Hitachi WJ200-001S Instruction Manual page 103

318
TIP: The deadband feature is useful in applications that requires a very stable output
frequency but use an analog input for the speed reference. Example application: A
grinding machine uses a remote potentiometer for operator speed input. After a setting
change, the grinder maintains a very stable speed to deliver a uniform finished surface.
=
Output freq.
reference
16-sample avg.
Analog input
EzSQ Related Settings
The WJ200 series inverter has capability to execute EzSQ program like SJ700 series
inverters. Parameters  is for the EzSQ performance. Please refer to the EzSQ
section for the detailed explanation.
Hz
Small step change
Threshold exceeded
+0.1
0
Deadband
-0.1
New deadband
Speed increase given
Noise spikes
+0.1
0
-0.1
t