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Page 5

4.2 

Calibrate

 

(Used in Dispense and Dose mode)

For volumetric dispensing the driver must be calibrated to the pump and tube 
type / size. The calibration can be made ‘dry’ (inputting flow according to the 
pump / tube data or ‘wet’ by dispensing a measured volume over a period of 
several revolutions. 

Default = 2 ml / revolution 

4.3 

Suck Back

 

(Used in Dispense and Dose mode)

To prevent dripping the driver can be programmed to reverse the flow direc-
tion by fractions or whole revolutions when the pump stops. 

Note: When restarting any programmed suck back will introduce a volumetric 
error. This should be added to the required volume. 

Default = 0.0 revolutions 

4.4 

  Acceleration 

(Used in Dispense, Dose and Analogue mode) 

The acceleration setting will ramp up the speed rather than providing a hard 
start. The setting is 1 (slowest ramp up) to 255 / Max (fastest ramp up). For 
high speed operation this is useful to prevent stalling. 

The acceleration period is taken into consideration for all volumetric dispens-
ing. 

Default = 200 

4.5 

Deceleration 

(Used in Dispense, Dose and Analogue mode) 

Similar to acceleration this setting prevents a hard stop. 

Default = Max (255) 

4.6 

Direction

 

(Used in Dispense and Dose mode) 

The direction is either CW (pumping left to right) or CCW. 

Default = CW 

 

4.7  Inputs Enable

 

(Used in Dispense, Dose and Analogue mode)

The inputs enable is an advanced feature which monitors the pump for either 
the pump lid (clamp) being open or the pump stalling. In both cases the pump 
will stop. 

In the case of lid being open, the pump will automatically re-start when the lid 
is closed. In the case of stalling, the driver will ask if the pump should be re-
started. 

The inputs are detailed in section 5.2. 

This feature is only available on 25K and with sensor configuration. 

Default = both input are not activated 

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Page 6

4.8 

Reset

 

(Used in Dispense, Dose and Analogue mode) 

The reset will return all settings to the factory default settings. 

4.9 

 Dose Speed

 

(Used in Dose Mode)

This setting determines the speed (RPM) of dosing. 

Default = 300 rpm 

4.10  Dose Interval

 

(Used in Dose Mode)

The dose interval (hours, minutes, seconds) determines the interval between 
doses. 

Default = 5 seconds. 

4.11  Times

 

(Used in Dose Mode)

The times setting determines how many times the dose cycle will be repeated. 
It can be set between 0 to 99 or infinite. 

Default = infinite 

4.12  Max Speed

 

(Used in Analogue Mode)

The max speed setting determines the pump RPM with an analogue speed 
input at 5V. Between 0 to 5V the RPM will be a linear response. 

Default = 300 rpm 

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