Pixsys ATR 121 - PID Control Parameters (Proportional, Integral, Derivative)

23
15
Proportional
band
Width of the
process
expressed as
units (°C if
temperature)
0…999 0…9999
0 = On/Off
°C (temp.)
digit (V/mA)
(default 0)
16
Integral time.
Inertia of the
process
expressed as
seconds
0-999 0-9999
seconds
(0 excludes
Integral)
(default 0)
17
Derivative
time for
P.I.D.
Usually ¼ of
integral time
0…999 0…9999 seconds
(0 excludes
Derivative)
(default 0)
18
Cycle time
for time-
proportioning
output
(usually over
10s for
contactors,
1s for SSR,
value
declared by
manufacturer
for motorised
valves)
1-300 Seconds.
Entering 0 the
cycle time will be
100ms
(default 10)