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General
Specifications
UT55A/UT52A
Digital Indicating Controllers
GS 05P01C31-01EN
[Style: S5]
nOverview
The UT55A/UT52A digital indicating controllers employ
an easy-to-read, 14-segment large color LCD display,
along with navigation keys, thus greatly increasing
the monitoring and operating capabilities. A ladder
sequence function is included as standard. The short
depth of the controller helps save instrument panel
space. The UT55A/UT52A also support open networks
such as Ethernet communication.
nFeatures
•A 14-segment, active (PV display color changing
function) color LCD display is employed.
Two five-digit, high-resolution displays are possible.
Alphabet letters can be displayed in an easy-to-read
manner. The guide display shows parameter names.
•Easy to operate
Navigation keys (SET/ENTER and Up/Down/Left/
Right arrow keys) are employed to facilitate making
settings.
•65 mm depth
The small depth enables the mounting in a thin and
small instrumented panel.
•Ladder sequence function is included as standard.
This function allows for creating a simple sequence
control. Dedicated LL50A Parameter Setting Software
(sold separatly) allows for performing programming
using a ladder language.
•Various built-in open network functions such as Ethernet are available.
Easy connection with various vendors’ PLCs is possible.
•Quick setting function
Setting only the minimum necessary parameters for
operation is possible. (For single-loop control only)
•Equipped with a multitude of functions
Universal I/O and eight control modes (cascade
control, etc) are included as standard. PID control,
heating/cooling control, feed forward control, etc. are
available.
nFunctional Specifications
UT52A
Table of Number of Inputs and Outputs
Model and
suffix code
(See the
model code)
Number
of analog
input
points
Number
of analog
output
points (*1)
Number
of contact
input
points (*2)
Number of
contact
output
points (*3)
-×0×
-×1×
-×2×
-×3×
-×4×
-×5×
-×6×
-×7×
1
2
2
1
2
2
1
4
1
1
1
1
1
1
1
1
3
9 (8)
4 (3)
8
4 (3)
9 (8)
8
6 (5)
3
8
3
8
3
8
18
3
-×0×
-×1×
-×2×
-×3×
1
2
2
1
1
1
1
1
3
3
4 (3)
5
3
3
3
5
UT55A
UT52A
*1:
*2:
*3:
Excluding control output
The numbers in parentheses show the numbers of
points with RSP direct input option (/DR).
Excluding control output relays
(1) Combination of types of control and control modes
(1) Control Mode
Control functions of the controller can be set as control
modes.
*4:
UT55A
nControl Computation Function
Control Specifications
Control mode
1
2
3
4
5
6
7
8
Function
Single-loop control
Cascade primary-loop control (*4)
Cascade secondary-loop control (*4)
Cascade control (*4)
Loop control for backup (*4)
Loop control with PV switching (*4)
Loop control with PV auto-selector (*4)
Control with PV-hold function
Remote auxiliary analog input is required.
2) Control period
Selectable from 50 ms (*7), 100 ms, and 200 ms
Types of control
PID control
ON/OFF control (*5)
Two-position, two-level
control (*6)
Heating and cooling
control (*6)
Sample PI control
Batch PID control
Feedforward control
√:
*5:
*6:
*7:
1
√
√
Control mode
2 3 4 5 6
√*5 √ √ √ √
7
√
8
√
N/A
N/A
N/A
N/A
N/A
N/A
N/A
√
N/A
N/A
N/A
N/A
N/A
N/A
N/A
√
N/A
√
√
√
√
√
√
√
√
√
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
√
√
√
√
√
√
√
N/A
N/A
Available
N/A:
Not Available
Not selectable for Position proportional type
Selectable for heating and cooling control
Cascade control (Control mode 4) cannot be used.
“Super” function or “Super 2” function cannot be used.
Yokogawa Electric Corporation
2-9-32, Nakacho, Musashino-shi, Tokyo, 180-8750 Japan
Tel.: 81-422-52-7179 Fax.: 81-422-52-6619
GS 05P01C31-01EN
1st Edition Jan. 16, 2009 (KP)
6th Edition Mar. 11, 2011 (KP)
<<Contents>> <<Index>>
(2) Control Computation Function
(a) Target setting point and the number of PID parameter groups
Respectively, eight sets of target setpoints, alarm setpoints, and PID parameters can be set. For cascade
control, respectively, eight sets can be set for main
(primary side) and slave (secondary side).
(b) Selecting the PID parameter group
The following PID parameter groups can be selected.
•Target setpoint number (SPNO) (The PID number
can be set arbitrarily.)
•Measured input zone PID
•Target setpoint zone PID
•Reached target setpoint zone PID
(c) Auto-tuning
•Tuning results can be selected from two options,
Normal or Stable.
•Tuning output limit can be set. (It cannot be used in
heating/cooling control.)
(d) “Super” function: Overshoot-suppressing function
(e) “Super 2” function: Hunting-suppressing function
(f) STOP preset output function
(g) Input ERROR preset output function
(h) MANUAL preset output function
(3) Operation Mode Switching
Operation mode
switching
AUTO/MANUAL and RUN/STOP switching
CASCADE/AUTO/MANUAL switching
REMOTE/LOCAL switching
Other alarms
Heater disconnection alarm (for /HA option)
Self-diagnosis alarm
FAIL
•Alarm Functions
Alarm output
action
Number of alarm
settings
Number of alarm
output points
Tight shut
function
Rate-of-change
limiter of output
Output
deadband
-5.0 to 105.0% (however, 0 mA or less cannot
be output)
-5.0 to 105.0%
Low limit setpoint < high limit setpoint
When manual control is carried out with 4 to
20 mA output, control output can be reduced to
about 0 mA.
0.1 to 100.0%/sec., OFF
For heating and cooling control: -100.0 to 50.0%
For position proportional control: 1.0 to 10.0%
(5) Ladder computation period
Ladder computation period is the same as control period.
Alarm Functions
•Types of Alarm
Measured value
alarm
Deviation alarm
Rate-of-change
alarm
Setpoint alarm
Output alarm
PV (measured value) high/low limit alarm
Deviation high/low limit alarm
Deviation high and low limits alarm
Deviation within high and low limits alarm
Analog input PV high/low limit alarm
Analog input RSP (ROMOTE) SP high/low limit alarm
Auxiliary analog input high/low limit alarm
Feedback input high/low limit alarm
PV rate-of-change alarm
SP (setpoint) high/low limit alarm
Target SP high/low limit alarm
Target SP deviation high/low limit alarm
Target SP deviation high and low limits alarm
Target SP deviation within high and low limits alarm
Control output high/low limit alarm
Cooling control output high/low limit alarm
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
Up to 18 (differs by model code)
This function allows for allocating the input error
condition, operation condition, alarm condition or other
conditions to the contact input and contact output.
Contact input
0.1 to 999.9%
1 to 6000 sec. or OFF (using manual reset)
1 to 6000 sec. or OFF
0.0 to 100.0% of measured input range width
8 (per loop)
Contact I/O Function
(4) Control Parameter Setting Range
Proportional band
Integral time
Derivative time
ON/OFF control
hysteresis (one or two
hysteresis points)
Preset output
value
High/low output
limiter
Alarm stand-by action
Alarm latch (forced reset) function
Alarm hysteresis
Alarm ON/OFF delay timer
Contact output
AUTO/MANUAL switching
REMOTE/LOCAL switching
STOP/START switching
Switching to CASCADE
Switching to AUTO
Switching to MANUAL
Switching to REMOTE
Switching to LOCAL
AUTO-TUNING START/STOP switching
OUTPUT TRACKING switching
Two-input switching
PV Hold
LCD backlight ON/OFF switching
Message interrupt displays 1 through 4
SP number specification
PID number specification
Manual preset output number specification
Loop 1 alarms 1 through 8
Loop 2 alarms 1 through 8 (for cascade control)
Status output
Ladder Sequence Function
(1) Number of I/O Points
Number of digital input points
Number of digital output points
UT55A
Up to 9
Up to 18
UT52A
Up to 5
Up to 5
This is limited by the number of contact I/O signal
points. (See the model code.)
