PositionProportionalLoopControlwithPVSwitchingFunctionBlockDiagram
Target setpoints 1 to 8
COM
Aux. input
LOCALREMOTE
SP ramp rate
SP limiter
DI16PV
Input type
Input unit
Input range/scale
Analog input bias
Square root extraction
Analog input filter
10-seg. linearizer approx./bias
Remote input filter
PV input bias
PV input filter
Ratio bias computation
PV switching
A.BS
A.FL
BS
FL
PMD An, Bn
10-seg. linearizer approx./bias
PMD An, Bn
10-seg. linearizer approx./bias
PMD An, Bn
PV.2C PV.HL PV.LL
P.UNI P.DP P.RH, P.RL
CNT ALG
UPR, DNR TMU
SPNO SP
R/L
RMS
SPH, SPL
RFL
A.SR A.LC
UNIT
IN
RH, RL
SDP
SH, SL
RSP
Input type
Input unit
Input range/scale
Analog input bias
Square root extraction
Analog input filter
A.BS
A.FL
A.SR A.LC
UNIT
IN
RH, RL
SDP
SH, SL
PMD An, Bn
AIN2
A.BS
A.FL
A.SR A.LC
UNIT
IN
RH, RL
SDP
SH, SL
DI3DI1 DI2
Control computation
RSP terminal input (ON)/PV terminal input (OFF) switch
Manual operation
Input error preset output
Preset output
AUTO
When sensor burnout occurs
Normal
MAN
RUNSTOP
Output limiter
EPO
OH, OL
PO
S/R
Signal comparison
Feedback input
Direct/reverse signal
Valve position sliding
resistor or current
Motor-operated valve
Relay output
VALV
FBIN
M
Current
LPS
24 V loop
power supply
Current
OUT RET AL3AL2AL1
PMD
OU.H OU.L
HYS
DB An, Bn
Split computation
10-seg. linearizer approx./bias
RET.H RET.L
PMD An, Bn
Split computation
10-seg. linearizer approx./bias
OUT retransmission output
O1RS
RET retransmission output
RTS
Alarm
A/M
No function
is assigned
to DI3.
PV input 1 PV input 2
Aux. analog (remote) input (E1-terminal area)
Contact inputs
Equipped as standard
AUTO (ON)/MAN (OFF) switch
STOP (ON)/RUN (OFF) switch
Equipped as standard Equipped as standard Equipped as standard
In Estimating-type position proportional control, the limiter function
does not work on output operation.
The reverse-signal relay turns on when being limited by low limit.
The direct-signal relay turns on when being limited by high limit.
In Manual operation, the relay turns on while the
or key is pressed. Output limiter does not work.
H relay
( key)
L relay
( key)
Alarm 1
(PV high limit)
Alarm 2
(PV low limit)
Alarm 3
(PV high limit)
Terminal Parameter Function
Analog signal Contact signal Front panel key
Legend
For the model with optional suffix code /DR:
Remote input with direct input (E1-terminal area)
can be used when
UT55A suffix code: Type 2 = 1, 2, 4, 5, or 7 and
with optional suffix code /DR;
UT52A suffix code: Type 2 = 1 or 2 and
with optional suffix code /DR.
However, DI16 is to be deleted.
PV display
SP display
Input ladder calculation program (signal goes to the control computation as is when without ladder program). For ladder program, see the LL50A Parameter Setting Software User’s Manual.
Output ladder calculation program (signal goes to the output as is when without ladder program). For ladder program, see the LL50A Parameter Setting Software User’s Manual.
Aux. analog (remote) input
10-seg. linearizer approx./bias
Input type
Input unit
Input range/scale
Analog input bias
Square root extraction
Analog input filter
Position Proportional Computation Output cannot be calculated by ladder program.
*1: RS-485, Ethernet, PROFIBUS-DP,
DeviceNet, CC-Link
Universal input (E1-terminal area) can be used
when UT55A/UT52A optional suffix code /U1.
However, DI16 does not exist.
(For Standard model)
UT55A suffix code: Type 2 = 1, 2, 4, 5, or 7;
UT52A suffix code: Type 2 = 1 or 2 is
necessary.
(For Detailed model)
UT55A/UT52A optional suffix code /R1 or
/RCH1 is necessary.
(For Standard model)
Remote input can be used when
UT55A suffix code: Type 2 = 7.
(For Detailed model)
Remote input can be used when
UT55A optional suffix code /A2.
(For Standard model)
DI16 is equipped when UT55A suffix
code: Type 2 = 1, 2, 4, 5, or 7; UT52A
suffix code: Type 2 = 1 or 2.
(For Detailed model)
DI16 is equipped when UT55A/UT52A
optional suffix code /R1 or /RCH1.
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