Dynamic DX

MT
3
Contents
1 Introduction to the DX System .................................9
The heart of the DX System..................................................................... 9
DX System extensions............................................................................... 9
DX System connections ........................................................................... 9
One system fits all ..................................................................................... 9
2 A typical DX powerchair setup..............................10
2.1 Installation procedure................................................................... 11
2.1.1 General wiring recommendations............................. 12
2.2 The batteries................................................................................... 13
2.2.1 Battery type ................................................................... 13
2.2.2 Battery capacity ...........................................................13
2.2.3 Battery charging ........................................................... 15
2.2.4 Battery protection......................................................... 16
2.2.4.1 Thermal circuit breakers................................................. 16
2.2.4.2 Battery Saver.................................................................... 16
2.2.4.3 High Voltage Rollback.................................................... 16
2.3 The motors....................................................................................... 17
2.3.1 Motor types.................................................................... 17
2.3.2 Motor connections .......................................................18
2.3.3 Motor resistance............................................................18
2.4 The parkbrakes............................................................................... 19
2.4.1 Parkbrake types............................................................. 19
2.4.2 Parkbrake configurations............................................. 19
2.4.2.1 Two 24V parkbrakes – Dual, M1 and M2..................... 19
2.4.2.2 One 24V parkbrake – Single, M1 only.......................... 20
2.4.2.3 Two 12V parkbrakes........................................................ 21
2.4.3 Manual parkbrake release switch.............................. 22
2.4.4 Mechanical parkbrake release..................................22
2.4.5 Parkbrake operation and programming...................22
2.4.5.1 Electrical delay................................................................ 23
2.4.5.2 Mechanical delay........................................................... 23
3 The DX BUS ...............................................................25
3.1 The DX BUS cable........................................................................... 26
3.2 DX BUS Module connection layout............................................. 28