresponding force Thus they protect the final control element from damage and the actuator from overload One travel switch WE S3 for limitation of the travel in the opening direction Two travel switches WE S4 and WE S5 for indicating intermediate and positions of the final control element The following components can be installed optionally A fourth travel switch WE S6 for indicating certain control element positions One or two potentiometers or one electronic position transmitter ESR for analog remote transmission of the final control element s position Application One heating resistor to prevent the forma tion of condensation water underneath the cover when the humidity is high and the
10. 4 Sequential mode 10 Maintenance and service 0 cece cece ee eee eee eens 10 1 Circuit diagram Type SAM with positioner maximum equipment 2 EB8330EN Electric linear actuators Type SAM 01 to 52 Electric linear actuators Type SAM 01 to 52 Safety instructions e Safety instructions The actuators described below are part of a power plant installation for industrial applications They are designed in accordance with the generally applicable technical regulations The connection and start up of the linear actuators requires expert knowledge on the installation of power systems and equipment according to DIN VDE 0100 on accident prevention regula tions and the special start up conditions for linear actuators These measures require qualified personnel According to these Mounting and Operating Instructions qualified personnel is referred to as 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 e g training instruction or authorization to activate deactivate isolate ground and mark de vices systems according to the safety engineering standards training or instruction in accordance with the safety engineering standards regarding main tenance and application of suitable safety equipment first aid training Symbols in these Mounting a
11. 52 7 5 Signal switches WE S4 to WE S6 Type SAM 20 to SAM 52 Linear Actuators You can freely adjust the travel switches WE S4 WE S5 and WE S6 to indicate certain control element positions Fig 19 Switches WE S4 and WE S5 Switch S not installed Activate the required position for each switch Loosen knurled nut Adjust the associated cam disc of each switch accordingly check switching point with gauge Retain the position of the cam disc retighten knurled nut manually Check switching positions in a test run Electric linear actuators Type SAM 01 to 52 Type SAM 01 to SAM 11 Linear Actuators The travel limit switches WE S3 and WE S are mounted on the lateral mounting plate They are operated via the operating cams lo cated at the top end of the actuator stem Depending on the movement of the actuator stem OPEN CLOSED the associated limit switch deactivates the actuator travel You can adjust the switching position at ran dom by moving the respective switch axially over the oblong hole retighten f OPEN PS ei s S3 Actuator stem E T A CLOSED i WA Fig 20 Operating cams WE S3 WE S6 Adjustment and calibration WE S3 Move actuator stem to final position ma nually OPEN actuator stem retracted First the switch WE S3 must be above fro
12. C Table 2 Electrical data Electrical connection Inside terminal strip or terminal strip in terminal box attached to actuator or as compact switch Connected load Single phase a c 230 V 50 Hz Three phase a c 400 V 50 Hz E E Duty cycling 4 30 ED 600 c h Power consumption Type SAM Actuator gt 0 Zu A a Em p Speed of response mm min 15 17 25 50 17 34 13 5 25 Nominal Motor 230 V 50 Hz 0 029 0 16 0 18 0 16 0 18 0 1 0 225 eurrent A Motor 400 V 50Hz 0 015 0 11 0 08 0 11 0 08 0 062 0 11 Motor type Synchronous motor Temperature monitor Not required only on request 8 EB8330EN Electric linear actuators Type SAM 01 to 52 Technical data Mechanical data 30 31 32 33 40 41 42 50 51 52 6 8 12 15 15 20 25 15 20 25 60 120 13 5 25 13 5 50 22 40 25 50 25 50 au 144 72 288 144 72 30 60 133 72 36 72 36 144 92 Arbitrary however motor not vertically suspended No mechanical limit stops anti rotation device tongue and groove Side mounted handwheel M 60x 1 5 M 100 x 1 5 IP 65 according to DIN 40050 20 to 60 C Electrical data Inside terminal strip or terminal strip in terminal box attached to actuator or as compact switch Single phase a c 230 V 50 Hz Three phase a c 400 V 50 Hz Duty cycling S4 30 ED 600 c h 22 23 23 20 21 22 23 40 41 42 32 33 33 30 31 32 33 50 51 52 13 5 22 50 4
