Planmeca ProX Technical Manual
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Planmeca ProX Technical Manual

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  • Page 1 Planmeca ProX ™ technical manual...

  • Page 3: Table Of Contents

    Symbols ............................4 Technical specifications ....................... 5 User’s statement for Planmeca ProX intraoral X-ray unit ............7 Stray radiation measurements for Planmeca ProX intraoral X-ray unit ........11 DAP values ..........................12 ASSOCIATED DOCUMENTATION ..................14 Manual versions ........................14 EMC INFORMATION ......................
  • Page 4 IEC 60364 - equipment is used according to the operating instructions. Planmeca pursues a policy of continual product development. Although every effort is made to produce up-to-date product documentation this publication should not be re- garded as an infallible guide to current specifications. We reserve the right to make changes without prior notice.

  • Page 5: General & Technical Data

    This manual is valid for software revision 4.11.R or later. NOTE The Planmeca ProX intraoral X-ray unit is allowed to be used only under supervision of a dental/health care professional. The Planmeca ProX intraoral X-ray unit fulfils the requirements of Directive 93/42/EEC.

  • Page 6: Symbols

    CAUTION GENERAL SAFETY RULES The unit must be serviced only by qualified personnel, trained by PLANMECA. Repairs and parts replaced by unqualified personnel carry no warranty. Periodical maintenance as described in this manual must be performed on a regular basis, to ensure the safety and image quality of the unit.

  • Page 7: Technical Specifications

    (special fuse, manufacturer Bussmann, type MDA) units with 220-240V~ voltage setting: 8AT, 250V, slow blow (6.3x32mm) (special fuse, manufacturer Bussmann, type MDA) Duty cycle 1:13,5, at least 6s. automatic control Electrical classification Class I Type B Technical manual Planmeca ProX...
  • Page 8 No other equipment should be connected to the same fused mains line as the x-ray unit. In some countries an additional external fault current guard is also required. Original manufacturer PLANMECA Oy, Asentajankatu 6, FIN-00880, Helsinki, FINLAND phone: +358-20-7795 500 Planmeca ProX...

  • Page 9: User's Statement For Planmeca Prox Intraoral X-Ray Unit

    1 GENERAL & TECHNICAL DATA 1.5 User’s statement for Planmeca ProX intraoral X-ray unit Radiation leakage technique factors The maximum rated peak tube potential is 70 kV and the maximum rated continuous tube current is 0.14 mA for the maximum rated peak tube potential.
  • Page 10 The x-ray tube voltage and tube current which result in the highest electric output power 70 kV, 8 mA The nominal electric power for a load time of 0.1 sec and at the nominal x-ray tube voltage 1.4 kW at 70 kV, 8 mA Planmeca ProX Technical manual...
  • Page 11 Anode heating/cooling curve of the X-ray tube 4500 4300J 100W 4000 3500 3000 2500 2000 1500 COOLING 1000 HEATING TIME [s] X-ray tube assembly heating/cooling curve X-ray tube assem bly heating/cooling curve 13,5W Tim e (m in) Technical manual Planmeca ProX...
  • Page 12 3.1 kg Values of loading factors concerning leakage radiation 70 kV, 8 mA Tolerances of the focal spot on the reference axis X= ±0.5 mm (sideways) Y= ±0.5 mm (in depth) Z= ±0.5 mm (in height) Planmeca ProX Technical manual...

  • Page 13: Stray Radiation Measurements For Planmeca Prox Intraoral X-Ray Unit

    1 GENERAL & TECHNICAL DATA 1.6 Stray radiation measurements for Planmeca ProX intraoral X-ray unit The measurements are given for loading factors which result in the maximum local dose per current time product. The loading factors include the highest selectable X-ray tube voltage.

