High-End Pressure Controller
CPC8000
Operating Instructions - CPC8000
49
The fgure below shows the state of the isolation valves in Control mode. Notice that the regulator is
active in the Control mode.
Control Mode
SUPPLY
REFERENCE
(Gauge only)
OPTIONAL BAROMETRIC
REFERENCE
MEASURE/CONTROL
VENT
EXHAUST
Optional
Secondary
Transducer
Optional
Tertiary
Transducer
Primary
Pressure
Transducer
Optional
Barometric
Sensor
Valve is
OPEN
Legend:
Valve is
CLOSED
Conditional
State*
Popoff Valve set
at 10% above
transducer range
Regulator is Active
Open to Exhaust if the internal pressure is
< 2 bar absolute, otherwise open to Vent.
NO
NO
NC
NC
NC
NO to Vent
NO = Normally Open
NC = Normally Closed
*NOTE: The transducer shutof valve (yellow valve) is closed:
1) In Autorange Mode when the system pressure is
outside of the connected transducer range.
2) In Range Hold mode when another transducer is
selected.
Otherwise it is open.
Figure 6.2.14.2b - Isolation Valves in Control Mode
Summary of Contents for CPC8000
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