Alarm Types - Omron E5CN Features

■ 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 lower-
(See note 1.) limit
2 Upper limit
3 Lower limit
4 Upper- and lower-
(See note 1.) limit range
5 Upper- and lower-
(See note 1.) limit with standby
sequence
6 Upper-limit with
standby sequence
7 Lower-limit with
standby sequence
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 LBA (for alarm 1
(See note 6.) only)
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
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Digital Temperature Controllers
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 SP
H<0, L>0
|H| < |L|
3. Set value: 4, Upper- and lower-limit range
X
Case 1
L H SP
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
X
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
0
Always OFF when the upper-limit and lower-limit hysteresis
overlaps.
0
6. Set value: 12, LBA can be set only for alarm 1.
Set the alarm types for alarms 1 to 3 independently in the initial
setting level. The default setting is 2 (upper limit).
0
0
Case 2
Case 3 (Always ON)
H SP L
SP L H
H>0, L<0
H L SP
|H| > |L|
SP H L
Case 3 (Always ON)
Case 2
H SP L
SP L H
H>0, L<0
|H| > |L| H L SP
L
SP H
E5CN/E5CN-U
H<0, L<0
H<0, L>0
|H| ≥ |L|
H>0, L<0
|H| ≤ |L|
H<0, L<0
H<0, L>0
|H| ≥ |L|
H>0, L<0
|H| ≤ |L|
7