Chapter 4 - Operation Examples
4-11
Operation
Example (3)
2
nd
motor operation
[Operation condition]
-. Control mode: V/F control
-. 1
st
motor + 2
nd
motor Operation by exchange using [2
nd
Func] (Values can be set differently)
-. Frequency command : Using Multi-speed
1
st
motor --- Apply 50[Hz] as main speed
2
nd
motor --- Apply 20[Hz] with P1 terminal set as multi-speed operation
-. Accel/Decel time : 1
st
motor --- Accel time: 15[Sec], Decel time: 25 [Sec]
2
nd
motor --- Accel time: 30[Sec], Decel time: 40 [Sec]
-. Drive mode : Run/Stop via FX/RX
[Wiring]
R
S
T
G
U
V
W
B1 B2
FX
RX
BX
RST
JOG
P1
P2
P3
CM
VR
V1
5G
FM
5G
30A
30C
30B
AXA
AXC
IM 1st motor
3P
AC
input
IM
2nd
motor
1st /2nd motor
Switch-over
FX
RX
BX
CM
1st / 2nd
motor
select
Step Parameter setting Code Description
1 Control Mode Selection FU2-39 Set it to 0 {V/F}.
2 Drive mode DRV-3 Set it to Fx/Rx-1.
3 Frequency Mode setting DRV-4
Set it to 0 {keypad-1}.
(setting 1
st
motor freq)
4 Multi-function input terminal P2 I/O-13 Set P2 to 2nd Func.
5 Multi-function input terminal P1 I/O-12
Set P1 to Speed-L).
(setting 2
nd
motor freq)
6 Freq setting for 1
st
motor DRV-0 Set it to 50[Hz].
7 Accel/Decel time setting for 1
st
motor
DRV-1,
DRV-2
Set Accel/Decel time to 15[sec]/25[sec].
8 Freq setting for 2
nd
motor DRV-5 Set it to 10[Hz].
9 Accel/Decel time setting for 2
nd
motor FU2-81/82 Set Accel/Decel time to 30[sec]/50[sec].
10 1
st
motor operation
- Set it as main motor by turning P1, P2, output relay OFF.
- Run the motor in FWD/REV direction using FX/RX terminal.
11 2
nd
motor operation
- Set 2
nd
motor parameters by turning terminal P2 ON.
- Change the freq setting to 20[Hz] by turning terminal P1 ON.
- Change 2
nd
motor terminal by turning output relay ON.
-Run the motor in FWD/REV direction by terminal FX/RX.
