
FST 500 Manual
- Page 44 -
Over-torque Setting
Applications
Purpose
Functions
Related
Parameters
Pump and fan
Control the motor
speed within
upper/lower limit
When user cannot provide
upper/lower limit, gain or bias from
external signal, it can be set
individually in AC motor drive.
Pr.36
Pr.37
Skip Frequency Setting
Applications
Purpose
Functions
Related
Parameters
Pumps and fans
To prevent
machine vibrations
The AC motor drive cannot run at
constant speed in the skip frequency
range. Three skip frequency ranges
can be set.
Pr.67~Pr.70
Carrier Frequency Setting
Applications
Purpose
Functions
Related
Parameters
General application
Low noise
The carrier frequency can be
increased when required to reduce
motor noise.
Pr.71
Keep Running when Frequency Command is Lost
Applications
Purpose
Functions
Related
Parameters
Air conditioners
For continuous
operation
When the frequency command is lost
by system malfunction, the AC motor
drive can still run. Suitable for
intelligent air conditioners.
Pr.63
Output Signal in Zero Speed
Applications
Purpose
Functions
Related
Parameters
General application
Provide a signal for
running status
When the output frequency is lower
than the min. output frequency, a
signal is given for external system or
control wiring.
Pr.45
Pr.46
Output Signal at Master Frequency
Applications
Purpose
Functions
Related
Parameters
General application
Provide a signal for
running status
When the output frequency is at the
master frequency (by frequency
command), a signal is given for
external system or control wiring
(frequency attained).
Pr.45
Pr.46
Summary of Contents for FST-500 Series
Page 8: ...FST 500 Manual Page 8 1 1 3 External Parts and Labels...
Page 9: ...FST 500 Manual Page 9 1 1 4 Remove instructions...
Page 17: ...FST 500 Manual Page 17...
Page 22: ...FST 500 Manual Page 22 2 4 Control Terminal Wiring Factory Settings...
Page 27: ...FST 500 Manual Page 27 3 1 2 How to Operate the Digital Keypad LC M02E...
Page 49: ...FST 500 Manual Page 49 Commonly used V F Setting 1 General Purpose...
Page 110: ...FST 500 Manual Page 110 Chapter 5 Troubleshooting 5 1 Over Current OC...
Page 111: ...FST 500 Manual Page 111 5 2 Ground Fault 5 3 Over Voltage OV...
Page 112: ...FST 500 Manual Page 112 5 4 Low Voltage Lv...
Page 113: ...FST 500 Manual Page 113 5 5 Over Heat OH1 5 6 Overload...
Page 114: ...FST 500 Manual Page 114 5 7 Keypad Display is Abnormal 5 8 Phase Loss PHL...
Page 115: ...FST 500 Manual Page 115 5 9 Motor cannot Run...
Page 116: ...FST 500 Manual Page 116 5 10 Motor Speed cannot be Changed...
Page 134: ...FST 500 Manual Page 134...
Page 135: ...FST 500 Manual Page 135...
Page 145: ...FST 500 Manual Page 145 EMI Filter 40TDS4W4B Used on 5 7 5 HP 230V Three Phase Models...