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• Clock and date. These are set by the factory and cannot be
changed from the keyboard. When AmeCal or JOFRACAL
downloads work orders to the ATC, the clock is synchronised with
the PC so the time stamp on the certificates follows the PC, which
has set up the ATC.
• Day No. registers the number of days that the instrument has
been switched on.
2.1.1.1 Service Power Menu
)
Press in the Service Menu and the Service Power Menu
will appear.
The information has been listed in 2 columns, relating to the primary
regulator and the differential regulator (Slave), respectively. The slave
readout shows the activity in the top zone. (ATC-155 does not have a
top zone).
• PID SET temp. tells which temperature the calibrator is set to
(even if it is not activated) (“Slave” is always set to 0)
• PID READ temp. explains the readout of the regulating sensor in
°C.
• Power setting informs about the regulation percentage in the two
PID regulators.
• NewToff, TriacTp, TriacDeltaT are calculated time for the
Triac’s. These variables are set to zero on the cooling calibrators.
• DutyK is a variable compensation for alternating mains voltage.
At nominal mains voltage (230V or 115V) this is approx. 1.00
• Heat/cool explains whether the regulation is heating or cooling.
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