24 network control and operation – Watson-Marlow 520Du User Manual
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Watson-Marlow 520Du User Manual
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24 Network control and operation
Check that the pump is ready to run before selecting network operation. Remote
control signals may start the pump without warning.
How to get into network operation
While the manual mode main screen is displayed, press the AUTO/MAN key.
The pump offers three choices: Analogue, Manual and Network. Use the UP
and DOWN keys to choose and press ENTER to confirm.
Selecting Manual returns the user to the manual mode main screen. See 14
Manual operation.
Selecting Network puts the pump into network (RS232) mode.
Selecting Analogue puts the pump into analogue mode. See 23 Automatic
control and operation.
The pump is automatically switched into auto-restart mode and displays the !
icon. The only keys active are STOP, AUTO/MAN and MENU.
Remote stop, auto/man, dose, direction enable and direction inputs are inac-
tive. Leak input is active. See 25.1 Error codes.
All pump status outputs are active.