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DRIVES

TECHNOLOGY

HAPTER

5 - D

UAL

SK77898/2

Introduction

The VR2 dual attendant control system consists of a VR2 Joystick Module, Power Module

and a Dual Attendant Module. This allows the drive and actuator functions of the

wheelchair to be controlled either by the occupant, or by an attendant from another

location on the wheelchair.

Содержание VR2 series

Страница 1: ...VR2 SERIES WHEELCHAIR CONTROL SYSTEM OPERATION INSTALLATION PROGRAMMING SK77898 2 PG DRIVES TECHNOLOGY...

Страница 2: ...ional use only is subject to change without notice and should not be construed as a commitment by PG Drives Technology Except as permitted by such terms no part of this manual may be reproduced stored...

Страница 3: ...2 Profile Indicator 6 3 5 Horn Button 7 3 6 Speed Profile Decrease Button 7 3 7 Speed Profile Increase Button 7 3 8 Actuator Buttons and LEDs 7 3 8 1 Wheelchairs with One Actuator 7 3 8 2 Wheelchairs...

Страница 4: ...hes 15 9 Battery Gauge 16 9 1 How to Read a TruCharge Battery Gauge 16 10 Battery Charging 17 11 Programming 18 12 Joystick Knobs 19 13 Servicing 19 14 Warranty 20 Chapter 2 Installation 21 1 Document...

Страница 5: ...10 1 Actuator End stop Detection 38 10 2 Actuator Inhibits 38 10 3 Actuator Motors 38 11 Production Tests 40 11 1 Mounting 40 11 2 Cables and Connectors 40 11 3 Joystick and Gaiter 40 11 4 Preset Sett...

Страница 6: ...eters 55 3 1 Number of Actuators 55 3 2 Actuator 1 End Force 55 3 3 Actuator 1 Current Limit Time Out 55 3 4 Actuator 2 End Force 55 3 5 Actuator 2 Current Limit Time Out 55 3 6 Actuator Selection wit...

Страница 7: ...Channel 2 Up Inhibit and Actuator Channel 2 Down Inhibit 65 6 15 Inhibit Examples 65 6 15 1 Speed Inhibit Examples 65 6 15 2 Actuator Inhibit Examples 66 7 General Parameters 69 7 1 Fast Brake Rate 6...

Страница 8: ...r Button and LED 82 2 4 Right Turn Indicator Button and LED 82 2 5 Hazard Warning Button and LED 82 3 Lighting Module Installation 83 3 1 Mounting 83 3 2 Connection 84 3 2 1 Socket 1 84 3 2 2 Socket 2...

Страница 9: ...al 107 1 3 2 Fitting a Joystick Cable 108 1 4 Keypad Replacement 109 2 Diagnostics 110 2 1 Introduction 110 2 2 Diagnostics Process 110 2 3 Detecting a Trip has Occurred 111 2 3 1 Flashing rapidly 111...

Страница 10: ...ltage 117 3 11 Joystick Displaced at Power up 117 3 12 Communications Error 117 3 13 Inhibit 2 Active 117 3 14 Inhibit 3 Active 117 3 15 Actuator Motor Wiring Trip 117 3 16 Current Limit Active 118 3...

Страница 11: ...32 2 19 Safety Fences 132 2 20 Brake Fault Detect 132 2 21 Current Limits 132 2 22 Motor Compensation 132 2 23 Torque 133 2 24 Tremor Damping 133 2 25 Mounting 134 2 26 Wiring 134 2 27 Lamp Wattage 13...

Страница 12: ...es created with the VR2 L Control System Chapter 5 Dual Attendant Module This chapter deals with the operation and installation changes created with the VR2 D Control System Chapter 6 Servicing Diagno...

Страница 13: ...PG DRIVES TECHNOLOGY 1 CHAPTER 1 OPERATION SK77898 2 CHAPTER 1 OPERATION...

Страница 14: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 2...

Страница 15: ...g and operation of the unit will ensure maximum reliability Please read this chapter carefully it will help you to keep your wheelchair reliable and safe 2 General 2 1 Handling Avoid knocking your con...

