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Siemens

Actuators SAS.., SAT.. for valves

CE1P4041en

Building Technologies

Functions and control

2015-05-19

4.2.2  Position feedback U

The position feedback U (DC 0...10 V) is always proportional to stroke H of the
actuator’s stem.

Actuator

Positioning signal Y, Z

Actuator

Position feedback U

lin = linear

log = equal-

percentage

Actuator

Positioning signal Y, Z

Actuator

Position feedback U

Y, Z

Positioning signal

H

Stroke

U

Position feedback

4.2.3 Calibration

To match the actuator to production-related mechanical tolerances of the individual
valves and to guarantee accurate positioning and position feedback, a calibration
should be performed when the plant is commissioned (page 20). During
commissioning, the actuator detects the valve’s end positions and files the exact
stroke in its internal memory.

Calibration takes place in the following phases:

·

  Actuator drives to the upper end position (1),

valve closes. Detection of upper end position.

·

  Actuator drives to the lower end position (2),

valve opens. Detection of lower end position.

·

  The detected values are stored (3). Then the

actuator follows the positioning signal.

Observe status indication (LED) during and after calibration (page 34).

Note

Содержание Acvatix SAS31.03

Страница 1: ...SAS31 03 SAS61 53 SAS61 33 Acvatix Actuators SAS SAT for valves Basic Documentation CE1P4041en 2015 05 19 Building Technologies ...

Страница 2: ...19 Siemens Switzerland Ltd Building Technologies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Phone 41 41 724 24 24 www siemens com buildingtechnologies Siemens Switzerland Ltd 2015 Technical specifications and availability subject to change without notice ...

Страница 3: ...ries 10 2 6 1 Electrical accessories 10 2 6 2 Mechanical accessories 10 2 7 Product replacements 10 2 7 1 Stroke actuators SAS SAT to SQS 10 2 7 2 Electrical accessories 11 2 8 Spare parts 11 2 9 Sizing 12 2 9 1 Parallel operation of actuators 12 2 9 2 Permissible cable length and wire cross sectional area 12 2 10 Warranty 13 3 Handling 14 3 1 Mounting and installation 14 3 1 1 Mounting positions ...

Страница 4: ...ing 31 4 3 3 Fail safe function 32 4 3 4 Manual adjuster 33 4 3 5 Indicators 34 4 3 6 Electrical accessories 35 4 3 7 Mechanical accessories 35 5 Technical data 36 6 Connection diagrams and dimensions 38 6 1 Internal diagrams 38 6 2 Connection terminals 39 6 2 1 Actuators 39 6 2 2 Electrical accessories 40 6 2 3 Cable labeling 40 6 3 Connection diagrams 41 6 4 Dimensions 42 6 4 1 Stroke actuators ...

Страница 5: ...T4581X2 T4584X2 Environmental Declaration E4581 E4584 1 4 Before you start 1 4 1 Trademarks The table below lists the third party trademarks used in this document and their legal owners The use of trademarks is subject to international and domestic provisions of the law Trademarks Legal owner Acvatix TM Siemens Switzerland Ltd All product names listed in the table are registered or not registered ...

Страница 6: ... carefully and in full We assume that persons using our products and documents are authorized and trained appropriately and have the technical knowledge required to use our products as intended More information on the products and applications is available On the intranet Siemens employees only at https workspace sbt siemens com content 00001123 default aspx From the Siemens branch office near you...

Страница 7: ...ke for assembly of actuator and seat slipper valve SAS SAT SAS SAT SAS 5 SAT 5 SAS 33 A1 Manual adjuster with slide switch A2 Dummy cover without manual adjuster A3 Manual adjuster without slide switch B Cable glands M16 M20 C Position indication D Status indication SA 61 0 10 V E Housing cover F Housing G Valve stem coupling H Housing of spring return 2 2 Use For use in connection with Siemens 2 ...

Страница 8: ...S55158 A102 5 8 5 0 VA 5 no 1 SAS81 00 S55158 A103 AC DC 24 V 3 position 2 2 2 0 VA 5 120 s no yes 1 SAS81 00U S55158 A103 A100 2 2 2 0 VA 5 2 SAS81 03 S55158 A104 2 5 2 1 VA 5 30 s 1 SAS81 03U S55158 A104 A100 2 5 2 1 VA 5 2 SAS81 33 S55158 A105 3 4 2 4 VA 5 yes 14 s 6 1 SAS81 33U S55158 A105 A100 3 4 2 4 VA 5 2 SAT31 008 S55158 A119 AC 230 V 3 position 5 0 2 5 VA 5 8 s no yes 1 3 SAT31 51 S55158...

