User`s manual

6-7
6
Frequency Reference
 Selecting the Frequency Reference Source
Set parameter b1-01 to select the frequency reference source.
Related Parameters
Input the Frequency Reference from the Digital Operator
When b1-01 is set to 0, you can input the frequency reference from the Digital Operator.
For details on setting the frequency reference, refer to page 3-1, Digital Operator and Modes.
Fig 6.5 Frequency Setting Display
Inputting the Frequency Reference Using Voltage (Analog Setting)
When b1-01 is set to 1, you can input the frequency reference from control circuit terminal A1 (voltage input),
or control circuit terminal A2 (voltage or current input).
Inputting Master Speed Frequency Reference Only
If inputting the master speed frequency reference only, input the voltage reference to control circuit terminal
A1.
Fig 6.6 Master Speed Frequency Reference Input
Parameter
No.
Name
Factory
Setting
Change
during
Opera-
tion
Control Methods
V/f
V/f with
PG
Open
Loop
Vector
Closed
Loop
Vector
b1-01 Frequency reference source selection 1 No QQQQ
H3-09 Analog input 2 function selection 0 No AAAA
H3-13 Terminal A1/A2 main reference input switching 0 No AAAA
H6-01 Pulse train input function selection 0 No AAAA
H6-02 Pulse train input scaling 1440 Hz No AAAA
-DRIVE-
Rdy
Frequency Ref
U1-01= 0 0 0.0 0Hz
"0.00Hz"
Inverter
A1(Master frequency reference)
+V(Power supply: 15 V, 20 mA)
A2(Auxiliary frequency reference)
AC (Analog common)
2 kΩ
2 kΩ