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Chapter 3 : G91 Operation

3.1.3

ECU Modes

ECU Mode

No.

Item

Description

ECU Mode Indicator

Displays that ECU mode is selected .

ECU2 Indicators

Displays that ECU2 mode is selected.

3.1.4

Lighting Mode

Lighting Mode

No.

Item

Description

Headlight Indicator

Shows the status of the headlights. When illuminated,
the headlights are on.

Left Turn Indicator

Shows the status of the left indicator. When flashing,
the left indicator light is on.

Right Turn Indicator

Shows the status of the right indicator. When flashing,
the right indicator light is on.

Hazard Light Indicators

Shows the status of the hazard lights. When flashing,
the hazard lights are on.

Summary of Contents for DX-REMG91

Page 1: ......

Page 2: ......

Page 3: ...refers to equipment that is ancillary to the main functioning of the control system It does not refer to an accessory of the wheelchair The control system is a component of the wheelchair DX is not user serviceable Specialized tools are necessary for the repair of any component Do not install maintain or operate this equipment without reading understanding and following this manual including the S...

Page 4: ...tched Actuators 18 3 5 3 Bi directional actuators 18 3 5 4 Latched Bi directional actuators 19 3 5 5 3 Quadrant RIM Mode Actuators 20 3 6 ECU Modes 21 3 6 1 ECU 1 Mode 21 3 6 2 ECU 2 Mode 22 3 7 Lighting Mode 23 3 8 3 Quadrant RIM Modes 24 3 8 1 3 Quadrant RIM Proportional Mode 24 3 8 2 3 Quadrant RIM Switch Mode 25 3 9 Joystick Only Operating Mode 26 3 9 1 Joystick Only Menu Map 27 3 10 The Joyst...

Page 5: ...g Chair Stability Controllability 52 6 5 Programmable Joystick Throw Shape 54 7 Diagnostics 56 7 1 Introduction 56 7 2 Diagnostics Tools 56 7 3 Flash Codes 57 7 4 G91 Specific Indications 60 7 5 Limp Mode 60 7 6 Battery Gauge 61 8 Specifications 62 8 1 Electrical 62 8 2 Mechanical 62 8 3 External Dimensions 63 9 Appendices 64 9 1 Programmable Parameters details 64 9 2 Programming Accessories 66 9 ...

Page 6: ...GBK64048 Issue 3 February 2012 ...

Page 7: ...e expanded and customized to particular end user needs and handles the requirements from driving to full environmental control A power module and secondary remote are required along with two DXBUS cables to form the base of a G91 DX system A variety of modules are available to access additional functions and features Example DX System Wizard ...

Page 8: ...GBK63648 Issue 3 February 2012 2 THIS PAGE IS LEFT BLANK INTENTIONALLY ...

Page 9: ...isplays for intuitive operation Two Environmental Control Unit ECU modes Latched and BI directional Actuator options High power horn output Full range of audible feedback options including reversing beeper Programmable Mode Reset Timing Mechanically protected switch inputs Two G91 variants are available DX REMG91 Featuring three jack sockets for external switches DX REMG91S Building on the functio...

Page 10: ...GBK63648 Issue 3 February 2012 4 THIS PAGE IS LEFT BLANK INTENTIONALLY ...

Page 11: ...f icons and indicators all shown illuminated below 3 1 1 Drive Mode Display Drive Mode Display No Item Description 1 7 Segment Display Displays the current Drive Profile It also displays the Lighting Menu and Horn Menu if enabled Attendant control mode is shown by A Inhibit mode is shown by 2 Reverse Mode Indicator Flashes to display that a reverse driving mode has been selected Refer to Section 3...

Page 12: ...t In Space DX CLAMB output 1 Back Recline DX CLAMB output 2 Seat Raise DX CLAMB output 5 Right Foot Rest DX CLAMB output 4 5 Extend Actuator When illuminated operating the input device will extend the selected actuator seat function Used in 3 Quadrant RIM Mode 6 Retract Actuator When illuminated operating the input device will retract the selected actuator seat function Used in 3 Quadrant RIM Mode...