Страница 16: ...t actuator control Most of the controls are common to both versions however the actuator buttons are only included on VR2 control systems with seat actuator control Each of the controls is explained w...

Страница 17: ...stop the wheelchair unless there is an emergency If you do you may shorten the life of the wheelchair drive components The battery gauge shows you that the wheelchair is switched on It also indicates...

Страница 18: ...The wheelchair is now unlocked 3 3 Joystick The primary function of the joystick is to control the speed and direction of the wheelchair The further you push the joystick from the center position the...

Страница 19: ...Chapter 3 3 8 Actuator Buttons and LEDs Depending on whether the wheelchair is fitted with one or two actuators the operation of these buttons will differ Refer to the relevant section below 3 8 1 Whe...

Страница 20: ...n 10 for more details This socket should not be used as a power supply for any other electrical device Connection of other electrical devices may damage the control system or affect the E M C performa...

Страница 21: ...Control System 5 1 Driving General Make sure that the control system is mounted securely and that the joystick position is correct The hand or limb you use to operate the joystick should be supported...

Страница 22: ...If there is any possibility of the user falling out of the chair as a result of a sudden braking action it is imperative that a restraining device such as a seat belt is supplied with the wheelchair...

Страница 23: ...ensure that the wheelchair complies with appropriate National and International E M C legislation PGDT accepts no liability for losses of any kind arising from failure to comply with this condition T...

Страница 24: ...the control system Check that the battery gauge remains on or flashes slowly after one second Push the joystick slowly forwards until you hear the parking brakes operate The chair may start to move Im...

Страница 25: ...have switched the control system off and on again 8 4 Battery Gauge Flashes Rapidly even with the joystick released The control system safety circuits have operated and the control system has been pr...

Страница 26: ...right hand motor has a bad connection Check the connections to the right hand module The right hand motor has a short circuit to a battery connection Contact your service agent The wheelchair is being...

Страница 27: ...r left hand LEDs will be illuminated 8 7 2 Profile Indication The LED illuminated shows the selected drive profile For example if drive profile 4 is selected then the fourth LED s from the left will b...

Страница 28: ...l in your wheelchair All wheelchair batteries will gradually lose their capacity as they age The most important factor that reduces the life of your batteries is the amount of charge you take from the...

Страница 29: ...th a Neutrik NC3MX plug Failure to observe these conditions could result in poor contact resistance in the charger connector resulting in overheating of the charger plugs This presents a potential bur...

Страница 30: ...rol system can be programmed to meet your needs Programming can be performed using a PP1a Programmer or specialist PC software and interface cable The PP1a is a small hand held unit which can be plugg...

Страница 31: ...he VR2 control system If the control system is damaged in any way or if internal damage may have occurred through impact or dropping have the product checked by qualified personnel before operating PG...

Страница 32: ...warranty will be void if the VR2 control system has Not been used in accordance with the VR2 control system Technical Manual SK77898 Been subject to misuse or abuse Been modified or repaired by non au...

Страница 33: ...PG DRIVES TECHNOLOGY 21 CHAPTER 2 INSTALLATION SK77898 2 CHAPTER 2 INSTALLATION...

Страница 34: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 22...

Страница 35: ...stopping distance the maximum speed must be re programmed so that the stopping distance requirement is satisfied State in the wheelchair user handbook that it is the responsibility of the person progr...

Страница 36: ...e user controls and the main features of the control system In addition you should include a brief specification of operating supply voltage range and operating temperature range 1 5 Control System Ma...

Страница 37: ...r solenoid brake circuit or provides a drive inhibit can be fitted 2 2 Charger Interlock ISO 7176 14 requires you to provide a means of preventing the use of the wheelchair while the batteries are bei...

Страница 38: ...pose it to excessive shock or vibration The VR2 control system is designed to withstand levels of shock and vibration experienced when mounted to the chassis of a wheelchair and has been tested in acc...

Страница 39: ...pacts onto the unit should be avoided The Power Module has excellent thermal performance but to improve this further it may be secured against a metal part of the wheelchair chassis To provide even be...

