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Alarm
This unit has output for control and sub(alarm) output. Sub output is optional. (This alarm output is relay contact(1a) and
operates regardless of output for control.) Alarm output operates when the temperature of target is getting higher or lower
than setting value.
Select one among 6 alarm operations [ AL-1/2/3/4/5/6] of event 1, 2[ EU-1, EU-2 ] at parameter 2 group and set alarm
temperature (deviation or absolute temperature) in AL1, AL2 alarm temperature[ AL1, AL2 ] at parameter 1 group.
● Since EU-1 and EU-2 operate separately, both EU-1 and EU-2 can be used as a high or low 2nd alarm operation.
● When selecting LBA or SBA function in EU-1, EU-2 of parameter 2 group, alarm cannot be operated.
Alarm operation
Mode
Name
-
AL-0
Deviation
high-limit
AL-1
alarm
Deviation
low-limit
AL-2
alarm
Deviation
high/low-limit
AL-3
alarm
Deviation
high/low-limit
AL-4
reserve alarm
Absolute
AL-5
value high
limit alarm
Absolute
value low
AL-6
limit alarm
Sensor break Alarm -
SBa
Loop break Alarm
LBa
※ H: Alarm output hysteresis [ AHYS ]
Alarm option
Mode
Name
Standard alarm
AL-A
Alarm latch
AL-B
Standby sequence
AL-C
Alarm latch and
AL-D
standby sequence
Dual PID Auto Tuning Control
Alarm operation
-
OFF
H
ON
SV
PV
100℃
110℃
High deviation: Set as 10℃
High deviation: Set as -10℃
ON
H
OFF
PV
SV
90℃
100℃
Lower deviation: Set as 10℃ Lower deviation: Set as -10℃
ON
H
OFF
PV
SV
90℃
100℃
Lower deviation: Set as 10℃, High deviation: Set as 20℃
OFF
H
ON
PV
SV
90℃
100℃
Lower deviation: Set as 10℃, High deviation: Set as 20℃
OFF
H
ON
PV
SV
90℃
100℃
Absolute-value Alarm:
Set as 90℃
ON
H
OFF
PV
SV
90℃
100℃
Absolute-value Alarm:
Set as 90℃
-
Description
If it is an alarm condition, alarm output is ON. If it is a clear alarm condition, alarm output is OFF.
If it is an alarm condition, alarm output is ON and maintains ON status.
First alarm condition is ignored and from second alarm condition, standard alarm operates.
When power is supplied and it is an alarm condition, this first alarm condition is ignored and from the
second alarm condition, standard alarm operates.
If it is an alarm condition, it operates both alarm latch and standby sequence. When power is supplied
and it is an alarm condition, this first alarm condition is ignored and from the second alarm condition,
alarm latch operates.
Description
No alarm output
OFF
H
ON
If deviation between PV and SV as high-
limit is higher than set value of deviation
PV
SV
temperature, the alarm output will be ON.
90℃
100℃
ON
H
OFF
If deviation between PV and SV as low-
limit is higher than set value of deviation
SV
PV
temperature, the alarm output will be ON.
100℃
110℃
H
ON
If deviation between PV and SV as
high/low-limit is higher than set value of
PV
deviation temperature, the alarm output
120℃
will be ON.
H
OFF
If deviation between PV and SV as
high/low-limit is higher than set value of
PV
deviation temperature, the alarm output
120℃
will be OFF.
OFF
H
ON
If PV is higher than the absolute value,
SV
PV
the output will be ON.
100℃
110℃
Absolute-value Alarm:
Set as 110℃
ON
H
OFF
If PV is lower than the absolute value,
SV
PV
the output will be ON.
100℃
110℃
Absolute-value Alarm:
Set as 110℃
It will be ON when it detects sensor
disconnection.
It will be ON when it detects loop break.
(A)
Photo
electric
sensor
(B)
Fiber
optic
sensor
(C)
Door/Area
sensor
(D)
Proximity
sensor
(E)
Pressure
sensor
(F)
Rotary
encoder
(G)
Connector/
Socket
(H)
Temp.
controller
(I)
SSR/
Power
controller
(J)
Counter
(K)
Timer
(L)
Panel
meter
(M)
Tacho/
Speed/ Pulse
meter
(N)
Display
unit
(O)
Sensor
controller
(P)
Switching
mode power
supply
(Q)
Stepper
motor&
Driver&Controller
(R)
Graphic/
Logic
panel
(S)
Field
network
device
(T)
Software
(U)
Other
H-81