7. Operation
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WIKA Operating Instructions High Pressure Controller, Model CPC8000-H
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Figure 7-3 Range Hold
7.2.4 Pressure Reading
The large, green number displayed in
is the pressure reading at the sensor
connected to the Measure/Control DUT port. It is green because the sensed pressure is within a user-
defined stable window for a user-defined period of time. When the pressure is outside of the stable
window, the number will be white. See Section 7.3.3.2 for a detailed explanation and setup of the
stable window.
INFORMATION
The pressure reading will turn red if an external pressure is applied at the
Measure/Control port that is 7% greater than the upper limit of the active transducer.
Each transducer is supplied with a pressure release valve set for 10% over the
calibrated pressure. Inherent internal safeguards are set to prevent overpressure.
7.2.5 [Setpoint] Button
The [Setpoint] button will activate a sidebar data entry method to accept a new setpoint value. The
setpoint value is displayed in the window just below the [Setpoint] button on the main screen, see
Section 6.2.4. The setpoint value can also be adjusted incrementally in the sidebar by use of one of
four setpoint entry methods:
The numeric key pad
A numeric step value assigned to the up [▲] and down [▼] arrow keys
A digital step assigned to the up [▲] and down [▼] arrow keys
A program
Procedures for making changes to the setpoint using these methods are covered in Section 7.2.7
Setpoint Entry Methods.
7.2.6 Setpoint Value
The setpoint value window is located immediately under the [Setpoint] button. It displays the current
pressure setpoint (target value for the output pressure provided by the internal regulator when in
Control mode). To edit the setpoint value, first touch the [Setpoint] button. This will activate the system
for setpoint changes. The sidebar will display the default number key pad or a pre-chosen setpoint
entry method. To change the setpoint value use one of these methods described in Section 7.2.7.
