Omron E5CC User Manual page 77

Alarm
Alarm type
type No.
13
PV change rate
alarm
14
SP
absolute-value
upper-limit
alarm
15
SP
absolute-value
lower-limit
alarm
16
MV
absolute-value
upper-limit
alarm
17
MV
absolute-value
lower-limit
alarm
18
RSP
absolute-value
upper-limit
alarm
19
RSP
absolute-value
lower-limit
alarm
E5@C Digital Temperature Controllers User's Manual (H174)
Description
The alarm output turns ON if the
change in the PV within the
specified calculation period
exceeds a specific width.
The alarm output is ON while the
SP is equal to or higher than the
alarm value.
The alarm output is ON while the
SP is equal to or lower than the
alarm value.
The alarm output is ON while the
MV is equal to or higher than the
alarm value.
The alarm output is ON while the
MV is equal to or lower than the
alarm value.
The alarm output is ON while the
RSP is equal to or higher than the
alarm value.
The alarm output is ON while the
RSP is equal to or lower than the
alarm value.
3 Part Names and Basic Procedures
Operation
PV
PV rate of change calculation period
PV Change Rate Alarm Output
ON
OFF
The PV rate of change calculation period and
the alarm value are set in parameters.
Example:
ON
OFF
0
Upper-limit alarm
point (e.g., 100°C)
Alarm value (e.g., 100°C)
Example:
ON
OFF
0
Lower-limit alarm
point (e.g., 100°C)
Alarm value (e.g., 100°C)
Example for Standard Control:
ON
OFF
0
Upper-limit alarm
point (e.g., 60%)
Alarm value (e.g., 60%)
Example for Standard Control:
ON
OFF
0
Lower-limit alarm
point (e.g., 80%)
Alarm value (e.g., 80%)
Example:
ON
OFF
0
Upper-limit alarm
point (e.g., 100°C)
Alarm value (e.g., 100°C)
Example:
ON
OFF
0
Lower-limit alarm
point (e.g., 100°C)
Alarm value (e.g., 100°C)
Change rate width
Time
Time
3
SP
SP
MV
MV
RSP
RSP
3 - 17