DH Instruments PPC4, Operation And Maintenance Manual

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4. BASIC USER INTERFACE
Page 67 © 2009 DH Instruments, a Fluke Company
4.4.5 <Setup>, <Control>

PURPOSE
To set the automated pressure control mode for the active range, customize control
parameters, activate default control parameters.

OPERATION
To access the CONTROL function, use <Setup> ,
<Control> . The display is:
Dynamic X1H
♦Limits ♦Mode
<Limits> to view or edit the current control limits (see Section 4.4.5.1).
<Mode> to change the control mode and to reset custom control parameters (see Section
4.4.5.2).
The display is:
Control Mode: X1H
♦Dynamic ♦Static
The cursor is on the active control mode. Making a control mode selection activates the
control mode, sets default control parameters and returns to the Main Run Screen. To set
custom control parameters, use
<Setup> , <Control> , <Limits> from the Main Run Screen
(see Section 3.2.13).
4.4.5.1 <Limits> (Custom Control Parameters)

PURPOSE
To view active pressure control parameters and/or set custom control
parameters.

OPERATION
To view active control parameters and/or set custom control parameters, select
<Setup> , <Control> , <Limits> from the Main Run Screen. The display is:
1. Active Q-RPT designator.
2. View/edit field of hold limit value in active
pressure unit of measure. Shows active hold
limit.
3. Active control mode ( <D> for dynamic, <S>
for static).
Hold Limit: X1H
0.05 kPa D
Edit the hold limit value if desired and

to view the stability.
The next display is:
1. Active Q-RPT designator.
2. View/edit field of stability limit value in active
pressure unit of measure. Shows active
stability limit.
3. Active control mode ( <D> for dynamic,
<S> for static).
Stability Limit: X1H
0.05 kPa/s D
Edit the stability limit value if desired and

to return to the Main Run Screen
with the edited values active.