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DX-SLM 

Servo Steering and Lighting Module 

DX-SLM INSTALLATION MANUAL 

GBK60027: Issue 5 - March 2014

 

 

DX-SLM  

Servo Steering and Lighting 

Module

 

THE 

ULTIMATE 

POWERCHAIR 

CONTROL 

SOLUTION 

M

T

M

T

Summary of Contents for DX-SLM

Page 1: ...DX SLM Servo Steering and Lighting Module DX SLM INSTALLATION MANUAL GBK60027 Issue 5 March 2014 DX SLM Servo Steering and Lighting Module THE ULTIMATE POWERCHAIR CONTROL SOLUTION M T M T...

Page 2: ......

Page 3: ...Definitions 17 5 4 2 21 Way Connector Wires and Terminations 17 5 4 3 Power Supply from the DX BUS 18 5 4 4 Power Supply from the Battery 19 5 4 5 SLM Connection to Lights 20 5 5 SLM Servo Connector 2...

Page 4: ...brating the SLM using the HHP 40 7 4 1 Initial Operation 40 7 4 2 Calibrating Parameters 41 8 Diagnostics 43 8 1 Troubleshooting 43 8 2 Flash Codes 43 8 3 Wizard Diagnostics 46 9 Maintenance 47 10 Saf...

Page 5: ...X2 PMAxx is required If only one drive motor is used then a single channel DX Power Module DX PMB2 S is required The lighting consists of sidelights and turn indicators The indicators can be flashed t...

Page 6: ...Held Programmer HHP Manual Wizard User Manual Installation Manuals for all other DX modules to be used in your system Important Notes 1 Read this Manual carefully before installing or operating your D...

Page 7: ...peed data and then sends it directly to the DX Power Module The direction signal is processed by the SLM and applied to the servo steering motor A position sense potentiometer tells the SLM the steeri...

Page 8: ...Thermal protection to reduce current limit Short circuit protection of all inputs and outputs except between motor and battery negative while driving Open circuit motor detection when not driving Driv...

Page 9: ...not in current limit VBAT 1 2V VBAT V IAV Continuous Average Current over programmable time period 5 A Peak Output Current for up to 5 seconds 30 A Servo Pot Input Output Symbol Parameter Min Nom Max...

Page 10: ...Parameter Min Nom Max Units Turn Indicator Outputs each output VTIO Output Voltage VBAT 1 VBAT 0 1 VBAT V ITIO Continuous Output Current 2 3 2 5 A Sidelight Head Tail Light Output VSLO Output Voltage...

Page 11: ...coat finish Case sealing Tamper proof IP54 if mounted as per mounting instructions SLM Configuration 4 3 Environmental Specifications Symbol Parameter Min Max Units Operating ambient temperature rang...

Page 12: ...r Section 5 3 3 SLM 21 Way Connector Refer Section 5 4 4 SLM Servo Connector Refer Section 5 5 5 Programming the SLM related parameters Refer Section 7 0 5 2 Mounting Optimum mounting orientation Fit...

Page 13: ...ase by more than 12 mm The SLM must be mounted in a position that offers the maximum protection from water and mechanical abuse Since there are no user accessible controls on the SLM it can be mounted...

Page 14: ...BUS Connector Cover should be fitted to the unused connector This complies with the ISO 7176 14 standard Like all other DX Modules the SLM is connected to the DX system using the DX BUS Refer to the...

Page 15: ...ar DX BUS Topology In line DX BUS Topology Mixed DX BUS Topology DX Power Module DX Module DX Module DX Module DX Module DX Module DX Module DX Module DX Module DX Module DX Module DX Remote Battery 2...

Page 16: ...e Drop Restrictions Due to signal distortion that increases with increasing DX BUS length the total length of all DX BUS cables must not exceed 15 metres in any topology Two of the DX BUS s four cores...

Page 17: ...the DX modules will have to be changed to place the SLM closer to the Power Module The above example illustrates a fundamental rule of DX Module interconnection all DX Modules that connect to high cu...

Page 18: ...ne Topology Two way star Topology Multi star Topology DX Power Module Battery 24V High Current Modules Nearest Power Module Low Current Modules Furthest away from Power Module H H H L L DX Power Modul...

Page 19: ...Order Number GCN 0795 DX Positronics Contact FC114N2 Lge Part Order Number GCN 0793 DX Positronics Contact FC116N2 Med Part Order Number GCN 0797 DX Positronics Contact FC120N2 Sml Part Order Number G...

Page 20: ...ors 10 A 2 0 mm motors 10 A FC116N2 FC114N2 Steering Power 1 0 mm motors 10 A 2 0 mm motors 10 A FC116N2 FC114N2 DX BUS 1 0 mm FC116N2 Lighting 1 0 mm FC116N2 Positronic Industries Ltd 5 4 3 Power Sup...

Page 21: ...battery negative terminals on the SLM must be used Note 1 Heavy lines denote 3 mm or heavier wire All other wires from the 21 way connector are as specified in section 5 4 2 2 Refer to the relevant D...

Page 22: ...ell deep cycle batteries Consult Dynamic Controls for other battery types It is recommended that two 12 V batteries with capacity greater than 20 A hours be used 5 4 5 SLM Connection to Lights There a...

Page 23: ...LM For example the DX SLM can drive the front indicators and side lights while the DX2 PMAxxL drives the rear indicators and side lights Hazard Switch An external Hazard Switch can be connected betwee...