Страница 9: ...1 2 B 10 400 400 VVG44 32 16 VXG44 32 16 32 G 2 B 16 250 250 VVG44 40 25 VXG44 40 25 40 G 2 1 4 B 25 125 125 PN 25 VVG55 SAS Medium 1 130 C DN G kvs ps pmax Data sheet N4379 Inch m 3 h kPa kPa VVG55 15 1 15 G 3 4 B 0 25 0 4 0 63 2500 1200 VVG55 15 1 15 G 3 4 B 1 1 6 2 5 2000 1200 VVG55 20 4 20 G 1 B 4 1000 1000 VVG55 25 6 3 25 G 1 1 4 B 6 3 800 800 1 insert kvs value 2 5 2 2 port 3 port threaded v...

Страница 10: ... stable control The replacement of accessory items needs to be taken into consideration also In that case compatibility is not necessarily ensured 2 7 1 Stroke actuators SAS SAT to SQS SQS SAS SAT VVG44 VXG44 VVG55 VVG549 Pos time Pos force Pos time Pos force Product no OEM s N Product no s N DN15 40 DN15 25 DN15 25 SQS35 00 SQS359 00 189 150 400 SAS31 00 120 400 P P SQS35 000C P P SQS35 00SL P P ...

Страница 11: ... of the actuator and the valve stem as air circulation must be ensured Non observance of the above may result in accidents and fires Do not touch the hot parts without prior protective measures to avoid burns Stroke actuators SQS SAS ASC9 6 Auxiliary switch ASC9 6 ASC10 51 2 8 Spare parts The following spare parts are available Stock number Description 8000069479 Housing cover with screws and ligh...

Страница 12: ... the cable length and the wire cross sectional area adherence to the permissible operating voltage tolerance at the actuator is of importance in addition to the permissible voltage drop across the operating voltage and signal lines see table below Product no Operating voltage Terminal Max permissible voltage drop SA 31 AC 230 V N Y1 Y2 2 each total of 4 SA 61 AC DC 24 V G0 Y U 1 each at DC 0 10 V ...

Страница 13: ...ssible voltage drop wire Formula for wire length AC 230 V 2 of AC 230 V L 46 P A 1313 m AC 24 V 4 of AC 24 V L P A 1313 m 1 of DC 10 V L DC I A 5 47 m A Cross sectional area of wire in mm 2 L Permissible wire length in m P Power consumption in VA AC or W DC see actuator s rating plate I DC DC current part in A on G0 wire 2 10 Warranty The engineering data specified in chapter 2 5 Equipment combina...

Страница 14: ...stallation 3 1 1 Mounting positions Indoor use Outdoor use 1 1 Only in connection with weather shield ASK39 2 housing protection IP54 remains unchanged 3 1 2 Fitting stroke actuators SAS to threaded valves First observe chapter 3 1 1 Mounting positions 1 2 3 tighten firmly by hand 1 2 3 tighten firmly by hand SAS 0 SAT 0 SAS 5 ...

Страница 15: ...ge 10 3 Disconnect actuator auxiliary switch from power Attention if AC 230 V connected danger of life 4 Only required with actuators without fail safe function Using the manual adjuster drive the actuator s stem to the fully retracted position and fix the coupling See Manual operation and Fixing the position page 33 5 To fit an auxiliary switch the housing cover must be removed and the M16 knock ...

Страница 16: ...ry switch 1 screw First observe Special notes on mounting page 15 1 2 3 No 1 4 Adjust switch position refer also to Manual adjuster page 33 Without fail safe function SA 1 0 With fail safe function SA 1 3 SA 1 5 5 No 1 When initial situation 0 Ω When initial situation Ω Auxiliary switch ASC10 51 Plug in space for accessory ...

Страница 17: ...switch page 21 First observe Special notes on mounting page 15 Scope of delivery Weather shield ASK39 2 2 UV proof cable ties To protect the actuator from weather effects when used outdoors the weather shield must always be fitted The housing protection IP54 remains unchanged If fitted several times 2 UV proof cable ties 700 x 7 mm must be used when fitted again The manual adjuster cannot be used ...

