Agilent Technologies Turbo-V 81-AG Notice De Mode D'emploi page 274

17 Technical Information
Use
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R1 (R2) TYPE: selects the type of reference measurement to
drive the relay. Possible types:
Frequency: driving frequency of the pump
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Power: power supplied to the pump
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Time: time from start
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 Normal: achievement of normal condition
Pressure: pressure read by the gauge, if present
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R1 (R2) SET VALUE: Sets the reference value at which the relay
R1 (R2) is activated. This parameter has no effect if NORMAL
(previous parameter) is selected as SETPOINT TYPE.
R1 (R2) HISTERESYS: Sets, in percentage, the hysteresis of the
relay.
R1 (R2) MASK TIME: sets the masked time (in hh:mm:ss),
measured from start, within which the SETPOINT R1 (R2) is not
driven even if the threshold value has been reached. This
parameter is not available if SETPOINT TYPE is set to NORMAL.
R1 (R2) OUTPUT LOGIC: Selects the control logic of the
SETPOINT output.
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positive logic (the relay is energized when the measurement
exceeds the reference).
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negative logic (the relay is energized when the measurement
is below the reference).
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Turbo-V 81-AG Rack Controller User Manual / 87-900-986-01 (I)