Optidrive VTC – User Guide
16
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6.
Parameters
6.1.
Parameter Group 1 – Basic Parameters
NOTE
Default parameter values for Horse Power rated drives are shown in brackets
Following a factory reset, or when installing a drive for the first time, only Group 1 Parameter access is available. To allow access to Parameters
Groups 0, 2, 3 and 4, Parameters P1-14 and P2-37 must contain the same value. The factory set value for P2-37 = 101
Par.
Description
Range
Units
Default
Explanation
P1-01
Maximum Frequency /
Speed
P1-02 to 120.0Hz
Hz
Rpm
50.0
(60.0)
Maximum speed limit – Hz or rpm.
If P1-10 >0, the value entered is in Rpm
P1-02
Minimum Frequency /
Speed
0.0 to P1-01
Hz
Rpm
0.0
Minimum speed limit – Hz or rpm.
If P1-10 >0, the value entered is in Rpm
P1-03
Acceleration ramp
time
0.0 to 3000.0
seconds
30.0
Acceleration ramp time from 0 to base speed (P-1-
09) in seconds
P1-04
Deceleration ramp
time
0.0 to 3000.0
seconds
30.0
Deceleration ramp time from base speed (P1-09)
to standstill in seconds. When set to zero, fastest
possible ramp time without trip is activated
P1-05
Stop mode select
0 : Ramp to stop
(brown-out ride-through)
1 : Coast to stop
2 : Ramp to stop (fast stop)
-
0
0 : If the mains supply is lost, the drive will try to
continue running by reducing the speed of the
load using the load as a generator.
1 : When the enable signal is removed from the
drive, the motor will coast (freewheel) to stop
2 : If the mains supply is lost, the drive will ramp to
stop using the P2-25 decel ramp time
P1-06
Energy Optimiser
0: Disabled
1: Enabled
-
0 : Disabled
When enabled, automatically reduces applied
motor voltage on light load. Minimum value is 50%
of nominal
P1-07
Motor rated voltage
0, 20 to 250
0, 20 to 500
Volts
230
400
(460)
Rated (nameplate) voltage of the motor (Volts).
Value limited to 250V for low voltage drives.
Setting to zero disables voltage compensation
P1-08
Motor rated current
25% -100% of drive rated current
Amps
Drive rating Rated (nameplate) current of the motor
P1-09
Motor rated frequency 25Hz to 120Hz
Hz
50
(60)
Rated (nameplate) frequency of the motor
P1-10
Motor rated speed
0 to 7200 rpm
Rpm
0
When non-zero, all speed related parameters are
displayed in rpm
P1-11
Preset Speed 1
-P1-01 to P1-01
Hz
50.0
(60.0)
Sets the speed the drive runs at when Preset
Speed 1 is selected
P1-12
Terminal / Keypad /
PID
Drive Control Mode
Selection
0 : Terminal control
1 : Keypad control – fwd only
2 : Keypad control fwd and rev
3 : PID Control
4 : Modbus Control
-
0
Primary Control Mode of the drive.
0 : Terminal control
1 : Uni-directional keypad control. Keypad START
button does not reverse direction.
2 : Bi-directional keypad control. Keypad START
button toggles between forward and reverse.
3 : User PI control with external feedback signal
4 : Modbus RTU Control
P1-13
Trip log
Last four trips stored
-
Read only
Previous 4 trips stored in order of occurrence, with
the most recent first.
Press UP or DOWN to step through all four.
The most recent trip is always displayed first.
UV trip is only stored once.
P1-14
Extended menu access Code 0 to 9 999
-
0
Set to “101” (default) for extended menu access.
Change code in P2-37 to prevent unauthorised
access to the Extended Parameter Set