Страница 18: ...ed before as follows A EU M20 US Connection actuator B EU M16 US Connection accessories Cable glands not contained in scope of delivery Metric Metric Inch thread M16 M20 Without cable gland IP protection is not guaranteed Guide the cable in a loop to the cable gland so water can drop off Prior to installation the following preconditions must be satisfied Actuator is mechanically connected to a Sie...

Страница 19: ...tors SAS SAT for valves CE1P4041en Building Technologies Handling 2015 05 19 1 No 4 2 PZ 2 3 4 5 6 Observe Connection terminals page 39 1 No 3 2 3 4 Observe Connection terminals page 39 Actuator Auxiliary switch ASC10 51 ...

Страница 20: ...overload protection responds Observe information given in chapter 4 2 1 Positioning signal and flow characteristic selection page 26 Before making the function check the following preconditions must be satisfied Environmental conditions specified in chapter Technical data page 36 Actuator is mechanically connected to a Siemens valve Actuator is in Automatic mode page 33 Actuator and if required ac...

Страница 21: ...ndle turns in counterclockwise direction Closing Opening No voltage at Y1 and Y2 Actuator s stem maintains the position Actuator s spindle maintains the position Maintains the position Only SAS31 50 SAS31 53 SAS81 33 SAS81 33U SAT31 51 No voltage at G and G0 fail safe function 1 Actuator s stem retracts until end position is reached Closing Opening 1 Closing action is always completed first also w...

Страница 22: ...onnections from the terminals The actuator must be correctly fitted to the valve before recommissioning 3 2 3 Disposal The products contain electrical and electronic components and must not be disposed of together with domestic waste This applies in particular to the printed circuit board Legislation may demand special handling of certain components respectively it may be sensible from an ecologic...

Страница 23: ...y actuator Control path valve AàAB Bypass valve B à AB Voltage at Y1 Actuator s stem extends Actuator s spindle turns in clockwise direction Opening Closing Voltage at Y2 Actuator s stem retracts Actuator s spindle turns in counter clockwise direction Closing Opening No voltage at Y1 and Y2 Actuator s stem maintains the position Actuator s spindle maintains the position Maintains the position No v...

Страница 24: ...tioning times Stroke of valve actuator combination mm Positioning time sec Legend diagram A Mechanical end position in actuator B Valves with 5 5 mm nominal stroke X Time to override idle stroke delay time see glossary Deviations occur after several positioning signals Y1 and Y2 in the same direction since the stroke movement starts with a delay of 50 ms when positioning signals Y1 and Y2 are acti...

Страница 25: ...control Motor control Detection of foreign bodies Calibration Forced control Characteristics function Manual adjustment 7 Brushless DC motor 8 Gear train Fail safe function Manual adjuster Positioning signal Stroke actuator Rotary actuator Control path valve AàAB Bypass valve B à AB Signal Y Z increasing Actuator s stem extends Actuator s spindle turns in clockwise direction Opening Closing Signal...

Страница 26: ...eristic Actuator Valve VVG44 VXG44 Valve actuator combined Valve actuator heat exchanger combined lin Actuator Valve VVG55 VVG549 Valve actuator combined Valve actuator heat exchanger combined log Y Z Positioning signal H Stroke V Volumetric flow Q Heat transfer capacity Positioning signal Y Position feedback U Flow characteristic OFF 1 DC 0 10 V DC 0 10 V log equal percentage ON DC 4 20 mA DC 0 1...

Страница 27: ...n related mechanical tolerances of the individual valves and to guarantee accurate positioning and position feedback a calibration should be performed when the plant is commissioned page 20 During commissioning the actuator detects the valve s end positions and files the exact stroke in its internal memory Calibration takes place in the following phases Actuator drives to the upper end position 1 ...

Страница 28: ...spindle turns manually in counterclockwise direction to 30 Bold printing positioning signal currently active Priority Description 1 The fail safe function responds in the event of a power failure 2 The position is solely determined via positioning signal Z forced control provided power is applied Z 3 The position is determined by positioning signal Y provided power is applied and positioning signa...

