Dionex Pumps
ESA Model 582/584 HPLC Pumps

Chromeleon provides the commands and parameters from the table below (please note that the display Filter level determines which commands and properties are displayed).

General commands

Command/Property

Description

%A

Indicates the partial flow of a solvent component, expressed as a percentage of the total flow.

*Value

Current value [%] for component A.

*Equate

Name of the component (e.g., A).

Note: Default component names can be specified on the Properties tab page for the pump in the Server Configuration program.

Flow

Sets the flow rate [ml/min]. This is the total flow through the pump.

*Nominal

Sets the nominal flow.

*Value

Reports the current flow.

FlowState

Turns the pump on or off.

LockState

Locks or unlocks the keypad of the pump.

Pressure

Reports the pressure.

*Value

Reports the current pump pressure.

*.LowerLimit

Sets the lower pressure limit. The pump will stop the flow if the pressure is below the lower limit.

*.UpperLimit

Sets the upper pressure limit. The pump will stop the flow if the pressure exceeds the specified value.

 

Pressure channel commands

AcqOn/AcqOff

AcqOn starts data acquisition. AcqOff terminates data acquisition.

Average

Averages all measured values.

Delta

Reports the signal slope, that is, the difference between the value and the value 1 second ago. This is useful for Triggers.

MaxAutoStep

Sets the maximum step rate for Step = Auto.

Retention

Indicates the retention time for the signal.

Signal

Reports the current pressure signal.

Step

Sets the step for data acquisition.

 

For additional device commands, refer to  General Device Commands.

For installation details, refer to  ESA Model 582/584 HPLC Pumps: Installation.