(2) Types of Command
Number of basic
command types
Number of
commands
13
Number of application command types
73
Remark
Load, AND, OR, Timer,
Counter, etc.
Comparison, reverse, addition/
subtraction/multiplication/
division, logic operation, high/
low limiter, etc.
(3) Sequence Device
Digital I/O
Internal device
Special device
Types of device
Input relay
Output relay
M relay (bit data)
DAT register (data)
P register (parameter)
K register (constant)
Special relay (bit data)
Number of points
9 (max)
18 (max)
256
28
10
30
12
Process data and process relay can be used besides
the above-mentioned.
GS 05P01C31-01EN
Mar. 11, 2011-00
<<Contents>> <<Index>>
(4) Program capacity
Max. Program capacity: 500 steps *
*:
Available number of steps differs according to the
parameters, using command and control period.
Communication Function
Function
Modbus/TCP
Modbus
(RTU/ASCII)
A standard industry protocol
allowing communications
between the controller and
devices such as PCs, PLCs,
and DCSs.
PROFIBUSDP
Used for communication
between PLCs and
remote I/O, enabling highspeed data transmission.
CC-Link
DeviceNet
Method
Interface
Targets
Max connection
Server
Ethernet
2 connections
Gateway
Ethernet
+RS-485
Slave
RS-485
PLC and others
RS-485: UT55A/
UT52A/UT35A/UT32A/
UP55A/UP35A/UM33A
(*1)
PLC and others,
UT55A/UT52A/UT35A/
UT32A/UP55A/UP35A/
UM33A(*2)
Slave
RS-485
PLC and others
Modbus master
function
RS-485
UT55A/UT52A/UT35A/
UT32A/UP55A/UP35A
Slave
RS-485
PLC and others
Modbus master
function
RS-485
UT55A/UT52A/UT35A/
UT32A/UP55A/UP35A
Slave
RS-485
PLC and others
Modbus master
function
RS-485
UT55A/UT52A/UT35A/
UT32A/UP55A/UP35A
Communication
Data
31 units
31 units
Number of nodes:
126
31 Units
(Main Controller
is included.)
Number of nodes:
42 (Remote device)
31 Units
(Main Controller
is included.)
PV, SP, OUT,
Number of nodes:
ALM etc
64
31 Units
(Main Controller
is included.)
A protocol allowing multiple
Read/Write: 4
controllers to send and
RS-485 UT55A/UT52A/UT35A/
units
Peer to peer
receive data between
Multi-drop
(2 wire
UT32A/UP55A/UP35A
Read only : 28
one another. The Ladder
only)
units
Program is used.
A
protocol
to
coordinate
the
Coordinated
UT55A/UT52A/UT35A/
of two or more
Master : 1 unit
Communica- operation
Master/Slave
RS-485 UT32A/UP55A/UP35A
instruments controlling the
Slave : 31 units
(*2)
tion
same process.
The proprietary Yokogawa
protocol allowing
PC and others,
PC link
communications to PCs,
UT55A/UT52A/UT35A/
Slave
RS-485
31units
PLCs and touch panels.
UT32A/UP55A/UP35A/
UM33A(*2)
A
protocol
to
communicate
Ladder
to PLCs.
*1: UT digital indicating controller, Signal conditioner JUXTA, Power monitor POWERCERT can be connected.
*2: UT digital indication controllers can be connected.
Physical interface
Ethernet
Standard : IEEE802.3 (10BASE-T, 100BASE-TX)
Max segment length : 100m
Max. Connecting Configguration : Cascade Max. 4 level (10BASE-T), Max. 2 level (100BASE-TX)
RS-485
Standard : EIA RS-485
Communication method : Two-wire harf-duplex or four-wire harf-duplex, start-stop synchoronization
and non-procedural
Baud rate : 600, 1200, 2400, 4800, 9600, 19200 or 38400bps (*3) Peer to peer communication is only 19200bps
Maximum communication distance : 1200m
Terminating resistor : 220Ω (External)
*3:
38400bps for UT55A model code : Type 3 = 1 and UT52A model code Type 2 = 1only.
*4:
AUTO automatically sets the baud rate to that of the host controller (PROFIBUS-DP master).
PROFIBUS-DP Standard : Field bus (IEC61158)
Corresponding version : DP V0
Baud rate : 9.6k, 19.2k, 45.45k, 93.75k, 187.5k, 0.5M, 1.5M, 3M, 6M, 12M, AUTO (*4)
Communication distance :1200m (9.6k to 93.75k)
1000m (187.5k)
400m (0.5M)
200m (1.5M)
100m (3M to 12M)
CC-LinkSupported on version : Remote device (Ver.1.10, Ver.2.00)
Baud rate : 156k, 625k, 2.5M, 5M, 10M bps
Transmission distance : 1.2km (156k bps), 600m (625k bps), 200m (2.5M bps), 150m (5M bps),
100m (10M bps)
When used optical repeater : 7.6 km (156k) to 4.3 km (10M)
DeviceNet
Field bus (IEC61158)
Baud rate: 125k, 250k, 500k bps
Transmission distance: 500m (125k bps), 250m (250k bps), 100m (500k bps)
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
GS 05P01C31-01EN
Mar. 11, 2011-00
<<Contents>> <<Index>>
nHardware Specifications
Display Specifications
•PV display
5-digit, 14-segment active color LCD (white/red)
Character height: 21.5 mm for UT55A and 13.0 mm
for UT52A
•Data display
5-digit, 11-segment color LCD (orange)
•Bar graph display
12-segment color LCD (orange and white)
Universal Input Specifications
•Number of input points: 1
•Types of input, instrument range, and measurement
accuracy (see the table below)
Types of input
K
J
Thermocouple
T
0.0 to 400.0°C
-200.0 to 750.0°F
B
0.0 to 1800.0°C
32 to 3300°F
S
R
0.0 to 1700.0°C
0.0 to 1700.0°C
32 to 3100°F
32 to 3100°F
N
-200.0 to 1300.0°C
-300.0 to 2400.0°F
E
L
-270.0 to 1000.0°C
-200.0 to 900.0°C
-200.0 to 400.0°C
-450.0 to 1800.0°F
-300.0 to 1600.0°F
-300.0 to 750.0°F
0.0 to 400.0°C
-200.0 to 1000.0°F
0.0 to 2300.0°C
32 to 4200°F
U
W (*2)
Resistance-temperature
detector (RTD) 3-wire
Instrument range
°C
°F
-270.0 to 1370.0°C -450.0 to 2500.0°F
-270.0 to 1000.0°C -450.0 to 2300.0°F
-200.0 to 500.0°C
-200.0 to 1000.0°F
-200.0 to 1200.0°C -300.0 to 2300.0°F
-270.0 to 400.0°C
-450.0 to 750.0°F
Platinel
0.0 to 1390.0°C
2
32.0 to 2500.0°F
PR20-40 0.0 to 1900.0°C
32 to 3400°F
W97
Re3-W75 0.0 to 2000.0°C
Re25
32 to 3600°F
JPt100
-200.0 to 500.0°C
-150.00 to 150.00°C -200.0 to 300.0°F
-200.0 to 850.0°C
-200.0 to 500.0°C
Pt100
Standard
signal
DC voltage
DC current
-300.0 to 1000.0°F
-300.0 to 1560.0°F
-300.0 to 1000.0°F
-150.00 to 150.00°C -200.0 to 300.0°F
0.400 to 2.0000 V
1.000 to 5.000 V
4.00 to 20.00 mA
0.000 to 2.000 V
0.00 to 10.00 V
-10.00 to 20.00 mV
0.00 to 20.00 mA
-
Accuracy
±0.1% of instrument
range ±1 digit for 0°C
or more
±0.2% of instrument
range ±1 digit for less
than 0°C
However, ±2% of
instrument range
±1 digit for less than
-200°C of thermocouple
K ±1% of instrument
range ±1 digit for less
than -200°C of thermocouple T
±0.15% of instrument
range ±1 digit for 400°C
or more
±5% of instrument
range ±1 digit for less
than 400°C
±0.15% of instrument
range ±1 digit
±0.1% of instrument
range ±1 digit
±0.25% of instrument
range ±1 digit for less
than 0°C
±0.1% of instrument
range ±1 digit for 0°C
or more
±0.2% of instrument
range ±1 digit for less
than 0°C
However, ±1.5% of
instrument range ±1 digit
for less than -200.0°C of
thermocouple E
±0.2% of instrument
range ±1 digit
±0.1% of instrument
range ±1 digit
±0.5% of instrument
range ±1 digit for 800°C
or more
Accuracy not guaranteed for less than 800°C
±0.2% of instrument
range ±1 digit
±0.1% of instrument
range ±1 digit (*1)
±0.1% of instrument
range ±1 digit
±0.1% of instrument
range ±1 digit (*1)
±0.1% of instrument
range ±1 digit
The accuracy is that in the standard operating conditions: 23 ±2°C, 55 ±10%RH, and power frequency at
50/60 Hz.
