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Troubleshooting

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Safety device trips

The Safety Trip device in the topside unit, and the RCD in the power input cable, are sensitive
and may on occasion trip when there is no fault present. If either safety system trips, first see
if there are any obvious causes of the problem such as a cut or damaged umbilical, an unplugged
cable or if the ROV team report a problem or are working on the ROV.
If no obvious reason for the fault is found, warn the diver to remain at least 1m from the subsea
equipment, or the ROV team to ensure no-one is working on the ROV wiring, and try resetting
the trip.
If there are no further trips or problems, then the work may be resumed.
If at any point the trip will not reset or repeatedly trips, then the work must be immediately
suspended, and the cause of the problem found and rectified.

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Summary of Contents for TSC U41

Page 1: ...Getting Started with TSC U41 Modernizing Subsea ACFM User s Manual ...

Page 2: ...su TSC and their associated logos are trademarks or registered trademarks of Technical Software Consultants Ltd wholly owned subsidiary of Eddyfi NDT Inc in the United Kingdom and or other countries Eddyfi Technologies reserves the right to change product offerings and specifications without notice 2019 10 11 ...

Page 3: ... Warranty x Copyrights x System Overview Introducing the U41 System 2 What is in the Box 2 Optional Accessories 2 System Hardware Setup 3 Overview 3 Setup for Diver 4 Setup for ROV 5 Configuring the communications 8 Alternative LAN topologies 8 U41 subsea bottle network settings 9 Topside Unit network settings 10 Testing network settings 10 Operation with ROV 11 U41 subsea bottle to Topside Unit p...

Page 4: ... of the topside unit 27 Cleaning instructions 27 Assist3 Software Introduction to Assist3 software 29 Backstage 29 General 30 Job Details 30 Select Probe 32 File Transfer 33 Start Resume 33 Documentation 34 Preferences 34 System 34 Frontstage 37 Layout 37 Pinning side and bottom tabs 38 Information bar and warnings 39 Home ribbon 40 Scanning ribbon 41 Configuring Markers 42 Origin Dialogue Box 43 ...

Page 5: ...e Test network settings 11 Figure 1 14 Operation with ROV Topside configuration 11 Figure 1 15 Operation with ROV Topside configuration 12 Figure 1 16 Operation with ROV Topside configuration 12 Figure 1 17 Operation with ROV Subsea bottle configuration 12 Figure 1 18 Operation with ROV Subsea bottle configuration 13 Figure 1 19 Operation with ROV Subsea bottle configuration 13 Figure 1 20 Operati...

Page 6: ...logue box 43 Figure 4 18 Origin dialogue box 44 Figure 4 19 Row Visibility Tab 44 Figure 4 20 Analysis ribbon 45 Figure 4 21 Replay Ribbon 45 Figure 4 22 Sizing 46 Figure 4 23 Defects list box 47 Figure 4 24 Adding a region 48 Figure 4 25 Regions list box 48 Figure 4 26 ACFM Page Report 49 Figure 4 27 Layout ribbon 50 Figure 4 28 Standard view 50 Figure 4 29 Layout 2 51 Figure 4 30 Layout 3 51 Fig...

Page 7: ...General Precautions and Conventions ...

Page 8: ...be rendered null and void x x Do not use substitute parts or perform unauthorized modifications to the system x x Service instructions when applicable are intended for trained service personnel only x x Always make sure that the system is unplugged from any power supply before servicing x x To avoid a dangerous electric shock do not perform any service on the system unless trained to do so If you ...

Page 9: ...sure or accessible externally that may constitute a risk of electric shock to persons Always refer to the user s guide to ensure proper protection and safety The RoHS compliance logo signifies that this product complies with the Restriction of Hazardous Substances directive 2002 95 EC This directive restricts the use of lead mercury cadmium hexavalent chromium polybrominated biphenyl and polybromi...

