Par.
Name
Minimum
Maximum
Default
Units
P2-26
Spin Start Enable
0
2
1
-
0 : Disabled
1 : Enabled. When enabled, on start up the drive will attempt to determine if the motor is already rotating, and will begin to control
the motor from its current speed. This can be useful for high inertia loads, or fans which may spin due to air movement even when the
drive is not enabled. A short delay may be observed when starting motors which are not already rotating. The spin start will detect the
motor direction of rotation, and will automatically operate and control the motor from that point, including reversing the direction of
motor rotation where required.
2 : Enabled on Fault, Brown Out or Coast. As setting one, however the Spin Start function activates only following any event that may
have caused an uncontrolled stop of the motor previously.
Note
The Spin Start function cannot detect motors which are rotating at speeds above the maximum speed limit parameter (P1-01) setting
of the drive.
P2-27
Standby Mode Timer
0.0
250.0
20.0
Seconds
This parameter defines time period, whereby if the drive operates continuously at the frequency / speed set in P3-14 (Standby speed
threshold) for at least the set time period, the Optidrive output will be disabled, and the display will show
.
The function is
disabled if P2-27 = 0.0.
If the speed demand rises above minimum, the drive will immediately restart automatically.
P2-28
Slave Speed Scaling Control
0
3
0
-
Active in Slave mode (P1-12=5) only. The Master speed reference can be multiplied by a preset scaling factor or adjusted using an
analog trim or offset.
0 : Disabled. No scaling or offset is applied.
1 : Actual Speed = Master Speed x P2-29
2 : Actual Speed = (Master Speed x P2-29) + Analog Input 1 Reference. Analog Input 1 Full Scale 100.0% = P1-01
3 : Actual Speed = (Master Speed x P2-29) x Analog Input 1 Reference. Analog input 1 full scale = 200.0% (unsigned/absolute)
P2-29
Slave Speed Scaling Factor
-500.0
500.0
100.0
%
Used in conjunction with P2-28.
P2-30
Analog Input 1 (Terminal 6) Format
-
-
-
= 0 to 10 Volt Signal (Uni-polar)
= 10 to 0 Volt Signal (Uni-polar)
= -10 to +10 Volt Signal (Bi-polar)
= 0 to 20mA Signal
= 4 to 20mA Signal, the Optidrive will trip and show the fault code
if the signal level falls below 3mA
= 4 to 20mA Signal. In the event that the signal falls below 3mA, the Optidrive will ramp operate at Preset Speed 4.
= 20 to 4mA Signal, the Optidrive will trip and show the fault code
if the signal level falls below 3mA
= 20 to 4mA Signal. In the event that the signal falls below 3mA, the Optidrive will ramp operate at Preset Speed 4.
P2-31
Analog Input 1 Scaling
0.0
2000.0
100.0
%
Scales the analog input by this factor. See parameter description below for further information.
P2-32
Analog Input 1 Offset
-500.0
500.0
0.0
%
Sets an offset, as a percentage of the full scale range of the input, which is applied to the analog input signal.
Analog Input Scaling and Offset are applied to the Analog Input Signal as follows :-
Result (%) = (Analog Input Level (%) – Analog Input Offset (%)) x Analog Input Scaling (%)
The resultant value for Analog Input 1 can be displayed in P0-01.
E.g. If the analog Input Signal format is 0 – 10 Volts, Offset = 20.0%, Scaling = 50.0%
An analog input signal level of 7 Volts gives the following result :-
Analog Input Level (%) = 7 / 10 = 70.0%
Result = (70.0 – 20.0)% X 50.0%) = 25.0%
P2-33
Analog Input 2 (Terminal 10) Format
-
-
-
= 0 to 10 Volt Signal (Uni-polar)
= 10 to 0 Volt Signal (Uni-polar)
= Motor PTC Thermistor Input. The drive will trip if the resistance is greater than 2.5kΩ
= 0 to 20mA Signal
= 4 to 20mA Signal, the Optidrive will trip and show the fault code
if the signal level falls below 3mA
= 4 to 20mA Signal, the Optidrive will ramp to stop if the signal level falls below 3mA
= 20 to 4mA Signal, the Optidrive will trip and show the fault code
if the signal level falls below 3mA
= 20 to 4mA Signal, the Optidrive will ramp to stop if the signal level falls below 3mA
P2-34
Analog Input 2 Scaling
0.0
2000.0
100.0
%
Scales the analog input by this factor. See parameter description below for further information.
P2-35
Analog Input 2 Offset
-500.0
500.0
0.0
%
Sets an offset, as a percentage of the full scale range of the input, which is applied to the analog input signal
Analog Input Scaling and Offset are applied to the Analog Input Signal as follows :-
Result (%) = (Analog Input Level (%) – Analog Input Offset (%)) x Analog Input Scaling (%)
The resultant value for Analog Input 2 can be displayed in P0-02.
E.g. If the analog Input Signal format is 0 – 10 Volts, Offset = 20.0%, Scaling = 50.0%
An analog input signal level of 7 Volts gives the following result :-
Analog Input Level (%) = 7 / 10 = 70.0%
Result = (70.0 – 20.0)% X 50.0%) = 25.0%
