Servomex 2500 Quick Start Manual
2500 Series - Configuration and Operation 02500/003E/0
29
NOTE
•
If Auto calibrations are to be remotely initiated, it is advisable to prevent internal initiation
by setting the auto calibration PERIOD to 00 days, 00 hrs.
•
Timed or remotely-initiated Auto calibrations will NOT operate when there is any Fault
condition or during the warming-up period, or 15 minutes after the clearance of the last
Fault or warm-up.
•
An Auto calibration will fail if either the Zero Tolerance or Span Tolerance would be
exceeded. Any Auto calibration will fail if a Span Preflush is unsuccessful for any
component.
•
Any Auto calibration in progress can be manually aborted by pressing any key.
•
Some Auto calibration settings may be changed using digital communications where the
RS485 or Ethernet option has been fitted. See installation manual for details.
•
Any Auto calibration in progress can be manually aborted by pressing any key. It may
also be aborted by means of a Modbus command. See installation manual for details.
4.5 Calibration when learnt cross interference is enabled
Where the analyser is fitted with XI (cross interference compensation) and where this is
enabled, Manual Span calibrations are required with separated span components.
Auto calibration using a gas mixture is normally unavailable. However if Autocal has
been ordered then it may be used with a gas mixture using specially determined Span
Target Values. These values are supplied with the instrument documentation and must
be used as the Span Target values during span calibration rather than the actual
mixture composition.
Summary of Contents for 02500003E
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