Series 642
INSTALLATION
603685EA
Edition 2013-08-22
33/73
4.6.2
Valve configuration
Basic valve configuration must be adapted according to application needs.
Definition of valve plate position in case of:
After power up
, default is ‘close‘.
Power failure
, default is ‘close‘. Only for versions that have Power Fail Option equipped [642 . . - . .
C
.
- . . . . or 642 . . - . .
H
. - . . . . ].
Network failure
, default setting refer to individual product data sheet.
Local operation
:
(‘Control View’, ‘Control Performance Analyzer’
or ‘Service Box 2‘)
Remote operation
:
1. Do power up configuration in menu
‘Setup / Valve’.
Note:
It’s not possible to do ‘Valve configuration‘
via remote operation.
2. Do power fail configuration in menu
‘Setup / Valve’.
4.6.3
Sensor configuration
Basic sensor configuration must be adapted according to application needs.
ZERO function: This may be
‘disabled’ or ‘enabled’. Default is ‘enabled‘. Refer also to chapter
«ZERO».
Sensor configuration with 1 sensor version [642 . . - . . .
C
- . . . .].
Local operation
:
(‘Control View’, ‘Control Performance Analyzer’
or ‘Service Box 2‘)
Remote operation
:
1. Enable or disable ZERO function in menu
‘Setup / Sensor’.
Note:
It’s not possible to do ‘Sensor
configuration‘ via remote operation.
2.
Do 1 sensor configuration in menu ‘Setup
/ Sensor’.
4.6.4
ZERO
ZERO allows for the compensation of the sensor offset voltage.
When ZERO is performed the current value at the sensor input is equated to pressure zero. In case of a 2
sensor system both sensor inputs will be adjusted. A max. offset voltage of +/-1.4V can be compensated.
The offset value can be read via local and remote operation.
Local operation
:
(‘Control View’, ‘Control Performance Analyzer’
or ‘Service Box 2‘)
Remote operation
:
(Refer to chapter «Digital inputs» for details)
Go to menu ‘Zero / ZERO’ and follow
instructions.
1. Send OPEN VALVE
2. Wait until process chamber is evacuated and
sensor signal is not shifting anymore.
3. Send ZERO
