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AK
90003752(2) [AK-Commands] 10/01
2. The test bench control computer is sending the control command STBY (Stand-
by) to the system unit or any single analyzer.
There are two different cases:
! If the system or the analyzer is resting, this mode will be finished. Then, it will be tried to
get the stand-by mode ready for an error free measurement. The system or the
analyzer will regulate all temperatures to the required setpoints, that were down during
the resting. The FID will control the flame burning and if necessary it will try to ignite the
flame etc. The operation mode of the system or analyzer is "stand-by" during these
checkups, even if the device is not ready and error free. That means, the status STBY
will be reported to the read command ASTZ. The test bench control computer can only
realize with the read command ASTF (error status), if the device is ready for
measurements. The device will be ready to measure, if the essential functions of the
current measuring instruction will be error free.
Example:
The system or the analyzer is resting. No error is existing. The test bench control
computer will ask for the operation mode:
Test bench control computer sends ASTZ Kn
→ System or analyzer will response ASTZ 0 SREM SPAU
Test bench control computer sends STBY. System or analyzer shall accept the stand-by
mode:
Test bench control computer sends STBY Kn
→ System or analyzer will response STBY 0
The system or analyzer is finishing the resting. Then, it will try to get the stand-by mode
for an error free measurement. The system or analyzer will check the conditions: Are all
temperatures in the setpoint range ? Is the FID flame burning ? etc. The test bench
control computer will read the operation mode:
Status is error free:
Test bench control computer sends ASTZ Kn
→ System or analyzer will response ASTZ 0 SREM STBY
or status has still some errors:
Test bench control computer sends ASTZ Kn
→ System or analyzer will response ASTZ x SREM STBY
Test bench control computer sends ASTF Kn
→ System or analyzer will response ASTF x n
The error status byte will be zero and the system or the analyzer will be ready to
measure, if all temperatures are in the allowed setpoint range, if the FID flame is
burning etc.
If these parameters are not correct, the error status byte will be different from zero. The
test bench control computer will read the operation mode and the error status as long as
the system or the analyzer will be ready to measure. The test bench control computer
will control the maximum time for this reading.