High-End Pressure Controller
CPC8000
Operating Instructions - CPC8000
51
The fgure below shows the state of the isolation valves in Vent mode.
Vent Mode
REFERENCE
(Gauge only)
OPTIONAL BAROMETRIC
REFERENCE
MEASURE/CONTROL
Regulator
is inactive
VENT
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
EXHAUST
SUPPLY
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 6.2.14.3b - Illustration Showing Isolation Valves in Vent Mode
Summary of Contents for CPC8000
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