13. Electric Actuators Linear Actuator Type SAM 01 to SAM 52 Fig 1 Type SAM 20 Linear Actuator rated travel 30 mm nominal thrust 6 kN Mounting and Operating Instructions EB 8330 EN Edition April 1999 Contents Contents Safety instructions cee eee c eee nennen nennen nenn 1 Principle of operation 0 cece eee nennen nen en 1 1 Application 1 2 Versions 1 3 Function 1 3 1 Electrical equipment 2 Technical dafea coe ey ed e E tc eR REOR We hate aes 3 Dimensions lees 4 installation sic ca eae ooh Rh ar 4 1 Installation requirements 4 2 Mounting position 4 3 Attaching the actuator to a control valve 4 4 Manual operation 5 Electrical connecti h ioo erts XE hh Ca iri n 5 1 Removing the cover 5 2 Establishing the connection 5 3 Start up 6 Connection examples e cece cee cece eeeeeceees Connection example 1 three way valve Connection example 2 globe valve 7 Adjustment and calibration 0 0 e cece e eee e eters 7 1 Travel 7 2 Potentiometer 7 3 Electronic position transmitter 7 4 Limit switch WE S3 7 3 Signal switch WE S4 to WE S6 8 Additional electrical equipment ee cece eee eees 8 1 Heating 8 1 1 Retrofitting the heating resistor 9 Positioners 6 6 cee ccc eee ee cece eee e eee N E 9 1 Electrical connection 9 1 1 Connecting the control line 9 1 2 Feedback signal 9 2 Corrections with potentiometer A and B 9 3 Reversing 9
14. actuator Usea three step controller to control the actuator Use an isolated screw driver to operate the switching rolls of the switch and check whether the switch actually does deactivate the motor With extending actuator stem gt upper switch DE S1 With retracting actuator stem gt lower switch DE 52 and switch WE S3 If required switch the motor supply jumpers on the clamps 2 and 3 HZ DE DE WE S1 2 S3 bd SZ v1 oh oR oh Mt Ae ec R m 7 8 1011 123 13 14 15 16 17 18 EN Signal I CLOSED OPEN Fig 13 Circuit diagram connection example 2 HZ Heating resistor DE S1 Torque limit switch S1 position CLOSED DE S2 Torque limit switch S2 position OPEN WE S3 Travel limit switch S3 position OPEN 20 EB8330EN Electric linear actuators Type SAM 01 to 52 7 Adjustment and calibration 7 1 Travel On delivery the linear actuator is adjusted and calibrated to the travel indicated in the ordering text If required you can change or readjust the factory adjusted travel The slotted lever connected to the actuator stem is equipped with travel markers The scale inside indicates the adjustable travel values To adjust the travel the actuator stem must be extended all the way to final position so that
15. als re quired to operate the actuator are avail able Electrical lines are de energized Pipelines are depressurized and cold Choose the attachment position of the linear actuator so as to ensure the following The actuator can be easily accessed There is sufficient space to remove the cover see 3 Dimensions The actuator is protected against excessive heat radiation The ambient temperature is in the range from 20 to 60 C If installed outdoors the actuator must be pro tected with an additional cover e g against humidity rain snow heat direct sunlight cold frost excessive draft dust etc When ambient temperatures are subjected to strong fluctuations and if the humidity is high we recommend installing a heating resistor to minimize the formation of condensate in the housing see 8 1 Heating If installed in an environment with a high pol lutant concentration e g in areas with a high traffic volume industrial areas near coastal regions the external actuator parts must be made of non corrosive material and be coated with a special finish 12 EB8330EN Electric linear actuators Type SAM 01 to 52 4 2 Mounting position The mounting position is arbitrary however the linear actuator must not be vertically sus pended When mounted with the actuator stem in hori zontal position the yoke must be mounted such that its two rods are positioned vertically one on top o
16. am bient temperatures fluctuate considerably At an inside temperature of gt 60 C the heating resistor deactivates the heating via a temperature relay it reactivates the heat ing at a temperature of lt 40 C One electronic positioner for the analog control O 2 to 10 V O 4 to 20 mA only for 230 V 50 Hz AC motors 1 3 Function The rotary motion of the motor is transferred to the gear wheel with a female thread via the gearing The piston rod with the matching male thread engages the female thread An anti rotation device secures the rod and prevents it from ro tating The piston rod performs a linear motion either pulling or pushing when the female threaded gear wheel is turned via the motor gear EB8330EN 5 Electrical equipment 1 3 1 Electrical equipment The electrical equipment is located under neath the removable housing cover In addition to the torque switches DE S1 and DE S2 as well as three travel switches WE S3 S4 and S5 the actuator can be equipped with the following switching elements and measur ing instruments One travel switch WE S6 Two potentiometers POT R1 and POT R2 One electronic position transmitter ESR One posifioner The axial movement of the actuator stem is transferred via adjusting lever and slider to the driving lever The driving lever then pro duces a proportional rotary motion via gear wheel as a measure for the two RI and R2 potentiometers or the ESR pos