Страница 40: ...procedures detailed in IEC 60352 2 1990 Defective or poor quality crimps may affect the warranty of the control system PGDT accepts no liability for losses of any kind arising from failure to comply...

Страница 41: ...24V BRAKE Joystick Movement Forward Backward ve ve ve ve Actuator Movement Channel Up Channel Down Pin 1 Pin 2 MOTOR 1 Brake ve Brake ve Motor ve Motor ve MOTOR 2 BATTERY 1 1 2 1 2 1 2 1 2 3 1 INH 2...

Страница 42: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 30 Only use the exact tools as specified For details of automatic crimp tools contact Intech...

Страница 43: ...the wheelchair for both normal use and stalled conditions PGDT can make general recommendations for wiring for VR2 control systems but PGDT accepts no responsibility for and accepts no liability for l...

Страница 44: ...If your batteries are held in separate enclosures you must provide a circuit breaker with each of them The rating of the circuit breaker must match the capacity of the wiring used We recommend the use...

Страница 45: ...h the TruCharge battery gauge the number of flashing bars indicates the type of trip Auxiliary switches will disconnect the brake circuit if either circuit breaker operates In this way the control sys...

Страница 46: ...system with the motors may result in poor control characteristics If you have any doubts about the suitability of a particular motor type or you need advice on measuring motor impedance contact PGDT...

Страница 47: ...rning could result in an unsafe set up for the wheelchair user and may create a fire hazard depending on the motors wiring connectors and circuit breakers installed on the unauthorized chair PGDT acce...

Страница 48: ...of 12 A rms Always use an off board charger fitted with a Neutrik NC3MX plug Failure to observe these conditions could result in poor contact resistance in the charger connector resulting in overheati...

Страница 49: ...charging current is 12A rms For details of how to provide a suitable inhibit function refer to section 9 1 Do not exceed the maximum charging current of 12 A rms Always use an on board charger fitted...

Страница 50: ...for adjustment are Actuator 1 Actuator Current Limit Timeout Actuator 2 Actuator Current Limit Timeout Actuator 1 End Force Actuator 2 End Force Actuator Current Limit Timeout is programmable between...

Страница 51: ...f you are unsure Large values of capacitance should not be connected across the control system s actuator outputs as electrical resonance could occur which may affect control system operation If capac...

Страница 52: ...of the joystick shaft for damage or splitting Check visually only do not handle the gaiter Check that the joystick returns to the center position when you push and release it 11 4 Preset Settings Mak...

Страница 53: ...that it operates correctly for all positions of the user controls 11 7 Soft Stop Test Drive the wheelchair at full forward speed and switch the control system off The wheelchair must not stop suddenly...

Страница 54: ...um value you should use is 10nF A typical type is Roderstein WY0472MCMCF0K For 4 pole motors a capacitor should be fitted between each pair of brushes 12 1 2 Cables You do not need to use screened bat...

Страница 55: ...to the cable resistance of your wheelchair to make the battery gauge accurate The parameter for adjustment is Cable Resistance refer to Chapter 3 for details on programming As a guide 2 5 mm2 cable h...

Страница 56: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 44...

Страница 57: ...PG DRIVES TECHNOLOGY 45 CHAPTER 3 PROGRAMMING SK77898 2 CHAPTER 3 PROGRAMMING...

Страница 58: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 46...

Страница 59: ...can be used to adjust the wheelchair to an individual users requirements These parameters are The PP1a can also be used to read the Fault Log and Timer For details of how to use the PP1a with the VR2...

Страница 60: ...or Low Battery Alarm Low Voltage Cut Out Low Voltage Time Inhibit Section 6 Inhibit 2 Threshold Levels Inhibit 2 Speed Limit Bands Inhibit 2 Operation Inhibit 2 Debounce Seat Reversal Inhibit 3 Thresh...

Страница 61: ...he maximum fence value meaning there is a full range of adjustment If you wish to apply different fence values please contact PGDT PGDT accepts no liability for losses of any kind if the chair manufac...

Страница 62: ...imum speed profile increase and decrease buttons are then used to switch between the available profiles Although a number of Drive Profiles can be set to one the operation is the same as setting to 0...