Page 10: ...t requires special attention Notes also indicate useful related information but the parenthetical information is not mandatory Acronyms ACFM Alternating current field measurement HAZ Heat affected zone UI User interface A C Anticlockwise Clockwise T Transverse Fe Ferrous EMC Directive Compliance FCC Compliance USA This equipment was tested and found to comply with the limits for a Class A digital ...

Page 11: ... 2 CE Compliance EU This device complies with the Electromagnetic Compatibility Directive 2014 30 UE Maritime Environment Compliance This device complies with the IEC 60945 and IEC 60533 Calibration and Warranty Seals The calibration seal is at the back of the instrument U41 is also equipped with a warranty seal Important Broken seals void the calibration certification and product warranty ...

Page 12: ...event exceed the purchase price of the applicable item s This warranty is in lieu of all other warranties whether oral written expressed or implied including any warranty of merchantability or fitness for a particular purpose and no other representation or claims of any nature shall be binding on or obligate Eddyfi NDT Inc This agreement is governed by the laws of the province of Québec Canada Eac...

Page 13: ...Chapter 1 System Overview ...

Page 14: ...trument and its main functions and application capabilities What is in the Box The U41 comes with the following system components and accessories x x U41 Subsea Bottle with removable handle x x Blanking plugs 2 for unused probe connectors x x Topside Unit different models for D or R versions x x Topside Unit power cable with RCD x x Ethernet cable x x 230Vac to 110Vac transformer x x Test integrat...

Page 15: ...main difference being the umbilical used between the topside unit and subsea bottle the diver unit always uses the Eddyfi supplied 150m subsea umbilical whereas the ROV system may use either the Eddyfi umbilical or use the ROV umbilical as required The connections are shown in block diagram form below Figure 1 1 System hardware connections ...

Page 16: ...n exposed connector will cause severe damage to the unit 7 Test the main cable RCD by turning ON the mains supply to the lead with the topside unit still switched OFF Press the Reset button and verify that the red indicator is showing Press the Test button and confirm that the red indicator is removed Press the Reset button again and check that the red indicator reappears and remains If this does ...

Page 17: ... to the bottle Setup for ROV There are two main setups for deploying U41R by ROV The first uses the Eddyfi umbilical and the subsea bottle is electrically separate from the ROV for its power and communications An example of this deployment is shown below Figure 1 3 ROV setup In this example the same general setup as used for the diver unit is used see Setup for Diver on page 4 The second main meth...

Page 18: ...CD trips repeatedly suspend all operations turn off mains supply and seek specialist advice Note that in this configuration the topside unit does not provide DC power to the instrument via the umbilical this instead comes from the ROV supply 7 Check to insure the 110v indicator panel is illuminated 8 Turn on the power to the U41 system by pressing the power switch on the topside unit panel If the ...

Page 19: ...e that any probe connector which doesn t have a probe connected to it is fitted with a blanking plug Deploying the bottle subsea with an exposed connector will cause severe damage to the unit 17 Power up the topside unit and ROV port Using ASSIST attempt to connect to the subsea bottle If there is no connection re check the physical connections and if using serial protocols try swapping Rx and Tx ...

Page 20: ...ng benefits such as using existing premises LAN and enabling use of a single PC LAN port The most common scenarios are shown below Figure 1 6 LAN topologies Configuring these alternative networking scenarios differs between U41 D and U41 R systems The table below outlines the recommended settings Scenario System Topside Unit U41 Bottle A U41 D DHCP Server B U41 D DHCP Server C U41 R DHCP Server DH...

Page 21: ... configuration Then from the dialogue like the one shown below select the U41 Ethernet instrument and click the Config Cog Figure 1 8 Software Subsea bottle Ethernet configuration A dialogue similar to the one shown below should appear Figure 1 9 Software Subsea bottle IP mode configuration Select the required IP Mode from the list according to the scenario and table above ...

Page 22: ...one shown below select the Topside Unit instrument and click the Config Cog Figure 1 11 Software Topside unit configuration A dialogue similar to the one shown below should appear Figure 1 12 Software Topside IP mode configuration Select the required IP Mode from the list according to the scenario and table above Testing network settings From the Backstage General tab press the Connect button A di...