17. ard above the motor final controlling ele ment and terminal strip see Fig 23 Fig 23 Location of the positioner Positioner When the cover is removed the components for connection adjustment and readjustment can be easily accessed The positioner controls the actuator via a load independent d c current or voltage signal as reference variable The respective rated travel is assigned to the reference variable The controlled variable actual value and the ref erence variable set point in the range of 0 to 10 VorOto 20 mA are compared with each other If the actual value deviates from the set point a manipulated variable is generated to con trol the actuator until set point and actual value match For signal feedback actual value POT R1 1 kQ Poti of the actuator is used NOTE The actuator is adjusted as factory default to the given control range and travel Electrical connection with positioner See also section 10 1 Circuit diagram Type SAM with positioner DANGER Observe the safety regulations gov h erning handling of electrical systems 9 1 as described in section 5 Electrical connection Connect grounding conductor of the supply line to the grounding conductor clamp Directly grounded conductor N of the supply voltage to clamp 1 Permanent phase L operating voltage to clamp 54 of the positioner s circuit board EB8330EN 27 Posi
18. f the other Fig 6 Mounting position with horizontal actuator stem 4 3 Attaching the actuator to a control valve On delivery the actuator stem is extended to the lower final position Prior to assembly check the following Does the technical data of the linear actua tor match the application requirements Is the valve complete yoke on the actuator or on the valve Are the coupling parts aligned s the linear actuator ready with ring nut and coupling parts for attachment to the valve Electric linear actuators Type SAM 01 to 52 If required are additional accessories al ready installed in the actuator Does the operating voltage to be connected match that of the actuator Does the data on the name plate match the motor data Does the adjusted travel of the actuator or the travel to be adjusted also match the valve travel 1 Actuator stem 6 Travelindicator scale 2 Coupling 7 Ringnut 3 Coupling nut 8 Actuator 4 Locknut 9 Yoke 5 Plug stem Fig 7 Assembly detail Installation Procedure Insert plug stem 5 into the valve as far as it will go Move actuator stem 1 to mid position see 4 4 Manual operation Place actuator 8 on the valve bonnet and secure with ring nut 7 allow to fall over the stem when placing Push plug stem 5 up connect coupling nu
19. he valve travel The potentiometers and the electronic position transmitter are adjusted to the required travel They can be readjusted see section 7 Adjust ment and calibration Fig 3 Switches and potentiometers Electrical equipment Positioner In combination with three phase synchronous a c or brake motors for 230 V 50 Hz a po sitioner may already be installed as factory default see section 9 Positioner Input signals 4 0 to 20 mA or 0to 10 V When the actual value deviates from the set point a manipulated variable is generated to control the actuator Fig 4 Positioner EB8330EN 7 Technical data Electric linear actuators Type SAM 01 to 52 2 Technical data Table 1 Mechanical data Type SAM 01 10 11 12 13 20 21 22 23 Nominal thrust kN 2 2 3 5 45 6 6 8 12 15 Rated travel mm 30 Speed of 17 13 5 non mm min 15 17 25 50 34 13 5 25 50 22 40 e 106 133 Transit time at rated travel s 120 106 72 36 53 133 72 36 82 45 Adjusted travel mm 15 TR 53 67 40 Transit time s 60 53 36 18 26 67 36 18 22 5 Mounting position Arbitrary however motor not vertically suspended Actuator stem No mechanical limit stops anti rotation device tongue and groove Handwheel Side mounted handwheel Connecting thread M 30x 1 5 Degree of protection IP 65 according to DIN 40050 Perm ambient temperature 20 to 60
