Use Procedure; Controller Startup; Pump Shutdown - Varian Turbo-V 250 PCB Manual De Instrucciones

USE
This paragraph describes the fundamental operating
procedures. Detailed
procedures that involve optional connections or options
are supplied in the paragraph "USE" of the appendix
"Technical Information". Some procedures can be
executed with controller only when the accessory
"Hand held terminal" is available. Make all vacuum
manifold and electrical connections and refer to Turbo-
V pump instruction manual prior to operating the Turbo-
V controller.
!
To avoid injury to personnel and damage to the
equipment, if the pump is laying on a table make sure it
is steady. Never operate the Turbo-V pump if the pump
inlet is not connected to the system or blanked off.
The following figure shows the hand held terminal
control panel.
1. Keyboard
push-button
selection. It is active only when the front panel
operation has been selected. Pressed once, the pump
runs at about 2/3 of the nominal speed. To unselect
the mode, press the push-button again.
2. Keyboard push-button for START, STOP, RESET
mode selection. It is active only when the front panel
operation has been selected. By pressing once the
starting phase begins; if pressed again it stops the
pump. If the pump has been stopped automatically by
a fault, this push-button must be pressed once to reset
the controller and a second time to restart the pump.
3. Keyboard push-button to recall on the display the
cycle number, cycle time and pumplife.
4. Keyboard push-button to recall on the display the
pump current, pump temperature, pump power and
rotational speed. It is always active regardless of the
operating mode selected. Push-buttons 3 and 4, if
pressed together for
controller in a routine where it is possible to program
some operation parameters.
5. LCD back-lighted alphanumeric display: dot matrix 2
lines x 16 characters.
Hand Held Terminal Control Panel
information and operating
WARNING!
for LOW SPEED mode
at least 2 seconds put the

USE PROCEDURE

Controller Startup

To startup the controller plug the power cable into a
suitable power source.
Starting the pump
To start the pump send the START command to related
pins of the input connector (pin 1 - 6 of P1 connector),
or, when the hand held terminal is available, press the
START pushbutton.

Pump Shutdown

To shutdown the pump remove the START command
from the related pins of the input connector (pin 1 - 6 of
P1 connector), or, when the hand held terminal is
available, press the STOP pushbutton.
MAINTENANCE
The Turbo-V 250 PCB series controller does not
require any maintenance. Any work performed on the
controller must be carried out by authorized personnel.
When a fault has occurred it is possible to use the
Varian repair service. Replacement controllers are
available on an advance exchange basis through
Varian.
Before carrying out any work on the controller,
disconnect it from the supply.
If a controller is to be scrapped, it must be disposed of
in accordance with the specific national standards.
47
INSTRUCTIONS FOR USE
!
WARNING!
87-900-854-01 (C)