Watson-Marlow 520DuN IP66/NEMA 4X User Manual
74
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 maunal 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 (RS485) 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.