Страница 63: ...ting 5 is selected Its value at other settings depends on the value of the Minimum Turn Acceleration parameter 2 4 Turn Deceleration Adjusts the value for turning deceleration or braking of the wheelc...

Страница 64: ...s can be defined Example VR2 70 is programmed to Current Limit Max 70 Amps Power Profile 1 100 Power Profile 2 50 This means that in profile 1 the VR2 will output 70A but in profile 2 will output 50 o...

Страница 65: ...setting is at 1 See following example Turn Acceleration 80 and Minimum Turn Acceleration 25 Turn Acceleration at step 1 25 of 80 20 Speed settings 2 3 and 4 will interpolate linearly between 20 and 80...

Страница 66: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 54...

Страница 67: ...d 500ms in steps of 10ms 3 4 Actuator 2 End Force Adjusts the operating force of actuator channel 2 The reason this is programmable is to provide an automatic shut off of an actuator motor at the end...

Страница 68: ...arameter can be set to On or Off On The parameters Actuator End Force and Actuator Current Limit Time Out are activated and stop the actuator motors Off The actuator will not be automatically stopped...

Страница 69: ...meter compensates for any mismatching of motors to ensure that the wheelchair drives directly forward when the control system s joystick is being pushed directly forward It is normally set to zero but...

Страница 70: ...TECHNOLOGY 58 Off Means the buttons are not active while the wheelchair is being driven so the joystick must be released and the wheelchair at rest before maximum speed setting adjustments or differen...

Страница 71: ...cable have a typical electrical resistance of 4 6mW metre Therefore if the VR2 has a 1 3m cable the Cable Resistance setting must be at least 1 3 x 4 6mW x 2 12mW To this value you must also add the...

Страница 72: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 60 Voltage Cut Out Level before the control system ceases to operate Programmable from 1 to 255 seconds in steps of 1 second...

Страница 73: ...concept 100 corresponds to a resistance of 10KOhm or greater including an open circuit being connected to pin 1 of Inhibit 2 0 corresponds to a short circuit between pins 1 and 2 of Inhibit 2 Each of...

Страница 74: ...on to Inhibit 2 input must be stable before it is interpreted as a valid condition This parameter is particularly useful for switch types that exhibit bounce such as mercury switches which are often u...

Страница 75: ...he VR2 s Inhibit 3 input is in that band For example if Inhibit 3 Speed Limit in Band 3 is set to 0 then the drive will be fully inhibited when the connection to Inhibit 3 is of a resistance within th...

Страница 76: ...s parameter sets whether there is an audible alarm given if VR2 Inhibit 3 is active Inhibit 3 is normally the inhibit function associated with the on board charger connections of the VR2 The parameter...

Страница 77: ...6 14 Actuator Channel 2 Up Inhibit and Actuator Channel 2 Down Inhibit This parameter operates in the same way as Actuator Channel 1 Up Inhibit and Actuator Channel 1 Down Inhibit as described in sec...

Страница 78: ...tuator Inhibit Examples Application 1 In an identical fashion to the previous example a wheelchair is fitted with a lifting seat and as the seat raises the maximum speed is reduced to 50 then 25 and a...

Страница 79: ...a programmable angle of recline to suit different users A potentiometer of maximum value 10KOhm is fitted to the recline mechanism and is connected to the VR2 s Inhibit 2 input The recline motor is d...

Страница 80: ...recline travel and that the Down movement will be inhibited when the Inhibit 2 input is in Band 3 i e the other end of the recline travel Referring the Band diagram below it can be seen that by progra...

Страница 81: ...wheelchairs Adjustable between 1 and 100 in steps of 1 Increasing this value means that the VR2 s software is more suitable for higher speed front wheel drive wheelchairs 7 4 Soft Reverse Deceleration...

Страница 82: ...s the Lock function is available Off Means it is not 7 9 Brake Fault Detect Sets whether the VR2 Detects a fault in the wheelchair s electrical brakes or the connections to them The parameter can be s...

Страница 83: ...ch when exceeded activates the Current Foldback Time parameter Programmable between 20 and the Current Limit Max in steps of 1 Amp Current Foldback Time This parameter sets the maximum time the contro...

Страница 84: ...ul for protecting motors against potential damage when the wheelchair is being used on a long gradient After 15 seconds the current output of the VR2 will reduce to 25 of 60A 15A After 5 x 15s 75s the...

Страница 85: ...d connectors between the VR2 and the motor The value is set in milli Ohms mW A recommended value is 70 of the armature resistance cables and connectors Motor manufacturers should be able to supply fig...

Страница 86: ...that they are compatible with the electrical and dynamic characteristics of their specific target vehicles The characteristics of one type of control system may not be compatible with a different unau...

Страница 87: ...omes to joystick commands If set too high the chair can have a jerky or jumpy feel 8 7 Tremor Damping This parameter allows the effects of hand tremor to be reduced If the user has a condition that re...

Страница 88: ...when the joystick is returned The timer records the number of hours the wheelchair has been in use 9 2 Clear Timer This function resets the VR2 s timer This function is only present in the PCPb and P...

Страница 89: ...PG DRIVES TECHNOLOGY 77 CHAPTER 4 LIGHTING SK77898 2 CHAPTER 4 LIGHTING...

Страница 90: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 78...

Страница 91: ...EDs Depending on whether the VR2 is programmed with 1 or 2 actuators the operation of this button will differ Refer to the relevant section below For actuator programming refer to Chapter 3 section 3...

Страница 92: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 80 Charger and Programmer Socket Front Control Panel Details Control Panel VR2 L USER CONTROLS Joystick With Actuators No Actuators...

Страница 93: ...LIGHTING SK77898 2 On Off Button VR2 CONTROL BUTTONS Maximum Speed Profile Indicator Battery Gauge Horn Button Speed Profile Decrease Button Indicator Buttons Actuator Button Lights Button Hazards But...

Страница 94: ...tected Depress the left indicator button to turn off the indicators and associated LED 2 4 Right Turn Indicator Button and LED To turn on the wheelchair s right turn indicator operate this button the...

Страница 95: ...o not mount the lighting module in a position which would expose it to excessive shock or vibration The lighting module is designed to withstand levels of shock and vibration experienced when mounted...

Страница 96: ...GHT side lights Refer to the illustration in section 3 4 for details 3 2 3 Socket 3 This socket is the power and communications connection form the VR2 L and accepts the lighting module connection fro...

Страница 97: ...Technology 3 Way Connector Kit D50301 PGDT recommends the use of 0 75 mm2 20 AWG Tri Rated Equipment wire or equivalent Secure all cables to the wheelchair frame over as much of their length as is pra...

Страница 98: ...K77898 2 PG DRIVES TECHNOLOGY 86 VR2 INDICATORS LIGHTS GND INDICATORS LIGHTS GND 1 1 2 3 3 2 1 2 LIGHTING MODULE WIRING DETAIL LOOKING AT LIGHTING MODULE Connection Pin1 Pin2 Pin3 Ground Lights Indica...

Страница 99: ...r is required to accurately detect the failure of an indicator lamp You can set this parameter to 5W 10W or 21W T V Germany require that 21W lamps be used for the indicators 24V 5W lamps can not be us...

Страница 100: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 88...

Страница 101: ...PG DRIVES TECHNOLOGY 89 CHAPTER 5 DUAL SK77898 2 CHAPTER 5 DUAL ATTENDANT SYSTEM...

Страница 102: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 90...

Страница 103: ...R2 dual attendant control system consists of a VR2 Joystick Module Power Module and a Dual Attendant Module This allows the drive and actuator functions of the wheelchair to be controlled either by th...

Страница 104: ...ction you wish to go The further you push it the faster the speed Releasing the joystick stops the wheelchair and automatically applies the brakes When in actuator control mode pushing the joystick le...

Страница 105: ...tton and LEDs All VR2 dual attendant system s have an actuator button fitted as standard If the VR2 is programmed with 0 actuators then this button has no function However if VR2 is programmed with 1o...

