Alarm Outputs; Alarm Types - Omron E5AN-H User Manual

Alarm Outputs

2.d
45.0
Note
3-9

Alarm Outputs

3-9-1

Alarm Types

8. Use the U and D Keys to set 45.0.
9. To return to the operation level, press the O Key.
Proportional Action
When PID constants I (integral time) and D (derivative time) are set to 0, con-
trol is executed according to proportional action. As the default, the center
value of the proportional band becomes the set point.
Related parameter: Manual reset value (adjustment level)
• Alarm outputs are determined by a combination of Alarm Type, Alarm
Value, and Alarm Hysteresis alarm output conditions. For details, refer to
4-2 Alarm Hysteresis.
• This section describes the Alarm Type, Alarm Value, Upper-limit Alarm
and Lower-limit Alarm parameters.
Set value Alarm type
0 Alarm function OFF
1 Upper- and lower-limit
2 (See note Upper-limit
1.)
3 Lower-limit
4 (See note Upper- and lower-limit
1.) range
5 (See note Upper- and lower-limit
1.) 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
Alarm output operation
When alarm value X When alarm value X
is positive
Output OFF
See note 2.
L H
ON
OFF
SP
X
ON ON
OFF OFF
SP
X
ON ON
OFF OFF
SP
See note 3.
L H
ON
OFF
SP
See note 4.
L H
ON
OFF
SP
See note 5.
X
ON
ON
OFF
OFF
SP
X
ON ON
OFF OFF
SP
X
ON
ON
OFF
OFF
0
X
ON
ON
OFF
OFF
0
X
ON
ON
OFF
OFF
0
Section 3-9
is negative
X
SP
X
SP
X
SP
X
SP
X
0
X
0
X
0
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