  • Page 14: Dap Values

    D1 = radiation source to radiation dose meter distance [cm] D2 = radiation source to skin distance, SSD [cm] D1²/D2² = scaling from radiation measurement distance to skin distance A2/A1 = ratio of areas PLANMECA ProX [DAP] = mGy*cm No cone, SSD 20cm ± 20% ± 0,5mGy...
  • Page 15 1 GENERAL & TECHNICAL DATA [DAP] = mGy*cm PLANMECA ProX Round cone, SSD 30cm ± 20% ± 0,5mGy 0,2 0,3 0,4 0,5 0,6 0,8 1 1,2 1,6 2 mA 60 kV 2 mA 63 kV 0,3 0,3 0,4 0,5 0,7 0,9 1,1 1,4 1,7 2,2...

  • Page 16: Associated Documentation

    2 ASSOCIATED DOCUMENTATION 2 ASSOCIATED DOCUMENTATION The Planmeca ProX X-ray unit is supplied with the following manuals: • User’s Manual (10029963, Original English language publication) • Installation Manual (10029964, Original English language publication) • Technical Manual (10029965, Original English language publication) •...

  • Page 17: Emc Information

    Guidance and manufacturer’s declaration - electromagnetic emissions Planmeca ProX intraoral X-ray unit is intended for use in the electromagnetic environment specified below. The customer or the user of the Planmeca ProX intraoral X-ray unit should assure that it is used in such an environment.
  • Page 18 Guidance and manufacturer’s declaration - electromagnetic immunity Planmeca ProX intraoral X-ray unit is intended for use in the electromagnetic environment specified below. The customer or the user of Planmeca ProX intraoral X-ray unit should assure that it is used in such an environment.
  • Page 19 Guidance and manufacturer’s declaration - electromagnetic immunity Planmeca ProX intraoral X-ray unit is intended for use in the electromagnetic environment specified below. The customer or the user of Planmeca ProX intraoral X-ray unit should assure that it is used in such an environment.
  • Page 20 Planmeca ProX intraoral X-ray unit is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of Planmeca ProX intraoral X-ray unit can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the Planmeca ProX intraoral X-ray unit as recommended below, according to the maximum output power of the communications equipment.

  • Page 21: Service Mode

    To exit service mode Press the Mode key for 2 seconds. NOTE The service mode parameters 1 - 13 and 20 are for factory use only. Do NOT adjust these parameters. Technical manual Planmeca ProX...

  • Page 22: X-Ray Tube Filament Preheating Voltage Calibration

    Accept the new kV range by pressing the Select key. To exit the service mode press the Mode key for 2 seconds. NOTE Perform the X-ray tube filament preheating voltage calibration after the kV range selection. Planmeca ProX Technical manual...

  • Page 23: Operation Of Pre-Programmed Settings Keys (Kv Hold)

    0: Normal operation (factory setting). The preprogrammed settings keys operate as described in the Planmeca ProX user’s manual. 1: kV hold. The selection of a preprogrammed setting does not affect the prior manually inserted kV value, but the exposure time is recalculated to achieve constant optical density on the film.

  • Page 24: Dimming Displays

    Press the Select key until the number starts to blink, and the value can now be changed with the parameter adjustment keys. Select key Parameter adjustment keys Accept the new setting by pressing the Select key. To exit the service mode press the Mode key for 2 seconds. Planmeca ProX Technical manual...

  • Page 25: Disabling Exposure Key

    The value indicating the type of the cascade card is shown on the time display. Value < 108 equals an old card and value  108 equals a new card. The type of the cascade card affects the adjustment functionality of the preheat and mA. Technical manual Planmeca ProX...

  • Page 26: Ready-State Setting

    4 SERVICE MODE 4.10 Ready-state setting The Planmeca ProX intraoral X-ray unit can be set so that the Ready indicator light will only come on when the Planmeca Romexis program is ready for the exposure, i.e. the Waiting for exposure message is on the computer screen.

  • Page 27: Ma Minimum Value Selection

    Press and hold down the Select key until the number starts to blink. The number can now be changed with the parameter adjustment keys. Select key Parameter adjustment keys To show the exposure counter (EC 00000 - 50000)on the display press briefly the MODE key. Technical manual Planmeca ProX...

  • Page 28: Dap Display Mode

    0: OFF 1: DAP display after exposure 2: DAP display using MODE key 3: 1+2 Accept the new DAP mode by pressing the Select key. To exit the service mode press the Mode key for 2 seconds. Planmeca ProX Technical manual...

