User manual
- DRR245 39
28
a.1.Hy.
Alarm 1 Hysteresis
-999..+999
[digit
] (degrees.tenths for temperature sensors),
Default
:
0.0.
29
a.1.de.
Alarm 1 Delay
-180..+180 seconds.
Negative
: delay in alarm output phase.
Positive
: delay in alarm entry phase.
Default
: 0.
30
a.1.sp.
Alarm 1 Setpoint Protection
Alarm 1 set protection. Does not allow user to modify setpoint
free
Modification allowed (
Default
)
Lock
Protected
Hide
Protected and not visualized
31
AL. 2
Alarm 2
Alarm 2 selection. Alarm intervention is related to AL2.
(Par. 13 pag. 48)
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
L.b.A.
Status alarm “load control” (Loop Break Alarm). Example: status
of contactors / SSR or heating elements
32
a.2.so.
Alarm 2 State Output
Alarm 2 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
n.c. t
(N.C. threshold) Normally closed, active on reaching alarm
Summary of Contents for DRR 245
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