Страница 106: ...peed button 2 4 Maximum Speed Button and Indicator 2 4 1 Maximum Speed Indicator This shows the maximum speed setting for the wheelchair when the dual attendant system has control There are five setti...

Страница 107: ...the joystick shaft pointing vertically upwards to maintain resistance to IPx4 as stated on the data sheet Do not mount the dual module in a position which would expose it to excessive shock or vibrati...

Страница 108: ...RMEDIATE CABLE To Power Module To Joystick Module 4 Connection Secure all cables to the wheelchair frame over as much of their length as is practical 4 1 Connetion to the VR2 Dual Attendant The VR2 du...

Страница 109: ...ER 5 DUAL SK77898 2 VR2 DUAL ATTENDANT SYSTEM CONNECTION CONFIGURATION DUAL MODULE ATTENDANT MODULE INTERMEDIATE CABLE To Power Module LIGHTING MODULE 1 2 VR2 L Including a VR2 Dual Attendant Module i...

Страница 110: ...ing the ON OFF button Continue to hold the speed button and joystick until the Green and Red control LED s on the dual attendant system begin to flash alternately This will occur after approximately 5...

Страница 111: ...wering the control system up If the joystick is centered and the trip still registers then the joystick is defective and the dual module must be disconnected and returned to PG Drives Technology 7 bar...

Страница 112: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 100...

Страница 113: ...PG DRIVES TECHNOLOGY 101 CHAPTER 6 SERVICING DIAGNOSTICS SK77898 2 CHAPTER 6 SERVICING DIAGNOSTICS...

Страница 114: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 102...

Страница 115: ...accepts no liability for losses of any kind if the procedure and safety guidelines are not followed These operations should only be carried out by a trained Healthcare Technician While preforming the...

Страница 116: ...emoval Isolate the Joystick Module by disconnecting the Joystick Cable from the Power Module Remove the 5 retaining screws from the underside of the Joystick Module Disconnect the Ribbon Cable from th...

Страница 117: ...PG DRIVES TECHNOLOGY 105 CHAPTER 6 SERVICING DIAGNOSTICS SK77898 2 Joystick Knob Gaiter Top Plan View Joystick Joystick Ribbon Cable Top Plan View Retaining Screws x2...

Страница 118: ...2 left most speed display LEDs will flash Push and hold the joystick fully forward and press the horn key until the VR2 bleeps The 3 left most speed display LEDs will flash Push and hold the joystick...

Страница 119: ...is receiving power from the Power Module The LEDs should light up Repeat the replacement procedure ensuring that all the cables are securely connected and that the connectors clean clear and not damag...

Страница 120: ...is correctly positioned and replace the 5 retaining screws Incorrect fitting of the Gasket could seriously affect the Joystick Module s resistance to moisture ingress Connect the Joystick Cable to the...

Страница 121: ...Place the new keypad into position ensuring there are no gaps around the edges and press firmly to stick Re connect Joystick Cable to the Power Module Turn control system on the and check the operatio...

Страница 122: ...he starting point of your own diagnosis as it is possible for the controller to indicate a fault in another component even though the controller itself may be defective Nevertheless experience has sho...

Страница 123: ...efer to section 3 to establish the trip type 2 3 4 Display does not illuminate No power is reaching the control system Ensure the batteries are fully charged and that all connections between batteries...

Страница 124: ...ould be caused by a defective motor or defective brake 2 4 4 One motor or brake becomes very warm This could be caused by a defective motor or defective brake 2 4 5 Batteries discharge very quickly Th...

Страница 125: ...ge display is flashing rapidly then a four digit trip code will be displayed The trip code can be referred to the trip types using the table in section 3 You must connect the programmer to the control...

Страница 126: ...tor Wiring Trip 3 3 3 3D01 Left Motor Wiring Trip 3 3 3 3E00 Right Motor Wiring Trip 3 5 5 3E01 Right Motor Wiring Trip 3 5 5 5400 Communications Trip 3 12 7 S 4401 Control System Trip 3 8 8 7A03 Actu...

