31
4 - Operations
#Ltch
ALARM
ACKNOWLEDGE FUNCTION
The alarm, once occurred, is pre-
sented on the display until to the
time of acknowledge.
The acknowledge operation con-
sists in pressing any key.
After this operation, the alarm
leaves the alarm state only when
the alarm condition is no longer
present.
#bloc
START-UP DISABLING
Disable
SP
∆
SP
On
Off
Start-up
∆
SP
Disable
SP
On
Off
Start-up
Ramp down
Ramp up
∆
SP Threshold = SP
±
range
ALARMS WITH LBA (LOOP BREAK ALARM)
AND SENSOR BREAK OPERATION
Select the code 1 on
n
or
o
configuration indexes (see pages 18 or
19). The following parameter is then available:
LBA delay
#t.LbA
Setting a value between 1 and
9999 sec the alarm works as
LBA+Sensor break with delay [1]
This condition is shown by means
a red led as well as the blinking PV
display.
Setting OFF the alarm works as
Sensor break with immediate
action.
This condition is shown by means
the red led of the selected alarm as
well as:
When the cause of the alarm disappears, the alarm status stops.
or
275.0
8888
275.0
8888
____
----
Note [1]
In case of sensor break, con-
dition, the alarm action is immediate.
275.0
274.8
mA
°
C
O P 1
M4UK.ed6 20-05-2005 11:43 Pagina 31