Pump Shutdown; Power Failure; Remote Control Mode Operation - Varian Turbo-V 250 969-9504 Bedienungshandbuch

Pump Shutdown

Press the hand held terminal STOP pushbutton; the
power from the turbopump will be removed and the
pump will begin to slow down.
When a stop signal is provided via a remote contact,
the display shows:
E X T E R N A L
b 7

Power Failure

In the event of a power failure (momentary or long
term), the Turbo-V controller will stop the turbopump
and all the interconnected pumps/devices. The Turbo-V
vent valve device, if used, will vent the turbopump only
if the power failure is longer than the preset delay time.
When power is restored, the Turbo-V controller
automatically restarts the interconnected devices and
the turbopump in the proper sequence.
The display shows:
P U M P I S
1 2 X X
or
S O F T S T A R T
[ - - - -
until normal operation achieved.
S W I T C H
C L O S E D
S T A R T I N G
K R P M
O N
- - - - - - ]

Remote Control Mode Operation

If remote signals are used to operate the controller, it
must be programmed for remote operation (see
paragraph "FRONT/REMOTE selection") and when
ready to start, the display shows:
R E A D Y
S O F T S T A R T
If the Soft Start has been deselected the display shows:
P U M P R E A D Y
R E M O T E
With or wihout
START/STOP and
pushbuttons are
NUMBER and PUMP CURRENT pushbuttons are
always active.
60
TECHNICAL INFORMATION
F O R R E M O T E
: U S E
S T A R T
Soft Start mode selected
LOW SPEED front
inoperative, while the
87-900-856-01 (B)
the
panel
CYCLE