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Installation, Operating & Maintenance Instructions
Series 612 DN 250 (I.D. 10”), EtherCAT
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
282408EB
2012-04-23
44/81
3.7 Behaviour of isolation valve
Close:
If isolation valve control is active, isolation valve will be moved into closed position whereas Butterfly valve will be moved to
position 20’000. This is to ensure the room between isolation valve and butterfly is vented.
If isolation valve control is not active, Butterfly valve will be moved to position 0.
Open:
If Butterfly valve is not in position 0 (minimum conductance), isolation valve is in open position.
3.8 Close valve
Local operation
:
(‘Control View’, ‘Control Performance Analyzer’ or
‘Service Box 2‘)
Remote operation
:
(Refer to chapter «OUTPUT Buffer» > «CONTROL
MODE SETPOINT» for details)
Push CLOSE button
1. In «OUTPUT Buffer» > «CONTROL MODE
SETPOINT»
2. Select the [Close] (value = 3)
3.9 Open valve
Local operation
:
(‘Control View’, ‘Control Performance Analyzer’ or
‘Service Box 2‘)
Remote operation
:
(Refer to chapter «OUTPUT Buffer» > «CONTROL
MODE SETPOINT» for details)
Push OPEN button
1. In «OUTPUT Buffer» > «CONTROL MODE
SETPOINT»
2. Select [Open] (value = 4)
3.10 Position control
The valve position is directly controlled according to the position setpoint.
Local operation
:
(‘Control View’, ‘Control Performance Analyzer’ or
‘Service Box 2‘)
Remote operation
:
(Refer to chapter «OUTPUT Buffer» for details)
Select or enter position setpoint
1. In «OUTPUT Buffer» > « POSITION SETPOINT»
2. Select valid value
3. In «OUTPUT Buffer» > «CONTROL MODE
SETPOINT»
4. Select [Position] (value = 2)