1290 Infinity Quaternary Pump User Manual 59
Using the Pump
4
Setting up the Pump with the Instrument Control Interface
Instrument Signals
The following pump signals are displayed:
Flow The current solvent flow rate (in mL/min).
Pressure The current pump ressure (in bar, psi or MPa, see “Instrument
Configuration” on page 56).
Tuning Indicates the tuning efforts of 1290 Infinity pumps. For pumps
operating as expected, the signal should stay in a range of -1
to +1 within the full scale of -2 to +2.
Pressure Limit The current maximum pressure limit.
Composition A:B The contributions of channels A and B to the current solvent
composition.
Composition C:D The contributions of channels C and D to the current solvent
composition.
Mixer The installed mixer type.
Valve position The current valve position.
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