Autonics TC4S Podręcznik - Strona 10
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Loop break alarm(LBA)
It checks control loop and outputs alarm by temperature change of the subject. For heating control(cooling control), when
control output MV is 100%(0% for cooling control) and PV is not increased over than LBAdetection band [ LBaB ] during
LBA monitoring time [ LBaT ], or when control output MV is 0%(100% for cooling control) and PV is not decreased below
than LBA detection band [ LBaB ] during LBA monitoring time [ LBaT ], alarm output turns ON.
LBA
Temperature
monitoring time
SV
PV
Control
LBA detection
band
output
MV
100%
0%
Loop break
alarm(LBA)
When control output MV is 0% and PV is not decreased below than LBA detection band [ LBaB ] during LBA monitoring
Start control to ①
time [ LBaT ]
① to ②
The status of changing control output MV (LBA monitoring time is reset.)
When control output MV is 0% and PV is not decreased below than LBA detection band [ LBaB ] during LBA monitoring
② to ③
time [ LBa ] loop break alarm (LBA) turns ON after LBA monitoring time.
③ to ④
Control output MV is 0% and loop break alarm (LBA) turns and maintains ON.
④ to ⑥
The status of changing control output MV (LBA monitoring time is reset.)
When control output MV is 100% and PV is not increased over than LBA detection band [ LBaT ] during LBA monitoring
⑥ to ⑦
time [ LBaT ], loop break alarm (LBA) turns ON after LBA monitoring time.
When control output MV is 100% and PV is increased over than LBA detection band [ LBaB ] during LBA monitoring
⑦ to ⑧
time [ LBaT ] loop break alarm (LBA) turns OFF after LBA monitoring time.
⑧ to ⑨
The status of changing control output MV (LBA monitoring time is reset.)
※ When executing auto-tuning, LBA detection band[ LBaB ] and LBA monitoring time are automatically set based on auto
tuning value. When alarm operation mode [ AL-1 , AL-2 ] is set as loop break alarm(LBA)[ LBa
[ LBaB ] and LBA monitoring time [ LBaT ] parameter is displayed.
SSR drive output function(SSRP function) [ SSrM]
● Realizing high accuracy and cost effective temperature control with both current output (4-20mA) and linear output(cycle
control and phase control)
● SSRP output is selectable one of standard ON/OFF control, cycle control, phase control by utilizing standard SSR drive
voltage output.
● Select one of standard ON/OFF control [ STND ], cycle control[ CYCL ] , phase control[ PHAS ] at SSrM parameter of
setting 2 group. For cycle control, connect zero cross turn-on SSR (random turn-on SSR is also available). For phase
control, connect random turn-on SSR.
Temperature controller
Power
100-240VAC
50/60Hz
※ When selecting phase or cycle control mode, the power supply for load and temperature controller must be the same.
※ In case of selecting PID control type and phase [ PHAS ] / cycle [ CYCL ] control output modes, control cycle [ T ] is not
allowed to set.
※ For AC/DC power model (TC4 - 2R), this parameter is not displayed and it is available only standard control by relay
or SSR.
LBA
LBA
monitoring time
monitoring time
LBA detection
band
LBA
invalid
①
②
③ ④
(TC4 Series)
SSR voltage output
(12VDC)
Economical PID Control
LBA
monitoring time
monitoring time
LBA detection
band
LBA detection
band
LBA
invalid
⑤
⑥
⑦
SSR Module
INPUT
LOAD
LBA
LBA
invalid
Time
⑧
⑨
], LBA detection band
Load
(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-63