38
ATR 421 - User manual
22
t.d.
Derivative
Time
: Derivative time. Normally ¼ of integral time.
0.0…999.9
seconds. 0 disabled integral. >
Default
: 0.0.
23
t.c.
Cycle
Time
: Cycle time (for P.I.D. on contactor 10”/15”, for P.I.D.
on SSR 1”). For time-proportioned valves see Par. 43.
1…300
seconds. >
Default
: 10.
24
L.L.o.p.
Lower Limit Output Percentage
: Selects min. value for
command output percentage.
0…100
% >
Default
: 0%.
25
u.Lo.P.
Upper Limit Output Percentage
: Selects max. value for
command output percentage.
0…100
% >
Default
: 100%.
26
c. s.e.
Command State Error
: Contact status for command output in
case of error.
o.c.
(Open Contact) >
Default
c.c.
(Contact closed).
27
dGt.i.
Digital
Input
: Digital input functioning.
dis.
(Disabled). >
Default
.
open
Temporary regulation lock input (holding cycle,
open
on
display and command output switching off ).
emrG.
(Emergency) Emergency input: device stops. It visualizes
emrG.
with active buzzer until pressing OK.
Hold
Cycle pause with sepoint modifi able by keyboard.
r.cY.1
(Run Cycle 1) active RUN input:cycle 1 starts
r.cY.2
(Run Cycle 2) active RUN input:cycle 2 starts
r.cY.3
(Run Cycle 3) active RUN input:cycle 3 starts
r.cY.4
(Run Cycle 4) active RUN input:cycle 4 starts
r.cY.5
(Run Cycle 5) active RUN input:cycle 5 starts
r.L.cY
(Run Last Cycle) active RUN input:starts the last cycle done
r.tHE.
(Run Thermoregulator) active RUN input: thermoregulator
function starts
r.man.
(Run Manual) active RUN input: manual mode starts
tune
Input for manual autotuning function
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