*1:
*2:
±0.3°C and ±1 digit in the range between 0 and 100°C
±0.5°C ±1 digit in the range between -100 and 200°C
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•Applicable standards: JIS, IEC and DIN (ITS-90) for thermocouples and resistance-temperature detectors (RTD)
•Input sampling period: Synchronized to control period
•Burnout detection
Upscale and downscale of function, and OFF can
be specified for the standard signal of thermocouple and resistance-temperature detector (RTD).
For integrated signal input, 0.1 V or 0.4 mA or less
is judged as a burnout.
•Input bias current: 0.05 μA (for thermocouple and
resistance-temperature detector (RTD))
•Resistance-temperature detector (RTD) measured
current: About 0.16 mA
•Input resistance
1 MΩ or more for thermocouple/mV input
About 1 MΩ for voltage input
About 250 Ω for current input (with built-in shunt
resistance)
•Allowable signal source resistance
250 Ω or less for thermocouple/mV input
Effect of signal source resistance: 0.1 μV/Ω or less
2 kΩ or less for DC voltage input
Effect of signal source resistance: about
0.01%/100 Ω
•Allowable wiring resistance
Up to 150 Ω per line for resistance-temperature
detector (RTD) input (conductor resistance
between the three lines shall be equal)
Effect of wiring resistance: ±0.1°C/10 Ω
•Allowable input voltage/current
±10 V DC for thermocouple/mV/mA or resistance temperature detector (RTD) input
±20 V DC for V input
±40 mA DC for mA input
•Noise reduction ratio
40 dB or more (at 50/60 Hz) in normal mode
120 dB or more (at 50/60 Hz) in common mode
•Reference junction compensation error
±1.0°C (15 to 35°C)
±1.5°C (-10 to 5°C and 35 to 50°C)
Auxiliary Analog Input Specifications
•This function can be used for remote setpoint setting,
external compensating input, auxiliary input for computation, etc.
•Number of input points: see the model code table.
•For types of input, instrument range, and measurement accuracy, see the table below.
Types of input
Integrated signal
DC voltage
DC voltage with High input
impedance
±0.1% of instrument
range ±1 digit
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
Instrument range
0.400 to 2.000 V
1.000 to 5.000 V
0.000 to 2.000 V
0.00 to 10.00 V
0.000 to 1.250 V
Accuracy
±0.2% of instrument range
±1 digit
±0.1% of instrument range
±1 digit
±0.2% of instrument range
±1 digit
±0.1% of instrument range
±1 digit
±0.1% of instrument range
±1 digit
•Input sampling period: Synchronized to control period
•Input resistance: about 1 MΩ
However, 10 MΩ or more for high input impedance
•Burnout detection: Functions at standard signal
Burnout is determined to have occurred if it is
0.1 V or less.
GS 05P01C31-01EN
Mar. 11, 2011-00
<<Contents>> <<Index>>
Remote Input with Direct Input Specifications
(for /DR Option)
(3-wire or 4-wire when RTD is selected)
•Number of input points: 1 point
•Types of input, instrument range, and measurement
accuracy are the same as those of universal input
(standard), except for the table below.
Types of input
JPt100
4-wire
RTD
*:
Pt100
Instrument range
°C
°F
-200.0 to 500.0°C
-300.0 to 1000.0°F
-150.00 to 150.00°C -200.0 to 300.0°F
-200.0 to 850.0°C
-300.0 to 1560.0°F
-200.0 to 500.0°C
-150.00 to 150.00°C
-300.0 to 1000.0°F
-200.0 to 300.0°F
Accuracy
±0.5°C ±1 digit
±0.2°C ±1 digit
±0.1% of instrument range ±1
digit (*)
±0.5°C ±1 digit
±0.2°C ±1 digit
±0.5 °C ±1 digit in the range of -200.0 to 500.0 °C
•Input sampling period: Synchronized to control period
•Burnout detection: Same as universal input
Analog Output Specifications
•Number of points
Control output (heating-side output): 1 point
(standard), which is shared with transmission
output
Cooling-side output: 1 point, which is
shared with transmission output
•Output functions
Current output or voltage pulse output
•Current output
4 to 20 mA DC or 0 to 20 mA DC/load resistance
600 Ω or less
•Current output accuracy
±0.1% of span (however, ±5% of span for 1 mA
or less)
The accuracy is that in the standard operating
conditions: 23 ±2°C, 55 ±10%RH, and power
frequency at 50/60 Hz
•Voltage pulse output
Application: time proportional output
ON voltage: 12 V or more/load resistance of 600 Ω or more
OFF voltage: 0.1 V DC or less
Time resolution: 10 ms or 0.1% of output value,
whichever is larger
Relay Contact Output Specifications
•Types of contact and number of points
Control relay output: one 1c-contact point
Cooling output of heating and cooling control:
one 1c-contact point (For UT55A only)
For UT52A heating/cooling output:
2 1a-contact points
Alarm output: 3 1a-contact points (Common is separated)
•Contact rating
1c-contact: 3 A at 250 V AC or 3 A at 30 V DC
(resistance load)
1a-contact:
For alarm output: 1 A at 240 V AC or 1 A at
30 V DC (resistance load)
For UT52A control relay output: 3 A at
240 V AC or 3 A at 30 V DC (resistance load)
*:
This cannot be used for a small load of 10 mA or less.
•Application: time proportional output, alarm output,
FAIL output, etc.
•Time resolution for control output: 10 ms or 0.1% of
output value, whichever is larger
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
Step Response Time Specifications
Within 500 ms (for a control period of 50 ms or 100 ms)
Within 1 s (for a control period of 200 ms)
(Response time at 63% of transmission output when a
change is made stepwise in the range between 10 and
90% of input span)
Position Proportional Output Specifications
•Position signal input
Slide resistance: 100 Ω to 2.5 kΩ of total resistance 100% side and slide line: with disconnection
detection
0% side: without disconnection detection
Current input: 4 to 20 mA DC (with disconnection
detection)
•Sampling period: 50 ms
•Measurement resolution: 0.1% of input span
•Position proportional relay output
UT55A: Two 1a-contact points , 3 A at 250 V
AC or 3A at 30 V DC (resistance load)
UT52A: Two 1a-contact points , 3 A at 240 V
AC or 3A at 30 V DC (resistance load)
*:
This cannot be used for a small load of 10 mA or less.
