Add Frequency - Hitachi WJ200 Series Instruction Manual

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Add Frequency – The inverter can add or subtract on offset value to the output
frequency setting which is specified by A001 (will work with any of the five possible
sources). The ADD Frequency is a value you can store in parameter A145. the ADD
Frequency is summed with or subtracted from the output frequency setting only when
the [ADD] terminal is ON. Function A146 selects whether to add or subtract. By
configuring an intelligent input as the [ADD] terminal, your application can selectively
apply the fixed value in A145 to offset (positively or negatively) the inverter output
frequency in real time.
Keypad potentiometer
Control terminal
F001
Function
ModBus network input
Calculate function output

ADD frequency

A145
Intelligent input
Func.
Code
ADD frequency
A145
ADD direction select
A146
A001
setting
"A" Function
Name
An offset value that is applied
to the output frequency when
the [ADD] terminal is ON.
Range is 0.0 to 400.0 Hz
Two options:
00...Plus (adds A145 value to
01...Minus (subtracts A145
value from the output
frequency setting)
Frequency source setting
+
Σ
+/-
[ADD]
Description
the output frequency
setting)
Output frequency setting
A146
ADD direction select
Run Defaults
Mode
Lnitial data
Edit
0.00
00
Units
Hz
−