4 — PROGRAMMABLE PARAMETERS
pg. 51
Return to TOC Curtis 1232E/34E/36E/38E & 1232SE/34SE/36SE/38SE Manual, os 31 – May 2017
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 9, Switch 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.
Holding Voltage
Main_Holding_Voltage
0x303D 0x00
0 – 100%
0 – 32767
The main contactor holding voltage parameter allows a
reduced average voltage to be applied to the contactor coil
once it has closed. This parameter must be set high enough
to hold the contactor closed under all shock and vibration
conditions the vehicle will be subjected to.
NOTE: The Battery Voltage Compensated parameter (below)
controls whether the pull-in and holding voltages are battery
voltage compensated.
EM BRAKE CONTROL MENU, cont’d
PARAMETER ALLOWABLE
RANGE
DESCRIPTION
Torque Preload Cancel Delay
EM_Brake_Torque_Preload_ Cancel_Delay
0x3091 0x00
0 – 120 s
0 – 15000
The timer starts after the EM brake is set. If the timer expires before
the throttle is re-engaged, the torque preload memory will be
cleared. Setting this parameter to zero disables the timer, i.e., the
preload is never cancelled. The purpose of this delay is to prevent
the vehicle from lunging forward if it is unloaded on a hill such that
the torque measured by position-hold is no longer valid.
NOTE: This parameter is applicable only when Torque Preload Enable
= On (see parameter, previous page).
EM Brake Fault Motor Revs
EM_Brake_Fault_Motor_Revs
0x3894 0x00
1.0 – 20.0
10 – 200
Denes the allowable number of motor revolutions after the EM
brake is set before an EM Brake Failed to Set fault is issued (fault
code 92).
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