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YASKAWA V7 User Manual

YASKAWA V7
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- viii -
Example 2: Remote Sequence (2-Wire) & Local Reference (Digital
Operator)
This configuration is used when the sequence comes from a remote source, such as a relay or a PLC. It can
also be used with a maintained switch when it is desirable to have the drive restart on restoration of power. It
should not be used where safety of attending personnel might be threatened by a restart.
OPERATION:
The frequency reference comes from the digital operator pot.
Close (K1) to Run Forward at frequency set by the digital operator pot.
Close (K2) to Run Reverse at frequency set by the digital operator pot.
If both (K1) & (K2) are closed, the drive stops and displays the error message: “EF”
If the drive is put in the “Local” mode using the LO/RE quick start LED, the drive will behave the same as
illustrated in Example 1.
Table 3: Programming Required For Remote 2-wire Sequence & Local Reference
FS
FR
FC
DATA
ENTER
DSPL
RUN
MIN MAX
REV
FWD
Forward Run
Reverse Run
(K1)
S1
S2
S3
S4
S5
S6
S7
SC
STOP
RESET
FREF FOUT IOUT MNTR
PRGMLO/RE
F/R
Shield (Drain Wire)
To Terminal
Control Wiring Schematic
0. 0 0
(K2)
Parameter Display Description
n001 10
n001 4
n004 0
n036 Set Motor FLA
The drive will perform a 2-wire reset.
Setting this value will reset all parameters to their original factory
settings (all previous adjustments will be lost) When the drive
completes the reset, this parameter returns to a value of 1.
CAUTION
After doing the reset above, the password parameter returned to a
1. Change it to a 4 to get access to all parameters in the drive.
This parameter sets the reference (motor speed) to come from the
digital operator potentiometer (local).
Enter the motor’s full load amps (as shown on the motor
nameplate).

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YASKAWA V7 Specifications

General IconGeneral
ModelV7
CategoryController
ManufacturerYaskawa
Output Frequency0.1 to 400 Hz
TypeAC Drive
Horsepower0.5 to 300 HP
Protection FeaturesOvercurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Communication InterfacesDeviceNet, Profibus, Ethernet
Operating Temperature-10°C to 50°C
Humidity5% to 95% (non-condensing)
Enclosure RatingIP20
Voltage Class200V, 400V
Storage Temperature-20°C to 65°C

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