Page 23: ... holding the mouse over the Status Config or Details icons or by clicking on the Details icon For guidance on how to configure the U41 system network settings see Alternative LAN Topologies on page 8 Operation with ROV U41 subsea bottle to Topside Unit protocols Important The integration cable should be connected while performing these changes to ensure communication to the subsea bottle is not lo...

Page 24: ...mbilical cable direct from Topside Unit to U41 subsea bottle select To apply the changes press the Green Arrow button This will close the dialogue restart the Topside Unit and show the Instrument Connection dialogue once again There will be a delay before the Topside Unit instrument reappears in the dialogue Press Cancel to close the Instrument Connection dialogue U41 subsea bottle configuration F...

Page 25: ... umbilical cable direct from Topside Unit to U41 subsea bottle set Adaptor to Ext Ethernet Note If you intend to connect directly to the ASSIST PC i e not via the Topside Unit using standard Ethernet then select DHCP Server as the IP Mode as the last configuration change here To apply the changes press the Green Arrow button This will close the dialogue restart the U41 bottle and show the Instrume...

Page 26: ...type of problem may be found by holding the mouse over the Status Config or Details icons or by clicking on the Details icon In some circumstances the Topside Unit LEDs may be useful to diagnose problems their behaviour is shown in the table below LED Colour Description ETH EXT OFF No instrument broadcast detected Green Extended ethernet protocol is currently used with the U41 instrument Ethernet ...

Page 27: ...Chapter 2 The Subsea Bottle ...

Page 28: ...bottle to be placed horizontally on a desk if required The bumpers can be removed for cleaning by lifting the retaining clip at the split line of each bumper and peeling the bumper from the body Note that the handle must be removed to remove or attach the top bumper The bumpers are not interchangeable and must be refitted in the same orientation as they were removed Umbilical connector The connect...

Page 29: ...onic Need to be confirm Volume 4 3 L 5 6 L Power requirement 48Vdc 400mA 48Vdc 400mA Cooling Passive Passive Communication Interface Serial R model only RS 485 Full Half Duplex RS 232 Ethernet 100MB R model only Extended Ethernet All model Serial R model only RS 485 Full Half Duplex RS 232 Ethernet 100MB R model only Extended Ethernet All model Environmental specifications IP rating IP68 Up to 300...

Page 30: ... Ethernet Communication over 450 meters 3 Extended Ethernet Communication over 450 meters 4 ETH_RX Ethernet Rx Available on R model only 5 ETH_RX Ethernet Rx Available on R model only 6 ETH_TX Ethernet Tx Available on R model only 7 ETH_TX Ethernet Tx Available on R model only 8 RS485TX or RS232_RTS RS 485 Tx or RS 232 RTS signal Available on R model only 9 RS485TX or RS232_TX RS 485 Tx or RS 232 ...

Page 31: ... the connector pins with silicon spray on the rubber part only 5 Check cleanliness of contacts 6 Use warm soapy water with cotton buds to clean female connectors 7 Before each dive visually check the connectors particularly with regard to splits or mechanical damage 8 The probe cable between the small electronics bottle and the subsea unit must not be changed in the field because the connectors wi...

Page 32: ...lical must be disconnected on deck cover the end immediately to preclude any water ingress Ensure a cover is kept on the subsea unit connection whenever the umbilical is not connected Avoid all possibility of contamination by water grit etc 7 It is recommended that any faults anomalies however minor should be recorded in a technical log kept with the unit ACFM Operators new to the equipment should...

Page 33: ...Chapter 3 The Topside Unit ...

Page 34: ...n in use To remove the plug slide the catch on the barrel to unlock and rotate the plug anti clockwise 2 Power in Live fuse 5 x 20mm ceramic cartridge fuse rated for 5A 250Vac anti surge 3 110V power present indicator When there is 110 120Vac on the input connector this indicator is lit 4 Power in Neutral fuse 5 x 20mm ceramic cartridge fuse rated for 5A 250Vac anti surge 5 110 120Vac power output...

