User manual - ATR171 33
34
a .1 . p r.
Alarm 1 Process
Select value correlated to alarm 1
p r o .1
Process 1 (Default)
pro .2
Process 2
Mean
Processes mean
di f f.
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 . H y .
Alarm 1 Hysteresis
-999..+999 digit
7
(tenths of degree if temperature), Default: 0.0.
37
a1 . r e .
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 . d e .
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.
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