Dynamic DX-REMG91 User manual

About this Manual
This manual has been designed to help you install and configure a Dynamic
DX-REMG91/DX-REMG91S powerchair control unit for a ‘generic’ brand powerchair. For this
reason there are no guidelines for specific applications. If there is a specific requirement for
your application, please contact Dynamic Controls or one of the sales and service agents, to
assist you.
This manual should be read in conjunction with all other relevant DX-System manuals.
Throughout this manual there are a few symbols that will help you quickly identify the purpose
of the paragraph that follows:
Notes & Precautions:
Notes provide supporting information for the previous paragraph or
section that should be followed in order to install, configure, and
use the product safely and efficiently.
Warnings:
Warnings provide important information for the previous paragraph
or section that must be followed in order to install, configure, and
use the product safely and efficiently.
The term „programming‟ used throughout this manual refers to adjusting parameters and
configuring options to suit an application. ‘Programming’ does not change or alter any
software within the controller and is performed using a controlled programming tool available
only to authorised personnel.
The term „accessory‟ used throughout this manual 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 Safety and Misuse Warnings –otherwise injury or damage
may result.
Due to continuous product improvement Dynamic reserves the right to update this manual. This
manual supersedes all previous issues, which must no longer be used.
Dynamic reserves the right to change the product without notification.
Any attempt to gain access to or in any way abuse the electronic components and
associated assemblies that make up the powerchair system renders the manufacturer’s
warranty void and the manufacturer free from liability.
Dynamic and the Dynamic logo are trademarks of Dynamic Controls.
All other brand and product names, fonts, and company names and logos are trademarks or
registered trademarks of their respective companies.
Dynamic owns and will retain all trademark rights and Dynamic or its licensors own and will
retain all copyright, trade secret and other proprietary rights, in and to the documentation.
All materials contained within this manual, in hard-copy or electronic format, are protected by
copyright laws and other intellectual property laws.
© Copyright 2005 Dynamic Controls. All rights reserved

GBK64048: Issue 3 –February 2012
Contents
1Introducing DX ........................................................ 1
2Introducing the G91................................................ 3
3G91 Operation ........................................................ 5
3.1 Display Area ................................................................................ 5
3.1.1 Drive Mode Display......................................................... 5
3.1.2 Actuator Mode Display.................................................. 6
3.1.3 ECU Modes....................................................................... 7
3.1.4 Lighting Mode.................................................................. 7
3.1.5 Status Information ........................................................... 8
3.2 Keypad ........................................................................................ 9
3.3 Jack Sockets ............................................................................. 12
3.4 Jack Socket Switch Monitoring .............................................. 16
3.4.1 Unmonitored switch circuit with a Standard Switch 16
3.4.2 Monitored circuit with a modified switch.................. 16
3.5 Actuator Options...................................................................... 17
3.5.1 Conventional Actuators............................................... 17
3.5.2 Latched 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 Joystick ............................................................................... 28
3.11 Charging.................................................................................... 29
4G91S Operation..................................................... 30
4.1 Scanning.................................................................................... 30
4.2 Mode Selection (Home Level) ............................................... 31
4.3 Driving ........................................................................................ 32
4.3.1 Scan Pattern Selection................................................. 33
4.4 Actuator Scanning Mode....................................................... 35
4.5 ECU Scanning Modes .............................................................. 36
4.5.1 ECU1 Mode .................................................................... 36
4.5.2 ECU2 Mode .................................................................... 36
4.6 Lighting Scanning Mode......................................................... 37
4.7 Horn Scanning Mode............................................................... 38

Table of Contents
5Installation and Testing......................................... 40
5.1 Mounting ................................................................................... 40
5.2 Mounting Accessories ............................................................. 41
5.3 G91 Connection with the DX System .................................... 42
5.4 Testing ........................................................................................ 43
6Programming G91................................................. 46
6.1 Introduction............................................................................... 46
6.2 Auto Download ........................................................................ 47
6.3 Programming with Wizard....................................................... 48
6.3.1 Wizard Section: REMG91(S) Specific Options ........... 48
6.3.2 Wizard Various Sections: Chair Speed Options ........ 50
6.3.3 Wizard Section: Remote Control Settings.................. 51
6.4 Optimising Chair Stability & Controllability ........................... 52
6.5 Programmable Joystick Throw/Shape.................................. 54
7Diagnostics ............................................................ 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
8Specifications........................................................ 62
8.1 Electrical .................................................................................... 62
8.2 Mechanical............................................................................... 62
8.3 External Dimensions ................................................................. 63
9Appendices........................................................... 64
9.1 Programmable Parameters (details)..................................... 64
9.2 Programming Accessories ...................................................... 66
9.3 Intended Use and Regulatory Statement ............................ 67
9.4 Maintenance ............................................................................ 68
9.5 Warranty .................................................................................... 68
9.6 Safety and Misuse Warnings................................................... 69
9.7 Electromagnetic Compatibility (EMC) ................................. 71
9.8 Environmental Statement ....................................................... 72
9.9 Contact Details ........................................................................ 74