Page 13: ...scription 9 Headlight Indicator Shows the status of the headlights When illuminated the headlights are on 10 Left Turn Indicator Shows the status of the left indicator When flashing the left indicator light is on 11 Right Turn Indicator Shows the status of the right indicator When flashing the right indicator light is on 12 Hazard Light Indicators Shows the status of the hazard lights When flashin...

Page 14: ...m Description 13 System Status LED Green LED denotes the status of the system on steady indicates no system faults flashing indicates a fault Refer Section 7 3 Flash Codes 14 Battery Gauge 6 multi coloured LEDs indicate charge state of the battery All 6 LEDs illuminated indicate a full charge ...

Page 15: ...1 On Off Button Press the On Off button to turn the power on The current battery charge will be indicated and the System Status LED will illuminate Press the On Off button again to turn the power off 2 Horn Pressing the Horn button will sound the horn for as long as the button is pressed ...

Page 16: ...on is pressed the drive profile will increase by a single increment with each press until the maximum configured value is reached The Drive Mode button does not enter any available accessory modes Note The programmable parameter Change Profile While Driving can be used to select if changes to drive profile whist driving are required The programmable parameter Wrap Profiles is not used for this pro...

Page 17: ... accessory function e g actuator control If you are already in an Accessory Mode further presses of ASK will take you to the next available accessory mode e g lighting or horn if these menus are enabled To return to Driving simply press the Drive Mode button To return to Accessories press the ESK button This feature significantly reduces the complexity and number of key presses to access actuator ...

Page 18: ...t Position and labelling Jack sockets are provided on the G91 for accessing functions via 3rd party switches These connections are protected by a screw down cover and are clearly labelled inside the cover Maximum tightening torque for the M3 cover screw is 0 6 Nm ...

Page 19: ...Chapter 3 G91 Operation 13 When the 3rd party switches are connected ensure the wiring is routed suitably and exits from the cable outlet in the cover as shown below ...

Page 20: ...s to help prevent accidental inadvertent selection of accessory options If the chair is driving and the Mode Jack is used the drive profile will increase by a single increment with each press until the maximum configured value is reached Subsequent presses will then cycle through the available drive profiles In 3 Quadrant RIM Mode the function of the Mode jack socket can be selected with the param...

Page 21: ... when in Lighting Mode Scanner G91S only Select desired function Refer to Section 4 G91S Operation for further information Warning Do not operate any G91 without the cover installed correctly The cover is an essential part of the ingress protection Warning The cables must be adequately routed and secured to prevent cutting crushing chaffing or other physical damage or abuse This includes the preve...

Page 22: ...These options can be enabled using Wizard See Programming section 6 3 1 3 4 1 Unmonitored switch circuit with a Standard Switch Allows the use of a standard Normally Open or Normally Closed switch but will NOT detect a failure in any part of the switch circuit 3 4 2 Monitored circuit with a modified switch This option is the most secure and is the recommended option for safety critical application...

Page 23: ...ogrammed Joystick Switch Threshold will determine the joystick deflection required to operate any Actuator functions The programmable option Both Leg Rests Enable allows extra flexibility by simultaneous operation of DX CLAMB channels 3 and 4 refer Section 5 3 3 5 1 Conventional Actuators This is the default configuration for G91 actuator control ...

Page 24: ...n Space Only Actuators that are not latched will operate in Momentary mode as 3 4 1 Note When using Latched Actuators if the actuator is required to travel along its full length without interruption the parameter Actuator Timeout should be set to a value seconds slightly higher than the maximum travel time of the actuators 3 5 3 Bi directional actuators The programmable option Bi directional Actua...

Page 25: ...give a sophisticated solution When an actuator is moving any user input will stop the actuator Note When using Latched Actuators if the actuator is required to travel along its full length without interruption the parameter Actuator Timeout should be set to a value seconds slightly higher than the maximum travel time of the actuators ...

Page 26: ... for head control applications In 3 Quadrant RIM Modes actuator control is always bi directional and the parameter Bi directional Actuators is ignored Latched Actuators can be selected as required and operates as defined in 3 4 4 The Extend and Retract Indicators are used to clearly display the direction the actuator will move in when selected 3 Quadrant RIM Mode Latched 3 Quadrant RIM Mode Moment...