Retransmission Output Specifications
•Number of points: 1 point (standard), which is shared
with 15 V DC loop power supply
Additional 2 points when analog control output and
cooling-side analog control output are not used
•Output function: current output
4 to 20 mA DC or 0 to 20 mA DC/load
resistance 600 Ω or less
•Current output accuracy: ±0.1% of span (however,
±5% of span for 1 mA or less)
The accuracy is that in the basic operating
conditions: 23 ±2°C, 55 ±10%RH, and power
frequency at 50/60 Hz
15V DC Loop Power Supply Specifications
•Number of points: 1 point (standard), which is shared
with retransmission output
Control output (1 point) can also be used.
•Supply voltage: 14.5 to 18.0 V DC
•Maximum supply current: about 21 mA (with short-circuit current limiting circuit)
Contact Input Specifications
•Number of points: 3 points (standard)
For the maximum number of points, see the
model and suffix code table.
•Input type: no-voltage contact input or transistor contact input
•Input contact capacity: 12 V DC, 10 mA or more
Be sure to use a contact with a minimum ON
current of 1 mA or more
•ON/OFF detection
For no-voltage contact input:
Contact resistance 1 kΩ or less in ON state
Contact resistance 50 kΩ or more in OFF state
Transistor contact input:
2 V or less in ON state
Leak current 100 μ A or less in OFF state
•Status detection minimum hold time: control period
+ 50 ms
•Application: SP switching, operation mode switching,
event input
GS 05P01C31-01EN
Mar. 11, 2011-00
<<Contents>> <<Index>>
Transistor Contact Output Specifications
•Number of points: see the model and suffix code table
•Output form: open collector (sink current)
•Output contact capacity: Up to 24 V DC, 50 mA
•Output time resolution: min 50 ms
Heater Break Alarm Specifications (for /HA Option)
•Function: Measures the heater current using an
external current transformer (CT) and generates a
heater break alarm when the measured value is less
than the disconnection detection value.
•Number of input points: 2 points
•Number of output points: 2 points (transistor contract
output)
•CT input resistance: about 9.4 Ω
•CT input range: 0.0 to 0.1 Arms (0.12 Arms or more
cannot be applied)
•Heater current alarm setting range: OFF, 0.1 to 300.0 Arms
Heater current measured value display range: 0.0 to
360.0 Arms
*:
The CT ratio can be set. CT ratio setting range: 1 to 3300
•Recommended CT: CT from URD Co. Ltd.
CTL-6-S-H: CT ratio 800, measurable current
range: 0.1 to 80.0 Arms
CTL-12L-30: CT ratio 3000, measurable current
range: 0.1 to 180.0 Arms
•Heater current measurement period: 200 ms
•Heater current measurement accuracy: ±5% of CT
input range span ±1 digit (CT error is not included)
•Heater current detection resolution: Within 1/250 of
CT input range span
•Disconnection detection ON time: Minimum 200 ms.
(for time proportional output)
24 V DC Loop Power Supply Specifications
(for /LP Option)
•Application: Power is supplied to the 2-wire transmitter.
•Supply voltage: 21.6 to 28.0 V DC
•Rated current: 4 to 20 mA DC
•Maximum supply current: About 30 mA (with short-circuit current limiting circuit)
Safety and EMC Standards
•Safety:
Compliant with IEC/EN61010-1 (CE), approved by
CAN/CSA C22.2 No. 61010-1 (CSA), approved by UL61010-1.
Installation category: CAT. II
Pollution degree: 2
Measurement category: I (CAT. I)
Rated measurement input voltage: Max. 10 V DC
Rated transient overvoltage: 1500 V (*)
*:
This is a reference safety standard value for measurement category I of IEC/EN/CSA/UL61010-1. This value is
not necessarily a guarantee of instrument performance.
•EMC standards:
Compliant with
CE marking
EN 61326-1 Class A, Table 2 (For use in industrial
locations),
EN 61326-2-3
EN 55011 Class A, Group 1
EN 61000-3-2 Class A
EN 61000-3-3
C-tick mark
EN 55011 Class A, Group 1
The instrument continues to operate at a measure
ment accuracy of within ±20% of the range during
testing.
•RoHS regulation: Compliant
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
Power Supply Specifications and Isolation
•Power supply
Rated voltage: 100 to 240 V AC (+10%/-15%), 50/60 Hz
24 V AC/DC (+10%/-15%) (When the /DC option is specified)
•Power consumption: UT55A: 18 VA (For the /DC
option. DC: 9 VA, AC: 14 VA)
UT52A: 15 VA (For the /DC
option. DC: 7 VA, AC: 11 VA)
•Storage: Nonvolatile memory
•Allowable power interruption time: 20 ms (at 100 V AC)
•Withstanding voltage
2300 V AC for 1 minute between primary and secondary terminals
1500 V AC for 1 minute between primary terminals
500 V AC for 1 minute between secondary terminals
(Primary terminals = Power (*) and relay output
terminals, Secondary terminals = Analog I/O signal
terminals, contact input terminals, communication
terminals, and functional grounding terminals.)
*:
Power terminals for 24 V AC/DC models are the
secondary terminals.
•Insulation resistance
Between power supply terminals and a grounding terminal: 20 MΩ or more at 500 V DC
•Isolation specifications
PV (universal) input terminal
Remote (universal) input terminals with direct input / Remote input terminals
Aux. analog (AIN2) input terminals
Aux. analog (AIN4) input terminals
Control and transmission (analog) output terminal
(not isolated between the analog output terminals)
Valve position (feedback) input terminal
Control relay (c-contact) output terminal
Alarm-1 relay (a-contact) output terminal
Alarm-2 relay (a-contact) output terminal
Alarm-3 relay (a-contact) output terminal
Internal
circuits
Power
supply
Position proportional relay output terminal
Contact input terminal (All)
RS485 communication terminal (2 ports)
24 V DC loop power supply terminal
Contact output (transistor) terminal
Ethernet/PROFIBUS-DP/CC-Link/DeviceNet
communication terminal
Current transformer input terminal
The circuits divided by lines are insulated mutually.
Environmental Conditions
Normal operating conditions
•Ambient temperature: -10 to 50°C (-10 to 40°C for
side-by-side mounting of controllers)
For the CC-Link option, 0 to 50 ºC (0 to 40 ºC for
side-by-side close mounting)
•Ambient humidity: 20 to 90% RH (no condensation)
•Magnetic field: 400 A/m or less
•Continuous vibration (at 5 to 9 Hz) Half amplitude of
1.5 mm or less
(at 9 to 150 Hz) 4.9 m/s2 or less, 1 oct/min for 90 minutes each in the three axis directions
•Rapid vibration: 14.7 m/s2, 15 s or less
•Impact: 98 m/s2 or less, 11 msec.
•Installation altitude: 2,000 m or less above sea level
•Warm-up time: 30 minutes or more after the power is
turned on
•Start-up time within 10 s
GS 05P01C31-01EN
Mar. 11, 2011-00
<<Contents>> <<Index>>
Transportation and Storage Conditions
For RTD input:
±0.05°C/°C (ambient temperature) or less
For current input:
±0.01% of F.S. (instrument range)/°C
For analog output:
±0.02% of F.S./°C or less
•Effect of power supply fluctuation:
For analog input: ±0.05% of F.S. (instrument range)
or less
For analog output: ±0.05% of F.S. or less
(Each within rated voltage range)
•Temperature: -25 to 70°C
•Temperature change rate: 20°C per hour or less
•Humidity: 5 to 95%RH (no condensation)
Effects of Operating Conditions
•Effect of ambient temperature
For voltage or TC input:
±1 μ V/°C or ±0.01% of F.S. (instrument range)/
°C, whichever is greater
nBlock Diagram
Single Loop Control (For the block diagrams of other control modes, see the user manual)
Standard
Measurement input
For UT55A suffix code:
type 2 = 1, 2, 4, 5, or 7
For UT52A suffix code: type 2 = 1 or 2
Remote input
Communication
For UT55A suffix code:
type 2 = 7
Feedforward input
PV
RSP
RS485
AIN2
Input type
Input type
DI1
DI2
DI3
DI16
Input type
Input unit
Input unit
Input unit
Input range/scale
Input range/scale
Input range/scale
Analog input bias
Analog input bias
Analog input bias
Square root extraction
Square root extraction
Square root extraction
Analog input filter
Analog input filter
Analog input filter
DI1 - DI3 are available as
standard. DI16 is for UT55A
suffix code: type 2 = 1, 2, 4, 5 or 7,
and for UT52A suffix code:
type 2 = 1 or 2 Contact input
No function
is allocated
to DI3.