GBK64048: Issue 3 –February 2012

Chapter 1: Introducing DX
1
1Introducing DX
DX is a modular, expandable power wheelchair control system. This modularity allows
the system to be 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

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Chapter 2: Introducing the G91
3
2Introducing the G91
The DX-G91 is a DX master remote with many new features and enhancements
including:
Multiple control methods and highly configurable
oHead control, 3 Quadrant RIM Switched
oHead control, 3 Quadrant RIM Proportional
oJoystick Only operation
oDirect Access buttons
oSingle Switch Scanning (G91S)
Improved drive performance, including front wheel drive options
A large, Super Bright Display for enhanced visibility in bright sunlight
3 Switch Inputs
Multi-Colour Icon based displays 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 functionality of the DX-REMG91 by adding single switch
scanning.
A DX wheelchair control system comprises of two or more compatible
modules. Each module has its own installation manual.
This manual describes the G91 and its variants only and therefore must
be read in conjunction with the other DX Modules to be used in your
application.

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Chapter 3 : G91 Operation
5
3G91 Operation
3.1 Display Area
The G91 display area is a sophisticated means of providing information and feedback
about the system and functionality.
The display consists of functional groups of 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 3.8 - 3 Quadrant RIM
Modes

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3.1.2 Actuator Mode Display
Actuator Mode Display
No.
Item
Description
3
Actuator Mode
Indicator
Displays that actuator mode is selected. Used in all
modes
4
Actuator Icons
The selected actuator is indicated by a flashing
icon. Only enabled actuators are illuminated.
Left Foot Rest
DX-CLAMB output 3
Seat Tilt-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.
Note:
To ensure wiring compatibility with existing DX products such as the
DX-REMG90A and DX-REM34, the DX-CLAMB outputs above should be
used.

Chapter 3 : G91 Operation
7
3.1.3 ECU Modes
ECU Mode
No.
Item
Description
7
ECU Mode Indicator
Displays that ECU mode is selected .
8
ECU2 Indicators
Displays that ECU2 mode is selected.
3.1.4 Lighting Mode
Lighting Mode
No.
Item
Description
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 flashing,
the hazard lights are on.

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3.1.5 Status Information
Status Information Display
No.
Item
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.

Chapter 3 : G91 Operation
9
3.2 Keypad
The G91 has the following keypad layout:
DX-REMG91
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.

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3. Drive Mode
Each press of the Mode button will increment the drive profile,
up to the maximum configured value and then back to profile
1. The current drive profile will be shown in the 7 Segment
Display.
If Accessory or ECU functions are being operated, a press of
the Mode button will return to the last used drive profile.
Note:
If the chair is driving and the Drive Mode button 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
product.
Note:
If the profile up button must be fail safe in a specific installation use the
REMG91/S mode input.
If the power button must be fail safe in a specific installation use the
REMG91/S power input instead.
.

Chapter 3 : G91 Operation
11
4. ESK (Environmental Shortcut Key)
Pressing the ESK will navigate you to the last used ECU mode,
e.g. ECU1 mode. If you are already in ECU Mode, a press of
ESK will take you to the next available ECU mode, e.g. ECU2.
To return to Driving, simply press the Drive Mode button.
To return to Accessories, simply press ASK. This feature
significantly reduces the complexity and number of key
presses to access ECU features.
5. ASK (Accessory Shortcut Key)
Pressing the ASK button will navigate you to the last used
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 features.
Note:
If the chair is driving and the ASK or ESK button is pressed, the
command is ignored until the chair has stopped to help prevent
inadvertent selection of accessory options
Note:
The programmable parameter Allow non-driving Profile must be set
to ‘Yes’ to access accessory options, this is set to ‘yes’ as a default.

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3.3 Jack Sockets
Jack Socket 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.

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.

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14
1. On/Off Jack Socket
The function of the switch connected to this jack socket is
identical to the On/Off button.
Press the On/Off switch to turn power on.
Press the On/Off button again to turn the power off.
2. Mode Jack Socket
The function of the Mode jack socket is different to the
keypad‟s Drive Mode Button.
Available Accessory and ECU modes can be entered using
the Mode Jack when not driving. This is 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 parameter Mode Press Time.
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
product variant.