Page 27: ...een selected Refer to DX ECU installation manual GBK64227 for further details ECU modes are completely plug and play no programming is required Simply connect a DX ECU module and cycle the power The programmed Joystick Switch Threshold will determine the joystick deflection required to operate the ECU functions 3 6 1 ECU 1 Mode When in ECU1 mode the ECU indicator will always be illuminated The ECU...

Page 28: ... input device Once the relevant outputs have been selected the forward direction will operate channels 1 to 4 as shown in the table below A 3rd party switch connected to the AUX jack socket will operate DX ECU channels 5 to 8 as shown in the table below ECU2 can be programmed to give latched functions When latched operation has been selected each selection of the forward direction or Aux switch wi...

Page 29: ...tors Moving the joystick right will toggle the right turn Indicators Moving the joystick backward will toggle the Hazard Lights The Aux Jack socket will operate the Hazard Lights and should be used in 3 Quadrant RIM Modes This menu option can be disabled with the parameter Lighting Menu set to No The programmed Joystick Switch Threshold will determine the joystick input device deflection required ...

Page 30: ... be selected 3 8 1 3 Quadrant RIM Proportional Mode This is primarily used with a proportional 3 Quadrant head control where the user can not provide a reverse command Equally it can be used where a traditional joystick can not be moved in the forward direction In this mode the reverse command is always ignored This could be a DX RJM or similar Note In 3 Quadrant proportional mode and using a prop...

Page 31: ...ch press will toggle the forward to reverse and illuminates the Reverse Mode Indicator and gives a double beep audible output Pressing the switch again gives a single beep audible output and cancels the Reverse Mode Indicator If the parameter Change Profile While Driving is set to No a short press stops the wheelchair Long Press In drive mode a long press will change mode including available acces...

Page 32: ...joystick selects the desired mode Once the desired mode has been selected the operation is via the normal joystick inputs described in the relevant section The currently selected mode will flash after a period of inactivity as set by the joystick only timeout parameter For example if the joystick only timeout parameter is set to 3 seconds after that time the G91 will return to the home level Anoth...

Page 33: ...Chapter 3 G91 Operation 27 3 9 1 Joystick Only Menu Map ...

Page 34: ...eed to be customized For details on correct use of this parameter please refer to Section 6 5 Programmable Joystick Throw Shape The programmable parameter Joystick Switch Threshold determines the amount of joystick movement to operate accessory modes such as actuators Joystick Out of Neutral at Power up OONAPU occurs if the joystick is out of neutral when switched on If this happens the System Sta...

Page 35: ...n before connection Once the Battery Charger displays a full battery charge the battery charger plug may be removed Warning Before connecting the battery charger ensure that it is compatible with the G91 The configuration of the G91 is Pin 1 Battery Positive B Pin 2 Battery Negative B Pin 3 Inhibit The inhibit signal must be provided from pin 2 to pin 3 of the battery charger plug Dynamic Controls...

Page 36: ...he user to return to the home level without waiting for the complete scan cycle A choice of 4 pre defined scan patterns can be selected via the Wizard Note The following parameters must be set within Wizard to enable the operation of the G91S in Scanning Mode Input Scanner Scan time must be set to greater than zero range 0 5 6 3 Seconds Scan cycles 3 i e three cycles before going to standby Scan p...

Page 37: ...ble The G91S will scan through at the programmed scan rate for the number of cycles set before returning to standby mode if no operation is selected After every selection the G91S returns to the home mode before continuing to scan through the available modes of operation for the selected number of cycles Drive Mode Actuator Mode ECU 1 Mode ECU 2 Mode Horn Mode Lighting Mode ...

Page 38: ...hrough the drive profiles available 1 2 n Press AUX when desired drive profile is lit to select the profile The scan pattern will start The G91S will return to the home level after the programmed number of scan cycles is reached To drive press the AUX button when the desired direction indicator is illuminated Example Pressing the AUX button now would result in the chair turning right ...

Page 39: ...atterns which can be selected using the Wizard software The LED s 1 6 shown on the right are scanned according to the patterns listed below The desired pattern is selected using the Scan Pattern parameter in Wizard Available Scan Pattern sequences are Pattern 1 1 2 3 4 Pattern 2 1 5 6 2 3 4 ...

Page 40: ...GBK63648 Issue 3 February 2012 34 Pattern 3 1 2 1 3 1 4 Pattern 4 1 5 1 6 1 2 1 3 1 4 ...

