4 — PROGRAMMABLE PARAMETERS
Curtis 1239E-1269E Manual, os 37.0 RevA – May 2021
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pg. 54
DRIVERS: MAIN CONTACTOR MENU
PARAMETER ALLOWABLE
RANGE
DESCRIPTION
Main Enable
|Main_Enable
|OptionBits1 [Bit 0]
0x306A 0x00
On / Off
On / Off
When programmed On, the controller’s native software
controls the main contactor when the interlock is enabled;
when programmed Off, the contactor is controlled by VCL.
NOTE: With Main Enable programmed Off, the controller
will not be able to open the main contactor in serious
fault conditions and the system will therefore not meet
EEC safety requirements.
Main Interlock Type
Main_Interlock_Type
0x386F 0x00
0 – 1
0 – 1
When set to 0, the main contactor and interlock each work
as determined by their respective parameters.
When set to 1, the main contactor will pull in with KSI (like
a Type 2 interlock) but the interlock input (pin 3) enables/
disables drive and engages interlock braking (like a Type 0
or Type 1 interlock).
Pull In Voltage
Main_Pull_In_Voltage
0x303C 0x00
0 – 100%
0 – 32767
The main contactor pull-in voltage parameter allows a high
initial voltage when the main contactor driver rst turns on,
to ensure contactor closure. After 1 second, this peak voltage
drops to the contactor holding voltage.
NOTE: The Battery Voltage Compensated parameter (below)
controls whether the pull-in and holding voltages are battery
voltage compensated.
EM BRAKE CONTROL: EM BRAKE TEST MENU
PARAMETER ALLOWABLE
RANGE
DESCRIPTION
Mode
EM_Brake_Test_Mode
0x30E1 0x00
0 – 1
0 – 1
Controls the test mode for the EM brake.
0=VCL
1=Startup
Direction
EM_Brake_Test_Direction
0x30E2 0x00
0 – 2
0 – 2
Controls which direction torque is applied during the EM brake test.
0=FWD
1=REV
2=Both
Current
EM_Brake_Test_Current
0x30E3 0x00
10.0 – 100.0 %
3277 – 32767
The current as a percentage of base current applied during the EM
brake test.
Ramp Time
EM_Brake_Test_Current_Ramp_Time
0x30E4 0x00
10 – 1000 ms
10 – 1000
The time taken to ramp the current to the maximum EM_Brake_
Test_Current value. The same time is used to ramp it down again.
Test Threshold
EM_Brake_Test_Threshold
0x30E5 0x00
0.1 – 2.0 revs
10 – 200
The number of motor revolutions the motor can move during the EM
brake test before a fault is declared.
Hold Time
EM_Brake_Test_Hold_Time
0x30E6 0x00
0.1 – 1.0 seconds
12 – 125
The amount of time the torque is held between ramp up and ramp
down times.
Max Speed Limit
Max_Speed_EM_Brake_Fault
0x30E9 0x00
100 – 10000 RPM
100 – 10000
This parameter determines the max speed of the controller when an
EM Brake Failed to Set fault is present.
Hill Compensation Enable
EM_Brake_Test_Hill_Compensation_Enable
0x30E7 0x00
0 – 1
0 – 1
Enables or disables modifying the torque applied during the EM
brake test while the vehicle is on a hill. If turned on, The Torque
Preload Memory is added to the request to avoid overstressing the
brake in 1 direction and not sufciently testing it in the other.
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