Omron E5 C Series, Manual

Page: 102 / 137

E5EC-T/E5AC-T
102
*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 *2
• Case 1 and 2
Always OFF when the upper-limit and lower-limit hysteresis overlaps.
• Case 3: Always OFF
*5.
Set value: 5, Upper- and lower-limit with standby sequence
Always OFF when the upper-limit and lower-limit hysteresis
overlaps.
*6.
Refer to the
E5
@
C-T Digital Temperature Controllers
Programmable Type User's Manual
(Cat. No. H185) for
information on the operation of the standby sequence.
*7.
Refer to the
E5
@
C-T Digital Temperature Controllers
Programmable Type User's Manual
(Cat. No. H185) for
information on the loop burnout alarm (LBA). This setting cannot
be used with a position-proportional model.
*8.
Refer to the
E5
@
C-T Digital Temperature Controllers
Programmable Type User's Manual
(Cat. No. H185) for
information on the PV change rate alarm.
*9.
When heating/cooling control is performed, the MV absolute
upper limit alarm functions only for the heating operation and the
MV absolute lower limit alarm functions only for the cooling
operation.
L H
H<0, L>0
|H| < |L|
SP
Case 1
L H
H>0, L<0
|H| > |L|
SP
Case 2
L H
H<0, L<0
SP
L H
H<0, L>0
|H| ≥ |L|
SP
L H
H>0, L<0
|H| ≤ |L| SP
Case 3 (Always ON)
L H
H<0, L>0
|H| < |L|
SP
Case 1
L H
H>0, L<0
|H| > |L|
SP
Case 2
L H
H<0, L<0
SP
L
L
H
H<0, L>0
|H| ≥ |L|
SP
H
H>0, L<0
|H| ≤ |L|
SP
Case 3 (Always OFF)