FPD
DPM
(A/D)
SYSCON
SNE Software Moule
GCP
I
2
C
Network
DPM
(A/D)
Electronic
Pressure
Control
Module
Solenoid
Valve
Control
Module
Temperature
Control
Oven
Heater
Control
Electronics Enclosure
DPM
(A/D)
FID
Detector Compartment
(Mezannine)
Oven
Sample
Conditioning
Atmosphere Vents
Feedthroughs
Sample In
TCD
Columns
Sample
Valve
Columns
Columns
Regulated Carrier Gas
I
2
C from SYSCON
Figure 3-2 Operational Block Diagram (Maxum II Airless Airbath model shown)
Power On
The Power Entry Control Module (PECM), in response to commands on internal bus, accepts
system primary power and provides switching and control of AC power for oven heaters and
other AC powered devices.
Sample Conditioning
Before being piped to the analyzer, the sample from the process is sent to a sample conditioner
system. The sample conditioner ensures that the process sample is compatible with the
requirements of the analyzer. That is, it assures that the phase, pressure, temperature and
flow rate to the analyzer are suitable, that the sample is filtered, that condensates are removed
and other treatments are carried out. The resultant conditioned sample is typically piped via
1/8-inch stainless steel tubing to the sample valve(s) located in the oven of the Maxum II.
System Functions
3.3 Analyzer Operation
Maxum edition II Analyzer General Maintenance
14 Manual, August 2018, A5E42019842001
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