DH Instruments PPC4, Operation And Maintenance Manual

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PPC4™ OPERATION AND MAINTENANCE MANUAL
© 2009 DH Instruments, a Fluke Company Page 68
4.4.5.2 Turning-Off Custom Control Parameters
To return to default pressure control parameters for the active range and control
mode, reselect the control mode using
<Setup> , <Control> , <Mode> (see
Section 3.2.13).
4.4.6 <Setup>, <Drv> (Drivers)

PURPOSE
To control the output signals of PPC4’s 8 channel, 12 V external drivers (see Section 3.2.23).

OPERATION
To access the driver control function use <Setup> ,
<Drv> . The display is:
External Drivers: 1
2 3 4 5 6 7 8

or

allows navigation between valve driver numbers.

turns that driver ON and
OFF. An active driver is indicated by <*> immediately following the driver number.

Caution
The PPC4 PURGE function makes use of the valve driver option. Valve
driver number 8 is used to actuate the SPLT exhaust valve. The SPLT
exhaust valve is actuated when performing the PURGE function and in the
background every time the PPC4 VENT function is used. When making use
of valve drivers, note that when the PURGE function is enabled, valve driver
number 8 will be actuated independently of user initiated valve driver
commands (see Section 3.2.27.4).
4.5 <Spec> (Special)
Note

from the Main Run Screen to access all menu selections in the Basic Interface.

PURPOSE
<Spec> accesses a menu of PPC4 functions and features that are less commonly used or not normally
used in regular operation.

OPERATION
<Spec> from the Main Menu screen to access the menu. The
display is:
♦AutoZ ♦Remote ♦Head
♦Reset ♦Pref ♦Punit
♦Internal ♦Cal ♦Log
Note
Some screens, such as the SPECIAL menu, go beyond the two lines provided by the
display. This is indicated by a flashing arrow in the second line of the display.
Press the cursor control keys to move the cursor to access the lines that are not visible.