Basic Operation
6.1.2 Frequency Reference Settings: b1-01, H3-01, H3-08, H3-09
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6.1.2 Frequency Reference Settings: b1-01, H3-01, H3-08, H3-09
These settings are required when inputting analog voltage or current signals from the control circuit termi-
nals.
J Frequency Reference Selection: b1-01
D Constant b1-01 is used to select the reference source.
User
Change
Valid Access Levels
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
b1-01
Reference selection
×
0to4 − 1
Q Q Q Q
D
Settings
Setting Reference source
0
Digital Operator
1
Control circuit terminals (analog inputs)
2
MEMOBUS transmission (using SI-K2)
3
Optional Card
4
MEMOBUS transmission (for CP-717)
D
The frequency reference is input from the control circuit terminals (external terminals), so set b1-01
to 1.
J
Frequency Reference (Voltage), Terminal 13 Signal Level: H3-01
User
Change
Valid Access Levels
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
H3-01
Signal level selec-
tion (terminal 13)
×
0, 1 − 0
B B B B
D
The frequency reference (voltage) is valid when constant b1-01 has been set to 1.
D
Set the voltage range for the frequency reference (voltage) signal.
D
Settings
Setting Function
0
0 to 10 VDC input [11-bit + polarity (positive/ negative) input]
1
−10 to 10 VDC input
(A negative voltage is a reference for reverse rotation.)
J
Frequency Reference (Current), Terminal 14 Signal Level: H3-09, H3-08
D
Set terminal 14 to a frequency reference with constant H3-09 to use terminal 14 as the frequency refer-
ence terminal.
D
The frequency reference setting is 1F.
Function Selection: H3-09
User
Change
Valid Access Levels
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
H3-09
Multi-function ana-
log input (terminal
14)
×
1to1F − 1F
A A A A
D
After setting constant H3-09, set terminal 14 signal level with H3-08.
Signal Level: H3-08
D
The frequency reference (current) is valid when constant b1-01 has been set to 1.
D
Set the signal level for the frequency reference (current).
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