Watson-Marlow 505Du - Manual (Page 10)

10
Part 2: Operation
Overview
The 505Du can be operated under manual
control, analogue or digital RS232 auto-control,
with remote or TTL control of direction and
stop/start.
Under manual control, you can select the speed
or direction either when the pump is stopped or
when it is running.
There are rapid methods to select the
maximum or minimum speeds.
You can quickly select whether after a power
interruption the pump should start again
automatically, or go to the main menu and await
operator input.
You can choose whether to display the drive
rpm or flow rate calibrated in ml/min. The flow
rate can be calibrated by setting pumphead
and tube size or with a calibration dose.
Turn the power switch (on the rear panel of the drive) On (I).
Provided auto-restart has not been selected, the main
menu will be displayed Press Step to move to the required mode.
M A N U A L A U T O >
Step, Step calls second screen
C A L I B S E T U P <
Step, Step recalls first screen
Manual
M A N U A L A U T O >
Press Enter to select required mode
Initially the factory default will show on the display and the pump will be stationary.
Once the pump has been used it will display the setting last used.
Change direction by pressing CW/CCW
While the pump is running a cursor at the bottom of the display will move from left
to right to indicate that the pump is running clockwise and it will move from right
to left to indicate that the pump is running anti-clockwise.
Change speed by pressing
∧
or
∨
The speed control ratio of the 505Du is 220:1 giving a minimum speed of 1rpm
on the 220rpm drive and 0.2 rpm on the 55 rpm drive. When pressing the
∧
or
∨
key the speed will change initially on the 220rpm model from 0rpm to 1rpm,
Overview
Enter Start Stop
Step
CCW
CW
Max
Menu
Main
MANUAL AUTO
RPM
Start up
Main menu
Direction
Speed