Page 41: ...essing the AUX button will drive the actuator The operation can be either Momentary or Latched this is programmable via Wizard If in momentary mode releasing the AUX button will stop actuator drive and the extend retract LED s will cycle If Latched the AUX button must be pressed to stop actuator drive and to start the extend retract scan cycle If the Aux button is not pressed the G91S will scan th...

Page 42: ...t will be active momentarily whilst the AUX button is pressed The selected ECU2 output symbol will continue to flash Every press of AUX will cause an active output The G91S will remain flashing on the selected output until the AUX button is pressed for greater than 3 times the Scan Rate The G91S will return to Home Level Latched Mode In Latched mode when the selected ECU2 output is selected the ou...

Page 43: ...See section 6 3 To activate the Lights press Aux when the Lights symbol is displayed The scan sequence for the lights is shown below Pressing Aux will enable the relevant lights The G91S will complete the cycle shown below for the number of scan patterns enabled before returning to the main scan routine after the AUX button has been pressed ...

Page 44: ... Issue 3 February 2012 38 4 7 Horn Scanning Mode To access the Horn menu the relevant parameters need to be enabled within Wizard See section 6 3 To Activate the horn press Aux when the Horn symbol is displayed ...

Page 45: ...Chapter 4 G91S Operation 39 THIS PAGE IS LEFT BLANK INTENTIONALLY ...

Page 46: ...tion of more than 7mm into the case Maximum tightening torque of the screws is 2Nm If the G91 is tray mounted particular care must be taken to prevent direct collision of the product into immovable objects such as a desk Water ingress should be prevented by putting a seal between the G91 and the tray If the G91 is designed to rotate then the housing should be designed to cover and seal the cables ...

Page 47: ...installation select a screw length that protrudes no more than 7 mm into the case Do not over tighten Warning All G91 variants are not waterproof and must be protected from water ingress as appropriate Note If the programmer socket needs to be accessible when the DX Remote is mounted make allowance for this prior to fitting ...

Page 48: ...BUS cable pins Warning The cables must be adequately routed and secured to prevent cutting crushing chaffing or other physical damage or abuse This includes the prevention of the cables being caught or snagged on external objects The wheelchair user maintenance schedule and service instructions should include appropriate inspection and maintenance requirements for connectors cables and wiring Note...

Page 49: ...s LED at least one of the battery LEDs will be on and the Mode display will indicate a number from 1 5 5 Press the Power button again to turn the system off Ensure it turns off correctly Press it again to turn it on 6 Press the Mode button a number of times Check that the display changes as expected 7 Ensure the horn is functioning correctly by pressing the Horn button 8 Check all other switches o...

Page 50: ...uals of all other DX Modules used on the wheelchair 19 Repeat testing as required until chair performance is as expected Note The first time the G91 is turned on the System Status LED will flash a fault This is because the G91 must download its information to the DX Power Module Turn the remote off then back on to clear this fault ...

Page 51: ...Chapter 5 Installation and Testing 45 THIS PAGE IS LEFT BLANK INTENTIONALLY ...

Page 52: ...ng the programmed features and functions With inappropriate programming settings certain features and options may not be accessible or perform as expected 6 1 Introduction DX is a fully programmable system which can be optimised for particular chair types and to suit the driving environment and preferences of individual users The driving performance of the DX System is dependent on its programming...

Page 53: ...e servicing by down loading the correct programming to a replacement DX Module If a DX Module is replaced it is likely that the replacement module is programmed differently from the one that it replaces This could leave the wheelchair in a dangerous condition DX automatically detects that a DX Module swap has occurred and the programmed data from the old module is transferred to the replacement mo...

Page 54: ...meout period has elapsed without user activity This parameter only applies to the Joystick Only input type and is highly recommended Set to 0 to disable this function Lighting Menu If set to Yes Lighting will be offered in the Accessory control menu and can be controlled with the joystick Set this to No for users without lights Horn Menu If set to Yes a Horn option will be offered in the Accessory...

Page 55: ...plies to all options Scan Pattern Select desired scan pattern Applies to driving only Auxiliary Switch Monitoring Set to Yes if the auxiliary switch has monitor resistor s This provides detection for disconnected and failed switches and is highly recommended Set to No for switches without monitor resistor s Mode Switch Monitoring Set to Yes if the mode switch has monitor resistor s This provides d...