Page 24: ...AMP Part Number 350705 split pin One housing and four 0 5mm contacts are included in the DX SLM Loom Connector Kit Part Number DXLOOM SLM Wire Sizes The minimum wire sizes that must be used are Functi...

Page 25: ...n be overcome during calibration refer to the Programming section The motor wiring should be such that when pin 4 is positive with respect to pin 1 the servomotor turns the pot so that the pot wiper p...

Page 26: ...operated by a DX Remote Each DX Remote has different facilities and not all support a full lighting system The operation of the lighting is therefore very dependent on what remote it is used with Plea...

Page 27: ...ngs Non module specific programming of a DX System is contained in the Power Module and DX Remote Installation Manuals A servo steered DX System with one drive motor uses a single channel DX PMB2 S wh...

Page 28: ...Lights Enable Yes No Yes If set to yes sidelights front and rear are enabled If set to no there will be no response to a DX Remote sidelight button being pressed other than a beep for some varieties...

Page 29: ...ram as follows 10 49 selects Steering Program 1 50 54 selects Steering Program 2 55 59 selects Steering Program 3 60 64 selects Steering Program 4 65 69 selects Steering Program 5 70 74 selects Steeri...

Page 30: ...e rate at which the SLM attempts to respond to a large decrease in steering lock A small decrease in lock demand is approached at the maximum possible deceleration The lock demand at which this parame...

Page 31: ...ers For each of the eight Steering Programs Program 1 Program 8 there are 12 Steering Profile parameters which define the Turning Speed Maximum see section 7 2 7 3 1 1 Maximum Speed Parameters Paramet...

Page 32: ...be twice that at 100 turn speed at 50 turn should be 1 4 times that at 100 turn and speed at 75 turn should be 1 2 times that at 100 turn Values are assigned to these eight parameters for each of the...

Page 33: ...er value is suitable for high speed 10 km h wheelchairs and higher values up to 100 are suitable for slower wheelchairs Values are assigned to these parameters for each of the eight Steering Profiles...

Page 34: ...perform and thereby the severity of the Waggle Test Refer to the Waggle Test parameter 7 3 2 4 Steer Error Reduce Parameter Possible Values Default HHP Lite Std Adv Steer Error Reduce 50 95 90 Every...

Page 35: ...ts should be corrected mechanically first See section 5 5 3 7 3 2 8 Stall Timeout Parameter Possible Values Default HHP Lite Std Adv Stall Timeout Yes No Yes If set to yes driving is disabled after St...

Page 36: ...thermal characteristics of the motors used in wheelchair The OEM must provide sample motors or detailed motor specifications to Dynamic Controls Dynamic will then provide recommended setting to ensur...

Page 37: ...ible Values Default HHP Lite Std Adv Right Lock 5 95 75 The ratio of the Position Sense Pot Wiper voltage to the full pot voltage when the steering wheels are moved as far right as is mechanically pos...

Page 38: ...alue is typically set to half the Lock Margin Value 7 3 3 5 Maximum Pot End Voltage Parameter Possible Values Default HHP Lite Std Adv Maximum Pot End Voltage 3203 5000 mV 3 2 5 V 4804 mV The maximum...

Page 39: ...d and reverse speeds for four non zero lock positions 25 50 75 and 100 turning lock The physical restrictor plate fitted to the DX Remote is calibrated with these parameters using the HHP If the DX Re...

Page 40: ...ge exceeds this voltage the SLM will automatically turn on the side lights to prevent the battery being overcharged This feature is most effective when incandescent lamps are fitted Note A value of 29...

Page 41: ...e Lighting Enable Disable Enable If set to Enable lighting functions are enabled If no light is connected an accessory fault will be displayed when an attempt is made to turn on the lights If set to D...

Page 42: ...P into the Programmer Socket on the DX Remote The initial screen appears for two seconds Dynamic DX Programmer VERSION 1 10 2 Then the main menu screen reads MAIN MENU View or edit System YES DIAG TEC...

Page 43: ...rds If the wheelchair veers right press LEFT if the wheelchair veers left press RIGHT If a large compensation value is required the mechanical position of the position sense potentiometer may require...

Page 44: ...calibrates the speed for four forward and four reverse turning positions VIEW EDIT SERVO MOD Restrictor plate calibration EXIT NEXT START Press START VIEW EDIT SERVO MOD Trace joystick outline EXIT S...

Page 45: ...ssembly These may not be severe enough to generate a steering feedback fault but will require mechanical adjustment 8 2 Flash Codes Any fault condition on the DX system will cause the DX Remote s Syst...

Page 46: ...tion Check wiring to motor Check servo motor for a short or open circuit 2 3 Steering Fault Cause Connections between DX Modules may be faulty or there may be an internal fault in the SLM Action Check...

Page 47: ...ch switch is or has been in the released position Action Re engage the clutch if necessary and turn the DX System off then on Check the servo motor connector and wiring Check the operation of the clut...

Page 48: ...ere 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 then turn the DX System off then on again 11...

Page 49: ...ll cables should be restrained to protect them from damage Damaged components should be replaced 3 All switchable functions on the Dynamic electronics system should be regularly tested to ensure they...

Page 50: ...operate the wheelchair unless you have full control Ensure that the chair is correctly programmed for your needs and environment and ask your dealer to adjust if necessary Always choose a Drive Progra...

Page 51: ...ctly installed has been thoroughly checked upon completion of installation and all programmable options correctly adjusted for safe operation prior to use has been used solely in accordance with this...

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