Table of Contents
Advertisement
Digital Input Functions
7.11
Digital input is programmable for several functions which
are useful to simplify controller operability. Select the chosen
function on parameter 50
• Hold function (enabled by setting
to lock the reading of sensors when the digital input is ac-
tive (useful for wide ranging oscillation on less significant
values). During the hold phase, display 2 flashes and shows
.
Lock
• Enables/disables the autotuning function by digital input
if the parameter
• Enable regulation with
• Switch from automatic to manual functioning if
set on
en.
• Start of pre-programmed cycle (see par. 7.7) with
• Change setpoint function.
This function is useful where there are 2 to 4 working thres
holds required during system functioning without having
to press the arrow keys.
To enable the function use the parameter
selecting the number of setpoints desired (no. thresholds
switch). They can be switched during functioning by
pressing the
tune
or
en.st.
key.
dGt. i .
L.c.n.o.
is set on
man.
or
rn.n.o.
rn.n.c.
or
L.c.n.c.
op.Mo.
UR3274U - User manual
) allows
is
au.ma.
st.st.
, by
21
Advertisement
Table of Contents
