Watson-Marlow 520DUN User Manual page 11

Watson-Marlow 520DuN IP66/NEMA 4X User Manual
520DuN, IP66 NEMA 4X model
This pump can be controlled from the keypad or remotely. It features:
Manual control
Speed adjustment; run and stop; direction control; keypad scaling; "max" key
for rapid priming.
Remote control
The pump can be digitally controlled with a contact closure or logic input signal
to operate the pump.
Analogue control
The pump speed can be controlled through an analogue signal input in the
ranges 0-10V or 4-20mA. Scaling can be controlled similarly using Analogue
signal input 2.
RS485 serial communication
Full pump control from a PC or other controller with the ability to network up to
32 pumps.
Outputs
A 0-10V, 4-20mA or 0-1258Hz output signal provides feedback of the pump
speed. There are four relay status outputs which can be configured in software
for a variety of pump parameters.
MemoDose
Allows precise repeat dosing. Stores in memory a pulse count from the motor.
This count is repeated each time START is pressed to provide a single-shot
dose.
Calibration
Full calibration with default figures for a range of pumpheads and tubes.
Calibration dose facility.
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