GE IC3645SR4T405CT1 Installation And Operation Manual page 42

Separately excited transistorized traction control
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ADJUSTABLE FEATURES
IT TRANSISTOR CONTROLS
Battery volts
24 volts
36 volts
48 volts
72 volts
80 volts
36/48 volts
No BDI
FUNCTION 16 LINE/BRAKE COIL PICKUP
VOLTAGES
(Push CONT 1)
This function allows for the adjustment of voltage at which
the line contactor coil or brake coils will pick up.
Range
Setting
Resolution
Voltage = SETTING VALUE/2.65
FUNCTION 17 CARD TYPE SELECTION
(Push CONT 2)
This function allows for the selection of the card type used
for your vehicle's application. The table below shows the
setting to select card application type, depending on
which control card is used. Settings for these functions
should be made within the ranges indicated above.
Brake
Accel Speed
Setting Tach
Coil
0 - 9
Yes
Yes
10 - 19
Yes
No
20 - 29
No
No
30 - 39
No
Yes
100 - 109 Yes
Yes
110 -119
Yes
No
120 - 129
No
No
130 - 139
No
Yes
Warning: These settings must be changed by
authorized personnel only, following instructions
supplied by the vehicle manufacturer. Card type
selection must be made within the capabilities of the
control panel used and the supporting electro
mechanical devices. Failure to comply with proper
application standards could result in mis-operation or
damage to the control and/or motors.
FUNCTION 18 BRAKE COIL/LINE CONTACTOR COIL
DROP OUT TIME DELAY
(Push CONT 3)
Set units
between 0 and 31
between 32 and 44
between 45 and 69
between 70 and 80
between 81 and 183
between 184 and 250
Between 251 and 255
0 to 96 volts
0 to 255
0.377 volts per set unit
Hi/Lo
Detect
Reg.
Switch
Zero
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
No
This function allows for the adjustment of the time delay
for the brake or line contactor coil drop out when the
control receives a neutral signal from the direction switch
or the start switch opens.
Range
Setting
Resolution
Example: Setting of 20 = 20 x 0.1 = 2.0 seconds
FUNCTION 19 BRAKE COIL AND LINE CONTACTOR
This function sets the voltage level at which the line
contactor and brake coils are held.
Range
Setting
Resolution
Voltage = SETTING VALUE/2.65
FUNCTION 20 ARMATURE/BRAKING CURRENT
Mode 1 = FN 73
Mode 2 = FN 85
When Function 17 is set to call for tach feedback, this
feature represents the armature current point at which
regen braking is cancelled.
Enable
Modes
When Function 17 is set for no tach feedback, this feature
No
represents the braking current level regulated with the
No
accelerator pedal up and the start switch closed.
No
No
Yes
Setting: 0 to 128
Yes
Resolution: 6.5 per set unit
Yes
Yes
Current = (128 – SETTING VALUE) x 6.5
FUNCTION 21 PEDAL DOWN/BRAKE REGEN RATE
Mode 1 = FN 74
Mode 2 = FN 86
This function allows for the adjustment of the rate at which
speed is reduced during regenerative braking under
speed regulation.
Range
Set
Resolution
Example:
0 to 65 seconds
Between 0 and 128
0.1 seconds per set unit
HOLD VOLTAGE
(Push CONT 4)
0 to 96 volts
0 to 255
0.377 volts per set unit
(Push CONT 5)
Mode 3 = FN 97
Mode 4 = FN 109
(Push CONT 6)
Mode 3 = FN 98
Mode 4 = FN 110
0.1 to 25.5 seconds
0 to 255
0.086 seconds per set unit
Setting of 20 = 1.72 seconds
42
Page
January 2008

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