Page 35: ... remains If this does not function or if during operation the safety trip trips repeatedly suspend all operations turn off mains supply and review the advice in Safety device trips on Safety device trips page 58 Power Supply cord If another power supply cord is used the marked electrical rating should be at least 120Vac 5A Note Always refer to the manufacturer s recommendations Specifications Gene...

Page 36: ...RS232 communication Available on R model only H RS485_RX or RS232_RX RS 485 Rx or RS232 Rx signal Available on R model only J RS485_RX or RS232_CTS RS 485 Rx or RS 232 CTS signal Available on R model only K RS485TX or RS232_TX RS 485 Tx or RS 232 CTS signal Available on R model only L RS485TX or RS232_RTS RS 485 Tx or RS 232 RTS signal Available on R model only M ETH_TX Ethernet Tx Available on R ...

Page 37: ...utrik Part Number NAC3MPX Pin Description L Live from the 120Vac In N Neutral from the 120Vac In E Earth 120Vac Power Out connector Figure 3 4 Power out connector Type 3 pole locking Manufacturer Neutrik Part Number NAC3FPX Pin Description L Live from the 120Vac In L Live 120Vac Out N Neutral 120Vac Out E Earth ...

Page 38: ...tor and cable which includes a locking connector International Ethernet standards are used and any good quality CAT5 compliant cable can be used if required Figure 3 5 Ethernet connector Type RJ45 female Manufacturer Neutrik Part number NE8FDY C6 B Pin I O Signal Description 1 Transmit Data TX Ethernet Tx 2 Transmit Data TX Ethernet Tx 3 Receive data RX Ethernet RX 4 5 6 Receive data RX Ethernet R...

Page 39: ... in the range 100 to 120V Warning Supplying power to the topside unit outside this range will invalidate the warranty and may damage the unit Avoid bending the connectors where they are attached to the topside unit Cleaning instructions The topside unit external surfaces i e casing and front panel can be cleaned when necessary Thissectionexplainstheproceduretoclean theinstrumentappropriately Tocle...

Page 40: ...Chapter 4 Assist3 Software ...

Page 41: ...ouchscreen and surrounding buttons The Amigo2 can also be operated remotely using a Windows PC or laptop running ASSIST Pro The U41 system uses either ASSIST Pro Diver or ASSIST Pro ROV depending on the system installed on the desktop of a Windows PC or laptop ASSIST Pro can be run without an instrument attached for the review and analysis of data but there is also a version ASSIST CP which allows...

Page 42: ... a vessel line tank or vehicle These names will be used in following inspections x x Part ID could be a subcomponent name or weld ID which would identify the specific location of a series of inspection scans Your work is automatically saved so there is no need to create files and folders Instead the system will use these labels to automatically create files and folder names for you For this reason...

Page 43: ...strument Connection to instruments is usually via a standard RJ45 CAT5 style LAN cable directly from the computer to the instrumentation but different configurations are possible By default software and hardware is supplied configured for this mode of operation Press Connect and a dialogue similar to the one shown below should appear Figure 4 2 Connect disconnect Wait for the status to show a gree...

Page 44: ...moving then displays the data against distance travelled Before scanning can start a connector and probe must be selected as Active Import Probe is used to import probe configurations for legacy probes when used with a PC U41 does not support legacy probes and this option is not used on the U41 system When using ASSIST Pro with an U41 instrument which does support legacy probes this will copy Amig...

Page 45: ...e filename for each page is based on the Part ID the type of Scan function check F or general G the Line toe 1 weld cap HAZ etc and page number For example Part ID F TO1 001A Function Check on toe 1 page 1 Part ID G CAP 002A General inspection scan on the cap page 2 Part ID G HAZ 003A General inspection scan on the HAZ page 3 Files can be transferred at the component level or the site level in whi...

Page 46: ...ad PDFs located in the ASSIST UserData folder Figure 4 5 Backstage view Documentation Preferences The preference section consists of two tabs System and Display System used to change units company logo date and time wireless interfaces Keyboard shortcuts Figure 4 6 Backstage view Preferences System System ...

