User manual - ATR142- 21
2t.s.
: Switch two thresholds setpoint: with open contact
ATR142 regulates on SET1; with closed contact regulates
on SET2;
2 t. s .i .
: Switch two thresholds setpoint: setpoint selection
is done by an impulse on digital input;
3 t.s .i .
: Switch three thresholds setpoint by an impulse on
digital input;
4 t. s .i
: Switch four thresholds setpoint by an impulse on
digital input;
p.r.c.Y.
: Pre-programmed cycle (parameter 7.7).
Setpoints values can be modified any time pressing SET
key.
• Parameter 50
d Gt.i .
NB: Settings on this parameter are available only if
co nt.
or
p r. cY.
are selected on parameter 48
op.mo.
st.st.
: Start / Stop; operating on digital input the controller
switches alternatively from start to stop;
rn.n.o.
: Run N.O. Controller is in start only with closed
input;
rn.n.c.
: Run N.C. Controller is in start only with open input;
L.c.n.o.
: With closed input allows to lock the reading of
sensors;
Lc. n . c.
: With open input allows to lock the reading of
sensors;
tune
: Enables/disables Tuning function if parameter 46
tune
is selected as
man.
;
a.ma.i.
: If parameter 49
au.ma.
is selected as
en.
or
en.st.
controller switch from automatic to manual functioning;
a.ma.c.
: If parameter 49
au.ma.
is selected as
en.
or
en.st.
ATR142 works in automatic mode if input is open or in
manual mode if input is closed.
t.1.s.s.
: timer 1 Start/Stop, (parameter 8.)
NB: digital input functions are not available with sensors
PT100, NI100, NTC, PTC, PT500, PT1000 and potentiometers.