Line - segment approximation/
Line-segment biasing
Input ladder computation program (signal goes directly to the control computation unit, if there is no ladder program)
Remote input filter
Communication
Analog input
PV input bias
PV input filter
Rate bias computation
REMOTE
Target setpoints 1 - 8
LOCAL
REMOTE (ON)/LOCAL (OFF)
switching
SP limiter
Filter
SP slope function
PV display
Gain, bias
SP display
Control computation unit
Output limiter
Error preset output
Sensor disconnected
Manual preset output
Normal
Manua operation
Output limiter
MANUAL
AUTO
A/M
AUTO (ON)/MANAUL (OFF) switching
Preset output
STOP
RUN
STOP (ON)/RUN (OFF) switching
Output terminal allocation
*When the control output terminal is determined by the parameter OT, the remaining current
output terminals can be used for a transmission output.
OUT terminal
transmission output
Standard
RET terminal
transmission output
Standard
Alarm function
Output ladder computation program (signal goes directly to the output, if there is no ladder program)
With the option code /LP
24V loop
power supply
LPS
With the option code /HA
Heater disconnection
alarm function
Split exreaction
Split exreaction
OUT
OUT
RET
Relay Current or voltage pulse
(Current for transmission
output)
Current
Legend
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
ALI
AL2
AL3
HAL1
HAL2
Heater
Alarm 1 Alarm 2 Alarm 3
(PV high (PV (PV high disconnection
alarm 1
limit) low limit) limit)
Terminal symbol
Function
Analog signal
Contact signal
GS 05P01C31-01EN
Heater
disconnection
alarm 2
Instrument’s
front-panel key
Mar. 11, 2011-00
<<Contents>> <<Index>>
nTerminal Arrangement
Terminal Arrangement for UT55A Single Loop Control (for the terminal arrangements of other control
modes, see the user manual.)
code:
Control output OUT (Suffix
Type1=-0 or -2)
Relay contact output
NC
101
NO
102
COM
103
In Heating/cooling control,
relay contact output is
heating-side output.
Factory default: Control
output is relay.
Factory default: PV input
type is undefined.
Contact rating: 250 V AC, 3 A
30 V DC, 3 A (resistance load)
PV as standard)
TC input
RTD input
Alarm-2 output
( PV low limit)
Common
Alarm-1 output
(PV high limit)
UT
104
105
106
AL2
AL1
Common
L
101
-112
501
-512
401
-412
101
501
401
LOW
(reverse)
508
COM
509
Control output OUT (Suffix code: Type1=-0, -1 or -2)
301
-312
201
-212
301
201
202
303
203
109
104
504
24 V AC/DC power supply
+ 207
E1-terminal area
302
0-20 mA DC,
4-20 mA DC,
Voltage pulse (12 V)
Can be used for retransmission output or 15 V DC loop power supply when
current/voltage pulse output is not used for control output.
Current output range can be changed.
In Position proportional type, can be used for retransmission output or 15 V
DC loop power supply.
304
204
305
205
506
306
206
107
507
407
307
207
108
508
408
308
208
109
509
409
309
209
Factory default: No function
210
STOP when DI2=ON
RUN when DI2=OFF
210 DI2
AUTO when DI1=ON
MAN when DI1=OFF
211 DI1
211
212 COM
212
L
+ 111
111
511
411
311
211
112
112
512
412
312
212
510
110
410
310
Contact input
Relay contact output
510
511
512
511
NC
507
NO
508
COM
509
No-voltage
contact
E2-terminal area
- 512
DI2
DI1
+5V
+5V
COM
Function can be assigned to the terminals with no function.
External contact output (transistor)
UT
HAL1 507
Heater break alarm-1
output
Heater break alarm-2
output
HAL2 508
Common
COM 509
Transistor contact rating: 24 V DC, 50 mA
Default: Undefined
- 512
210
UT +5V
DI3
Heater break alarm HBA
Current/voltage pulse output Retransmission output 15 V DC loop power supply
0-20 mA DC,
4-20 mA DC
209
(Optional suffix code /HA)
OUT2
+ 511
Transistor contact
Contact rating: 12 V DC, 10 mA or more
Factory default: Cooling-side control output is
relay.
Can be used for retransmission output or 15 V
DC loop power supply when current/voltage
pulse output is not used for control output.
Current output range can be changed.
0-20 mA DC,
4-20 mA DC,
Voltage pulse (12V)
UT
209 DI3
Common
Contact rating: 250 V AC, 3 A
30 V DC, 3 A (resistance load)
OUT2
DI (Equipped as standard)
External contact input
Cooling-side control output
Feedback input
+ 510
- 208
505
- 110
Feedback input
+ 207
Default: 4-20 mA DC
(Suffix code: Type 1=-2)
Current (mA)
input
14.5-18.0 V DC
(Max. 21 mA DC)
- 208
105
N
Contact rating: 250 V AC, 3A Resistance: 100 Ω to 2.5 kΩ
30 V DC, 3 A
(resistance load)
+ 207
106
E3-terminal area
0%
0-20 mA DC,
4-20 mA DC
- 208
(24 V AC/DC power supply: Optional suffix code /DC)
100%
- 206
Current/voltage pulse output Retransmission output 15 V DC loop power supply
503
Position proportional control output VALV
507
14.5-18.0 V DC
(Max. 21 mA DC)
Default: Undefined
E4-terminal area
(Suffix code: Type1=-1)
HIGH
(direct)
- 203
502
112
Relay contact output
+ 202
103
111
Allowable range:
100-240 V AC (±10%)
(free voltage)
50/60 Hz shared
- 203
+ 204
102
110
- 206
Load resistance 600 Ω or less
Default: 4-20 mA DC
107
Power supply
N
B 203
108
Relay contact rating: 240 V AC, 1 A
30 V DC, 1 A (resistance load)
100-240 V AC power supply
RET (Equipped as standard)
Current (mA) input Voltage (mV, V) input
(Equipped
Common
4-20 mA DC or
0-20 mA DC
b 202
- 203
External contact output (relay)
AL3
Retransmission output
Retransmission output 15 V DC loop power supply Can be used for 15 V DC loop
power supply when not used for
Default: PV
retransmission output.
