Series 642
INSTALLATION
605593EC
Edition 2017-11-24
31/113
4.6
Initial operation
4.6.1
Setup procedure
To enable the valve for pressure control setup steps 1 to 6 must be performed.
In case position control is required only it’s sufficient to perform steps 1 to 5.
Setup step
Description
1
Power up
Turn on ex 24VDC power supply (and external
±
15 VDC for sensor
power supply if required).
Refer to chapter «Behavior during power up» for details.
2
DeviceNet
®
configuration
DeviceNet
®
node number and baudrate for valve must be selected.
DeviceNet
®
parameters must be adapted according to application needs.
Refer to chapter «DeviceNet® configuration» for details.
3
Valve
configuration
Basic configurations of the valve must be adapted according to application
needs.
Refer to chapter «Valve configuration» for details.
4
Sensor
configuration
Basic configurations of the valve must be adapted according to application
needs.
Refer to chapter «Sensor configuration» for details.
5
ZERO
Compensation of the sensor offset voltage.
Refer to chapter «ZERO» for details.
6a
LEARN
Determination of the vacuum system characteristic to accommodate the
PID controller. Refer to chapter «LEARN adaptive» for details.
6b
PRESSURE
CONTROL
COFIGURATION
Accommodation of PID controller to the vacuum system characteristic.
Refer to chapter: «Pressure control configuration» for details.
•
Without «LEARN adaptive» or «Pressure Control configuration» the valve is not
able to run pressure control.
•
For ease setup (in Local mode) of ‘Interface’, ‘Valve’, ‘Sensor’, ‘Senor ZERO’,
‘LEARN’ and ‘PRESSURE CONTROL COFIGURATION’ it is possible to use the
CPA 3.0, The free download is available on the VAT homepage:
http://www.vatvalve.com/customer-service/informations-and-downloads/control-
performance-analyzer
4.6.2
DeviceNet
®
configuration
MSD and LSD switches are arranged in unusal order. Make sure to select the correct
node number.
DeviceNet
®
node number and baudrate for valve must be selected. DeviceNet
®
parameters must be
adapted according to application needs.
It’s not the goal of this manual to describe the configuration of all parameters.