Edwards T-STATION 85

Connect a gauge
When a g
auge is rst connected the display shows "ID" followed by a number to idenfy the
new gauge.
If the gauge is an Acve Strain Gauge (ASG), the display then goes to ASG range select,
otherwise the display reverts to showing the pressure reading. If the gauge type is not
supported the display shows "???". When no gauge is connected the display shows "---".
Figure 6
Gauge screen
ASG range select
When an ASG is c
onnected the display changes to select the ASG range. 1000 mbar is assumed
by default, and the display ashes "1.0
3
".
Pr
ess the NEXT key to select between 1000 and 2000 mbar, then press the ENTER key to
conrmed the selecon.
Gauge ON/OFF control
Gauges which support ON/OFF control (e.g. AIM gauges) can be turned ON and OFF using the
ENTER key.
When rst connected the gauge is in the OFF state and the display shows "OFF". When the
gauge is turned on the display will show "Str" whilst the gauge is starng up, and will then
display pressure.
Gauge screen key acons
Table 5
Gauge screen key acons
Keys Short press Long press
START Go to turbo screen -
ENTER ON/OFF control of supported gauge
or ackno
wledge error
-
NEXT Go to vent control screen Scroll through menu screens
Vent valve screen
If a T
AV solenoid vent valve is connected to the turbo pump podule the operaon of the valve
is controlled by the vent valve screen.
When the vent valve screen is selected, the vent LED is lit and the current vent valve control
seng is displayed. The default is "50%". The vent valve screen is not available if the turbo
pump is running.
1.
Select the appropriate seng for either normally open or normally closed vent valve.
D395-94-880A - Operaon
Page 20