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Quattro DC User Switches C1
Parameter Description Default Choices
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OVERSPD
TEST SRC
(Overspeed Test Source)
This switch determines the source of the
overspeed test. Operation of the overspeed test
function is specified by the OVRSPEED MULT
(A1) parameter. Regardless of the setting of
this parameter, the user can call for the
overspeed test via the Digital Operator.
EXTERNAL
TB
− external tb
− serial
Y Y
BRAKE PICK
SRC
(Brake Pick Source)
If the BRAKE PICK SRC (C1) is set to
INTERNAL, the Drive will attempt to pick (lift)
the brake when magnetizing current has been
developed in the motor.
INTERNAL
− internal
− serial
Y Y
BRAKE PICK
CNFM
(Brake Pick Confirm)
If this switch is set to EXTERNAL TB, the Drive
will wait for brake pick confirmation before
releasing the speed reference. When set to
EXTERNAL TB, the MECH BRK PICK signal on
TB1 must also be selected.
NONE
− none
− external tb
− internal time
Y Y
BRAKE
HOLD SRC
(Brake Hold Source)
If set to internal, the drive will command the
mechanical brake to hold mode after
confirmation of brake picked exists.
INTERNAL
− internal
− serial
Y Y
RAMPED
STOP SEL
(Ramp Stop Select)
This parameter allows the selection of the
Torque Ramp Down Stop function. This
function is used to gradually remove the torque
command after the elevator has stopped and the
mechanical brake has been set. This prevents a
shock and possible ‘bump’ felt in the elevator
from the torque signal going to zero too quickly.
For more information, see Ramp Stop Select on
page 60.
NONE
− none
− ramp
on stop
Y Y
RAMP
DOWN EN
SRC
(Ramp Down Enable Source)
If RUN LOGIC is selected, the user can remove
the run command and the drive will delay in
dropping the run command until torque ramp
down stop function is complete.
If EXTERNAL TB or SERIAL is selected, the
user must keep the run command while allowing
the Torque Ramp Down Stop function to be
completed.
EXTERNAL
TB
− external tb
− run logic
− serial
Y Y
BRK PICK
FLT ENA
(Brake Pick Fault Enable)
When this parameter is set to ENABLE, the
brake pick command and confirmation must
match within the specified time determined by
the BRK PICK TIME (A1) parameter or a brake
pick fault is declared.
DISABLE
− disable
− enable
Y Y
BRK HOLD
FLT ENA
(Brake Hold Fault Enable)
When this parameter is set to ENABLE, the
brake hold command and confirmation must
match within the specified time determined by
the BRK HOLD TIME (A1) parameter or a brake
hold fault is declared.
DISABLE
− disable
− enable
Y Y
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