Страница 127: ...ion has short circuited to a battery connection Check the left hand motor connectors and wiring If the trip is still present after the above checks have been made then the Power Module may be defectiv...

Страница 128: ...power to the joystick check the joystick cable and if you have authorization the joystick ribbon cable connections and mating sockets 7103 Internal trip if you have authorization check the joystick ri...

Страница 129: ...aced by a person authorized by the wheelchair manufacturer Refer to Section 1 3 for the replacement procedure If you are not an authorized person then refer to Section 5 If the problem persists then e...

Страница 130: ...d for a period of time greater than the Current Limit Time This has been designed to notify the Healthcare Technician that the control system has opperated outside of its programmed range 3 17 High Te...

Страница 131: ...ind arising from failure to comply with this condition 4 1 General Inspection Make sure all connectors are securely mated Check the condition of all cables and connectors for damage Check the thin rub...

Страница 132: ...e the wheelchair forwards up its maximum rated gradient While on the gradient release the joystick and ensure the wheelchair comes to rest and the brakes are applied without the front wheels lifting o...

Страница 133: ...organization for repair Any replacement work carried out without the wheelchair manufacturer s permission will invalidate the control system s warranty Opening or making any unauthorized adjustments o...

Страница 134: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 122...

Страница 135: ...PG DRIVES TECHNOLOGY 123 CHAPTER 7 WARNING SUMMARY SK77898 2 CHAPTER 7 WARNING SUMMARY...

Страница 136: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 124...

Страница 137: ...designs and associated documentation 2 Warnings 2 1 Driving Technique The wheelchair user must be capable of driving a wheelchair safely PGDT accepts no liability for losses of any kind arising from f...

Страница 138: ...ation PGDT accepts no liability for losses of any kind arising from failure to comply with this condition The wheelchair user must comply with all wheelchair safety warnings PGDT accepts no liability...

Страница 139: ...ontrol system or charger itself or may result in parts overheating creating the potential for burns or even fire PGDT accepts no liability for losses of any kind if the charger is incompatible with th...

Страница 140: ...whole of the operating range PGDT accepts no liability for losses of any kind due to failure to or incorrect programming or the VR2 Control System Refer to Chapter 3 for programming details Programmin...

Страница 141: ...ecific data sheet are used to connect to the control system PGDT accepts no liability for losses of any kind arising from failure to comply with this condition The chair manufacturer is responsible fo...

Страница 142: ...t on a different chair type Control systems with different part numbers may have both hardware and software differences to ensure that they are compatible with the electrical and dynamic characteristi...

Страница 143: ...h parts specified in section 4 3 PGDT accepts no liability for losses of any kind arising from failure to comply with this condition Ensure that the charger plug pins are of the correct polarity to be...

Страница 144: ...parameter should only ever be set to off if there are no electrical brakes fitted to the wheelchair Chapter 3 section 7 9 2 21 Current Limits The values in the table VR2 Current Management should nev...

Страница 145: ...bserve this warning could result in an unsafe set up for the wheelchair user and may create a fire hazard depending on the motors wiring connectors and circuit breakers installed on the unauthorized c...

Страница 146: ...3 4 2 27 Lamp Wattage 24V 5W lamps can not be used PGDT accepts no liability for losses of any kind arising from damage to or failure of the wheelchair lighting system Chapter 4 section 4 2 2 28 Servi...

Страница 147: ...pt no liability for losses of any kind arising from the carrying out of the described tests or from not carrying out additional relevant tests These tests should be conducted in an open space and a re...

Страница 148: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 136...

Страница 149: ...PG DRIVES TECHNOLOGY 137 CHAPTER 6 SPECIFICATIONS SK77898 2 CHAPTER 8 SPECIFICATIONS...

Страница 150: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 138...

Страница 151: ...dc Brake Current 100mA min 1A max Charger Connector Use only Neutrik NC3MX Batt Charging Current 12Arms max Actuator Current 12A max Maximum Drive Current VR2 40 40A VR2 50 50A VR2 60 60A VR2 70 70A M...

Страница 152: ...VR2 CONTROL SYSTEM SK77898 2 PG DRIVES TECHNOLOGY 140...

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