Watson-Marlow 520DuN IP66/NEMA 4X User Manual
71
23 Automatic control and operation
Check that the pump is ready to run before selecting automatic operation. Remote
control signals may start the pump without warning.
How to get into auto operation
While the maunal mode main screen is displayed, press the
AUTO/MAN
key,
or apply a high signal (5V to 24V) to the remote auto / manual input.
If auto entry was triggered remotely, the pump responds to the analogue signal
as soon as this is done and shows the “AUTO” icon.
If auto entry was triggered using 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 (RS485) mode. See 24
Network control and operation
.
Selecting
Analogue
puts the pump into analogue mode. It responds to the
analogue signal as soon as this is done and shows the “AUTO” icon.
