38 ATR401 - User manual
26 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 o .
Positive: delay when turning on.
Default: 0.
27 Command Setpoint Protection
Allows/prevents changes to command setpoint value by keyboard.
Modi cation allowed (Default)
Protected
28 Tune
Autotuning type selection.
Disabled (Default)
Automatic (P.I.D. parameters calculation at each activation and /
or each change)
Manual (launch by keyboards or by digital input)
Once (P.I.D. parameters calculation only at rst start)
29 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.
30 Proportional Band
Process inertia in units (example: °C if temperature).
0 ON / OFF if also is equal to 0 (Default).
1…9999 digit
5
(tenth of degree if temperature).
31 Integral Time
Process inertia in seconds.
0.0…999.9 seconds. 0 integral disabled, Default: 0.0
5
The display of the decimal point depends on the setting of parameter
. and
or
and