Alarm Intervention Modes - Pixsys ATR 902 Manual Instalador

53 Max Gap Tune
m.G.tu.
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
mn.p.b.
Selects the proportional band min. value selectable by automatic tune.
0.0...999.9 tenths of degree. > Default: 5.0.
55 Maximum Proportional Band
ma.p.b.
Selects the proportional band max. value selectable by automatic tune.
0.0...999.9 tenths of degree. > Default: 50.0.
56 Minimum Integral Time
mn. i .t.
Selects the integral time min. value selectable by automatic tune.
0...999.9 seconds. > Default: 10.0.
11

Alarm intervention modes

The ATR902 has the possibility to program an alarm. Into the following table all
intervention modes are showed.
11.a
Absolute alarmg
PROCESS
OUT
ON
OFF
26 - ATR902 - User manual
Comparison value
(Par. 25)
Alarm can be:
Hysteresis
• Active over
• Active under
In the figure it is active over.
Time