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4-20mA Pressure Input Calibration
(Only present if “Pressure Comp.” is set
to “Auto” in the Parameters Menu)
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ØØ
Ø ×
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×
Current Out
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Current Output Calibration
(User adjustment of 0,4 & 20mA output
levels)
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ØØ
Ø ×
××
×
Reset User Cal
Reset all of the calibrations to the
factory default settings.
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ØØ
Ø ×
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×
ON-LINE/OFF-LINE OPERATION
Selecting the “Mode” menu allows the user to put the unit in the ”Off-Line” state. If
the state is “Off-Line” the relays are de-energised and the current output is held
for the duration of the “Off-Line” state. When “On-Line” is selected the relays
and current output operate normally. The middle LED on the front panel indicates
when the unit is “Off-Line”. In addition the user can set the unit to “Off-Line” by
using the digital input terminal.
CALIBRATION ACCESS
A feature has been included to allow users to access the sensor calibration from
the main display. To enable this feature the “Cal Access?” state should be set to
“Y”. To disable this feature, preventing users from altering the calibration from the
main display, the “Cal Access?” state should be set to “N”.
AUTOMATIC CALIBRATION
Span calibration can be initiated by an external digital input if the “Autocal
Enable?” function is set to “Y”. When the input is shorted to the common input
the unit will calibrate the span to the set level.
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