Add Frequency Enable - Hitachi WJ200 Series Instruction Manual

Add Frequency Enable

The inverter can add or subtract an offset value to the output frequency setting which
is specified by
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
input as the [ADD] terminal, your application can selectively apply the fixed value in
to offset (positively or negatively) the inverter output frequency in real time.
A145
Keypad potentiometer
Control terminal
Function F001 setting
ModBus network input
Calculate function output
ADD frequency
A145
Intelligent input
Option Terminal
Code Symbol
ADD ADD Frequency
50
Enable
C001~C007
Valid for inputs:
A001, A145,
Required settings
Notes:
•
A001 may specify any source; the Add Frequency
will be added to or subtracted from that value to
yield output frequency value.
(will work with any of the five possible sources). The ADD
A001
selects whether to add or subtract. By configuring an intelligent
A146
A001
Function Name State
ON
OFF
A146
Frequency source setting
+
Σ
+/-
[ADD]
Applies the A145 Add Frequency value to the output
frequency
Does not apply the Add frequency. The output
frequency retains its normal value
Example (default input configuration shown—see
page 3–84):
7 6 5
See I/O specs on page 4–6.
Output frequency setting
A146
ADD direction select
Description
ADD
4 3 2 1 L P24
PLC PCS
4−41