6
-2
Frequency Reference
This section explains how to input the frequency reference.
Selecting the Frequency Reference Source
Set constant b1-01 to select the frequency reference source.
Related Constants
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
MEMO-
BUS
Regis-
ter
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
No
Q
Q
Q
Q
Q
180H
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
No
A
A
A
A
A
42CH
Pulse Input
Sel
H6-02
Pulse train
input scal-
ing
Set the number of pulses in hertz, tak-
ing the reference to be 100%.
1000
to
32000
1440
Hz
Yes
A
A
A
A
A
42DH
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)
TOE-S616-60.1.book 2 ページ ２０１７年８月４日 金曜日 午後３時４１分