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System Calibration
90003749(1) [NGA-e (CLD-Software 2.3/MLT-Software 3.1.X)] 04/98 NGA 2000 Supplement - 3
1 Introduction
In opposite to the possibility to zero and span each analyzer module (channel) individually
and independently from the others, System-Calibration (SYSCAL) allows to combine the
calibration procedures of all into a common process.
This is been achieved with a new assignment of the valves. The idea is not longer to
require for each gas of each analyzer an own valve.
Instead of we have a pool of valves. The valves of this pool can be assigned to the
different gases of the analyzers. That also means different analyzers can share the same
valve for their gases. So we have the possibility to reduce the number of valves and also
the consumption of calibration gases.
The program, which will allow this, runs on the Control Module (CM) and needs the
programmable I/O (DIO and SIO).
The displayed menus are also inscripted with the appropriate network variables.