retransmission
+ 205
+ 205
A 201
+ 202
Contact output ALM as standard)
Alarm-3 output
(PV high limit)
(Equipped
PV input
+ 511
- 512
Default: 4-20 mA DC
14.5-18.0 V DC
(Max. 21 mA DC)
+ 511
- 512
Heater current detection input
510
CT1
CT2
COM
511
512
When feedback input is current
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
GS 05P01C31-01EN
Mar. 11, 2011-00
<<Contents>> <<Index>>
E4-terminal area E1-terminal area
101
-112
501
-512
401
-412
301
-312
201
-212
101
501
401
301
201
102
502
302
202
103
503
303
203
104
504
304
204
105
505
305
205
106
506
107
507
407
306
206
307
207
108
508
408
308
208
109
509
409
309
209
110
510
410
310
210
111
511
411
311
211
112
512
412
312
212
E1-Terminal Area
301-306
(Suffix code: Type 2=1, 2, 4, 5, or 7
and without optional suffix code /DR)
Universal input
Remote input / Contact input RSP
TC input
External contact input
No-voltage contact
Transistor contact
UT
303 COM
Common
REMOTE when DI16=ON
LOCAL when DI16=OFF
303
304
304 DI16
COM
DI16
+5V
+ 302
(Suffix code: Type 2=1, 3, 5, or 6)
Contact output DO
RSP
External contact output
A 301
Factory default: No function
b 302
Factory default: No function
B 303
- 303
Remote input
4-wire
- 303
+ 302
+ 304
- 303
- 306
Default: 1-5 V DC
UT
DO25 307
DO24 308
Factory default: No function DO23 309
a 305
Factory default: No function DO22 310
Current (mA) input Voltage (mV, V) input
+ 305
E2-Terminal Area
RTD input
UT
Contact rating: 12 V DC, 10 mA or more
Specify within a
range of 1-5 V DC,
0-2 V DC,0-10 V DC
307-312
(Suffix code: Type 2=1, 2, 4, 5, or 7
and with optional suffix code /DR)
Alarm 4 (PV low limit)
DO21 311
Common
COM 312
Transistor contact rating: 24 V DC, 50 mA
E3-terminal area
Function can be assigned
to the terminals with no
function.
(Suffix code: Type 2=7)
E2-terminal area
(Suffix code: Type 2=3)
Contact input
Contact output DO
No-voltage contact
UT
Transistor contact
Common
301 COM
301
Factory default: No function
302 DI11
302
Factory default: No function
303 DI12
303
Factory default: No function
304 DI13
304
Factory default: No function
305 DI14
305
306
306 DI15
Contact rating: 12 V DC, 10 mA or more
401-412
External contact input
No-voltage contact
External contact output (transistor)
External contact input
Factory default: No function
Aux. analog input / Contact input AIN2
(Suffix code: Type 2=6)
DI
UT
COM
DI11
DI12
DI13
DI14
DI15
Factory default: No function DO15 301
+5V
Specify within a
range of 1-5 V DC,
0-2 V DC,0-10 V DC
Factory default: No function DO11 305
+5V
Common
Function can be assigned to the
terminals with no function.
+5V
+ 311
- 312
Default: 1-5 V DC
COM 306
Aux. analog input can be used for
feedforward input in Single-loop control and
Single-loop position proportional control.
Transistor contact rating: 24 V DC, 50 mA
Function can be assigned to the
terminal with no function.
E3-Terminal Area
310
COM
DI26
Function can be assigned
to the terminals with no
function.
Aux. analog input
Factory default: No function DO12 304
+5V
309
Contact rating: 12 V DC, 10 mA or more
Factory default: No function DO13 303
+5V
UT
Transistor contact
310 DI26
Factory default: No function
Factory default: No function DO14 302
+5V
UT
309 COM
Common
UT
E4-Terminal Area
501-506
(Suffix code: Type 3=2, except Type 2= 1 or 6)
DI (Suffix code: Type 2=1)
Contact input
Ethernet communication (with gateway function)
External contact input
No-voltage contact
UT
Transistor contact
407 COM
407
Factory default: No function
408 DI31
408
Factory default: No function
409 DI32
409
Factory default: No function
410 DI33
410
Common
Factory default: No function
411 DI34
411
Factory default: No function
412 DI35
412
Contact rating: 12 V DC, 10 mA or more
COM
DI31
DI32
DI33
DI34
DI35
UT
+5V
+5V
Color
Amber
Lit
100M bps
Lower side LED (link activity)
+5V
+5V
Function can be assigned to the
terminals with no function.
Color
Green
Lit
Linked
Blink
Active
Unlit
Link failure
External contact output
Pin Signal name
Factory default: No function DO32 410
Factory default: No function DO31 411
COM 412
Common
Frame ground
SLD
Shield
3
DG
RX/TX signal ground
4
DB
RX/TX - signal
5
DA
RX/TX + signal
Lit
User profile error/
Address error
L ERR Communication failure
(red) (CRC error)
(Suffix code: Type 3=1, except Type 2= 1 or 6)
RS-485 communication
RS-485
RS485
If the UT is located at
the end of a segment
for the CC-Link
communication wiring,
terminating resistors
are separately needed.
These are to be
prepared by users.
(110 Ω: 1 pc.)
Description
FG
2
CHK
(red)
Function can be assigned to the
terminals with no function.
(Suffix code: Type 3=3,
except Type 2= 1 or 6)
110Ω
1
LED
Transistor contact rating: 24 V DC, 50 mA
CC-L
L RUN
5
Factory default: No function DO33 409
409
RS-485 communication/24 V DC loop power supply
L ERR
4
Factory default: No function DO34 408
SG
DB
3
503
RSA(-) 408
CHK
2
502
SG
(Suffix code: Type 2=1 or 2
and without optional suffix code /LP)
RDA(-) 505
RSB(+) 407
DA
1
UT
SDA(-)
RDB(+) 504
CC-Link communication (with Modbus master)
Contact output DO (Suffix code: Type 2=6)
Factory default: No function DO35 407
RS-485
10M bps
Unlit
RS485
SDB(+) 501
Upper side LED (baud rate)
+5V
RS-485 communication
RS-485
ETHR
10BASE-T/100BASE-TX
RJ45 connector
Unlit
Normal
RS-485
Normal
RSB(+) 407
No carrier
L RUN Normal
detected/
(green) Communicating successfully Connection
timeout
RSA(-) 408
SG
409
RS-485
RS485/LPS24
24 V DC loop power supply
RSB(+) 501
RSA(-)
502
SG
503
21.6-28.0 V DC
(Max. 30 mA DC)
Contact input
(Suffix code: Type 2=1 or 2
and with optional suffix code /LP)
+ 505
- 506
DI (Suffix code: Type 2=5 or 6)
External contact input
No-voltage contact
Common
UT
Transistor contact
501 COM
501
Factory default: No function
502 DI41
Factory default: No function
503 DI42
503
Factory default: No function
504 DI43
504
Factory default: No function
505 DI44
505
502
506
506 DI45
Factory default: No function
Contact rating: 12 V DC, 10 mA or more
SDB(+) 407
409
CAN_H
1
RDB(+) 410
RDA(-)
121Ω
2
CHK
3
411
4
PROFIBUS-DP communication (with Modbus master)
VP
390Ω
Data
CHK line
RDY
2
RxD/TxD-P
220Ω
Data
3
ERR line
4
RxD/TxD-N
390Ω
5
DGND
Pin Signal name
Description
1
VP
+5V bus power
2
RxD/TxD-P
Data signal
(positive data receive/transmit)
3
RxD/TxD-N
Data signal
(negative data recive/transmit)
4
DGND
Signal ground
5
SHIELD
LED
CHK
(red)
Shield ground
Lit
User profile error
RDY Normal
(green) Communicating
successfully
ERR
(red)
Not connected, or
communication
failure (flashing)
Unlit
Normal
No power, or
Communication
failure
Normal
PROF
(Suffix code: Type 3=4,
except Type 2= 1 or 6)
If the UT is located at
the end of a segment
for the PROFIBUS
communication wiring,
terminating resistors
are separately
needed.
These are to be
prepared by users.
(390 Ω: 2 pcs. 220 Ω:
1 pc., or an active
terminator.)
CAN_L
MNS
5
1
DI41
DI42
DI43
DI44
DI45
+5V
+5V
+5V
+5V
+5V
Function can be assigned to the
terminals with no function.
DeviceNet communication (with Modbus master)
SDA(-) 408
SG
UT
COM
Pin Signal name
1
V+
Description
DeviceNet power supply 24V
2
CAN_H
RX/TX + signal
3
DRAIN
Shield/Drain wire
RX/TX - signal
4
CAN_L
5
LED
CHK
(red)
V-
DNET
(Suffix code: Type 3=5,
except Type 2=1 or 6)
If the UP is located at the
end of a segment for the
DeviceNet
communication wiring,
terminating resistors are
separately needed.