20. his turn the potentiometer shaft counterclockwise until the stop can be just felt Move actuator by the adjusted travel to the final position actuator stem retracted OPEN The potentiometers are then ro tated into the other final position Use a measuring instrument ohmmeter to monitor the potentiometer movement and check whether the entire potentiometer range is being covered NOTE If the potentiometers reach the end stop when reaching final position the sliding clutch be tween potentiometer and pinion reacts and prevents damage However a distinct repro ducibility of the measuring results is not given anymore In this case a correspondingly higher travel must be adjusted via the slider and the adjust ing lever see section 7 1 Adjusting the travel For actuators with installed electric positioner R1 is internally linked to the controller Its re sistance value is therefore not transmitted to the outside for indication 22 EB8330EN Electric linear actuators Type SAM 01 to 52 7 3 Electr position transmitter Type SAM 20 to 52 Linear Actuators can be equipped with an electronic position transmit ter ESR in place of the two R1 R2 poten tiometers The transmitter s output signal indicates via output current in the range from 4 0 to 20 mA the position of the final control ele ment Therefore it is especially suited for remote transmission of the position Operating mode The p
21. ing and appropriate storage including attachments and installation as well as care ful operation and maintenance You are required to ensure the following Only qualified individuals must be assigned to work on this device These individuals are required to read and have understood the Mounting and Operating Instructions supplied with this product as well as the product informa fion These Mounting and Operating Instructions must always be available Make sure that the respective individuals strictly observe the instructions listed for any work to be performed Where applicable tools and measuring instruments must be used properly and in accordance with their intended purpose If required use your own pro tective gear Work on this device or near this device must not be performed by unqualified personnel l Principle of operation The Type SAM Electric Linear Actuators are Special features equipped with reversible a c or three phase Nominal thrust from 2 to 25 kN a c motors The rotary motion of the motor is Rated travel 15 30 60 or 120 mm transferred to the actuator stem via a gear unit and the corresponding transfer elements where it is converted into a linear On Off motion Speed of response 13 5 to 50 mm min A c motor 230 V 50 Hz or three phase a c motor 400 V 50 Hz In case the electrical power fails you can _ Degree of protection IP 65 operate the actuator manually 4 EB8
22. itioner The cam discs located on the axis of the gear wheel operate the switches WE S3 WE S4 WE S5 and WE S6 Fig 2 Function of switches and potentiometers travel transmission 6 EB8330EN Electric linear actuators Type SAM 01 to 52 DE S1 DE S2 WE S3 DE S1 switches off the motor depending on the torque when the actuator stem extends final control element CLOSED DE S2 switches off the motor depending on the torque when the actuator stem retracts final control element OPEN provided that the final control element can be subjected to load in ON position NOTE The switching points of DE S1 and DE S2 are factory default and cannot be modified WE S3 switches off the motor depending on the travel when the actuator stem retracts final control element ON provided that the actuator stem has completed its travel as indicated in the ordering text WE S4 WE S5 WE S6 The travel switches WE 4 WE S5 and some times WE S6 are not adjusted If required they can be adjusted retrofitted as limit or signal switch see section 7 Adjustment and calibration Electric linear actuators Type SAM 01 to 52 POT R1 POT R2 ESR The actuators can be equipped with two potentiometers POT R1 and POT R2 or with the Types SAM 20 to SAM 52 with a position transmitter ESR that has an output signal of 4 0 to 20 mA Both versions enable the analog remote trans mission of t
23. m the operating cam WE S6 Move actuator stem to final position ma nually CLOSED actuator stem re tracted First the switch WE S must be below the operating cam For both cases Loosen the mounting screws of the respec tive switch from the back side so that the switch may be operated Push the switch up down until the operating cams switch off the actuator depending on the travel check with a gauge Retighten mounting screws Check switching position in a test run EB8330EN 25 Additional electr equipment 8 Additional electr equipment 8 1 Heating We recommend the installation of a heating resistor to prevent condensate from forming underneath the cover for instance in appli cations with strongly fluctuating ambient tem peratures high humidity and in outdoor ap plications The heating resistor R is controlled via a thermostatic switch TW bimetallic element switch A continuous operation voltage is re quired for operation indicate when ordering The switch off temperature is approximately 60 C the re start temperature 40 C Fig 21 Heating resistor R and thermostatic switch TW circuit diagram For power supply connect the heating resistor with thermostatic switch to clamps 7 and 8 8 1 1 Retrofitting the heating resistor You can install and connect a heating resistor ata later date Remove
