Omron E5 C Series, Manual

Page: 8 / 137

E5GC
8
*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
*3.
Set value: 4, Upper- and lower-limit range
*4.
Set value: 5, Upper- and lower-limit with standby sequence
For Upper- and Lower-Limit Alarm Described Above at *2
• In cases 1 and 2 above, the alarm is always OFF if the upper-
and lower-limit hysteresis overlaps.
• In case 3, the alarm is always OFF.
*5.
Set value: 5, Upper- and lower-limit alarm with standby sequence
The alarm is always OFF if upper- and lower-limit hysteresis
overlaps.
*6.
Refer to the
E5
@
C Digital Temperature Controllers User’s Manual
(Cat. No. H174) for information on the operation of the standby
sequence.
*7.
Refer to the
E5
@
C Digital Temperature Controllers User’s Manual
(Cat. No. H174) for information on the LBA.
*8.
Refer to the
E5
@
C Digital Temperature Controllers User’s Manual
(Cat. No. H174) for information on the PV change rate alarm.
*9.
When heating/cooling control is performed, the MV absolute-
value upper-limit alarm functions only for the heating operation
and the MV absolute-value lower-limit alarm functions only for the
cooling operation.
L H SP L H SP
L H SP
L H SP
L H SP
Case 1
Case 2 Case 3 (Always OFF)
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|
L H SP L H SP
L H SP
L
L
H SP
H SP
Case 1
Case 2
Case 3 (Always ON)
H<0, L<0
H<0, L>0
|H|
≥
|L|
H>0, L<0
|H|
≤
|L|
H<0, L>0
|H| < |L|
H>0, L<0
|H| > |L|