ADJUSTABLE FEATURES
SX TRANSISTOR CONTROLS
Page 33
April 1999
FUNCTION 6
ARMATURE CONTROLLED
ACCELERATION IN LOW SPEED MODE
(Push
6)
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 in low speed
mode.
Range
0.1 to 25.5 seconds
Set
1 to 255
Resolution
0.1 seconds per set unit
Example:
Setting of 20 = 2.0 seconds
C/A = 2.2 seconds
FUNCTION 7
MIN. FIELD CURRENT
( Push 7 )
This function allows the adjustment of the field weakening
level in order to set the top speed of the motor.
Resolution
Example
Min
Max
Set
Per unit value If set at 71
0
20
51 to 176
0.16 amps
3.2 amps
0
30
51 to 255
0.16 amps
3.2 amps
0
40
51 to 255
0.185 amps
3.7 amps
0
50
51 to 210
0.314 amps
6.28 amps
0
60
51 to 255
0.314 amps
6.28 amps
Important Note: The 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.
FUNCTION 8
MAX FIELD CURRENT
( Push 8 )
This function allows for the adjustment of the maximum
field current in order to obtain the maximum torque of the
motor.
Resolution
Example
Min
Max
Set
Per unit value If set at 71
0
20
51 to 176
0.16 amps
3.2 amps
0
30
51 to 255
0.16 amps
3.2 amps
0
40
51 to 255
0.185 amps
3.7 amps
0
50
51 to 210
0.314 amps
6.28 amps
0
60
51 to 255
0.314 amps
6.28 amps
Important Note: The 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.
FUNCTION 9
REGEN BRAKING CURRENT LIMIT
(Push
9)
This function allows for the adjustment of the regen braking
current limit.
Resolution
Example
Min
Max
Set
Per unit value If set at 20
32
240
0 to 255
0.93 amps
50.6 amps
52
468
0 to 255
1.63 amps
84.6 amps
184
600
0 to 255
1.63 amps
216.6 amps
FUNCTION 10
MAX FIELD CURRENT FOR REGEN
( Push 10 )
This function allows for the adjustment of the maximum
field current to be used during the regen braking mode.
Resolution
Example
Min
Max
Set
Per unit value If set at 71
0
20
51 to 176
0.16 amps
3.2 amps
0
30
51 to 255
0.16 amps
3.2 amps
0
40
51 to 255
0.185 amps
3.7 amps
0
50
51 to 210
0.314 amps
6.28 amps
0
60
51 to 255
0.314 amps
6.28 amps
Important Note: The 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.
FUNCTION 11
“LOW SPEED” SPEED LIMIT
(Push
11)
This function allows for the adjustment of the speed limit
when the jack rabbit is not selected or the boom is raised.
Range
0 to 20
Set
0 to 20
Resolution
1 pulse per sample
Example:
Setting of 5 = 5 pulses per
sample
rate
FUNCTION 12
“HIGH SPEED” SPEED LIMIT
( Push 12 )
This function is operates in the same way as Function 11,
except that it is activated when the jack rabbit is selected
or the boom is lowered.