24. n is clockwise the actuator stem extends IF the direction of rotation is counterclock wise the actuator stem retracts The linear actuator then switches automat ically back to motor operation as soon as you release the disengaging stem 14 EB8330EN Electric linear actuators Type SAM 01 to 52 Actuator stem Actuator stem retracts extends dry TI 1 E827 Fig 8 Manual operation Electric linear actuators Type SAM 01 to 52 Electrical connection 5 Electrical connection A 1 DANGER The connection and start up of the linear actuators requires expert knowledge on the installation of power systems and equipment according to DIN VDE 0100 on accident prevention regulations and the special start up conditions for linear actuators This type of work must be performed by qualified personnel only see p 3 Safety instructions Be sure to disconnect the voltage prior to connecting the actuator to the power supply Ensure that the voltage cannot be switched on again accidentally When installing the local lines and establishing the connection you are re quired to observe the DIN VDE regulations as well as the regulations of your local energy supplier Be sure to check that the mains supply voltage and the system frequency match the data on the name plate of the linear actuator as well as the actua tor s name plate The cross section of line must be sized in accordance with the respective
25. nd Operating Instructions Please observe the following special symbols used in these Mounting and Operating In WARNINGI Arschane Indicates a potentially hazardous situ ation which if not avoided could re NOTE sult in property damage or even per Here you will find supplementary details in sonal injury formation and tips Electrical or live parts are unprotected and Certain safety related information or instruc freely accessible Risk of death tions are brought to your attention I se IN ecri Ind p Indicates a potentially hazardous situ i Paci a One 5 duin freely accessible ation which if not avoided may h cause property damage If instructions as per these Mounting and Operating Instructions are not followed death or serious injury and property damage may result EB8330EN 3 Principle of operation Electric linear actuators Type SAM 01 to 52 DANGER During installation and operation suitable power supply systems must be used to ensure that hazardous voltages are prevented from energizing the device in standard operating mode or in case of a faulty system or system parts Otherwise personal injury and or property damage may result Any hazards which could be caused by the process medium the signal pressure and moving parts of the control valve are to be prevented by means of appropri ate measure The proper and safe operation of this device depends on the proper shipp
26. or stem gt lower switch DE S2 If required switch the motor supply jumpers on the clamps 2 and 3 HZ DE DE WE S1 S2 S3 M MEME D 11213 7 8 hof 13 1 4 15 pep ie i Signal i CLOSED OPEN Fig 12 Circuit diagram connection example 1 HZ Heating resistor DE S1 Torque limit switch S1 position CLOSED DE S2 Torque limit switch 52 position OPEN WE S3 Travel limit switch S3 position OPEN EB8330EN 19 Connection examples Connection example 2 globe valve Electric linear actuators Type SAM 01 to 52 Operation with single phase alternating current three step control e Final switch off actuator stem extending from the actuator direction CLOSED load de pendent via switch DE S1 e Final switch off actuator stem retracting in the actuator direction OPEN load dependent via switch DE S2 connected in series with switch WE S3 Connecting the actuator Connect the grounding conductor of the connecting line green yellow wire to the grounding conductor clamp N of connecting line to clamp 1 Control line extending actuator stem CLOSED to clamp 11 Control line retracting actuator OPEN to clamp 14 Insert jumpers from clamp 10 to clamp 3 from clamp16 to clamp 2 and from clamp 13 to clamp 17 stem Testing the
27. osition transmitter can be operated in two modes Use the mode selector switch to select Nor mal mode or Reverse mode 1 Controls 2 1 Operating mode 2 Span Fig 16 Electronic position transmitter adjusters for operating mode and span NOTE The adjuster for the operating mode must al ways be in the final position of Nor mal Reverse otherwise lower and upper range value cannot be adjusted Electric linear actuators Type SAM 01 to 52 Normal mode Rising characteristic when rotating the drive gear wheel clockwise Falling characteristic when rotating the drive gear wheel counterclockwise Normal mode Span adjustment upon delivery Maximum span Minimum span Span infinitely adjustable in this range Fig 17 Span range of adjustment Adjustment and calibration Reverse mode Rising characteristic when rotating the drive gear wheel counterclockwise Falling characteristic when rotating the drive gear wheel clockwise NOTE With reverse final control elements the posi tion of the extended actuator stem corre sponds to the final position OPEN Adjusting the 0 or 4 mA output signal Move actuator in the position in which the out put current is to be O or 4 mA Turn black adjustment wheel against the white drive gear wheel to adjust the output current to 3 98 to 4 02 mA for two wire connection 0
