Yaskawa VS-626 MC5 User Manual

Page 173

Advertising
background image

7.3

Common Functions

- 35

Output frequency

Upper limit

Lower limit

Forward/Stop

Up command

Down command

Speed Agree signal

Power supply

Accelerates to
lower limit

Same frequency

d4-01

=

1

d4-01

=

0

ON

Reference frequency reset

ON

ON

ON

ON

ON

The Speed Agree signal remains ON while the run command is ON and the motor is
not accelerating or decelerating.

Fig

7.19

Timing Chart for Up and Down Commands

Fault Reset (Setting: 14)

OFF

Normal operation

ON

Resets faults when input goes from OFF to ON. (Normal operation when no fault has occurred.)

D

With this setting, the multi-function input resets faults that have occurred.

D

When a fault has occurred, be sure to find out what kind of fault occurred, take steps to correct the cause
of the fault, and restart the Inverter. It is possible to damage the Inverter by repeatedly resetting a fault
without correcting the cause.

D

To resume operation after a fault has occurred, turn the run command OFF, turn the fault reset input
from ON to OFF, and then turn the run command ON again. A fault cannot be reset while the run com-
mand is ON.

D

If a fault hasn’t occurred, turning the fault reset ON and OFF will have no effect on operation.

Motor Switch Command (Motor 2 Selection, Setting: 16)

D

CLOSED: Motor 2 constants used.

Operation

Motor Switch command
(CLOSED for motor 2)

U

,

V

,

W

(T1

,

T2

,

T3)

Multi-function input

Multi-function output

Note Use an external sequence to switch between M1 and M2

and to confirm the motor selection status.

M1

M2

IM

Motor 1 (main motor)

Motor 2 (auxiliary motor)

Motor selection monitor
(CLOSED for motor 2)

IM

7

Advertising