  • Page 29: Dap Display Correction Factor

    The correction factor can be adjusted between 50 and 200%. Select key Parameter adjustment keys Accept the new DAP display correction factor by pressing the Select key. To exit the Service mode press the Mode key for 2 seconds. Technical manual Planmeca ProX...

  • Page 30: Maximum Ma Value

    Parameter adjustment keys 0: maximum mA value 6 mA 1: maximum mA value 8 mA Accept the new maximum mA value by pressing the Select key. To exit the service mode press the Mode key for 2 seconds. Planmeca ProX Technical manual...

  • Page 31: Recalling Factory Preprogrammed Exposure Values

    5 RECALLING FACTORY PREPROGRAMMED EXPOSURE VALUES 5 RECALLING FACTORY PREPROGRAMMED EXPOSURE VALUES The factory preprogrammed exposure values can be found in the Planmeca ProX User’s manual, section "EXPOSURE VALUES". Press and hold down any of the preprogrammed setting keys when switching the unit on.

  • Page 32: Preventive Maintenance

    Adjust if needed. Refer to section 9.3 “Adjusting tube head’s rotational friction” on page 43. • Check stiffness of tube head’s horizontal axle Adjust if needed. Refer to section 9.3 “Adjusting tube head’s rotational friction” on page 43. • Check tube head vertical stiffness Planmeca ProX Technical manual...

  • Page 33: Power Supply Cable

    Adjust if needed. Refer to section 9.4 “Adjusting tube head arm’s rotational friction” on page 44. • Check and tighten the tightening screw for 10 Nm torque if needed 6.4 Power supply cable Check the strain relief of the power supply cable. The tightening torque must be 4 Nm. Technical manual Planmeca ProX...

  • Page 34: Tube Head Grounding Lead

    6 PREVENTIVE MAINTENANCE 6.5 Tube head grounding lead Check the tightness of the tube head grounding lead. Tighten the screw, if needed. Tube head grounding lead Planmeca ProX Technical manual...

  • Page 35: Measuring Kv / Ma Signals (Invasive Testing)

    When the voltage reading has been stabilized, record it. Actual tube voltage (in volts) = 21 672 * measured feedback voltage (in volts) The resulting tube voltage should be within ±5% of the voltage indicated in the user interface. Technical manual Planmeca ProX...
  • Page 36 When the voltage reading has been stabilized, record it. Actual tube current (in mA) = 2.5 * measured feedback voltage (in volts) The resulting tube current should be within ±10% of the current indicated in the user interface. Planmeca ProX Technical manual...

  • Page 37: Troubleshooting

    Temperature of the tube head too high If the temperature of the tube head exceeds 50 °C, the temperature will appear on the time display. The control panel does not operate. Wait until the temperature drops. 50 C Technical manual Planmeca ProX...

  • Page 38: Error Messages

    ± 15VDC voltage is out of limits E.61 Communication error between control panel and tube head CPU. E.71 FLASH memory check-sum error (tube head CPU). E.81 EEPROM memory defective (tube head CPU). E.83 Config register error (tube head CPU). Planmeca ProX Technical manual...

  • Page 39: Detailed Error Message Explanations

    (normal state if not pressed). If a key is found to be in short circuit, this error is displayed. Because the control panel keys are arranged in a matrix, one key’s short could cause the whole keyboard to operate erroneously, therefore this check is important. Replace the control panel. Technical manual Planmeca ProX...
  • Page 40 CPU terminates the exposure and this error occurs. This is a safety procedure, that guarantees that the exposure is terminated under all conditions. Replace the tube head PCB if this error occurs repeatedly. Planmeca ProX Technical manual...
  • Page 41 The tube head PCB or the generator PCB can be faulty. Check the cables and the separate exposure switch. Replace the control panel, tube head PCB or the generator PCB (in this order). Technical manual Planmeca ProX...
  • Page 42 Replace the tube head PCB. E.81 EEPROM memory defective (tube head CPU) Tube head CPU internal error. Replace the tube head PCB. E.83 Config register error (tube head CPU) Tube head CPU internal error. Replace the tube head PCB. Planmeca ProX Technical manual...

  • Page 43: Mechanical Adjustments

    Switch off the X-ray unit before adjustments. 9.1 Adjusting balance of arm Remove the cover plugs from the screw openings. Loosen three arm cover attachment screws using a 3mm Allen key. Remove the cover. Remove also the cover of the other arm. Technical manual Planmeca ProX...
  • Page 44 Adjust the balance of the arm by turning the adjustment nuts with a slot head screwdriver. Tightening the nut will increase the tension. If needed, increase the arm friction after adjusting the balance with the adjustment screw using a slot head screwdriver. Tightening the screw will increase the friction. Planmeca ProX Technical manual...

  • Page 45: Adjusting Rotational Friction Of Bracket Arm

    Tightening the screw will increase the friction. 9.3 Adjusting tube head’s rotational friction Adjust the friction with one adjustment screw located below the joint using a 3 mm Allen key. Tightening the screw will increase the friction. Technical manual Planmeca ProX...

  • Page 46: Adjusting Tube Head Arm's Rotational Friction

    9 MECHANICAL ADJUSTMENTS 9.4 Adjusting tube head arm’s rotational friction Adjust the friction with one adjustment screw located below the arm curve using a 3 mm Allen key. Tightening the screw will increase the friction. Planmeca ProX Technical manual...

  • Page 47: Parts Replacement & Repair

    Make sure that the power supply is switched off before starting parts replacement. 10.1 Removing generator housing 1. Disconnect the X-ray unit from the mains or switch off the power supply. 2. Unscrew four attachment screws and remove the generator housing. Technical manual Planmeca ProX...

  • Page 48: Removing Tube Head Covers

    10.2 Removing tube head covers 1. Disconnect the X-ray unit from the mains or switch off the power supply. 2. Loosen four attachment screws of the upper cover using a 2.5 mm Allen key. 3. Lift off the upper cover. Planmeca ProX Technical manual...
  • Page 49 10 PARTS REPLACEMENT & REPAIR 4. Loosen the side attachment screws of the lower cover. 5. Unscrew two front attachment screws and remove the cover. Technical manual Planmeca ProX...

  • Page 50: Removing Tube Head Support Cover

    1. Disconnect the X-ray unit from the mains or switch off the power supply. 2. Remove the cover plugs from the tube head support. 3. Loosen the tube head support cover attachment screws using a 3 mm Allen key and remove the cover. Planmeca ProX Technical manual...

  • Page 51: Replacing Tube Head

    46. 3. Unscrew the attachment screw of the protective lead using a 2.5 mm Allen key and remove the lead. 4. Unscrew two collimator attachment screws using a 2.5 mm Allen key and remove the collimator. Technical manual Planmeca ProX...
  • Page 52 Then unscrew two upper attachment screws. Use a 2.5 mm Allen key. 6. Turn the tube head upwards and lift it away from its position. Planmeca ProX Technical manual...

  • Page 53: Replacing Generator Pcb

    6. Remove the ten M4x8 DIN 912 attachment nuts and ø4.3 DIN 6798 washers from the Generator PCB. Lift the generator assembly away from the wall adapter and open the two M3x6 DIN 912 screws located behind the generator assembly frame. Technical manual Planmeca ProX...
  • Page 54 7. Remove the Generator PCB. 8. Install the new Generator PCB in reverse order. Note, that the new Generator PCB is not attached to the frame with the two M3x6 DIN 912 screws located behind the generator assembly frame. Planmeca ProX Technical manual...

  • Page 55: Replacing Tube Head Pcb

    4. Pull the tube head PCB from the tube head. 5. Install the new PCB in reverse order. 6. Perform the x-ray tube filament preheating voltage calibration, see section 4.3 “X-ray tube filament preheating voltage calibration” on page 20. Technical manual Planmeca ProX...

  • Page 56: Replacing Software

    4. Carefully place the new software chip into the socket so that the slanted corner of the chip hits the slanted corner of the socket. Note, that the label on the chip must be outwards. 5. Attach the tube head covers. Planmeca ProX Technical manual...

  • Page 57: Replacing Control Panel Cable

    3. Detach the connector from the control panel in the same way as from the generator box. 4. Connect the new cable to the generator box and to the control panel. CAUTION Do not connect any other equipment to the terminal of the generator box. Technical manual Planmeca ProX...

  • Page 58: Replacing Power Supply Cable

    4. Use the correct power supply cable: for mains voltage 100 V~/110-115 V~ power supply cable Planmeca part number is 10006683 and for 220-240 V~ 10006584. 5. Check that the wires extend from the outer housing as shown below (1). If not, peel the outer housing.

  • Page 59: Replacing Arm Cable

    10.10 Replacing arm cable 1. Disconnect the X-ray unit from the mains or switch off the power supply. 2. The arm cable kit includes drawing tool (1), arm cables (2) and cable ties and ferrite (3). Technical manual Planmeca ProX...
  • Page 60 The reset button and the attachment screws must be replaced to the same position when attaching the plate back to its position. Reset button 5. Unscrew the attachment screw of the protective lead using a 2.5 mm Allen key and remove the lead. Planmeca ProX Technical manual...
  • Page 61 Use a 2.5 mm Allen key. Remove the tube head. 7. Mark down the cable tie positions. It is important to attach the new cable ties to the exact same positions. Cut all the cable ties. Technical manual Planmeca ProX...
  • Page 62 10 PARTS REPLACEMENT & REPAIR 8. Cut the old cables so that it is easier to remove them. Planmeca ProX Technical manual...
  • Page 63 10.Pull the cables out from the extension arm. NOTE: if the extension arm is so long that cannot use the drawing tool, do not yet pull the old arm cable through the extension arm but use as a draw cord. Technical manual Planmeca ProX...
  • Page 64 11.Pull the new cable through the bracket arm middle joint. The end with protective sleeves goes to the generator assembly. 12.Place the cables so that the tape on the cables is in the middle of generator side bracket arm (see figure below). Planmeca ProX Technical manual...
  • Page 65 Push the cable at the same time as you pull it. Remove the Ethernet cable from the drawing tool and attach the arm cable to it so that the cable tie is on the cable sheath. Route the arm cable through the tube head support. Technical manual Planmeca ProX...
  • Page 66 2.5 mm Allen key. 17.Attach the potential equalizer lead and PCB grounding plate to support frame with an attachment screw using a 2.5 mm Allen key. Note the position of the PCB grounding plate (white arrow). Planmeca ProX Technical manual...
  • Page 67 Adjust the arm cable length so that the cable sheath just reaches the cable tie. Secure the cable to the frame with a cable tie. End of cable sheat 19.Place the reset button to its position and attach the baffle plate with four attachment screws using a 3 mm Allen key. Technical manual Planmeca ProX...
  • Page 68 20.Attach the cables to the bracket arm with cable ties. Do not tighten the cable ties yet. Leave the cables slightly loose in the joints but make sure that the cables do not push the arm covers. Tighten the cable ties so that the attachment point is towards arm center. Planmeca ProX Technical manual...
  • Page 69 24.Remove the Ethernet cable from the drawing tool and attach the arm cable to it so that the cable tie is on the cable sheath. Route the arm cable through the extension arm and through the extension arm joint to the generator assembly. Technical manual Planmeca ProX...
  • Page 70 27.Attach the ferrite to the new arm cable, to the middle of protective sleeve. 28.Attach the grounding lead to the frame using a 3 mm Allen key (white arrow).Secure the cables with cable tie (black arrow). 29.Connect the cables, Planmeca ProX Technical manual...
  • Page 71 31.Move the arm and check that the cables do not tighten too much or make any noise. 32.Attach the removed covers, switch on the X-ray unit and check the unit operation. Technical manual Planmeca ProX...

  • Page 72: Diagrams

    11 DIAGRAMS 11 DIAGRAMS Planmeca ProX Technical manual...
  • Page 74 Planmeca Oy | Asentajankatu 6 | 00880 Helsinki | Finland tel. +358 20 7795 500 | fax +358 20 7795 555 | sales@planmeca.com | www.planmeca.com...

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