Parameter Buffer - Varian 969-8988 Bedienungshandbuch

Parameter Buffer

Offset Size Unit
Byte Byte Res
0 1
1 2 mA/Hz/sec
3 2 Sec
5 2 mA/Hz/sec
7 2 Sec
9 2 0.2sec/bit
11 2 0.2sec/bit
13 1 %
14 1 %
15 1 mBar/Torr/
Pa
16 1
17 1 mBar/Torr/
Pa
Range
- 0-99 Gauge gas load type
The value is divided by 10 (entering 12 the controller will
apply 1.2)
Enter here the correction factor for gas (necessary only if
gauge is connected).
0-10000 Setpoint 1 value
Enter here the threshold value for the R1 output, valid
only if B
0,1,2 or 3.
0-30000 Setpoint 1 Mask Time
Set here the time, measured from the start pump event,
while the R1 output is masked (not activated)
0-10000 Setpoint 2 value
Enter here the threshold value for the R2 output, valid
only if B
0,1,2 or 3.
0-30000 Setpoint 2 Mask Time
Set here the time, measured from the start pump event,
while the R2 output is masked (not activated)
0-30000 Vent Valve Opening Delay
Set the delay time between the stop command and vent
opening.
(Parameter Buffer, Offset 19, B
valve will never open).
0-30000 Vent Valve Open Time
Set how long the vent will remain open, then both purge
and vent will be closed. Valid only in "purge/vent auto
mode" (Parameter Buffer, Offset 19, B
(the valve remain open till next start command).
1-99 Setpoint 1 Hysteresis
Set the Setpoint1 hysteresis around the nominal value
1-99 Setpoint 2 Hysteresis
Set the Setpoint2 hysteresis around the nominal value
0-99 Setpoint 1 Pressure Value Mantissa
Set the mantissa of the exponential value of the R1
setpoint (format X.XE-XX) when it is used for pressure
monitoring (Parameter Buffer, Offset 20, B
value set here is divided by 10, that means 11 = 1.1
-10 - +10 Setpoint 1 Pressure Value Exponent
Set the exponent of the exponential value of the R1
setpoint (format X.XE-XX) when it is used for pressure
monitoring (Parameter Buffer, Offset 20, B
0-99 Setpoint 2 Pressure Value Mantissa
Set the mantissa of the exponential value of the R2
setpoint (format X.XE-XX) when it is used for pressure
monitoring (Parameter Buffer, Offset 20, B
value set here is divided by 10, that means 11 = 1.1
Description
-B of Parameter Buffer Offset-20 is equal to
0 2
-B of Parameter Buffer Offset-20 is equal to
3 5
Valid only in "purge/vent
0
99
auto mode"
= 0). 0 = infinite (the
= 0). 0 = infinite
0
= 4). The
0-2
= 4).
0-2
= 4). The
3-5
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