36 ATR 421 - User manual
6 o.caL. O set Calibration: O set calibration. Number added to
visualized process (normally it corrects ambient temperature
value).
-999…+1000 [digit
5
]. Default: 0.0.
7 G. cAL. Gain Calibration: Gain calibration. Number multiplied with
process value to calibrate working point.
-99.9%…+100.0%. Default: 0.0.
8 Lo .L. s . Lower Limit Setpoint: Setpoint lower limit.
-999…+9999 [digit
5
] (degrees.tenths for temperature sensors).
Default: 0.
9 up.L.s. Upper Limit Setpoint: Setpoint upper limit.
-999…+9999 [digit
5
] (degrees.tenths for temperature sensors).
Default: 1750.
10 deGr. Degree: Select degree type
~c Centigrade. > Default.
~f Fahrenheit.
11 tune Tune: Select autotuning type.
di s . Disabled. > Default.
auto Automatic. Controller checks constantly the process value and
modi es P.I.D. values (if necessary).
Man. Manual. Started by keys or digital input.
12 s.d.tu. Setpoint Deviation Tune: Selects deviation from command
setpoint as threshold used by manual tuning to calculate P.I.D.
parameters.
0…5000 [digit
5
] (degrees.tenths for temperature sensors).
> Default: 5.0.
13 m.G.tu.
Max Gap Tune: Selects the max. process-setpoint gap, beyond
which the automatic tune recalculates P.I.D. parameters.
1…500 [digit
5
] (degrees.tenths for temperature sensors).
> Default: 1.0.
5
The display of the decimal point depends on the setting of parameters Sen. and d.p.
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