18
6.3
Alarm
The third output (output 3) is alarm.
The configuration parameters of the output you will find in
configuration level
, menu
out3
, setting of the alarm limits
ALLo
and
ALhI
you will find in
operation level or user level
.
Setting of alarm output
Set this function with parameter
out3
:
•
ot3
=
oFF
, alarm output is turned OFF.
•
ot3
=
ALPr
, alarm limits defined by the absolute value.
•
ot3
=
ALdE
, alarm limits are set as the deviation from stp value SP1.
Important:
•
Relay in standby MODE means
active alarm.
•
When controller is switched OFF, error of sensor, error of controller the alarm is active.
Alarm defined by the absolute value of temperature
ot3
=
ALPr
Alarm defined by the deviation from stp value
ot3
=
ALdE
Temporary, permanent(latched) alarm
Alarm can be temporary (
LAt3
=
oFF
) or permanent (
LAt3
=
on
).
•
Temporary alarm will turn automatically off when the alarm condition is over.
•
Permanent alarm is turned ON even when the alarm condition is over. Turn OFF permanent (latched) alarm when the alarm
condition is over by the function
AoFF
, that is found in
user level
or
operation level
. Permanent alarm is also turned off
after the supply voltage interruption.
•
Process
value
time
ALLo
ALhI
Active
Active
Deactivated
Stp value
Parameters
ALLo
and
ALhI
define low and high
deviation from stp value at
which alarm is active.
Process
value
time
ALLo
ALhI
Active
Active
Deactivated
Alarm limits are defined
from absolute values.