Omron E5AC - Page 139

3 - 17
3 Part Names and Basic Procedures
E5@C Digital Temperature Controllers User’s Manual (H174)
3-4 Procedures after Turning ON the Power Supply
3
3-4-2 Basic Procedure
Alarm Type Numbers
Set
value
Alarm type Description Operation
0 Alarm function
OFF
There will be no alarm outputs. ---
1 Upper- and
lower-limit
alarm
The alarm output is ON while the
PV is equal to or higher than the
upper-limit alarm point or while
the PV is equal to or lower than
the lower-limit alarm point.
2 Upper-limit
alarm
The alarm output is ON while the
PV is equal to or higher than the
upper-limit alarm point.
3 Lower-limit
alarm
The alarm output is ON while the
PV is equal to or lower than the
lower-limit alarm point.
4 Upper- and
lower-limit
range alarm
The alarm output is ON while the
PV is equal to or lower than the
upper-limit alarm point or equal to
or higher than the lower-limit
alarm point.
5 Upper- and
lower-limit
alarm with
standby
sequence
This alarm provides a standby
sequence.
The alarm output is ON while the
PV is equal to or higher than the
upper-limit alarm point or while
the PV is equal to or lower than
the lower-limit alarm point.
6 Upper-limit
alarm with
standby
sequence
This alarm provides a standby
sequence.
The alarm output is ON while the
PV is equal to or higher than the
upper-limit alarm point.
7 Lower-limit
alarm with
standby
sequence
This alarm provides a standby
sequence.
The alarm output is ON while the
PV is equal to or lower than the
lower-limit alarm point.
Example:
OFF Temperature
Set point
(e.g., 100°C)
ON
Lower-limit alarm
point (e.g., 80°C)
Upper-limit alarm
point (e.g., 130°C)
Alarm value upper
limit (e.g., 30°C)
Alarm value lower
limit (e.g., 20°C)
ON
Example:
OFF Temperature
Alarm value upper limit (e.g., 20°C)
Set point
(e.g., 100°C)
Upper-limit alarm
point (e.g., 120°C)
ON
Example:
OFF Temperature
Lower-limit alarm point
(e.g., 80°C)
Set point
(e.g., 100°C)
Alarm value lower limit (e.g., 20°C)
Example:
OFF Temperature
ON
Set point
(e.g., 100°C)
Lower-limit alarm
point (e.g., 80°C)
Alarm value lower
limit (e.g., 20°C)
Upper-limit alarm
point (e.g., 130°C)
Alarm value upper
limit (e.g., 30°C)
Example:
OFF Temperature
ON
Lower-limit alarm
point (e.g., 80°C)
Set point
(e.g., 100°C)
Upper-limit alarm
point (e.g., 130°C)
Alarm value upper
limit (e.g., 30°C)
Alarm value lower
limit (e.g., 20°C)
ON
Example:
OFF Temperature
Upper-limit alarm
point (e.g., 120°C)
Alarm value upper limit (e.g., 20°C)
Set point
(e.g., 100°C)
ON
OFF Temperature
Lower-limit alarm point
(e.g., 80°C)
Set point
(e.g., 100°C)
Alarm value lower limit (e.g., 20°C)
Example: