36 ATR171 -
User manual
52
a.3.pr.
Alarm 3 Process
Selects value correlated to alarm 3
pro.1
Process 1 (
Default
)
pro.2
Process 2
mean
Processes mean
diff.
Processes difference
abs.d.
Processes difference as absolute value
53
a.3.s.o.
Alarm 3 State Output
Alarm 3 output contact and type of action
n.o. s.
(N.O. start) Normally open, active from start (
Default
)
n.c. s.
(N.C. start) Normally closed, active from start
n.o. t.
(N.O. threshold) Normally open, active from alarm reaching
10
n.c. t.
(N.C. threshold) Normally closed, active from alarm reaching
10
54
a.3.HY.
Alarm 3 Hysteresis
-999..+999 digit
11
(tenths of degree if temperature),
Default
: 0.0.
55
a.3.re.
Alarm 3 Rearmament
Type of reset for alarm 3 contact
a.re.
Automatic Reset (
Default
)
m.re.
Manual Reset by keyboard
m.re.s.
Manual reset stored. (keeps relay status also after an eventual power
failure)
56
a.3.s.e.
Alarm 3 State Error
Contact status for alarm 3 output in case of error
c.o.
Open contact (
Default
)
c.c.
Closed contact
57
a.3.Ld.
Alarm 3 Led
Defines led
A3
status corresponding to relevant contact
c.o.
ON with open contact
c.c.
ON with closed contact (
Default
)
58
a.3.de.
Alarm 3 Delay
-600..+600 seconds.
Negative: delay at exit from alarm.
Positive: delay at starting of alarm.
Default
: 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
sen
. and
d.p. 1
or
sen.2
and
d.p. 2.
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