Pixsys DRR 245, Start Manual

Page: 23 / 59

User manual - DRR245 23
Setting on parameter 48
L.b.A.t.
the value 0 it is possible to visualize the current
absorbed without generating the Loop Break Alarm.
9.2 Digital Imput Functions
On DRR245 model, digital input can be enabled by using parameters 59
op.mo.
and 61
dGt.i.
• Parameter 59
op.mo.
NB : When using this settings, parameter 61
dGt.i.
is ignored.
2t.s.
Switch two thresholds setpoint: with open contact DRR245
regulates on SET1; with closed contact regulates on SET2;
2t.s.i.
Switch two thresholds setpoint: setpoint selection is done by an
impulse on digital input;
3t.s.i.
Switch three thresholds setpoint by an impulse on digital input;
4t.s.i
Switch four thresholds setpoint by an impulse on digital input;
t.res.
Customized function;
p.c.s.s.
Pre-programmed cycle
(Par. 8.7 pag. 18)
.
Setpoints values can be modified any time pressing
|
key.
• Parameter 61
dGt.i.
NB : Settings on this parameter are available only if
cont.
or
pr.cY.
are
selected on parameter 59
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 57
tune
is
selected as
man.
;
a.ma.i.
If parameter 60
au.ma.
is selected as
en.
or
en.st.
controller
switch from automatic to manual functioning;
a.ma.c.
If parameter 60
au.ma.
is selected as
en.
or
en.st.
DRR245 works in
automatic mode if input is open or in manual mode if input is closed.
NB : for the wiring connection of digital input see. (Par. 6.1 pag. 10)
Digital input functions are not available with sensors PT100 and Ni100 if also
the TA input is used.