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SG20 Operation Manual

Summary of Contents for 102OM405

Page 1: ...Operation manual GYRO STABILIZER SG20 en English...

Page 2: ...any time without notice Smartgyro is a registered trademark of Smartgyro s r l in the United States the European Union and the United Kingdom All Rights Reserved No part of this publication may be rep...

Page 3: ...control display 18 Roll Angle Monitor Page 21 Alarm Log Page 22 Performance Monitor Page 24 Gyro stabilizer operation 26 Introduction 26 Safety precautions 26 Gyro Stabilizer Startup and Stabilizatio...

Page 4: ...ii SG20 Operation Manual...

Page 5: ...please follow these rec ommendations Read and understand this Operation Manu al before you operate the gyro stabilizer to ensure that you follow safe operating prac tices and maintenance procedures Ke...

Page 6: ...2 SG20 Operation Manual...

Page 7: ...at the same time Safety symbols These are the warning signs used in this manu al and on the product This safety alert symbol appears with most safety statements It means attention become alert your s...

Page 8: ...lessness can cause burns cuts mutilation as phyxiation other bodily injury or death This information contains general safety precau tions and guidelines that must be followed to reduce risk to person...

Page 9: ...pment including appropri ate clothing gloves work shoes and eye and hearing protection as required by the task at hand WARNING Entanglement Hazard When servicing the gyro stabi lizer make sure that th...

Page 10: ...RNING Electrical Shock Hazard Inside the gyro unit hazardous voltages are present For this reason the cover must not be opened when the gyro system is running and AC power is connected Also never disc...

Page 11: ...ollow the guidelines of the EPA or other gov ernmental agencies for the proper disposal of hazardous materials such as coolant and hy draulic oil Consult the local authorities or rec lamation facility...

Page 12: ...to lift it out for maintenance ensuring significant savings in time and cost For larger vessels in order to increase the anti roll torque more than one Smartgyro SG20 can operate in parallel on the sa...

Page 13: ...it Control display 5 DC 12 V 6 6 4 3 1 4 2 5 AC 115V nominal 50 60 Hz AC 220V nominal 50 60 Hz 7 Figure 1 1 SG20 gyro unit 2 Control display 3 See water pump 1 4 Electrical connections electronic cont...

Page 14: ...erated by the combined effect of having a high inertia flywheel rotat ing inside the gyro sphere and the sphere tilting around the precession axis The preces sion movement is automatically created by...

Page 15: ...ifold 6 Vacuum sensor 7 Gyro sphere and flywheel 8 Hydraulic cylinders 9 Precession angle sensor 10 Base frame 11 Lower bearing 12 Inverter box 13 Upper bearing 14 Glycol pump 15 Control box 16 Motor...

Page 16: ...nd lower bearings Because the upper and lower bearings support the flywheel rotat ing at high speed they are subjected to heavy loads and high tem peratures Therefore the glycol pump circulates coolan...

Page 17: ...ut 40 seconds since power on the Home page Figure 5 appears The home page groups and displays the most important parameters of the gyro unit Figure 4 The main purpose of the display is to activate con...

Page 18: ...d has not reached a minimum velocity set at 55 of top speed the precession lock toggle icon has no effect on preces sion which remains locked this condition is signalled by the presence of yellow circ...

Page 19: ...ght depending on the angle of the sphere See Indi cation of precession angle on page 17 7 Speed indication Flywheel rotation speed given in both digital and analogue In digital form it is shown as a p...

Page 20: ...ownward bow down Figure 8 If the roll is positive the semi circular bar on the Home page moves to the right Figure 9 Figure 9 A negative roll is observed when the port side of the vessel is angled upw...

Page 21: ...precession is negative the blue bar on the home page goes to the left Figure 16 Figure 16 Precession angle is positive when the gyro sphere is tilted toward the bow in Typical in stallation mode see...

Page 22: ...r ner Figure 18 1 will return you to the Home page Pressing the icon with the padlock symbol Fig ure 18 2 will take you to a password protect ed page only accessible to service personnel for inspectin...

Page 23: ...ts all the connected gyros if these are properly connected and powered i e the new date and time are sent to all the connected gyros so that one programming only is needed to set all It may happen how...

Page 24: ...refer to the software packages residing on the display the lowest to the Control Unit of the gyro unit Figure 22 Adjusting the brightness of the control display Pressing the brightness icon on the se...

Page 25: ...raph is autoscaled i e the upper and lower limits of the Y axis are automatically adjusted to fit the actual roll values Once the Y scale is set with the gestures it re mains fixed and does not change...

Page 26: ...e alarm log page 1 2 3 Figure 29 Anomaly messages are displayed in three dif ferent colours depending upon their state Red Anomaly still present and not ac knowledged by the operator Green Anomaly sti...

