GE IC3645SR4U404N2 Benutzerhandbuch

SX TRANSISTOR CONTROLS

 

 

 

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January 2000

   

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Section 6.4  Setup Functions for Traction Controller 
 
FUNCTION 1  

 
This function allows for the adjustment of motor volts to 

enable AutoRegen.   

 

For a setting value of less than 25 (corresponding to a soft 

release of auto regen and normal regen), the motor voltage 

to enable regen is calculated by multiplying the value of the 

setting by 0.375.  For example, a setting of 16 will be 

multiplied by 0.375 to enable regen at 6 motor volts.   

 

Vm = VAL(setting) X .375 

 

For a setting value of greater than 25, the motor voltage to 

enable auto regen is calculated by subtracting 25 from the 

setting value and multiplying that number by 0.375.  For 

example, a setting of 33, the motor volts necessary to 

enable auto regen is (33 - 25) x 0.375, or 3 volts. 
 
FUNCTION 2 

 
This function allows for the adjustment of the creep speed 

of the vehicle.  Creep speed can be adjusted when an 

accelerator input voltage between 3.9 and 3.3 volts or an 

accelerator ohm input between 6.0K and 4.0K ohms is 

provided. 

 

 

 

Range   

2% to 15% on-time 

 Set 

 0 

to 

255 

 

Resolution 

0.05% per set unit 

 

Example  

Setting of 20 = 3% on-time 

 
Important Note: This function is used to optimize motor 
and control performance, and this setting will be 
determined by GE and OEM engineers at the time of 
vehicle development. This setting must not be changed by 
field personnel without the permission of the OEM. 

 

This function allows for the adjustment of the rate of time it 

takes for the control to accelerate to 100% applied battery 

voltage to the motor on hard acceleration.  

 

  

Range 

0.025 to 6.3 seconds 

 

Set 

0 to 255 

 

Resolution 

0.025 seconds per set unit 

 

Example: 

Setting of 20 = 0.5 seconds 

 

 

 

 
This function allows for the adjustment of the armature 

current limit of the control. The rating of the control will 

determine the range of adjustment for this function. Please 

refer to the specification sheets and current limit curves for 

the control used in your vehicle. 

 

 

Range 

See control C/L curves 

 

Set 

0 to 255 

 

Example: 

0 = min. current, 255 = max. 

 

 

 

current  

 

 

This function allows for the adjustment of the plugging 

distance of the vehicle.  The larger the current setting, the 

shorter the stopping distance. 

  
Min Max Set 

55 

455 

0 to 255 

1.57 amps 

86.4 amps 

 

Warning:  Plug settings must be made in accordance with 

control operating instructions.  Too high of a setting could 

cause damage to the control system or traction motor.