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Oil-Less Claw Medical Vacuum

Appendix B: Variable Speed Drive Inverter

B.1 VSD (Variable Speed Drive) Operation Panel

The VSD inverter has an operational panel to control and monitor the speed of the pump in VSD mode
as well as adjusting parameters and alarm indications of the unit.

Operation mode indication
PU: Lit to indicate PU operation mode.
EXT: Lit to indicate external operation mode.
NET: Lit to indicate network operation mode.

Rotation direction indication
FWD: Lit during forward rotation
REV: Lit during reverse rotation
On: Forward/reverse operation
Flickering: When the frequency command is
Unit indication not given even if the
· Hz: Lit to indicate frequency. forward/reverse command is given.
· A: Lit to indicate current.
· V: Lit to indicate voltage.
(Flicker when the set frequency monitor is Monitor indication
displayed.)
Lit to indicate monitoring mode.
No function
Monitor(4-digit LED)
Shows the frequency, parameter
number, etc.
Start command
forward rotation
Start command
reverse rotation
Setting dial
(Setting dial: Mitsubishi inverter
dial) Stop operation
Used to change the Alarms can be reset
frequency setting and
parameter values.

Used to set each setting.
If pressed during operation, monitor
changes as below;
Running Output Output
Mode frequency current voltage *
switchover
Used to change
each setting mode. * Energy saving monitor is displayed when the
energy saving monitor of Pr. 52 is set.

Operation mode switchover
Used to switch between the PU and external operation mode.
When using the external operation mode (operation using a separately
connected frequency setting potentiometer and start signal), press this key to
light up the EXT indication. (Change the Pr.79 value to use the combined mode.)
PU: PU operation mode
EXT: External operation mode

Figure B.1 Operational Panel

B-1 4107 9000 95.04