49
2nd block parameter
ALM1
ALM2
Alarm type 1, 2 (051, 052)
[Description] –––––––––––––––––––––––––––––––––––––––––––––––––––––––
Set the alarm type for Alarm1, Alarm2.
1-point alarm
Type Setpoint Alarm type Action diagram
0
No alarm ―
Absolute
value alarm
1
High alarm
PV
t
ALn
2
Low alarm
PV
t
ALn
3
High alarm (with hold)
PV
t
ALn
4
Low alarm (with hold)
PV
t
ALn
Deviation
alarm
5
High alarm
SV
PV
t
ALn
6
Low alarm
SV
PV
t
ALn
7
High/Low alarm
SV
PV
t
ALn
8
High alarm (with hold)
SV
PV
t
ALn
9
Low alarm (with hold)
SV
PV
t
ALn
10
High/Low alarm (with
hold)
SV
PV
t
ALn
Zone alarm
11
High/Low deviation
alarm
SV
PV
t
ALn
2-point alarm
Type Setpoint Alarm type Action diagram
High/Low
limit alarm
16
High/Low absolute alarm
PV
An-H
An-L
17
High/Low deviation
alarm
PV
An-H
An-L
18
High absolute/Low
deviation alarm
PV
An-H
An-L
19
High deviation/Low
absolute alarm
PV
An-H
An-L
20
High/Low absolute alarm
(with hold)
PV
An-H
An-L
21
High/Low deviation
alarm (with hold)
PV
An-H
An-L
22
High absolute/Low
deviation alarm (with hold)
PV
An-H
An-L
23
High deviation/Low
absolute alarm (with hold)
PV
An-H
An-L
Zone alarm
24
High/Low absolute alarm
PV
An-H
An-L
25
High/Low deviation
alarm
PV
An-H
An-L
26
High absolute/Low
deviation alarm
PV
An-H
An-L
27
High deviation/Low
absolute alarm
PV
An-H
An-L
28
High/Low absolute alarm
(with hold)
PV
An-H
An-L
29
High/Low deviation
alarm (with hold)
PV
An-H
An-L
30
High absolute/Low
deviation alarm (with hold)
PV
An-H
An-L
31
High deviation/Low
absolute alarm (with hold)
PV
An-H
An-L
ALn: indicates the alarm set values (AL1 to AL2)
An-H: indicates the alarm set values (A1-H to A2-H)
An-L: indicates the alarm set values (A1-L to A2-L)
What is alarm with hold?
The alarm will not turn ON immediately when the
process value gets into the alarm band and enters again.
PV (process value)
Power on
Lower limit alarm
Lower limit alarm
(with hold)
Power on
Power off
Lower limit alarm
output area
on
on
off off
off offoff
on
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