28. otentiometer B for lower set point mark Turn clockwise travel becomes longer The red LED signalizes actuotor in final posi tion no manipulated variable is generated the set point has been reached Electric linear actuators Type SAM 01 to 52 9 3 Reversing By turning the reversing plug see Fig 24 the direction of rotation is reversed by 180 de grees i e the motor s direction of travel is reversed with regard to the set point Disconnect actuator from the supply voltage Remove reversing plug turn by 180 de grees and plug back in Reconnect actuator to supply voltage If required correct with Poti A or B 9 4 Sequential mode You can also operate the positioner in sequen tial mode The lowest range is 2 V or 4 mA The position of the sequence within the range of O to 10 V or A to 20 mA is arbitrary Use the trimming potentiometers A and B to adjust the respective final value The upper range value must be adjusted first Use the potentiometer A to adjust the upper range sequential mark Use the potentiometer B to adjust the lower range sequential mark Maintenance and service 10 Maintenance and service WARNING AN Bere you remove the cover and prior to any maintenance and adjust ments disconnect the supply voltage to the actuator Ensure that the actuator cannot be switched on again accidentally The gearing and the actuator stem must be re lubricated af
29. rake motors or synchronous motors reversing contactors are required 10 EB8330EN 1 Only for Type SAM 20 to 50 Provided S is connected only one potentiometer R1 can be PENET R1 R2 or position transmitter ESR or 230 V 50 Hz for three phase a c motors external Electric linear actuators Type SAM 01 to 52 Dimensions 3 Dimensions Table 3 Dimensions in mm and weights Type SAM 01 13 SAM 20 23 SAM 30 33 SAM 40 42 SAM 50 52 Rated travel mm 30 30 60 60 120 H 262 277 300 323 1 377 417 H1 34 34 54 54 92 H2 max 90 90 165 165 315 H3 160 175 175 198 187 227 D 145 184 216 DI 16 16 22 40 40 D2 Thread M30x1 5 M30x 1 5 M60x1 5 M60x1 5 M100x2 P 74 130 t 40 60 Weight approx in kg 5 6 7 15 19 1 Values in parentheses for linear actuators attached to positioners Dimensional drawing A i min H3 E 7 QD t 1 m H3 H CUM 2I se loo we d al AH 3 E 1 Minimum clearance to ensure that the cover can still be removed after the actuator has been installed Fig 5 Dimensions of linear actuators Type SAM 01 to SAM 52 EB8330EN 11 Installation 4 Installation 4 1 Installation requirements Prior to installation make sure that the follow ing requirements are met Proper voltages and control sign
30. t 3 and actuator stem 1 via the coupling halves 2 and tighten with screws Move actuator stem 1 to the final position by turning the handwheel clockwise Align travel indicator scale 6 with the tip of the coupling 2 and screw tight Tighten the plug stem 5 with the lock nut 4 against the coupling nut 3 CAUTION Do not press valve plug or final control element onto the seat and turn This could cause the final control ele ment and the actuator to be damaged The linear actuator can be attached similarly to other final control elements e g butterfly valves with attached pedestal EB8330EN 13 Installation 4 4 Manual operation In case the energy supply fails or when in stalling and adjusting the actuator the actua tor stem can be retracted or extended ma nually CAUTION Do not operate the handwheel when the motor is in motion Do not override the adjusted travel range with the handwheel Observe the rated travel otherwise the actua tor could be damaged This applies especially to an uninstalled actuator Use the disengaging stem to unlock the motor and actuator stem and move the stem using the side mounted handwheel If the actuator is installed vertically push down the disengaging stem in the direction of the extending actuator stem Turn the handwheel alternately counter clockwise clockwise until it engages no ticeably f the direction of rotatio
31. ter approx 200000 double strokes We recommend the following lubri cants Standard and tropics version Kl ber Microlube GL 261 Oxygen version BARRIERTA L55 3 OX Do not attempt to repair the linear actuator on site Defective actuators must be sent together with a fault report including the product num ber to SAMSON AG EB8330EN 29 Maintenance and service Electric linear actuators Type SAM 01 to 52 10 1 Circuit diagram Type SAM with positioner maximum equipment Two wire connection Four three wire connection ala 25 2427 28 HZ DE DE WE WE WE Output WE S1 2 S3 S4 S5 mA S6 i 24V Suppl MEN A A pply M RUM Im N iN Q N a a POT POT od RI R2 R 7 8 nomma iiA penne 192021 pzp3pa4 252627 28p9 0 31 32 33 Mp N L yelow _ _ P Lo gay red z brown M violet _ blue z The circuit diagram shows the maximum equipment Input O 4 to 20 mA or O 2 to 10 V is determined by the manufacturer as per order Auxiliary power connection 230 V to clamps 54 L and 55 Mp N Electronic position transmitter ESR only for
32. the two adjustment levers are in parallel final control element CLOSED travel indicator at the bottom mark Procedure Use a wrench to loosen flat nut from the slider Move slider between the two slotted levers thus setting the desired travel according to the marks Secure slider with the flat nut again Move position marks on the yoke to the new final positions NOTE The travel is infinitely variable however in accordance with the data indicated on the name plate i e positions between the marks can also be set After changing the travel the limit switch WE S3 must also be readjusted see 7 4 Limit switch WE S3 Adjustment and calibration Fig 14 Travel adjustment 7 2 Adjusting the potentiometer Depending on the version the actuator can be equipped with one or two potentiometers POT R1 and POT R2 see Fig 15 When the actuator stem is in OPEN CLOSED position the potentiometers POT R1 and POT R2 must each be in final position Fig 15 Potentiometer R1 R2 EB8330EN 21 Adjustment and calibration You can readjust the two potentiometers Use handwheel to move the linear actuator to the final position actuator stem ex tended CLOSED until DE S1 switches Adjusting lever and driving lever must be in parallel in their tilted position Use an appropriate screwdriver to move the slider of the potentiometers to final position For t
33. tioner 9 1 1 Connecting the control line For the connection of the lines refer to section 5 2 Establishing the connection NOTE To keep the influence of the disturbing pulse as small as possible the control signal set point must be routed to the actuator via sep arate line with tin plated copper braiding as screening Control voltage 0 2 to 10 V Clamp 57 Clamp 56 Control current O 4 to 20 mA Clamp 57 Clamp 59 10 V 20 mA Actuator stem up OPEN 2 V 4 mA Actuator stem down CLOSED 9 1 2 Feedback signal You can measure the actual value either as Voltage O 2 to 10 V Clamp 58 Clamp61 or Current O 4 to 20 mA Clamp 58 Clamp 60 The output signal always corresponds to the input signal at a tolerance of approx 200 mV or 0 2 mA compared to the input The feedback signal is in the same direction i e an increasing input signal set point also causes an increasing feedback signal The feedback signal must not be adjusted and is not electrically isolated from the input 28 EBS330EN Electric linear actuators Type SAM 01 to 52 Fig 24 Potentiometer A and B Poti B on left Poti A on right reversing plug in background 9 2 Corrections with potentiome ters A and B An LED simplifies the adjustment of the final points Potentiometer A for upper set point mark Turn clockwise travel becomes shorter P
34. uators Type SAM 01 to 52 Fig 9 Type SAM 20 Actuator cover removed DANGER Linear actuators with the cover removed may only be operated for short periods e g for limit switches or position electronics During these activities hazardous energized unin h test runs or essential calibration work on electric components such as potentiometers sulated moving and rotating parts are easily accessible If the calibration is performed improperly or without the required caution death severe physical injury or property lamage may result This type of work may only be carried out by qualified personnel see p 3 Safety in structions The operation of the actuator with the cover removed for a purpose other than the one described above is prohibited 16 88330 EN Electric linear actuators Type SAM 01 to 52 5 2 Establishing the connection NOTE For the electrical connection refer to the circuit diagram displayed inside the lid When installing electric lines you are required to observe the regulations governing power plant installations Especially with 24 V actuators you should make sure that the line cross sections are sufficiently sized and that there is enough reserve capacity left in the transformer Route and secure the lines in the actuator such that they are protected from moving or rotating parts and cannot be damaged when removing or replacing the cover gt
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