DH Instruments PPCK PLUS, Руководство по эксплуатации и обслуживанию

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PPCK+™ Operation and Maintenance Manual
Page 43
©2001 DH Instruments, Inc .
Press [ENTER] to start pressure control to the target pressure, in the current control
mode (see Section 3.2.3) and return to the main run screen. The main run screen is:
1. Ready / Not Ready indication, current pressure, units,
measurement mode, range (regular first line of main
run screen).
2. Current control mode indicator: Flashes when automated
pressure control is ON . <D> for dynamic control, <S> for
static control with <C> added if custom control parameters
are in use. <VLV> when opening a control valve (see
Sections 3.2.3, 3.1.2.3).
3. <T> , target pressure value when controlling and in Not
Ready condition. <R> , pressure rate of change when in
static control inside the hold limit. <D> , deviation from the
target value when in dynamic control mode and in
Ready condition.
Observe the Ready / Not Ready indication to determine when Ready conditions have
been satisfied (see Section 3.1.2.5). PPCK+ will continue controlling following static or
dynamic control operation protocol (see Section 3.1.2.4) until automated pressure control
is interrupted.
Automated pressure control is interrupted by:
•
Pressing [ESCAPE] : Suspends control and remains in main run screen.
•
Pressing any manual pressure control key (see Section 3.1.2.2): Suspends control
and executes direct pressure control.
•
Pressing any function key: Suspends control and goes to the selected function.
•
Pressing [ENTER/SET P] : Suspends control and goes to ENTER target pressure
value screen.
To resume automated pressure control, press [SET P] and ENTER a target
pressure value.
s
Pressure control status is indicated by the pressure control characters of the main
run screen. These are located in the middle of the bottom line of the display.
The control character indications are as follows:
- <D> dynamic control mode with default control parameters
- <S> static control mode with default control parameters
- <DC> dynamic control mode with custom control parameters
- <SC> static control mode with custom control parameters
- <VLV> static or dynamic control mode and a control valve is in the opening process
- <M> manual control mode
-
FLASHING character: System is actively controlling pressure
- NON FLASHING character: Control is idle
2 3
↑
2547.95 psi a H3
T 3000.00 DC