Learning Advanced Features
74
Frequency Hold by Analog Input
When the frequency reference is via an analog input, you can hold the operation frequency by
assigning a digital input as “analog hold”. The operation frequency will be fixed at the existing
analog input signal when the digital input terminal is activated.
Group
Code
Name
LCD
Display
Parameter Setting
Setting
Range
Unit
Operation
Frq
Frequency
reference
source
Freq Ref
Src
0
Keypad-1
0
–
12
-
1
Keypad-2
2
V1
4
V2
5
I2
6
Int 485
8
Field Bus
12
Pulse
In
65–69
Px terminal
configuration
Px
Define(Px
: P1–P5)
21
Analog
Hold
0
–
54
-
Changing the Displayed Units (Hz
↔
↔
↔
↔
Rpm)
You can change the units used to display the operational speed of the inverter by setting Dr. 21
(Speed unit selection) to 0 (Hz) or 1 (Rpm). This function is available only with the LCD keypad.
Px
Frequency reference
Operating frequency
Run command
Group
Code
Name
LCD Display Parameter Setting
Setting Range Unit
dr
21
Speed unit
selection
Hz/Rpm Sel
0
Hz Display
0
–
1
-
1
Rpm Display
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