Pixsys ATR 401, User Manual, Page: 43 / 124

ATR401 - User manual 43
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
Alarm 3
Alarm 3 selection. Alarm intervention is associated to AL3

Disabled ( Default )

Absolute alarm, referring to process

Band alarm

Upper deviation alarm

Lower deviation alarm

Absolute alarm, referring to command setpoint

Status alarm (active in Run / Start)

Cooling action

Load control alarm (Heater Break Alarm)

Sensor failure alarm (Loop Break Alarm)
Example: status of contactor/ SSR or heating elements
56

Alarm 3 Process
Selects value correlated to alarm 3

Process 1 ( Default )

Process 2

Processes mean

Processes diff erence

Processes diff erence as absolute value

AI1+AI2 Input addition
57

Alarm 3 State Output
Alarm 3 output contact and type of action

(N.O. start) Normally open, active from start ( Default )

(N.C. start) Normally closed, active from start

(N.O. threshold) Normally open, active from alarm reaching
10

(N.C. threshold) Normally closed, active from alarm reaching
10
58

Alarm 3 Hysteresis
-999…+999 digit
11
(tenths of degree if temperature), Default : 0.0.
10
On activation, the output is inhibited if the controller is in alarm mode. Activates only if alarm
condition reappers, after that it was restored.
11 The display of the decimal point depends on the setting of parameter

. and
 
or

and
