Omron E5AC-T User Manual page 328

Set
value
4
5
6
7
8
9
10
11
12
13
14
15
16
E5@C-T Digital Temperature Controllers User's Manual (H185)
Alarm type
When alarm value
X is positive
Upper- and
ON
*1
OFF
lower-limit range
Upper- and
ON
lower-limit with
OFF
*1
standby sequence
*5
Upper-limit with
ON
standby sequence
OFF
Lower-limit with
ON
standby sequence
OFF
Absolute-value
ON
upper-limit
OFF
Absolute-value
ON
lower-limit
OFF
Absolute-value
ON
upper-limit with
OFF
standby sequence
Absolute-value
ON
lower-limit with
OFF
standby sequence
LBA (alarm 1 type
only)
PV change rate
alarm
SP absolute-value
ON
upper-limit alarm
OFF
SP absolute-value
ON
lower-limit alarm
OFF
MV absolute-value Standard Control
*9
upper-limit alarm
ON
OFF
Heating/Cooling
Control (Heating
MV)
ON
OFF
Alarm output operation
When alarm value
X is negative
*3
L H
PV
SP
*4
L H
PV
SP
X X
ON
PV OFF
SP SP
X X
ON
PV OFF
SP SP
X X
ON
PV OFF
0 0
X X
ON
PV OFF
0 0
X X
ON
PV OFF
0 0
X X
ON
PV OFF
0 0
X X
ON
SP OFF
0 0
X X
ON
SP OFF
0 0
Standard Control
X X
ON
MV OFF
0 0
Heating/Cooling
Control (Heating
MV)
Always ON
X
MV
0
6 Parameters
Description of function
Set the upward deviation in
the set point for the alarm
upper limit (H) and the
lower deviation in the set
point for the alarm lower
limit (L). The alarm is ON
when the PV is inside this
deviation range.
A standby sequence is
added to the upper- and
*6
lower-limit alarm (1).
A standby sequence is
added to the upper-limit
PV
*6
alarm (2).
A standby sequence is
added to the lower-limit
PV
*6
alarm (3).
The alarm will turn ON if the
process value is larger than
PV
the alarm value (X)
regardless of the set point.
The alarm will turn ON if the
process value is smaller
PV
than the alarm value (X)
regardless of the set point.
A standby sequence is
added to the absolute-value
PV
*6
upper-limit alarm (8).
A standby sequence is
added to the absolute-value
PV
*6
lower-limit alarm (9).
*7
*8
This alarm type turns ON
the alarm when the set
SP
point (SP) is higher than the
alarm value (X).
This alarm type turns ON
the alarm when the set
PV
point (SP) is smaller than
the alarm value (X).
This alarm type turns ON
the alarm when the
manipulated variable (MV)
MV
is higher than the alarm
value (X).
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