Page 56: ...ols Forward Speed Minimum Defines the maximum speeds when the joystick is fully deflected in the stated direction while G91 is in the selected Drive Profile 1 5 Used if the Chair Speed adjustment is enabled or the speed pot if fitted is down Reverse Speed Minimum Defines the maximum speeds when the joystick is fully deflected in the stated direction while G91 is in the selected Drive Profile 1 5 U...

Page 57: ... control driving in other profiles No allows them to be used for driving only To allow driving also set the Joystick Source to ARC in the selected profile ARC drives Actuator 3 This provides an option for what the actuator 3 switches of the DX ARC5 or DX ARC SWB switchbox are used for Yes enables control of actuator 3 No enables these switches to control the left and right indicators Press both sw...

Page 58: ...r Grip at all up to a value of 100 which causes a progressive temporary reduction in Speed X Turn for Grip under these acceleration conditions Accel into a Turn for Grip A temporary modifier of Speed X Turn for Grip when a user requests fast sideways acceleration while the chair is moving forward A value of 0 does not effect Speed X Turn for Grip at all up to a value of 100 which causes a progress...

Page 59: ...h speed forward or it may be stable making a fast turn on the spot but it may be unstable making a sharp turn at a high speed For any chair design there is a maximum combined value of Speed and Turn for which the chair will not lose control Loss of control means the chair s inertia and turn component are such that the tyres skid rendering any action from the controller ineffective The chair design...

Page 60: ...l to use the Short Throw Travel parameter to reduce the amount of deflection and therefore pressure required However as the Short Throw Travel is reduced the shape of the overall restrictor plate changes This may have the negative effect of eliminating the turn speed interlock by producing a restrictor plate shape that allows full forward speed and full turn which can be dangerous Using the Short ...

Page 61: ...Chapter 6 Programming G91 55 THIS PAGE IS LEFT BLANK INTENTIONALLY ...

Page 62: ...mer Plugging a hand held programmer into the G91 when an abnormal condition exists will cause the fault to be displayed The HHP will display what the detected fault is DYNAMIC Wizard Wizard is the preferred diagnostics tool in the workshop environment providing a full fault history and shows any current faults If after analysing the data the condition cannot be diagnosed it is possible to print sa...

Page 63: ... be present i e the DX Lighting Module 2 DX Accessory Fault C There is a fault in an accessory device attached to a DX Module excluding the PM Examples include a disengaged clutch a light bulb is short or open circuit an actuator terminal is shorted to Battery A Check all accessory devices connected to your DX System C A DX module with a Slow stop input e g CLAMB is set to slow or stop This may no...

Page 64: ...k continuity between the 2 Positronic park brake pins A Ensure there is no continuity between motor park brake terminals 7 Low Battery Fault C The battery charge is not sufficient to allow safe driving It has fallen below 17V A Check battery connection terminals The battery voltage should be similar when then battery is on charge and when it isn t A Check that fuses have not blown or circuit break...

Page 65: ... were already switched on when the DX System was turned on Flash Code 10 and Limp Mode slow driving may result To clear this fault turn the Hazard Lights off the turn the DX System off then on again 11 Stall Timeout Fault C The motor current has been at or close to current limit for longer than the Stall Timeout parameter value A Turn the DX System off then on again C Motor s are faulty Wheel s ma...

Page 66: ...segment display will show J To rectify the issue connect the selected input device and check the program Please contact your local Dynamic Representative for further details and assistance 7 5 Limp Mode If the DX System detects some very rare faults it will revert to Limp Mode This is a reduced speed mode that recognizes problems but allows the wheelchair user to limp home where the problem can be...

Page 67: ...he batteries are full or faulty A The warning will reset when the battery voltage drops below 28V The wheelchair will drive during this fault 2 6 Battery Low Warning C The battery voltage has dropped below 23 3V when the joystick is in neutral C The batteries and or wiring is faulty A Recharge batteries and or check wiring Battery Low Warning s usually coincides with a Low Capacity Warning 2 Low C...

