YOKOGAWA UT55A User Manual

8-9
IM 05P01C31-01EN
Control Functions
n
Single-loopTwo-positionTwo-levelControlFunctionBlockDiagram
Target setpoints 1 to 8
Sub-target setpoints
COM
Analog input
*1
Manual operation
Input error preset output
Preset output
AUTO (ON)/MAN (OFF) switch
STOP (ON)/RUN (OFF) switch
LOCALREMOTE
AUTO
When sensor burnout occurs When sensor burnout occurs
Normal
MAN
RUNSTOP
SP ramp rate
SP limiter
PV input Remote input
DI16PV RSP
Input type
Input unit
Input range/scale
Analog input bias
Square root extraction
Analog input filter
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
Contact inputs
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
CNT ALG
SUB
UPR, DNR TMU
SPNO SP
R/L
RMS
SPH, SPL
RFL
A.SR A.LC
UNIT
IN
RH, RL SDP SH, SL
A.BS
A.FL
A.SR A.LC
UNIT
IN
RH, RL SDP SH, SL
EPO
PO
S/R
Manual operation
Equipped as standard
OT
Equipped as standard Equipped as standard
Current or
voltage pulse
Relay
LPS
24 V loop
power supply
Current
OUTOUT RET AL3AL2AL1
For optional suffix code /LP
PMD
OU.H OU.L
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
* After the control output terminal is specified by the parameter OT,
other current output terminals can be used as retransmission output.
Alarm
DI3DI2DI1
A/M
AUTO MAN
A/M
Current or
voltage pulse
OUT2
PMD
OU.H OU.L
An, Bn
Split computation
10-seg. linearizer approx./bias
Relay
OUT2
DI1 to DI3 are equipped as standard.
DI16 is equipped when
UT55A suffix code: Type 2 = 1, 2, 4, 5, or 7;
UT52A suffix code: Type 2 = 1 or 2.
Remote input can be used when
UT55A suffix code: Type 2 = 1, 2, 4, 5, or 7;
UT52A suffix code: Type 2 = 1 or 2.
No function
is assigned
to DI3.
REMOTE (ON)/LOCAL (OFF) switch
Normal
Input error preset output
OFF (0%) or ON (100%)
Sub-target setpoint = SP + SUB
OFF (0%) or ON (100%)
EPO
Sub-preset output
STOP
SU.PO
RUN
OUT2 retransmission output
O2RS
Output terminal assignment
Main setting
control output
Sub-setting
control output
0% or 100% output for retransmission output.
100% output for the settings other than 0%.
Main setting control computation
Sub-setting control computation
(Current when retransmission output) (Current when retransmission output)
Terminal Parameter Function
Analog signal Contact signal Front panel key
Legend
Alarm 1
(PV high limit)
Alarm 2
(PV low limit)
Alarm 3
(PV high limit)
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.
PV display SP display
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.
Manual output is prioritized even if
sensor burnout occurs in MAN.
Communication
*1: RS-485, Ethernet, PROFIBUS-DP,
DeviceNet, CC-Link
8
8.1SettingControlMode(CTLM)

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English