Pixsys ATR 621 series, User Manual

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ATR 621 - User manual 35
11

Tune
Select autotuning type.

Disabled. > Default .

Automatic. Controller checks constantly the process value and
modifi es P.I.D. values (if necessary).

Manual. Started by keys or digital input.
12

Setpoint Deviation Tune
Selects deviation from command setpoint as threshold used by manual
tuning to calculate P.I.D. parameters.
0…5000 [digit
4
] (degrees.tenths for temperature sensors). > Default : 5.0.
13

Max Gap Tune
Selects the max. process-setpoint gap, beyond which the automatic tune
recalculates P.I.D. parameters.
1…500 [digit
4
] (degrees.tenths for temperature sensors). > Default : 1.0.
14

Minimum Proportional Band
Selects proportional band min. value selectable by automatic tune.
0…9999 [digit
4
] (degrees.tenths for temperature sensors). > Default : 5.0.
15

Maximum Proportional Band
Selects proportional band max. value selectable by automatic tune.
0…9999 [digit
4
] (degrees.tenths for temperature sensors). > Default : 50.0.
16

Minimum Integral Time
Selects integral time min. value selectable by automatic tune.
0…999.9 seconds. > Default : 10.0.
18

Command Action Type
Command output regulation type.

(Heat). Heating regulation (n.o.). > Default

(Cool). Cooling regulation (n.c.).
19

Command Hysteresis
Hysteresis in ON/OFF or dead band in P.I.D. for command output.
-999…+999 [digit
4
] (degrees.tenths for temperature sensors). > Default : 1.0