UT35A/UT32A

The UT35A and UT32A temperature 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 UT35A/UT32A also support open networks such as Ethernet communication.

UT35A and UT32A Temperature Controller Features

  • 4 target setpoints (PID numbers) available as standard
  • 3 alarm independent common terminals available as standard
  • Ladder sequence programs can be built
  • Simple operation
  • Up to 8 DOs (combinations available)
  • Multiple language operation manual (Japanese, English, German, French, Spanish, Chinese and Korean) available. Please specify the desired language when ordering.
  • Detailed code model available to customize specifications best suited to you.

Details

Advanced Control

Control Modes

The control mode allows easily configuring settings and making changes with parameters.

  • Single-loop control

5 Built-in Control Types

  • PID control
  • ON/OFF control (1 point of hysteresis)
  • ON/OFF control (2 points of hysteresis)
  • Two-position, two-level control
  • Heating/cooling control

Heating/cooling control

For the correspondence between the above control mode and control types for each model, please refer to the specifications.

Ladder Sequence Control

With built-in ladder sequence control, the range of applications are dramatically increased. This feature is standard in all the UTAdvanced controllers (except UM33A). The ladder sequence control function can replace a small PLC required by the application. Sequence control and PID control can be performed simultaneously.

  • Monitoring and control of external machinery
    E.g.: Lamps, switches, timers
  • Solve digital input/output logic functionality easily.
    Number of basic command types: 13
    Number of application command types: 73
[Example of ladder instruction] [Example of ladder programming]
ladder programming

Application Examples of Ladder Sequence Program

Alarm Sequence Control Circuits Can be Reduced
The ladder sequence program is built in the UTAdvanced as standard. The ladder sequence function enables monitoring and controlling peripheral devices such as relays, thus making it possible to reduce costs.

[Conventional]
Alarm action was built by a sequence control circuit (relay, timer, etc.) outside of the controller.

Arrow [UTAdvanced]
Alarm action is built by the ladder sequence program inside the UTAdvanced, thus making it possible to reduce costs.

Alarm Sequence Control Circuits can be Reduced

Example: Alarm annunciator

Host System Load is Reduced

[Conventional]
Action
Various types of analog data were captured into the host system (PLC, etc.) and calculated, and the results were processed by the field controller for control via a command.

[UTAdvanced]
Merit
The UTAdvanced with up to 4 analog inputs* enables various types of analog data to be captured directly into the controller and calculated by the ladder program, thus reducing the system-building load of the host. Action: Various types of analog data were captured into the host system (PLC, etc.) and calculated, and the results were processed by the field controller for control via a command.
* In the case of the UT55A

Host System Load is Reduced

Universal Input/Output
Select Input and Output Types via Configuration

Universal Input

Select from TC, RTD, mV/DC voltage and DC current. (DC current input: No shunt resistor required)

The input type and range is user selectable via the front panel or by using the LL50A parameter setting software.

  • Universal Input±0.1% Indication Accuracy.
  • Connect up to two 2-wire transmitters simultaneously.

All instruments have a 15 V Loop Power Supply (15 V LPS) for a transmitter.
In addition, a 24 V LPS is also available simultaneously for some instruments as optional function.

Universal Input

Universal Output

User selectable for relay, Voltage pulse and current outputs.

  • Relay output: ON/OFF control, time-proportional PID control
  • Voltage pulse output: time-proportional PID control
  • Current output: continuous PID control

Heating/cooling control has two sets of universal outputs.

  • Any combinations of relay, pulse and current outputs are available.

Drive a motorized control valve by using position-proportional PID.

  • The position-proportional PID control function has two sets of relay outputs for direct/reverse rotation of motorized control valve.
  • The slide wire input to feed back the valve position is also available.

Auto-tuning (AT) Function

The following conditions can be set in order to increase the accuracy of calculating PID constants using AT .

  1. Two types of algorithms to calculate PID constants are available for selection.
    Normal: fast-rising PID constant
    Stable: slow-rising PID constant
  2. High and low output limits can be set individually for control output values during AT runtime.

Fuzzy Logic

SUPER Function Suppresses Overshoot

The field proven SUPER function utilizes a built-in operator experience and fuzzy theory to deliver fine control and suppress overshoot.

SUPER Function Suppresses Overshoot

SUPER2 Function Suppresses Hunting

The new SUPER2 function utilizes a built-in operator experience and modern control theory to deliver fine control and suppress hunting.

SUPER2 Function Suppresses Hunting

LL50A Parameters Setting Software

Parameter Setting/Program Pattern Creating Function

Parameters that determine controller functions can easily be set: controller model type, controller mode (single-loop control, cascade control, loop control with PV switching, etc.), universal input/output functions, setup parameters and others. It also allows you to create program patterns.

 Parameter setting functions

Tuning Function

Used to tune a controller's PID parameters. Displays measured input value, target setpoint, and control output value as a trend graph on a personal computer screen, allowing PID parameter modification, AUTO/MAN switching, control output modification in manual operation, etc.

Tuning function

Ladder Building Functions

Ladder sequence programs can be created and ladder programs can be monitored.

Ladder Building functions

Network Profile Creation Function

Can be used to create an electronic device data sheet for Open Network.

Via Bus Powered USB Cable

Can be set parameters and ladder program while no power supply to controller.

Via Bus Powered USB Cable

Via Ethernet Communication Connector

Via Ethernet Communication Connector

Via Dedicated Adapter

Via Dedicated AdapterCan be used while attached to the control panel.

  • Applicable Termperature Controllers: UT75A, UT55A/UT52A, UT35A/UT32A, UP55A/UP35A/UP32A, UM33A

Via RS-485 Communication Terminals

Via RS-485 Communication Terminals

Simplicity

Bright & Easy to Read Active Color LCD Display

Bright & Easy to Read Active Color LCD Display

Versatile Color LCD Display

Versatile Color LCD Display

 

Optimal Display

Optimal DisplayThe controller menus and layout are adjusted in accordance with the level (EASY, STD, PRO) of information required by the user. If simple temperature or level control is needed, then select the easy configuration. Very sophisticated applications are no problem for the UTAdvanced. Just select the PRO setting and make use of the additional functionality shown in this mode. Advanced applications can be programmed in the PRO setting and then changed back to the easy setting to lock out functions not required by operators.

Active Color LCD Display

Active Color LCD DisplayWith Yokogawa's Active color display you can instantly tell, at a glance, the status of your process.


Alarm Status: Active color display changes from white (normal) to red (alarm).
Deviation Status: Color changes based on a PV deviation from SP.
User-defined Color: Choose between white or red display for constant Readings.

Compact Design

The 65-mm depth of the controller reduces the constraints on installation location.

Compact Design

Easy Operation Map, Navigation Guide and Navigation Keys

The navigation keys is an intuitive method to navigate the controller's configuration menus and setting its various menus. Navigation arrows even tell you what button to push next.

Easy Operation Map, Navigation Guide and Navigation Keys

Programmable Function Keys

Programmable Function KeysIt is easy to assign frequently used functions, such as the operation mode switch, Run/Stop, program pattern selection, Remote/Local, alarm latch release, and PID parameter display. The function of an external switch can also be assigned to the front panel key in conjunction with a ladder sequence program.

Scrolling Text

Scrolling Text

The UTAdvanced is equipped with a scrolling text feature that fully lists the parameter being modified. There is no guessing what parameter you are looking at. It is possible to turn off scrolling the text function.

Multiple Language Support

Multiple language support

The UTAdvanced is fluent in multiple languages — English, Spanish, French, and German. The use of the UTAdvanced by local language operators is not an obstacle.

User Settable Default Values

User settable default valuesParameter values (SP, P, I, D, ALM1, etc.) configured by the user can be stored in the controller as the default values. Even if a parameter set value is accidentally changed, it can be restored to the original value with a simple operation.

Now Available in Two Colors (White or Black)

UT55A/UT52A White & Black Models

Now you can choose a color that matches your work area: white (light gray), or black (light charcoal gray).

