User manual -
ATR171 31
20
c. se.
Command State Error
Contact state for command output in case of error
c.o.
Open contact (
Default
)
c.c.
Closed contact
21
c. Ld.
Command Led
Defines led OUT1 state corresponding to relevant contact
c.o.
ON with open contact
c.c.
ON with closed contact (
Default
)
22
c. de.
Command Delay
Command delay (only in ON / OFF functioning). (In case of valves it works also in
P.I.D. and represents delay between opening and closure of two contacts).
-600..+600 seconds (tenth of second in case of servo valve).
Negative: delay when turning off.
Positive: delay when turning on.
Default
: 0.
23
c. s.p.
Command Setpoint Protection
Allows/prevents changes to command setpoint value by keyboard
free
Modification allowed (
Default
)
Lock
Protected
24
tune
Tune
Autotuning type selection
dis.
Disabled (
Default
)
auto
Automatic (P.I.D. parameters calculation at each activation and / or
each change)
man.
Manual (launch by keyboards or by digital input)
once
Once (P.I.D. parameters calculation only at first start)
25
s.d.tu.
Setpoint Deviation Tune
Selects deviation from command setpoint as threshold used by autotuning to
calculate P.I.D. parameters
0..5000 digit
5
(tenth of degree if temperature),
Default
: 10.0.
26
p.b.
Proportional Band
Process inertia in units (example: °C if temperature)
0 ON / OFF if also
t.i.
is equal to 0 (
Default
).
1..9999 digit
5
(tenth of degree if temperature).
5
The display of the decimal point depends on the setting of parameter
sen
. and
d.p. 1
or
sen.2
and
d.p. 2.
Summary of Contents for ATR 171
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