INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL Page 2
January 1999
2.1.3.a Plug Braking .................................................................................. 8
2.1.3.b Regenerative Braking to Zero Speed................................................. 8
2.1.3.c Pedal Position Plug Braking ............................................................ 8
2.1.3.d Auto Braking.................................................................................. 8
2.1.3.e Brake Pedal Regenerative Braking.................................................... 8
2.1.4 Auxiliary Speed Control......................................................................... 8
2.1.4.a Field Weakening............................................................................. 8
2.1.4.b Speed Limits ................................................................................. 8
2.1.5 Ramp Operation ................................................................................... 9
2.1.5.a Ramp Start .................................................................................... 9
2.1.5.b Anti-Rollback.................................................................................. 9
2.1.6 Steer Pump Contactor Time Delay ........................................................ 9
2.1.7 On-Board Coil Drivers and Internal Coil Suppression ................................ 9
2.2 System Protective Override.......................................................................... 9
2.2.1 Static Return to Off (SRO) .................................................................... 9
2.2.2 Accelerator Volts Hold Off ..................................................................... 9
2.2.3 Pulse Monitor Trip (PMT)....................................................................... 9
2.2.4 lA Current Drop Out...................................... ........................................ 9
2.2.5 lA Thermal Hold Off............................................................................... 9
2.2.6 Thermal Protector (TP).......................................................................... 10
2.2.7 Low Voltage ........................................................................................ 10
2.3 Diagnostics................................................................................................ 10
2.3.1 Systems Diagnostics............................................................................ 10
2.3.2 Status Codes....................................................................................... 10
2.3.2.a Standard Codes.............................................................................. 10
2.3.2.b Stored Codes ................................................................................ 10
2.3.3 Hourmeter Readings ...................................... ...................................... 10
2.3.3.a Maintenance Alert and Speed Limit ................................................. 10
2.3.4 Battery Discharge Indication (BDI).......................................................... 10
2.3.4.a Internal Resistance Compensation ..................... ................................... 10
2.3.5 Handset .............................................................................................. 10
2.3.6 RS-232 Communication Port ................................................................. 11
2.3.6.a Dash Display Interaction Modes ..................................................... 11
2.3.7 Circuit Board Coil Driver Modules........................ ................................... 11
2.3.8 Truck Management Module (TMM) ......................................................... 11
2.4 Hydraulic Pump Control............................................................................... 11
Section 3.0 ORDERING INFORMATION, ELEMENTARY AND OUTLINE DRAWINGS......................... 13
3.1 Ordering Information for Separately Excited Controls............................................ 13
3.2 Outline: SR-3 Package Size.............................................................................. 14
3.3 Outline: SX-3 Package Size............................................................................... 15
3.4 Standard Dual Motor Proportioning Drive Elementary............................................ 16
3.5 Standard Pump Elementary............................................................................... 17
3.6 Standard Dual Motor Proportioning Drive Input / Output List.................................. 18
Section 4.0 TROUBLESHOOTING AND DIAGNOSTIC STATUS CODES ........................................... 19
4.1 General Maintenance Instructions ...................................................................... 19
4.2 Cable Routing and Separation ........................................................................... 19
4.2.1
Application Responsibility.................................................................................. 19
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