User manual

UR3274U - User manual 41
 c. HY. Command Hysteresis
hysteresis in ON/OFF or dead band in P.I.D.
-…+ [digit

], (degrees.tenths for temperature
sensors) > Default: 0.0

c. d e. 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).
-…+ seconds, tenths of second in case of servo valve.
Negative: delay in switching o phase.
Positive: delay in activation phase.
Default: 0.

c. s. p. Command Setpoint Protection
allow/deny modications of command setpoint by frontal
keyboard.
free > Default
Lo ck. Locked

p. b. Proportional Band
process inertia in units (°C if temperature).
 on/o if
t.i . equal to . > Default
- [digit

], (degrees for temperature sensors).

t.i . Integral Time
process inertia in seconds
.-. sec. (0 excludes integral) > Default: 0.

t.d. Derivative Time
normally ¼ of integral time.
.-. sec. (0 excludes derivative) > Default: 0.

The display of decimal point depends on the setting of parameter sen.
and the parameter d. p.