UR3274U - User manual
41
15
c. HY.
Command Hysteresis
hysteresis in ON/OFF or dead band in P.I.D.
-999…+999
[digit
3
], (degrees.tenths for temperature
sensors) >
Default
: 0.0
16
c. de.
Command Delay
(only in ON/OFF functioning).(In case of servo valve it also
functions in PID and represents the delay between the
opening and closure of the two contacts).
-180…+180
seconds, tenths of second in case of servo valve.
Negative: delay in switching off phase.
Positive: delay in activation phase.
Default
: 0.
17
c. s.p.
Command Setpoint Protection
allow/deny modifications of command setpoint by frontal
keyboard.
free
>
Default
Lock.
Locked
18
p.b.
Proportional Band
process inertia in units (°C if temperature).
0
on/off if
t.i.
equal to
0
. >
Default
1-9999
[digit
3
], (degrees for temperature sensors).
19
t.i.
Integral Time
process inertia in seconds
0.0-999.9
sec. (0 excludes integral) >
Default
: 0.
20
t.d.
Derivative Time
normally ¼ of integral time.
0.0-999.9
sec. (0 excludes derivative) >
Default
: 0.
3
The display of decimal point depends on the setting of parameter
sen.
and the parameter
d.p.