Page 27: ...f detected anomalies As the number of anomalies gradually increas es they are added to the list Accordingly the bottom line always represents the most recent one The column Time indicates the time of...

Page 28: ...L Temperature of the lower bearing pack C or F 4 Precession Angle Actual precession angle expressed in degrees See Indication of precession angle on page 17 5 Sea H Number of hours during which preces...

Page 29: ...and the system automatically shuts off the gyro system See TROUBLESHOOT ING on page 38 STOP SPINNING A state in which the power supply to the gyro motor is cut and the flywheel decelerates in a contr...

Page 30: ...on page 3 WARNING Keep away while the gyro stabilizer is operating NOTICE If there is an anomaly while the gyro stabiliz er is operating identify the cause and fix the problem Depending on the abnorm...

Page 31: ...he system will detect an AC power absence fault However this disappears as soon as AC power supply is supplied Figure 1 Figure 2 Note When the control display is powered on a splash screen will appear...

Page 32: ...or a no communication anomaly on the CAN line between the motor drive and the control board the cir cle around the ON OFF remains grey Check the details of the anomaly on the alarm log page see Alarm...

Page 33: ...around the precession icon Fig ure 6 1 is yellow 1 Figure 6 7 After the flywheel speed exceeds 55 of the top speed precession is allowed and the circle around the icon goes blue indi cating that prec...

Page 34: ...eleration state is no longer present During precession lock due to high acceler ation conditions the circle around the pre cession icon turns red as when precession is intentionally stopped Temperatur...

Page 35: ...when the flywheel is stopped and as long as the temperature of bearings is above 45 C Figure 11 Gyro Stabilizer Shutdown 1 Go to the home page 2 Press the power ON OFF icon Figure 10 1 1 Figure 10 Not...

Page 36: ...he mid dle of the screen To restart the system press the power ON OFF icon Emergency shutdown Emergency shutdown is a method to stop the rotation of the flywheel by forcing the motor drive to cut powe...

Page 37: ...osits on gyro unit surfaces as frequently as possible possibly wiping them down with mild soap and water and rinsing This section of the instruction manual de scribes maintenance details and maintenan...

Page 38: ...g of the number of operation hours each day and a log of the daily checks per formed Also note the date type of repair and parts used for any service needed between the periodic maintenance intervals...

Page 39: ...d are difficult to es tablish clearly The following should be treated only as a general guideline System Item Periodic Maintenance Interval Every 300 hours or 6 months 1 Every 6 months or 500 hours 1...

Page 40: ...es and the manifold Check that the gyro sphere is locked when precession is not permitted If it is not locked perform air purging of the hydraulic circuit and in case flush and refill the hydraulic ci...

Page 41: ...or wear and damage When the parts are replaced the air purge of the cooling circuit is performed and the coolant is replenished with a mixing ratio of 50 ethylene glycol to 50 soft water Every 12 mont...

Page 42: ...repair and re placement require specialized expertise If you do not have the specialized expertise contact your authorized Smartgyro dealer or distribu tor Supply the authorized Smartgyro dealer or di...

Page 43: ...me way in the Alarm Log page In the occurrence of a low level anomaly the gyro system will continue to operate but in the occurrence of a high level anomaly it will lock the precession and stop the mo...

Page 44: ...associated with the inverter box are securely connected Contact Smartgyro dealer or distributor if the fault remains Mains Outage Motor drive disabled flywheel deceleration 2 AC power is not being sup...

Page 45: ...ed Normal operation One of the two connections with the pressure sensors is disconnected or its value is invalid Check that the connector is securely connected to the pressure sensor on the manifold C...

Page 46: ...ealer or distributor if the fault remains U Temp Sens Fail L Temp Sens Fail both detected Motor drive disabled flywheel deceleration Precession is not allowed Both connections with the temperature sen...

Page 47: ...um circuit are securely fastened to the quick connect couplings on the gyro sphere and on the vacuum pump Contact Smartgyro dealer or distributor if the fault remains RTC Fail Normal operation In case...

Page 48: ...44 SG20 Operation Manual SPECIFICATIONS Introduction Specifications are subject to change without prior notice Specifications...

Page 49: ...single phase Input voltage DC 12 V Spool up AC power 2 5 3 0 kW Operating AC power 1 5 2 5 kW sea state dependent DC power Spool up and operating 150 W including display Seawater supply 15 min 30 max...

Page 50: ...46 SG20 Operation Manual...

Page 51: ...47 SG20 Operation Manual...

Page 52: ...Issued by Smartgyro s r l Edited by Smartgyro s r l 700402 01 Smartgyro s r l Via Privata O T O 11 19136 La Spezia ITALY Phone 39 0 187 1859146 www smartgyro com Rev 2 0 August 2022...

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SmartGyro 102OM405, Operation Manual

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