Watson-Marlow 720UN and 720SN User Manual
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16.2 Analogue
When the pump is under remote control, it tracks an analogue signal from the user’s
remote control system to the
i/p
terminal of the Analogue 1 connector at the rear of
the pump within the ranges 4-20mA, 0-10V or 1-5V. The
Analogue
option in the
Setup menu allows the user to configure the pump to operate with his remote con-
trol system.
Select
Analogue
from the Setup menu using the
UP
or
DOWN
keys and press
ENTER
to confirm your choice.
Three options are displayed:
Input, Trim
and
Menu
.
Input
allows the user to tell the pump which signal type he will apply, or to choose
the program option. If he selects
Program
from the subsequent menu, the user can
choose his input type and tell the pump the speeds at which to operate on receiving
a low or high process control signal. See 16.2.1
Input speed
.
Trim
displays the Trim menu, described above. See 16.1
Trim
.
Menu
returns the user to the first section of the Setup menu. See 16
Setup
.