Parameter Setting

LL50A Parameter Setting Software (sold separately) allows for easily setting parameters.

Parameter Setting

Message Function

Message FunctionUsing the message function and turning the contact input on/off, the message registered beforehand can be displayed on PV display by interrupt.The message is registered using LL50A Parameter Setting Software.The messages are limited to 20 alphanumeric characters. A maximum of four messages can be registered.

Quick Setting Function

Minimum parameters necessary for operation can be set.

Security Function

The password function can prevent inadvertent changes to the parameter settings. If a password is set, the password is required when moving to the Setup Parameter Setting Display. When the password is verified, can be changed to the Setup Parameter Setting Display.

Networking

Communication Functions

A simple and easy network connection is provided!
A built-in function in the controller eliminates the need for a converter and makes wiring simple.

Communication Functions

Modbus/TCP

Modbus TCP/IP, a protocol that allows the controller to connect to any Ethernet network and have the ability to exchange data with the computers or devices on that network.

  • Allows control devices to be integrated into an application simply.
  • Works with any Modbus TCP/IP compliant software. 
  • Support for Modbus function codes 03, 06, 08 & 16. 
  • Gateway function allows RS-485 Modbus devices to communicate via Ethernet. 
  • Reduced labor costs in wiring and setup of a communications network. 
  • Physical Layer: 10 BASE-T/100 BASE-TX 
  • Maximum number of connection: 2

Modbus / TCP

Modbus/RTU

The data of UTAdvanced (slave units) can be displayed and saved on the DXAdvanced using the Modbus RTU function.

Modbus / RTU

Open Network (PROFIBUS-DP, CC-Link, DeviceNet)

Embedded open networks will provide direct connection to PLC's.

  • Reads data from UTAdvanced
  • Writes parameter setting value to UTAdvanced

Example:

PC-Link

Peer to Peer

The use of the ladder sequence program makes it possible to exchange analog data and status data between communication-capable UTAdvanced.

Example: A UTAdvanced in which an input error occurs sends a signal to another UTAdvanced to enable that UTAdvanced switch to MAN operation, thus shifting the whole system into a safe mode. In such a case, the safety mechanism can be built into the UTAdvanced and is not required in the host system.

Peer to Peer

Coordinated Operation

In coordinated operation, a single UTAdvanced termperature controller is used as a master controller and multiple UTAdvanced or other UTAdvanced digital indicating controllers as slave controllers.

The slave controllers are operated in accordance with the actions of the master controller.

Coordinated Operation

PC-Link

A protocol used for communicating with a general-purpose personal computer, or UTAdvanced series link module and serial communication module of FA-M3R (range-free controller).

PC-Link

Reliability

Dependable 3 year warranty*1

3 year warranty

Backed by the high reliability and quality that Yokogawa has cultivated over many years.

RoHS/WEEE compliant

UTAdvanced is environmentally safe when disposing.

Dust-proof and drip-proof front panel (NEMA4*2 /IP66)

UTAdvanced can also be used for food-processing equipment with washable control panels. 

Reliability

  1. The 3 year warranty extends 36 months after shipment from our factory.
  2. Hose down test only.

Specifications

ITEM UT35A UT32A
PV input Input type 1 Universal input (TC, RTD, mV, V, mA)
Indication accuracy ±0.1% of F.S.
Control scan period   200 msec
PV/SP data display   14-segment, 5 digits, Bar graph LCD display
Control outputs (MV) Type Relay, Voltage Pulse, Current
Algorithm ON/OFF, PID (Continuous, Time-proportional), Heating/Cooling, Position-proportional
Digital inputs Number 2 (Std) 7 (Max) 2 (Std) 4 (Max)
Type SP No.Change, PID No. Change, A/M Change, etc
Digital outputs Number 3 (Std) 8 (Max) 3 (Std) 5 (Max)
Function PV High, PV Low, Dev High, etc
Current trans input (option) Number 2
Retransmission Number 1
Type PV, SP, OUT, etc
Remote (aux.) input (option) Number - -
Type -
Loop power supply (LPS) (option) Number 1
Voltage 21.6 to 28.0 VDC
Communication (option) Number 1 1
Type RS-485, Ethernet, PROFIBUS-DP, CC-Link, DeviceNet RS-485, CC-Link 
Other specifications Power supply 100 to 240 VAC (+10%, -15%) or 24 VAC/DC (+10%, -15%) (option)
Power consumption Max 18 VA Max 15 VA
Mass Max 0.5 kg

