User manual - ATR224 - DRR224 - 23
GROUP E -
reG.1
- Autotuning and PID 1
73
tu n.1
Tune 1
Selects autotuning type for command
diS a b.
Disabled. If proportional band and integral time paramters are to selected to zero, the
regulation is ON/OFF type.. (Default)
Auto
Automatic (Automatic P.I.D. parameters calculation)
M an u.
Manual (launch by keyboards or by digital input)
OncE
Once (P.I.D. parameters calculation only at first start)
74
s . d . t.1
Setpoint Deviation Tune 1
Selects deviation from command setpoint as threshold used by
autotuning to calculate P.I.D. parameters
- [digit
p.
] (degrees.tenths for temp. sensors). Default: ..
75
p. b.1
Proportional Band 1
Proportional band or process P.I.D. regulation (Process inertia).
ON / OFF if
t.i . equal to (Default)
... [digit
p.
] (degrees.tenths for temp. sensors).
76
i . t.1
Integral Time 1
Integral time for process P.I.D. regulation (process inertia duration).
..... sec. (. = integral disabled), Default .
77
d. t.1
Derivative Time 1
Derivative time for process P.I.D. regulation (№rmally ¼ of integral time).
..... sec. (. = derivative disabled), Default
78
d . b .1
Dead Band 1
Dead band of process P.I.D..
... [digit
p.
] (degrees.tenths for temp. sensors) (Default: )
79
p. b . c.1
Proportional Band Centered 1
Defines if the proportional band must be centered or not on the setpoint. In double loop
functioning (heating/cooling), always disabled.
diS a b.
Disabled. Band under (heating) or over (cooling)(Default)
Ena b.
Centered band
80
o . o.s .1
Off Over Setpoint 1
In P.I.D. enables the command output switching off, when a certain threshold is exceeded
(setpoint + Par.)
diS a b.
Disabled (Default)
Ena b.
Enabled
81
o.d.t.1
Off Deviation Threshold 1
Selects deviation from command setpoint , to calculate the intervention threshold of “Off Over
Setpoint “ function.
-...+ [digit
p.
] (degrees.tenths for temp. sensors) (Default: )
82
c. t.1
Cycle Time 1
Cycle time for P.I.D. regulation of process (for P.I.D. on remote control switch s; for PID on SSR
s). For valve refer to parameter
va.t.1
- seconds (Default: s)
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