53
Max Gap Tune
Selects the max. process-setpoint gap, beyond which the automatic tune
recalculates P.I.D. parameters.
0.1...50.0 tenths of degree. > Default: 1.0.
54
Minimum Proportional Band
Selects the proportional band min. value selectable by automatic tune.
0.0...999.9 tenths of degree. > Default: 5.0.
55
Maximum Proportional Band
Selects the proportional band max. value selectable by automatic tune.
0.0...999.9 tenths of degree. > Default: 50.0.
56
Minimum Integral Time
Selects the integral time min. value selectable by automatic tune.
0...999.9 seconds. > Default: 10.0.
Alarm intervention modes
12
The ATR902 has the possibility to program an alarm. Into the following table
all intervention modes are showed.
Absolute alarm
PROCESS
OUT
ON
OFF
The alarm can be:
Comparison value
• Active over
(Par. 25)
Hysteresis
• Active under
In the fi gure it is active over.
Time
ATR902 - User manual
31