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ADJUSTABLE FEATURES
SX TRANSISTOR CONTROLS
FUNCTION 6
NOT APPLICABLE
This function is not applicable to this control type and
should not be adjusted.
FUNCTION 7
NOT APPLICABLE
This function is not applicable to this control type and
should not be adjusted.
FUNCTION 8
NOT APPLICABLE
This function is not applicable to this control type and
should not be adjusted.
FUNCTION 9
NOT APPLICABLE
This function is not applicable to this control type and
should not be adjusted.
FUNCTION 10
ARMATURE CURRENT RAMP DOWN RATE
This function is allows for the adjustment of the length of
time required to ramp armature current to zero when
transitioning from motoring to some other state of
operation.
FUNCTION 11
TURN ANGLE POT SPEED LIMIT
(Push 11)
This function allows for the adjustment of the vehicle speed
o
during a 90
turn, per the curves below:
SPEED LIMIT CURVES vs. SL1 SETTINGS
100%
60%
49%
38%
2.15
1.95
1.75
1.50
CENTER
O
O
12.5
25
FUNCTION 12
"TOP SPEED" SPEED LIMIT
(Push 12)
This function allows for the adjustment of the top speed
motor volts as a percentage of battery volts
Range
Setting
Resolution
SETTING LESS THAN OR EQUAL
TO 111
SETTING FROM 112 TO 123
SETTING GREATER THAN OR
EQUAL TO 124
TURN ANGLE POT VOLTS
1.00 0.90
O
O
41
72
O
TURN ANGLE POT DEGREES
78.5
100% to 0% of battery volts
45 to 180
0.7% per set unit
Example
FUNCTION 13
NOT APPLICABLE
This function is not applicable to this control type and
should not be adjusted.
FUNCTION 14
INTERNAL RESISTANCE
COMPENSATION
( Push 14 )
This function is used when the Battery Discharge Indicator
is present. Adjustment of this function will improve the
accuracy of the BDI. In order to determine this setting, the
voltage drop of the battery under load must first be
calculated by the following method:
1. Record open circuit voltage (Vo) by measuring the
voltage at the control positive and negative power
terminals.
2. Load the battery to 100 amps in 1A and record the
voltage (V
) at the control positive and negative power
L
terminals.
3. Calculate voltage drop (V
V
= V
- V
Drop
O
L
4. Use the table below to determine the appropriate setting
using the calculated V
Drop
INTERNAL RESISTANCE COMPENSATION
Setting
V
Drop
2
11.44
3
7.60
4
5.72
5
4.57
6
3.81
7
3.27
8
2.86
9
2.54
10
2.28
11
2.08
12
1.90
13
1.76
14
1.63
15
1.52
16
1.43
FUNCTION 15
NOT APPLICABLE
This function is not applicable to this control type and
should not be adjusted.
Page 48
Setting of 75 = 73.5% of battery
volts
) as follows:
Drop
as a reference.
TABLE
Setting
V
Drop
17
1.34
18
1.27
19
1.20
20
1.14
21
1.09
22
1.04
23
0.99
24
0.95
25
0.91
26
0.88
27
0.85
28
0.82
29
0.79
30
0.76
31
0.74
July 1999
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Table of Contents
Troubleshooting
