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Teledyne API M100E Analyzer Operation Manual Optional Hardware and Software
57
FLOW
SENSOR
FLOW / PRESSURE
SENSOR PCA
SAMPLE
PRESSURE
SENSOR
VACUUM MANIFOLD
FLOW
CONTROL
ASSY
EXHAUST TO OUTER
LAYER OF KICKER
SAMPLE/CAL
VALVE
SAMPLE GAS
INLET
SPAN GAS INLET
ZERO AIR INLET
ZERO/SPAN
VALVE
SAMPLE FILTER
INSTRUMENT CHASSIS
EXHAUST GAS
OUTLET
KICKER EXHAUST
TO PUMP
HYDROCARBON
SCRUBBER
(KICKER)
UV
LAMP
PMT
SAMPLE
CHAMBER
PUMP
Figure 5-3: Pneumatic Diagram of the M100E with Z/S Option Installed
Table 5-4 describes the state of each valve during the analyzer’
s various operational modes.
Table 5-4: Zero/Span Valve Operating States
MODE VALVE CONDITION
Sample/Cal Open to SAMPLE inlet
SAMPLE
Zero/Span Open to ZERO AIR inlet
Sample/Cal Open to zero/span inlet
ZERO CAL
Zero/Span Open to ZERO AIR inlet
Sample/Cal Open to zero/span inlet
SPAN CAL
Zero/Span Open to SPAN GAS inlet
The state of the zero/span valves can also be controlled:
Manually from the analyzer’s front panel by using the SIGNAL I/O controls located under the DIAG Menu
(refer to Section 6.9.2),
By activating the instru
ment’s AutoCal feature (refer to Section 8.8),
Remotely by usin
g the external digital control inputs (refer to Section 7.3.1.2 and Section 8.7.1), or
Remotely through the
RS-232/485 serial I/O ports (refer to Appendix A-6 for the appropriate commands).
Sources of zero and span gas must be capable of supplying at least 650 cm
3
/min (maximum 2.5L/min. Both
supply lines should be vented outside of the analyzer’s enclosure. In order to prevent back-diffusion and
pressure effects, these vent lines should be between 2 and 10 meters in length.
04515F DCN6048