Dynamic DX Power Module PMB Manual de usuario
No. 63824, Issue 2. July 1998
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DX Power Module
(PMB, PMB1, PMB2, PMB-S)
Installation Manual
Order/Part Number for this Manual : GBK63824 issue 2
Important Notes
1. Read this Manual carefully before installing or operating your DX control system.
2. Due to continuous product improvement Dynamic reserves the right to update this Manual.
This Manual supersedes all previous issues which must not continue to be used.
3. Any attempt to gain access to or in anyway abuse the electronic components and
associated assemblies that make up the wheelchair control system renders the
Manufacturer’s Warranty void and the Manufacturer free from liability.
Contents
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PM Variants .............................................. 1
Example DX Systems ....................................... 2
A PM/PM1/PM2 System ............................... 2
A PM-S System ...................................... 3
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General Features .......................................... 5
Safety and Protection Features ................................ 6
Programmable Characteristics ................................ 7
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Electrical ................................................ 8
PM Left and Right Motor Outputs ........................ 8
PM1LeftandRightMotorOutputs....................... 9
PM2 Left and Right Motor Outputs ....................... 9
PM-S Drive Motor Output ............................. 10
PM, PM1 and PM2 Left and Right Park Brake Outputs ...... 10
PM-S Left and Right Park Brake Outputs ................. 10
Mechanical .............................................. 11
Environmental ........................................... 12
Temperature and Humidity Specification ................. 12
Electromagnetic Compatibility Specification ............... 12
Standards .......................................... 12
Vibration Specification ............................... 12
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General ................................................. 13
Mounting ............................................... 14
Mounting Rules ..................................... 14
General Mounting Considerations ....................... 15
PM Connection with the DX System .......................... 16
DXBUS Connections ................................. 16
DX Module Interconnection Topology Options ............ 17
Connections to other DX Modules ....................... 18
DXBUS Length and Voltage Drop Restrictions ............ 19
Contents
PM Connection with Motors and Park Brakes ................... 21
Motor and Park Brake Connector Pin Definitions ........... 21
Motor and Park Brake Connectors ....................... 22
Minimum Wire Sizes ................................. 22
PM-S Drive Motor Wiring ............................. 23
24V Park Brake Wiring (PM, PM1, PM2) ................ 24
12V Park Brake Wiring (PM, PM1, PM2) ................ 25
PM-S Park Brake Wiring .............................. 26
Park Brake Release Switches and Suppression Devices ...... 26
PM Connection with Batteries ............................... 27
BatteryConnector ................................... 27
Minimum Wire Sizes ................................. 28
Battery Wiring and Protection .......................... 28
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Battery Type ............................................. 30
Battery Charging ......................................... 30
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Introduction ............................................. 34
Default Programs ......................................... 34
Auto Download .......................................... 35
Programming Tools ....................................... 37
Dynamic Wizard .................................... 37
DX-HHP .......................................... 38
PM Wizard Programming .................................. 38
Introduction ........................................ 38
Parameter Specifications .............................. 40
Description of Parameters ............................. 41
PM HHP Programming .................................... 51
Initial Operation ..................................... 51
To Enable Technician Mode ........................... 52
Saving Changes ..................................... 53
Setting Veer Compensation ............................ 53
Setting Load Compensation ............................ 54
Contents
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Flash Codes ............................................. 56
Limp Mode .............................................. 61
Wizard Diagnostics ....................................... 62
To View Diagnostics ................................. 62
Status Report ............................................ 62
To View Status Report ................................ 62
Chair Log ............................................... 63
To View Chair Log .................................. 63
Chair Log Messages .................................. 63
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Disclaimer .............................................. 69
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Contents
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The DX Power Module (PM) is a DXBUS compatible module, which converts the
signals generated by a DX Remote into high current outputs. These outputs drive
the motors that control the wheelchair speed and direction. The combination of a
PM and DX Remote gives an exceptionally smooth, powerful and safe drive
system.
The PM is fully programmable to cater for a wide range of wheelchair types and
user needs. Correct installation and programming are essential to ensure optimum
performance and safety.
Note: This manual applies to DX-PMB, PMB1, PMB2 and PMB-S. The product
number is situated on the base of the unit.
This manual and others listed in section 2 must be read and understood. For more
information contact Dynamic Controls Ltd or an agent as listed in section 14.
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Inadditiontothe standardPM,therearethreevariants:PM-S,PM1 andPM2. The
PM-S is used in DX Systems with only one drive motor, like many servo steered
wheelchair systems. The PM1 and PM2 differ from the PM only by their higher
current outputs. Unless otherwise stated, all featuresof the PM apply to the PM-S,
PM1 and PM2.
The PM-S has its two motor and Park Brake channels driven in parallel, for a
single motor output with twice the current of each channel of a standard PM - see
the motor and Park Brake wiring in the Installation section. Note that a standard
PM is recommended for use on servo steered wheelchairs with separate left and
right drive motors, rather than using a PM-S.
Where the PM has a 60A per channel output, the PM1 has 70A and the PM2 80A
per channel output.
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A DX System with a standard PM, a PM1 or a PM2 may look like the following:
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A DX System using a PM-S will normally only have one drive motor, and will
contain a DX Servo Lighting Module (SLM) to drive the servo steering motor.
A PM-S system may look like the following :
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A DX System may comprise between two and sixteen DX compatible modules
depending on the application. Each DX Module has its own Installation Manual
which describes the installation requirements of that particular module.
This Manual describes installation of the PM only and must therefore be read in
conjunction with :
The DX Remote Installation Manual for the DX Remote to be used withthe
PM in your installation;
The DX Hand Held Programmer (DX HHP) Manual;
The Dynamic Wizard Installation Manual / Online Help;
The Installation Manuals for all other DX Modules to be used in your
application.
Installation Manual Re-order Information
(Please quote this information when re-ordering this manual)
DX Power Module - GBK63824
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The PM has the following general features:
Digital communications bus interface (DXBUS compatible), with remote
wake up and remote kill inputs via DXBUS;
Two identical DXBUS sockets with protected 12A RMS maximum battery
power supply;
Digital motor control;
Completelyprogrammableforparameterssuchasloadcompensation,motor
veer compensation, current limit level and dual or single Park Brakes;
Protected against external events such as:
- reverse battery
- battery under and over voltage
- overloaded motor or Park Brakes
- external short circuits
- stalled motor;
Extensiverangeofwheelchairsystemsafetyandprotectionfeaturessuchas:
- open circuit motor detection
- open and short circuit Park Brake detection
- controlled speed reduction to a stop if a fault is detected;
Electromagnetically compatible:
- low RF emissions
- low susceptibility to RF transmissions;
Environmentally compatible (sealed to IP54);
Built-in diagnostics with status LED and fault logging;
Compact, rugged enclosure with robust mounting points;
Approved by the German Safety Standards Authority TÜV.
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