These are to be
prepared by users. (121
Ω: 1 pc.)
(Suffix code: Type 2=7)
Aux. analog input/Contact input AIN4
External contact input
No-voltage contact
Common
Factory default: No function
UT
Transistor contact
503 COM
503
504
504 DI46
Contact rating: 12 V DC, 10 mA or more
Aux. analog input
COM
DI46
UT
+5V
Function can be assigned to the
terminals with no function.
DeviceNet power supply common
Unlit
Lit/flashing
User profile error
Normal. Communicating
successfully (green, lit).
Not connected (green, flashing).
MNS Critical link failure (red, lit).
(green/ Communication timeout (red,
red) flashing)
At power-on/Communication
faulted (green/red, flashing)
Normal
Specify within a
range of 1-5 V DC,
0-2 V DC,0-10 V DC
RS-485
RSB(+) 407
No electricity
Default: 1-5 V DC
- 506 Aux. analog input can be used for feedforward input in
Single-loop control and Single-loop position proportional
control.
RSA(-) 408
SG
409
24 V DC loop power supply
LPS24
24 V DC loop power supply
RS-485
RSB(+) 407
+ 505
21.6-28.0 V DC
(Max. 30 mA DC)
+ 505
(Suffix code: Type 2=other than 1, 2, 5, 6, or 7
and with optional suffix code /LP)
- 506
RSA(-) 408
SG
409
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
GS 05P01C31-01EN
Mar. 11, 2011-00
10
<<Contents>> <<Index>>
Terminal Arrangement for UT52A Single Loop Control (for the terminal arrangements of other control
modes, see the user manual.)
code:
Control output OUT (Suffix
Type1=-0 or -2)
Relay contact output
NC
101
NO
102
COM
103
Factory default:
PV input type is
undefined.
Terminal wiring differs in Heating/cooling
control and Position proportional control.
Refer to the terminals of Position
proportional control output and
Heating/cooling control output below.
Factory default: Control output is relay.
PV input
PV (Equipped
as standard)
TC input
RTD input
External contact output (relay)
Common
Alarm-2 output
(PV low limit)
AL3
AL2
Common
Alarm-1 output
(PV high limit)
AL1
Common
104
L
107
301
-312
201
-212
101
301
201
302
202
103
303
203
109
104
304
204
105
305
205
106
306
206
107
307
207
24 V AC/DC power supply
108
308
208
N
109
309
209
110
310
210
111
311
211
112
312
212
- 110
L
+ 111
112
100%
0%
Heating/cooling relay contact output
310
OUT2
Cooling
-side NO
311
OUT
Heating
-side NO
312
COM
OUT2
101
102
103
+ 311
0-20 mA DC,
4-20 mA DC,
Voltage pulse (12 V)
- 312
No-voltage
contact
UT
209 DI3
Transistor contact
209
STOP when DI2=ON
RUN when DI2=OFF
210 DI2
210
AUTO when DI1=ON
MAN when DI1=OFF
211 DI1
211
212 COM
212
UT +5V
DI3
DI2
DI1
+5V
+5V
COM
RSP/RS485
RS-485 communication / Remote input / Contact input
(Suffix code: Type 2=1)
RS-485
Heater break alarm-2
output
HAL2 308
Common
COM 309
Transistor contact rating: 24 V DC, 50 mA
Default: Undefined
0-20 mA DC,
4-20 mA DC
External contact output (transistor)
UT
HAL1 307
Heater break alarm-1
output
+ 311
- 312
14.5-18.0 V DC
(Max. 21 mA DC)
+ 311
- 312
Heater current detection input
310
CT1
CT2
COM
311
312
Specify within a
range of 1-5 V DC,
0-2 V DC,0-10 V DC
(Suffix code: Type 2=2
and with optional suffix code /DR)
RTD input
A 301
+ 305
- 306
+ 302
b 302
- 303
B 303
Default: 1-5 V DC
External contact input
4-wire
Transistor contact
Common
303 COM
303
REMOTE when DI16=ON
LOCAL when DI16=OFF
304 DI16
304
COM
DI16
UT
RSP
Universal input
TC input
Remote input
UT
Heater break alarm HBA
Factory default: Cooling-side control output is
relay.
Can be used for retransmission output or 15 V DC
loop power supply when current/voltage pulse
output is not used for control output.
Current output range can be changed.
E1-Terminal Area
301-306
No-voltage contact
(Optional suffix code /HA)
Default: 4-20 mA DC
When feedback input is current
303
- 208
External contact input
Factory default: No function
Current/voltage pulse output Retransmission output 15 V DC loop power supply
- 312
SG
+ 207
Contact input DI (Equipped as standard)
Contact rating: 240 V AC, 3 A
30 V DC, 3 A (resistance load)
+ 310
311
301
14.5-18.0 V DC
(Max. 21 mA DC)
- 208
Can be used for retransmission output or 15 V DC loop power suppy when
current/voltage pulse output is not used for control output.
Current output range can be changed.
In Position proportional type, can be used for retransmission output or 15 V DC
loop power supply.
Heating/cooling control output
Feedback input
Current (mA)
input
302
+ 207
Default: 4-20 mA DC
(Suffix code: Type 1=-2)
VALV
Feedback input
RSA(-)
0-20 mA DC,
4-20 mA DC
Common
Contact rating: 240 V AC, 3A Resistance: 100 Ω to 2.5 kΩ
30 V DC, 3 A
(resistance load)
RSB(+)
- 208
Contact rating: 12 V DC, 10 mA or more
101
103
0-20 mA DC,
4-20 mA DC,
Voltage pulse (12 V)
Function can be assigned to the terminals with no function.
Relay contact output
102
Control output OUT (Suffix code: Type1=-0, -1 or -2)
(24 V AC/DC power supply: Optional suffix code /DC)
Position proportional control output
COM
- 206
Current/voltage pulse output Retransmission output 15 V DC loop power supply
+ 207
101
-112
(Suffix code: Type1=-1)
LOW
(reverse)
- 203
102
112
HIGH
(direct)
+ 202
108
111
14.5-18.0 V DC
(Max. 21 mA DC)
Default: Undefined
106
110
Allowable range:
100-240 V AC (±10%)
(free voltage)
50/60 Hz shared
- 203
+ 204
E1-terminal area
105
Power supply
N
- 206
Load resistance 600 Ω or less
Default: 4-20 mA DC
UT
Relay contact rating: 240 V AC, 1 A
30 V DC, 1 A (resistance load)
100-240 V AC power supply
4-20 mA DC or
0-20 mA DC
b 202
B 203
Current (mA) input Voltage (mV, V) input
Contact output ALM (Equipped
as standard)
Alarm-3 output
(PV high limit)
A 201
+ 202
- 203
Contact rating: 250 V AC, 3 A
30 V DC, 3 A (resistance load)
Retransmission output RET (Equipped as standard)
Retransmission output 15 V DC loop power supply Can be used for 15 V DC loop
power supply when not used for
retransmission output.