Comparison Chart (UT75A/UT55A/UT52A/UT35A/UT32A)

  UT75A UT55A UT52A UT35A UT32A
Model UT75A UT55A UT52A UT35A UT32A
Size 1/4 DIN    
1/8 DIN      
Depth from the panel surface (mm) 65 65 65 65 65
Number of Control loops Standard (Maximum) 1(2) 1 1 1 1
Control Scan Period (msec) Choice 50/100/200 Choice 50/100/200 Choice 50/100/200 200 200
Display Function Number of PV Display Digits 5 5 5 5 5
Active Color PV Display Function
Guide Scroll Display Function
Message Display Function
Bar graph display (Number) ✓(2) ✓(2) ✓(2) ✓(1) ✓(1)
PV Input Indication Accuracy (% of F.S.) 0.1 0.1 0.1 0.1 0.1
PV Input Type TC
RTD (3-wire)
RTD (4-wire)    
mV, V
mA
Number of Analog Inputs Standard (Maximum) 1(4) 1(4) 1(2) 1 1
Number of SPs (PIDs) Maximum 20(16) 8 8 4 4
Number of Control Modes Maximum 9 8 8 1 1
Number of Control Types Maximum 8 8 8 5 5
Control Output Type Relay Contact Output, Voltage pulse output, Current output
Algorithm ON/OFF
PID (Continuance, Time Proportion)
Position proportional
Heating/cooling
Number of Analog Outputs Standard (Maximum) 2(3) 2(3) 2(3) 2 2
Number of Digital Inputs Standard (Maximum) 3(8) 3(9) 3(5) 2(7) 2(4)
Number of Alarms   8 8 8 4 4
Number of Digital Outputs Standard (Maximum) 3(8) 3(18) 3(5) 3(8) 3(5)
Communication RS-485 communication (Maximum) ✓(2) ✓(2) ✓(1) ✓(1) ✓(1)
Ethernet communication    
Open Network (CC-Link/PROFIBUS-DP/DeviceNet)    
Various Function Quick Setting Function
Split Computation Output Function    
Ratio and Square Root Extraction Function    
Remote SP Function    
24 V DC Loop Power Supply Function  
Heater Break Alarm Function  
(Standard type)

(Standard type)

(Standard
type or
Heating/
cooling type)

(Standard
type or
Heating/
cooling type)
Ladder Sequence Function (Number of max. steps) ✓(1000) ✓(500) ✓(500) ✓(300) ✓(300)
Other specifications Power Supply AC100 V to 240 V
AC/DC 24 V
Dust and waterproof Level of Front Panel NEMA4 *1 (IP66) NEMA4 *1 (IP66) NEMA4 *1 (IP66) NEMA4 *1 (IP66) NEMA4 *1 (IP66)
Configuration Tool Via Light-loader Communication
Via Maintenance Port
Communication
Via RS-485/Ethernet
communication
✓/✓ ✓/✓ ✓/- ✓/✓ ✓/-

The table above includes specifications of the standard models only.
* 1: Hose down test only.

Input Range

Input type  
TC K, J, T, B, S, R, N, E, L, U, W
PL-2, PR20-40, W97Re3-W75Re25
RTD JPt100, Pt100
DC Voltage 0.4 to 2.0 V, 1.0 to 5.0 V, 0.0 to 2.0 V, 0 to 10 V, -10 to 20 mV, 0 to 100 mV
DC Current 4 to 20 mA, 0 to 20 mA

Resurse

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