User manual -
ATR171 33
34
a.1.pr.
Alarm 1 Process
Select value correlated to alarm 1
pro.1
Process 1 (
Default
)
pro.2
Process 2
Mean
Processes mean
diff.
Processes difference
abs.d
. Processes difference as absolute value
35
a.1.s.o.
Alarm 1 State Output
Alarm 1 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
6
n.c. t.
(N.C. threshold) Normally closed, active from alarm reaching
6
36
a.1.Hy.
Alarm 1 Hysteresis
-999..+999 digit
7
(tenths of degree if temperature),
Default
: 0.0.
37
a1.re.
Alarm 1 Rearmament
Type of reset for contact of alarm 1
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)
38
a.1.s.e.
Alarm 1 State Error
Contact status for alarm 1 output in case of error
c.o.
Open contact (
Default
)
c.c.
Closed contact
39
a.1.Ld.
Alarm 1 Led
Defines led
A1
status corresponding to relevant contact
c.o.
ON with open contact
c.c.
ON with closed contact (
Default
)
40
a.1.de.
Alarm 1 Delay
-600..+600 seconds.
Negative: delay at exit from alarm.
Positive: delay at starting of alarm.
Default
: 0.
6
On activation, the output is inhibited if the controller is in alarm mode. Activates only if alarm
condition reappers, after that it was restored.
7
The display of the decimal point depends on the setting of parameter
sen
. and
d.p. 1
or
sen.2
and
d.p. 2.
Summary of Contents for ATR 171
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