Page 47: ...o If you are using ASSIST Go on the Amigo2 1 On a USB stick create a folder in the root called ASSIST UserData Copy your logo file into this folder 2 Plug the USB stick in the QUICK COPY USB port of the Amigo2 3 Press the QUICK COPY button on the side of the Amigo2 4 Tap Select Company Logo 5 Select the logo file and then tap OK Figure 4 7 Company logo If you are using a version of ASSIST on a PC ...

Page 48: ... viewing in dim conditions Screen brightness and auto power down can also be adjusted from this menu Figure 4 8 Backstage view Preferences Display Help Software firmware version and license information are available here as well as the company contact details license agreements and Privacy Options In the event of a malfunction the log can be transferred to a USB mass storage device for diagnosis F...

Page 49: ... and information bar Figure 4 10 Frontstage layout The Data views can be specified in the Layouts Ribbon A Standard Layout is shown below The frontstage can be further broken down into the following elements Figure 4 11 Frontstage screen Ribbon zone Side tabs Data views Bottom tabs Information bar 1 2 3 4 5 6 7 8 9 10 ...

Page 50: ...ing to the current page of data including defects recorded scan information and notes 5 Rows changes the row visibility of array probes See Row Visibility Tab page 43for more details 6 Notes Append a note to the current page of data using the popup soft keyboard or add a USB keyboard if required 7 Pages View pages files in the current work folder Successfully recorded pages begin with a grey tick ...

Page 51: ...r 4 Rows All 3 8 Some of the rows of an array probe may be hidden In this example rows 3 8 are visible 5 Origin 0 mm 22 mm If an encoder is used the origin has been set to a non zero position In this example the origin has been set 22 mm from the datum 6 Direction The scan direction for the current page Clockwise Anticlockwise or Transverse 7 Scale x x Default The screen scaling is being set to th...

Page 52: ...ombined onto one page x x Depth Depth scan for sizing x x Parallel scan Typically through the HAZ x x Zigzag Zigzag scan to determine position of crack on the weld x x Sizing Sizing scan to locate the ends of the crack x x Sizing check scan Used to check the accuracy of the sizing scan 6 Scan Direction Clockwise Anticlockwise or Transverse 7 Configure Markers See Configuring Markers page 42for mor...

Page 53: ...es not alter the display range only shifts the background value 6 Screen Scale Auto fit This option automatically fits the data to the display view so that all of the data can bee seen Note that this will change the visual scale range and a warning Scalings Lost will be shown in the status bar Taking new scans in this mode is not recommended as the scale will continuously shrink or expand dependin...

Page 54: ...1 o clock and ending at 12 o clock However this may not be the case For example you may be starting at 9 o clock scanning through 12 o clock and ending at 2 o clock In this case you would want the markers to run in the following sequence 9 10 11 12 1 2 For this configuration you would require the following settings 1 The numbers are increasing clockwise This should not be confused with a probe mov...

Page 55: ...here the last scan stopped and assumes that scanning starts from the same position Figure 4 18 Origin dialogue box Row Visibility Tab When viewing array probe data in the traces layout each row of the array probe consists of a color coded signal When many rows are present the multiple signals can obscure small features in individual rows The Rows tab shown below allows the user to hide selected ro...

Page 56: ...s is the case the Scalings Lost indicator will be activated 7 Default uses the screen scalings specified in the probe s configuration file 8 Manual scaling allows the user to readjust the position and size of the signals by pinching and swiping the touchscreen This mode is automatically activated when any of the signals are touched Warning Large defects may look smaller than they actually are also...

Page 57: ...ight position It can be manually adjusted by dragging the yellow line with mouse or finger on touchscreens or for very fine adjustment using the left right arrow keys after selecting the Bx view 6 The Bx minimum value yellow horizontal line labelled Min can also be adjusted by dragging the yellow line with mouse or finger on touchscreens or for very fine adjustment using the up down arrow keys aft...

