
36 -
ATR243 - User manual
35
a.2.Ld.
Alarm 2 Led
State of OUT2 led corresponding to relative contact
c.o.
ON with open contact
c.c.
ON with closed contact (
Default
)
36
a.2.HY.
Alarm 2 Hysteresis
-999…+999 [digit
9
] (degrees.tenths for temperature sensors),
Default
: 0.0.
37
a.2.d.e.
Alarm 2 Delay
-180…+180 seconds.
Negative: delay in alarm exit phase.
Positive: delay in alarm entry phase.
Default
: 0.
38
a.2.s.p.
Alarm 2 Setpoint Protection
Alarm 2 set protection. Does not allow operator to change value set
free
Modification allowed (
Default
)
Lock
Protected
Hide
Protected and not visualized
39
AL. 3
Alarm 3
Alarm 3 selection. Alarm intervention is associated with AL3. (See par. 11)
dis.
Disabled (
Default
)
A. AL.
Absolute alarm, referring to process
b. AL.
Band alarm
H.d.AL.
Upper deviation alarm
L.d.AL.
Lower deviation alarm
A.c.AL.
Absolute alarm, referring to command setpoint
st.AL.
Status alarm (active in Run / Start)
cooL
Cooling action (see Par. 7.12)
L.b.A.
Status alarm
“load control”
(Loop Break Alarm). Example: status of contactors
/ SSR or heating elements
40
a.3.5.o.
Alarm 3 State Output
Alarm 3 output contact and intervention type
n.o. s.
(N.O. Start) Normally open, active at start (
Default
)
n.c. s.
(N.C. Start) Normally closed, active at start
n.o. t.
(N.O. Threshold) Normally open, active on reaching alarm
10
n.c. t.
(N.C. Threshold) Normally closed, active on reaching alarm
10
9
Display of decimal point depends on setting of parameter
sen.
and parameter
d.p.
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.