Invertek Drives Optidrive HVAC Series, User Manual

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Optidrive ODV ‐ 2 User Guide Revision 1.00
www.invertek.co.uk
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P2 ‐ 24 Effective switching frequency
Minimum 4kHz Maximum [Drive
Dependant]
Units kHz Default [Drive
Dependant]
Effective power stage switching frequency. Higher frequencies reduce audible noise from the motor, and improve the output
current waveform, at the expense of increased drive losses.
Note: De ‐ rating of the drive output current may be required when increasing P2 ‐ 24 beyond the minimum setting.
P2 ‐ 25 Fast Deceleration Ramp Time
Minimum 0.0 Maximum 30.0 Units Seconds Default 0.0
This parameter allows an alternative deceleration ramp down time to be programmed into the Optidrive.
Fast Deceleration ramp is selected Automatically in the case of a mains power loss if P2 ‐ 38 = 2.
When ramp rate in P2 ‐ 25 is set to 0.0, the drive will coast to stop.
Fast deceleration ramp can also be selected using the user defined logic configuration parameters in menu 9 (P9 ‐ 02), or selection
configured through the drive PLC function using the OptiTools Studio Suite PC software.
P2 ‐ 26 Spin Start Enable
Minimum 0 Maximum 1 Units ‐ Default 1
0 : Disabled
1 : Enabled . The drive will attempt to determine if the motor is already rotating on start up and to detect rotational speed and
direction. The drive will begin control of the motor from its current (detected) speed. A short delay may be observed when starting
the drive whilst the spin start function is completed.
P2 ‐ 27 Standby Mode Timer
Minimum 0.0 Maximum 250.0 Units s Default 0.0
This parameter defines the time period, whereby if the drive operates at minimum speed for greater than the set time period, the
Optidrive output will be disabled, and the display will show
stndby
. The function is disabled if P2 ‐ 27 = 0.0.
P2 ‐ 28 Slave Speed Scaling Control
Minimum 0 Maximum 3 Units ‐ Default 0
Active in Keypad mode (P1 ‐ 12 = 1 or 2) and Slave mode (P1 ‐ 12=4) only. The keypad 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 = Digital Speed x P2 ‐ 29
2 : Actual Speed = (Digital Speed x P2 ‐ 29) + Analog Input 1 Reference
3 : Actual Speed = (Digital Speed x P2 ‐ 29) x Analog Input 1 Reference
P2 ‐ 29 Slave Speed Scaling Factor
Minimum ‐ 500.0 Maximum 500.0 Units % Default 100.0
Slave speed scaling factor used in conjunction with P2 ‐ 28.
P2 ‐ 30 Analog Input 1 (Terminal 6) Format
Minimum ‐ Maximum ‐ Units ‐ Default
U 0-10
U 0-10
= 0 to 10 Volt Signal (Uni ‐ polar)
U 10-0
= 10 to 0 Volt Signal (Uni ‐ polar)
-10-10
= ‐ 10 to +10 Volt Signal (Bi ‐ polar)
A 0-20
= 0 to 20mA Signal
t 4-20
= 4 to 20mA Signal, the Optidrive will trip and show the fault code
4-20F
if the signal level falls below 3mA
r 4-20
= 4 to 20mA Signal, the Optidrive will ramp to preset speed 4 if the signal level falls below 3mA
t 20-4
= 20 to 4mA Signal, the Optidrive will trip and show the fault code
4-20F
if the signal level falls below 3mA
r 20-4
= 20 to 4mA Signal, the Optidrive will ramp to preset speed 4 if the signal level falls below 3mA
P2 ‐ 31 Analog Input 1 scaling
Minimum 0.0 Maximum 500.0 Units % Default 100.0
P2 ‐ 31 is used to scale the analog input prior to being applied as a reference to the drive. For example, if P2 ‐ 30 is set for 0 – 10V, and
the scaling factor is set to 200.0%, a 5 volt input will result in the drive running at maximum speed (P1 ‐ 01)
P2 ‐ 32 Analog Input 1 Offset
Minimum ‐ 500.0 Maximum 500.0 Units % Default 0.0
P2 ‐ 32 defines an offset for the analog input, as a percentage of the full range of the input. A positive offset is deducted from the
incoming analog signal and a negative offset is added to the signal. For example, if P2 ‐ 30 is set for 0 – 10V, and the analog offset is
set to 10.0%, then 1 volt (10% of 10V) will be deducted from the incoming analog reference prior to it being applied.
P2 ‐ 33 Analog Input 2 (Terminal 10) Format
Minimum ‐ Maximum ‐ Units ‐ Default
U 0-10
U 0-10
= 0 to 10 Volt Signal (Uni ‐ polar)
U 10-0
= 10 to 0 Volt Signal (Uni ‐ polar)
Ptc-th
= Motor PTC Thermistor Input
A 0-20
= 0 to 20mA Signal
t 4-20
= 4 to 20mA Signal, the Optidrive will trip and show the fault code
4-20F
if the signal level falls below 3mA
r 4-20
= 4 to 20mA Signal, the Optidrive will ramp to preset speed 8 if the signal level falls below 3mA
t 20-4
= 20 to 4mA Signal, the Optidrive will trip and show the fault code
4-20F
if the signal level falls below 3mA
r 20-4
= 20 to 4mA Signal, the Optidrive will ramp to preset speed 8 if the signal level falls below 3mA