+ 205
+ 205
Default: PV retransmission
a 305
Current (mA) input Voltage (mV, V) input
+5V
Contact rating: 12 V DC, 10m A or more
(Suffix code: Type 2=2
and without optional suffix code /DR)
- 303
+ 302
+ 304
- 303
Remote input/ Contact input RSP
External contact input
No-voltage contact
Common
REMOTE when DI16=ON
LOCAL when DI16=OFF
UT
Transistor contact
303 COM
304 DI16
303
304
COM
DI16
UT
+5V
Contact rating: 12 V DC, 10m A or more
Remote input
Specify within a
range of 1-5 V DC,
0-2 V DC,0-10 V DC
+ 305
- 306
Default: 1-5 V DC
(Suffix code: Type 2=3)
Contact input / Contact output DI/DO
External contact input
No-voltage contact
24 V DC loop power supply
21.6-28.0 V DC
(Max. 30 mA DC)
+ 305
- 306
Transistor contact
301
Factory default: No function
302 DI11
302
Factory default: No function
303 DI12
303
(Optional suffix code /LP) LPS24
24 V DC loop power supply
UT
301 COM
Common
COM
DI11
DI12
UT
+5V
+5V
Contact rating: 12 V DC, 10 mA or more
External contact output
Factory default: No function DO12 304
UT
Function can be
assigned to the
terminals with no
function.
Factory default: No function DO11 305
Common
COM 306
Transistor contact rating: 24 V DC, 50 mA
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
GS 05P01C31-01EN
Mar. 11, 2011-00
11
<<Contents>> <<Index>>
nExternal Dimensions and Panel Cutout Dimensions
UT55A
65
Bracket
20
96
91.6
96
Unit: mm
Terminal cover
94.6
105.2
11
Bracket
1 to 10 mm (panel thickness)
• Side-by-side close mounting
[(N-1)×96+92] +0.8
0
• General mounting
92 +0.8
0
117 min.
145
min.
(53)
“N” stands for the number of controllers to be
installed.
However, the measured value applies if N≥5.
92+0.8
0
92+0.8
0
Normal tolerance:
±(value of JIS B 0401-1998 tolerance class IT18)/2
(25)
UT52A
11
Unit: mm
65
Bracket
20
Terminal cover
96
91.6
94.6
105.2
48
Bracket
1 to 10 mm (panel thickness)
• Side-by-side close mounting
[(N-1)×48+45] +0.6
0
• General mounting
92 0
+0.8
70 min.
145
min.
(53)
“N” stands for the number of controllers to be
installed.
However, the measured value applies if N≥5.
92 +0.8
0
45+0.6
0
(25)
Normal tolerance:
±(value of JIS B 0401-1998 tolerance class IT18)/2
nConstruction, Mounting, and Wiring
•Dust-proof and drip-proof: IP56 (Front panel) (Except
for side-by-side close mounting)/NEMA4 *
*:
Hose down test only
•Material: Polycarbonate resin (Flame retardancy: UL94 V-0)
•Case color: Light gray
•Weight: 0.5 kg or less
•External dimensions (mm):
UT55A: 96 (width) x 96 (height) x 65 (depth from the panel surface)
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
UT52A: 48 (width) x 96 (height) x 65 (depth from the panel surface)
•Mounting: Direct panel mounting; mounting bracket,
one each for upper and lower mounting
•Panel cutout dimensions (mm):
UT55A: 92+0.8/0 (width) x 92+0.8/0 (height)
UT52A: 45+0.6/0 (width) x 92+0.8/0 (height)
•Mounting position: Up to 30 degrees above the horizontal. No downward titling allowed.
•Wiring: M3 screw terminal with square washer (signal
wiring and power)
GS 05P01C31-01EN
Mar. 11, 2011-00
12
<<Contents>> <<Index>>
nModel and Suffix Code
Model
Optional
suffix
code
Suffix code
UT55A
Type 1:
Basic
control
-0
-1
-2
0
1
2
Type 2:
Functions (*1) 3
4
5
6
7
Type 3:
Open networks
0
1
2
3
4
5
Display language (*7)
-1
-2
-3
-4
Case color
Fixed code
0
1
-00
/DR
/LP
/HA
/DC
/CT
Options
*1:
*2:
*3:
*4:
Optional
suffix
code
Suffix code
UT52A
-0
-1
-2
Type 2:
Functions
Type 3:
Open networks
0
1
2
3
0
Display language (*7)
Case color
Fixed code
*5:
*6:
*7:
Description
Digital Indicating Controller (provided with retransmission output or 15 V DC loop power supply , 3 DIs,
and 3 DOs) (Power supply 100-240 V AC)
Standard type
Position proportional type
Heating/cooling type
None
Remote (1 additional aux. analog) input,1 additional DI, and RS-485 commuication (Max. 38.4 kbps, 2-wire )
Remote (1 additional aux. analog) input and 1 additional DI
2 additional DIs, and 2 additional DOs
None
-1
-2
-3
-4
0
1
-00
/DR
Options
Digital Indicating Controller (provided with retransmission output or 15 V DC loop power supply , 3 DIs,
and 3 DOs) (Power supply 100-240 V AC)
Standard type
Position proportional type
Heating/cooling type
None
Remote (1 additional aux. analog) input, 6 additional DIs, 5 additional DOs, and RS-485 commuication
(Max. 19.2 kbps, 2-wire/4-wire) (*2 )
Remote (1 additional aux. analog) input, 1 additional DI, and RS-485 communication (Max. 19.2 kbps,
2-wire/4-wire) (*2)
5 additional DIs and 5 additional DOs
Remote (1 additional aux. analog) input and 1 additional DI
Remote (1 additional aux. analog) input, 6 additional Dls, and 5 additional DOs
5 additional DIs, and 15 additional DOs
3 additional aux. analog inputs and 3 additional DIs
None
RS-485 communication (Max. 38.4 kbps, 2-wire/4-wire)
Ethernet communication (with serial gateway function)
CC-Link communication (with Modbus master function)
PROFIBUS-DP communication (with Modbus master function)
DeviceNet communication (with Modbus master function)
English
German
French
Spanish
White (Light gray)
Black (Light charcoal gray)
Always “-00”
Additional direct input (TC &, 3-wire/4-wire RTD) and current to Remote (1 additional aux. analog) input, 1
DI to be deleted (*3)
24 V DC loop power supply (*4)
Heater break alarm (this can be specified when 0 is set to the type 1 code)
Power supply 24 V AC/DC
Coating (without safety standard (UL/CSA) and CE markings)
When “1” or “6” is specified for the Type 2 code, only “0” can be specified for the Type 3 code.
When the /LP option is specified, the RS-485 communication for “1” or “2” of the Type 2 code is 2-wire system.
When any of “1”, “2”, “4”, “5”, or “7” is specified for the Type 2 code, the /DR option can be specified.
The /LP option can be specified in the combination of Type 2 code (any of “0”, “2”, “3”, or “4”) and Type 3 code (any of “0” or “1”). Additionally the /LP option can
be specified in the combination of Type 2 code “1” and Type 3 code “0”.
Model
Type 1:
Basic
control
Description
/LP
/HA
/DC
/CT
English
German
French
Spanish
White (Light gray)
Black (Light charcoal gray)
Always “-00”
Additional direct input (TC & 3-wire/4-wire RTD) and current to Remote (1 additional aux. analog) input, 1
DI to be deleted (*5)
24 V DC loop power supply (*6)
Heater break alarm (this can be specified when 0 is set to the type 1 code)
Power supply 24 V AC/DC
Coating (without safety standard (UL/CSA) and CE markings)
When “2” is specified for the Type 2 code, the /DR option can be specified.
The /LP option can be specified in the combination of Type 1 code (any of “0” or “1”) and Type 2 code “0”.
English, German, French, and Spanish can be displayed as the guide display.
nItems to be specified when ordering
Model and suffix codes, whether User’s Manual and
QIC required.
nStandard accessories
Terminal cover, Brackets (mounting hardware), Unit
label, Operation Guide for Single-loop Control, and
User’s Manual (CD-ROM version).
All Rights Reserved. Copyright © 2009, Yokogawa Electric Corporation
Subject to change without notice.
nSpecial Order Items
Model code
LL50A
X010
*:
Suffix code
-00
Description
Parameter Setting Software
See the General Specifications (*) Resistance Module
Necessary to input current signal to voltage input
terminal.
GS 05P01C31-01EN
Mar. 11, 2011-00