41
Alarm Outputs Section 3-9
3-9-1 Alarm Types
Note (1) With set values 1, 4 and 5, the upper- and lower-limit values can be set
independently for each alarm point, and are expressed as “L” and “H”.
(2) Set value 1: Upper- and lower-limit alarms
Set
Value
Alarm Type Alarm Output Operation
When alarm value
X is positive
When alarm value X
is negative
0 Alarm function OFF Output OFF
1 Upper- and lower-limit
(deviation)
(See note 1.)
(See note 2.)
2 Upper-limit (deviation)
3 Lower-limit (deviation)
4 Upper- and lower-limit
range (deviation)
(See note 1.)
(See note 3.)
5 Upper- and lower-limit
alarm with standby
sequence (deviation)
(See note 1.)
(See note 5.)
(See note 4.)
6 Upper-limit alarm with
standby sequence
(deviation)
7 Lower-limit alarm with
standby sequence
(deviation)
8 Absolute-value upper-limit
9 Absolute-value lower-limit
10 Absolute-value upper-limit
with standby sequence
11 Absolute-value lower-limit
with standby sequence
ON
OFF
LH
SP
X
ON
OFF
SP
ON
OFF
SP
X
X
ON
OFF
SP
ON
OFF
SP
X
ON
OFF
SP
LH
ON
OFF
SP
LH
ON
OFF
SP
X
ON
OFF
SP
X
ON
OFF
SP
X
ON
OFF
SP
X
ON
OFF
0
X
ON
OFF
0
X
ON
OFF
0
X
ON
OFF
0
X
ON
OFF
0
X
ON
OFF
0
X
ON
OFF
0
X
ON
OFF
0
X
Case 1 Case 2
Case 3 (ON in regular situations)
H< 0.L <0
H< 0.L >0
H≥L
H> 0.L <0
H≤L
H<L
H> 0.L <0
H>L
H
H
H
H
H
L
L
SP
SP
LSP
L
SP
SP
L
H< 0.L <0