Page 58: ... trough distance coating thickness calculated length and depth location minimum and background Bx value coil factor and field used for sizing Items in the list can be deleted by pressing the red cross symbol or edited by pressing the green pencil symbol The numbering of the defects is chronological Figure 4 23 Defects list box ...

Page 59: ... Add a region type 5 Add a comment if required 6 Press Add to keep the region or Cancel to remove it 7 The region can be edited by pressing the Regions tab along the bottom of the screen Regions List Box The regions list box contains information relating to regions added to the current page and any associated comments To add a region see Adding a Region page 47 Information includes region type pos...

Page 60: ...place for the operator to sign Figure 4 26 ACFM Page Report To create a report 1 Zoom in on the part of the signal of interest Adjust the scale if necessary 2 Press Print Page on the Analysis Ribbon to preview the report 3 To save the report press one of the Save To buttons in the preview ribbon Word Excel or PDF A default file name will be provided you can accept or change this then press OK to s...

Page 61: ...y both fields and or contour plots Figure 4 27 Layout ribbon The layout ribbon has five options 1 Standard layout 2 Layout 2 3 Layout 3 4 Layout 4 5 Layout 5 These are described in detail below Standard Layout The Bx Bz and butterfly plots are arranged in the normal manner The Y field is toggled with the Field button on the Analysis ribbon Figure 4 28 Standard view 1 2 3 4 5 ...

Page 62: ...in the normal manner but with multiple lines corresponding to the individual array rows Figure 4 29 Layout 2 Layout 3 The Bx and Bz traces are positioned on the left The Bx and Bz C scans are positioned on the right For probes that have more than one field the desired field to display can be chosen using the Field button on the Analysis Ribbon Figure 4 30 Layout 3 ...

Page 63: ...nd Bz traces are placed on the left The Y field By and Bz traces are placed on the right Figure 4 31 Layout 4 Layout 5 For probes that have more than one field this layout enables data from both X and Y fields to be displayed at the same time The X field Bx and Bz C scans are placed on the left The Y field By and Bz C scans are placed on the right Figure 4 32 Layout 5 ...

Page 64: ...optimise the C scan images before creating a report Keyboard shortcut keys The following keyboard shortcuts can be used to control aspects of ASSIST When a physical keyboard has been connected to an Amigo2 via one of the USB ports these shortcuts can also be used Amigo2 Function Keyboard Shortcut Left arrow Left arrow Up arrow Up arrow Right arrow Right arrow Down arrow Down arrow Add clock linear...

Page 65: ...3 Software 53 Amigo2 Function Keyboard Shortcut Toggle Clockwise Anticlockwise W Modifying Keyboard Shortcuts In the System preferences of the backstage tap the Keyboard button Figure 4 33 Keyboard Shortcuts ...

Page 66: ...instructions from the Installation Wizard Note When installation is complete Windows Program Compatibility Assistant might require that you confirm that Assist installed correctly Simply click This program installed correctly Figure 4 34 Launching the Setup wizard Figure 4 35 Accepting the license agreement Figure 4 36 Installing the software ...

Page 67: ...Assist3 Software 55 Figure 4 37 Finishing the installation ...

Page 68: ...Assist3 Software 56 www eddyfi com Figure 4 38 Finish the installation Click This program installed correctly ...

Page 69: ...Chapter 5 Troubleshooting ...

Page 70: ...ged umbilical an unplugged cable or if the ROV team report a problem or are working on the ROV If no obvious reason for the fault is found warn the diver to remain at least 1m from the subsea equipment or the ROV team to ensure no one is working on the ROV wiring and try resetting the trip If there are no further trips or problems then the work may be resumed If at any point the trip will not rese...

Page 71: ...Troubleshooting 59 ...

Page 72: ...erein 2019 Eddyfi UK LTd Eddyfi TSC Amigo2 PACE U41 and their associated logos are trademarks or registered trademarks of Eddyfi in the United States and or other countries Eddyfi reserves itself the right to change product offerings and specifications without notice www eddyfitechnologies com info eddyfi com 2019 06 ...

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