6-2
Frequency Reference
This section explains how to input the frequency reference.
îš‹ Selecting the Frequency Reference Source
Set constant b1-01 to select the frequency reference source.
îš„Related Constants
îš„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.
Fig 6.1 Frequency Setting Display
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
Display
V/f
V/f
with
PG
Open-
loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
b1-01
Reference
selection
Set the frequency reference input
method.
0: Digital Operator
1: Control circuit terminal (analog input)
2: MEMOBUS communications
3: Option board
4: Pulse train input
0 to 4 1 NoQQQQQ
Reference
Source
H6-01
Pulse train
input func-
tion selec-
tion
0: Frequency reference
1: PID feedback value
2: PID target value
0 to 2 0 NoAAAAA
Pulse Input
Sel
H6-02
Pulse train
input scal-
ing
Set the number of pulses in hertz, taking
the reference to be 100%.
1000 to
32000
1440 Hz Yes A A A A A
PI Scaling
-DRIVE-
Frequency Ref
U1-01= 0 0 0.0 0Hz
-DRIVE-
Rdy
Frequency Ref
U1-01= 0 0 0.0 0Hz
"0.00Hz"
(0.00
60.00)
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