Table of Contents
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Frequency Reference
This section explains how to input the frequency reference.
Selecting the Frequency Reference Source
Set parameter b1-01 to select the frequency reference source.
Related Parameters
Parameter
Number
b1-01
H6-01
H6-02
Input the Reference Frequency from the Digital Operator
When b1-01 is set to 0, you can input the reference frequency from the Digital Operator.
Input the reference frequency from the Digital Operator's reference frequency setting display.
For details on setting the reference frequency, refer to Chapter 3 Digital Operator and Modes.
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Name
Description
Display
Frequency
Selects the frequency reference input
Reference
source.
Selection
0: Operator - Digital preset speed U1-01
or d1-01 to d1-17.
1: Terminals - Analog input terminal A1
(or terminal A2 based on parameter
H3-09).
Reference
2: Serial Com - Modbus RS-422/485
Source
terminals R+, R-, S+, and S-.
3: Option PCB - Option board connected
on 2CN.
4: Pulse Input (Terminal RP)
Terminal RP
Pulse Train
Selects the function of pulse train
Input
terminal RP.
Function
0: Frequency reference
Selection
1: PID feedback value
2: PID setpoint value
Pulse Input
Sel
Pulse Train
Input
Sets the number of pulses (in Hz) that is
Scaling
equal to the maximum output frequency
E1-04.
Pulse In
Scaling
-DRIVE-
Fig 6.1 Frequency Setting Display
Setting
Factory
Range
Setting
0 to 4
1
0 to 2
0
1000 to
1440Hz
32000
Rdy
-DRIVE-
Frequency Ref
Frequency Ref
U1-01= 0 0 0.0 0Hz
U1-01= 0 0 0.0 0Hz
"0.00Hz"
Control Methods
Change
Open
V/f
during
loop
Flux
V/f
with
Operation
Vector
Vector
PG
1
No
Q
Q
Q
Q
No
A
A
A
A
Yes
A
A
A
A
Open
Loop
Vector
2
Q
A
A
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Table of Contents
Troubleshooting
