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Watson-Marlow 620DuN and 620Du User Manual 18
When the language is chosen this menu will not appear again and all menus
will appear in the language you chose. (Language can be reset as described
later. See 18.19 Language.)
The pump displays the Watson-Marlow start-up screen for four seconds,
followed by the pump model identity screen for four seconds, and then the
manual mode main screen.
The rotation symbol on the display indicates clockwise rotation. The default
speed setting is 165rpm, but 265rpm is available (see 18.13 Set maximum
allowed speed). Other initial start-up operational parameters are listed in the
table below.
First-time start-up defaults
Language Not set Analogue input 4-20mA
Speed 165rpm User trim None
Direction Clockwise Remote stop Open=run
Pumphead 620R Pump number 1
Tube size 15.9mm Baud rate 9600
Calibration 620R 15.9mm tube Stop bits 2
Backlight On Xon/Xoff Off
Keypad lock Off Scrolling increment 0.1rpm
Auto-restart Off Output 1 Run/Stop *
Scaling Off Output 2 Direction †
Pump status Stopped Output 3 Auto/Man ‡
Beeper On Output 4 General alarm
Manual screen rpm * Run = high
Security code Not set † Clockwise rotation = high
‡ Auto = high
Note: The settings shown above for Run, Clockwise rotation and Auto are those in
force on initial start-up for the functions available on Output 1, Output 2 and Output
3 respectively. For example, a high signal on Output 2 indicates clockwise rotation.
These can be changed later according to user requirements.
Note: High is equivalent to the common and normally open contacts of the relay on
the adapter board being closed.
The pump is now ready to operate according to the defaults listed above.
All operating parameters may be changed by means of key-presses. See 14 Manual
operation.