Страница 29: ...not active the actuators without fail safe function define their stroke position on power resoration to be at 50 From now on the actuator follows the positioning signal When the valve plug reaches its seat for the first time the actuator readjusts its stroke model The supposed position is 50 Y 2 V the actuator travels 30 of the stored valve stroke in the direction of Actuator s stem retracted If t...

Страница 30: ... valve clogging After detection of clogging 3 attempts are made to overcome clogging by traveling about 15 in the opposite direction and then trying again to overcome the position of clogging If the attempts made are unsuccessful the actuator continues to follow the positioning signal within the restricted range only and the LED continues to blink red see Status indication page 34 4 2 7 Forced con...

Страница 31: ...troke actuators with fail safe function the gear train also accommodates the return spring In the case of the rotary actuators the adjustment to the required torque is made in the output stage Power transmission of stroke actuator 1 Actuator stem 2 Contact point actuator stem valve stem 3 Valve stem 4 Valve spring The transmission of power has no fix connection If the actuator stem extends it pres...

Страница 32: ...afe operation in uncontrolled operating states In the event of a power failure the actuator will return to its 0 stroke position with the help of the return spring closing the valve The Y positioning signal is not valued Fail safe function Actuator Valve Spring return time At positioning time Active Actuator s stem retracts Spring in valve closes Valve closes 8 s 1 14 s 1 28 s 1 15 s 30 s 120 s 1 ...

Страница 33: ...ection 2 the actuator s stem extends CAUTION Turning the manual adjuster in counterclockwise direction is not possible An overload protection prevents damage to the manual adjuster Upon actuation and locking the slide switch the manual adjuster remains engaged When in this mode do not turn the manual adjuster manual adjuster locked After pushing and slightly turning the manual adjuster in counterc...

Страница 34: ...D can be viewed through a light conductor When the housing cover is removed the LED can be viewed through a hole The status indication informs about the operational state of the actuator LED Indication Operating state Remarks troubleshooting Green On Automatic mode Normal operation Blinking Calibration Wait until calibration is finished then green or red light In manual mode Manual adjuster in MAN...

Страница 35: ...nt Switching point for S1 S2 and S1 S3 cannot be set separately If S1 S2 is open then S1 S3 is closed When using an auxiliary switch position feedback can trigger an automatic stop of the circulating pump in the end position Fully closed 4 3 7 Mechanical accessories To protect the actuator from weather effects when used outdoors the weather shield ASK39 2 must always be fitted The housing protecti...

Страница 36: ...SAS81 03U 2 5 2 1 VA 1 SAS81 33 3 4 2 4 VA 1 SAS81 33U 3 4 2 4 VA 1 Function data Positioning times with the specified nominal stroke nominal angular rotation SAS 0 SAT 008 120 s 8 s SAS 3 3U SAT 51 30 s 15 s Positioning force 400 N 300 N Nominal stroke 5 5 mm 5 5 mm Torque Nominal angular rotation Permissible medium temperature valve fitted 1 130 C 1 130 C briefly 150 C Signal inputs Y positionin...

Страница 37: ...RCM Conformity CE1T4581en_C1 5 UL cUL AC DC 24 V UL 873 http ul com database Environmental compatibility The product environmental declaration CE1E4581 5 contains data on environmentally compatible product design and assessments RoHS compliance materials composition packaging environmental benefit disposal Dimensions See Dimensions page 42 Weight Excl packaging See Dimensions page 42 Accessories 6...

Страница 38: ...dimensions 2015 05 19 6 Connection diagrams and dimensions 6 1 Internal diagrams SA 31 SA 31 5 Accessory plug in space A 1x ASC10 51 ASC10 51 Accessory plug in space A 1x ASC10 51 ASC10 51 SAS81 SAS81 33 SAS81 33U Accessory plug in space A 1x ASC10 51 ASC10 51 SAT31 008 Accessory plug in space A SA 61 ...

Страница 39: ...SP Positioning signal for DC 0 10 V 4 20 mA Measuring neutral Position feedback DC 0 10 V Positioning signal forced control AC DC 24 V 0 1000 Ω AC DC 24 V 3 position System potential SP Positioning signal actuator s stem extends actuator s spindle turns clockwise Positioning signal actuator s stem retracts actuator s spindle turns counter clockwise AC DC 24 V 3 position System potential SP Positio...

