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■ Alarm Types
Select alarm types out of the 12 alarm types listed in the following table.
Set value
Alarm type
0
Alarm function
OFF
1
Upper- and
(See note 1.)
lower-limit
(deviation)
2
Upper limit
(deviation)
3
Lower limit
(deviation)
4
Upper- and
(See note 1.)
lower-limit
range
(deviation)
5
Upper- and
(See note 1.)
lower-limit with
standby
sequence
(deviation)
6
Upper-limit
with standby
sequence
(deviation)
7
Lower-limit
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
12
Annunciator
(See note 6.)
output
4
Limit Controller
Alarm output operation
When X is
When X is
positive
negative
Output OFF
(See note 2.)
L
H
ON
OFF
SP
X
X
ON
ON
OFF
OFF
SP
SP
X
ON
ON
OFF
OFF
SP
SP
(See note 3.)
L
H
ON
OFF
SP
(See note 4.)
L
H
ON
OFF
SP
(See note 5.)
X
X
ON
ON
OFF
OFF
SP
SP
X
ON
ON
OFF
OFF
SP
SP
X
X
ON
ON
OFF
OFF
0
X
X
ON
ON
OFF
OFF
0
X
X
ON
ON
OFF
OFF
0
X
X
ON
ON
OFF
OFF
0
---
E5CN-FR
Note: 1. With set values 1, 4 and 5, the upper and lower limit values
can be set independently for each alarm type, and are
expressed as "L" and "H."
2. Set value: 1, Upper- and lower-limit alarm
Case 1
L
H
H<0, L>0
|H| < |L|
3. Set value: 4, Upper- and lower-limit range
X
Case 1
L
H
H<0, L>0
|H| < |L|
4. Set value: 5, Upper- and lower-limit with standby sequence
For Upper- and Lower-Limit Alarm Described Above
• Case 1 and 2
Always OFF when the upper-limit and lower-limit
hysteresis overlaps.
• Case 3: Always OFF
5. Set value: 5, Upper- and lower-limit with standby sequence
Always OFF when the upper-limit and lower-limit hysteresis
overlaps.
6. The annunciator output turns ON to inform users when a
X
limit over occurs. This function is enabled by selecting 12
(annunciator output) for alarm 1 type. The annunciator
output turns ON when a limit over occurs, and turns OFF for
the RESET operation.
0
High limit
Limiter
0
0
ON
Annunciator
output
OFF
ON
Status of FM
0
output
OFF
Set the alarm types for alarms 1 and 2 independently in the initial
setting level. The default setting is 12 (annunciator) for alarm 1 type
and 2 (upper limit) for alarm 2 type.
Case 2
Case 3 (Always ON)
H
SP
SP
L H
H>0, L<0
H
L
|H| > |L|
Case 3 (Always ON)
Case 2
H
SP
SP
L
H
H>0, L<0
|H| > |L|
H
L
(1) RESET (2) RESET
(3) RESET
H<0, L<0
SP
L
H<0, L>0
|H| ≥ |L|
SP
H>0, L<0
|H| ≤ |L|
SP
H
L
H<0, L<0
SP
L
H<0, L>0
|H| ≥ |L|
SP
H>0, L<0
|H| ≤ |L|
L
SP
H
Hysteresis
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