Super Systems X5 - Manual (Page 32)

32
4 - Operation
Absolute alarm
Active high
é -fsH
Active low
é -fsl
hyd hyu
On
Off
On
Off
Alarm threshold
High range Low range
Deviation alarm
Active high
Active low
é -del
hyd hyu
On
Off
On
Off
SP
Alarm threshold
+ range - range
é -deH
Band alarm
Active out
é -bnd
hyd hyu
On
Off
SP
Alarm threshold
full scale full scale
hyd hyu
∆SP
∆SP ∆SP
4.3.6 AL1, AL2, AL3, AL4 ALARM CONFIGURATION [A] OPERATING CONDITIONS
Up to four alarms can be config-
ured: AL1, AL2, AL3 and AL4 (see
page 31).
For each alarm the following selec-
tions can be mode:
A the type and the operating condi-
tion of the alarm (table 11 page 31)
B the functionality of the alarm
acknowledge (latching) #ltch
C the start-up disabling (blocking)
#bloc
D alarm inhibition on sensor break
E the physical output of the alarm
#OpI #Op2 #Op3 #Op4
The outputs can be used for
alarms if they are not used as
control outputs (see par.
3.3.7
page 20).
It is possible to route up to 4 alarm
to a single output (OR of the alarms).
Alarm occurrence display
This function can be enabled by the
configuration software.
Please, read the user manual:
“Serial communication and configu-
ration software”.
[B] ALARM ACKNOWLEDGE
FUNCTION
The alarm, once occurred, is
presented on the display until
acknowledged. The acknowledge
operation consists in pressing any
key.
After this operation, the alarm
leaves the alarm state only when
the alarm condition is no longer
present.
Ltch
Yes
275.0
3deH
The type of alarm is presented
flashing, on the front panel in
alternation with the PV value.
The red led of the activated
alarm output is on.
X5-SSI-uk 18-03-2009 17:53 Pagina 32