Page 68: ...rrent 1mA Off typically 100mA On 8 2 Mechanical Parameter DX REMG91 x Material Plastic Protection Rating IPx4 Shipping Weight 275g Min Nominal Max Units Operating Temperature Range 25 50 C Storage Temperature Range 40 65 C Operating Humidity Range 0 90 RH Warning Do not operate any G91 variant without the rear cover installed correctly The cover is an essential part of the ingress protection ...

Page 69: ...Chapter 9 Appendices 63 8 3 External Dimensions All dimensions in mm ...

Page 70: ...IM Switched 3Q RIM Proportional Scanner Joystick Only Joystick Only Timeout 0 255 sec Lighting Menu Yes No Horn Menu Yes No ECU2 is Latched Yes No LED Test Pattern Yes No Both Leg Rests Enable Yes No Bi directional Actuators Yes No Latched Actuators None all Seat raise only tilt in space Reversing Beeper Yes No Mode Change Beep Yes No Mode Switch Press Time 0 0 3 1 sec Scan Cycle 1 5 sec Scan Time...

Page 71: ...M34 and DX REMG90 However as described in note 1 the selection is the same with Wizard Connect the alternate input device e g a DX RJM etc Switch on the G91 and select the desired profile 1 5 with a Mode button Insert the HHP and cycle through the available options Speed Acceleration etc The final option will be the Joystick Source as shown below Press Up Down to select input device Exit to confir...

Page 72: ...on DC Part Qty Unit Wizard 5 Kit Programming Kit Contains software cables and adapter no Dongle DWIZ5 KIT 1 Wizard 5 Software Only CD DWIZ5 SW 1 Wizard Dongle OEM or Dealer version Parallel Port DWD OEM or DWD DLR 1 Wizard Dongle OEM or Dealer version USB DWD OEM U or DWD DLR U 1 DX Hand Held Programmer DX HHP 1 ...

Page 73: ...on Europe The DX Controller is a component of a Class I medical device as detailed in the Council Directive 93 42 EEC concerning Medical Devices USA The DX Controller is a component of a Class II medical device Powered Wheelchair as detailed in 21 CFR 890 3860 Compliance and Conformance with Standards In accordance with the device classification the DX wheelchair controller is designed to comply w...

Page 74: ...nted by the company to be free from faulty materials or workmanship If any defect is found within the warranty period the company will repair the equipment or at its discretion replace the equipment without charge for materials and labour This Warranty is subject to the provisions that the equipment has been thoroughly checked upon completion of installation and all programmable options correctly ...

Page 75: ...djustments should only be made indoors or outdoors in dry conditions The user should turn the system off before getting in and out of the vehicle Do not operate the vehicle if it behaves erratically or shows abnormal response heating smoke or arcing Turn the system off at once and consult your service agent If the vehicle drives without demand press the Power button Ensure that the battery charger...

Page 76: ... ensure that the system is behaving normally If not the system must be turned off and a service agent contacted Report any malfunctions immediately to your service agent Service and Configuration Warnings The following warnings are applicable to the installer only It is the responsibility of the therapist installer to ensure the final set up of the vehicle is appropriate for the specific abilities...

Page 77: ...issions Motors Motor brushes generate electromagnetic emissions It may be necessary to fit capacitors between the brush holders and motor case Ensure the leads are kept as short as possible A suitable capacitor is 4n7 250V Polypropylene Wiring Keep wire lengths as short as practical for a tidy layout Minimize any wire loops particularly loops of single wires as opposed to wire pairs Endeavour to r...

Page 78: ... supplied from an environmentally aware manufacturer Please be environmentally responsible and recycle this product at the end of its life through your local recycling facility This product may contain substances that could be harmful to the environment if disposed of into a landfill ...

Page 79: ...Chapter 9 Appendices 73 ...

Page 80: ...13 Ph 61 2 9887 2824 Fax 61 2 9887 2114 E mail support dynamiccontrols com E mail fredems ozemail com au Europe Sales Service Asia Sales Dynamic Europe Ltd Dynamic Controls Ltd Asia Stonebridge Cross Business Park Droitwich Worcestershire WR9 0LW United Kingdom Ph 44 1905 772 321 Fax 44 1905 827 520 Floor 4 3 No 59 Tien Hsiang Rd Chung Shan District Taipei 104 Taiwan R O C Ph 886 955 335 243 Fax 8...

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