Страница 40: ... labeling The wires are color coded and labeled Connection Cable Description Code No Color Abbreviation Actuators AC 230V N 4 blue BU System neutral Y1 6 black BK Positioning signal Y2 7 white WH Positioning signal L System potential 21 Fail safe function Actuators AC 24 V resp AC DC 24 V G 1 red RD System potential G0 2 black BK System neutral Y1 6 violet VT Positioning signal Y2 7 orange OG Posi...

Страница 41: ...mostat terminals 1 2 frost hazard sensor is interrupted thermostat closes with frost 1 3 normal operation F3 Temperature detector F4 Frost protection monitor with 0 1000 Ω signal output does NOT support QAF21 or QAF61 M Measuring neutral N1 Controller SN System neutral SP System potential AC DC 24 V U Position feedback Y Positioning signal Z Positioning signal forced control SA 81 SAS81 33 SAS81 3...

Страница 42: ... and dimensions 2015 05 19 6 4 Dimensions 6 4 1 Stroke actuators Dimensions in mm weights in kg 1 SA M16 SA U Ø 21 5 mm 2 SA M20 SA U Ø 21 5 mm Product no A B C C1 C2 D E SAS SAT 151 80 93 21 9 71 1 29 9 21 8 100 200 0 40 With ASK39 2 155 126 248 99 149 29 9 21 8 100 200 0 55 With manual adjuster ...

Страница 43: ...ies Connection diagrams and dimensions 2015 05 19 1 SA M16 2 SA M20 Product no A B C C1 C2 D E SAT SAT 137 6 1 151 2 80 106 5 21 9 84 6 29 9 21 8 100 200 0 68 With ASK39 2 155 126 248 99 149 29 9 21 8 100 200 0 83 1 Black cover 2 Blue manual adjuster Without manual adjuster ...

Страница 44: ...n numbers Product no Valid from rev no Product no Valid from rev no Product no Valid from rev no SAS31 00 A SAT31 008 A SAS31 03 A SAT31 51 A SAS31 50 A SAT61 008 A SAS31 53 A SAT61 51 A SAS61 03 A SAS61 03U A SAS61 33 A SAS61 33U A SAS61 53 A SAS81 00 A SAS81 00U A SAS81 03 A SAS81 03U A SAS81 33 A SAS81 33U A ...

Страница 45: ...nt of a power failure In normal situations dampers are shut or valves closed thus cutting off the medium flow Unit of pressure 100 kPa 1 bar 10 mWS Nominal flow rate Nominal flow rate of cold water 5 30 C through the fully open valve H100 at a differential pressure of 100 kPa 1 bar Light emitting diode The actuator stem lifts off the valve stem slightly 0 2 mm so that the valve closed securely If ...

Страница 46: ...Maximum permissible differential pressure across the valve s control path valid for the entire actuating range of the motorized valve V diverting mode Maximum permissible differential pressure at which the motorized valve will close securely against the pressure close off pressure Δpmax ΔpmaxV Δps ...

Страница 47: ...ions 2 port threaded valves 9 3 port threaded valve 9 3 port threaded valves 9 Fail safe function 8 23 25 28 32 Fitting Accessories 15 Stroke actuators 14 Forced control 25 30 Foreign bodies 30 Formulas for wire lengths 13 Function check 20 Function principle 31 Functions 23 Gear train 23 25 Glossary 45 Handling 14 Housing cover 11 Housing of spring return 7 HVAC plants 6 Identification of seat 23...

Страница 48: ...ision numbers 44 Scope of this documentation 6 Signal priorities 28 Sizing 12 Spare parts 11 Status indication 7 Stroke model 24 Symbols 45 Technical data 36 Technical design 31 Terms 45 Trademarks 5 Transmission of power 31 Type summary Stroke actuators 8 Use 7 User interface 7 voltage drop 12 Volumendurchfluss 26 Warranty 13 Weather shield 17 35 Wire cross sectional area 12 Wire endings 18 Wirin...

Страница 49: ...49 50 Siemens Actuators SAS SAT for valves CE1P4041en Building Technologies Index 2015 05 19 ...

Страница 50: ...ogies Division International Headquarters Gubelstrasse 22 6301 Zug Switzerland Phone 41 41 724 24 24 www siemens com buildingtechnologies Siemens Switzerland Ltd 2015 Technical specifications and availability subject to change without notice ...

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