YOKOGAWA UT75A - User Manual

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User’s

Manual

UT75A

Digital Indicating Controller

User’s Manual

IM 05P01B41-01EN

IM 05P01B41-01EN

3rd Edition

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Table of Contents

Default Chapter4
- Introduction4
- Notice5
- Safety Precautions5
- Target Readers5
- Trademarks5
Chapter 1 Introduction to Functions22
- Quick Setting Function22
- Input/Output Function23
- Control Functions25
- Program Pattern Functions29
- Display and Key Functions30
- Ladder Sequence Function31
- Communication Functions32
- Definition of Main Symbols and Terms36
Chapter 2 UT75A Operating Procedures38
Chapter 3 Part Names40
- Names and Functions of Display Parts40
- Names and Functions of Keys43
- List of Display Symbols46
- Brief Description of Setting Details (Parameters)48
Chapter 4 Basic Operation50
- Overview of Display Switch and Operation Keys50
- How to Set Parameters53
Chapter 5 Quick Setting Function58
- Setting Using Quick Setting Function58
- Restarting Quick Setting Function63
Chapter 6 Monitoring And Control Of Regular Operations64
- Monitoring and Control of Operation Displays64
- Setting Target Setpoint86
  - Operation in the Operation Display86
  - Operation in Parameter Setting Display87
- Performing and Canceling Auto-Tuning88
- Adjusting PID Manually91
- Setting Alarm Setpoint97
- Selecting Target Setpoint Number (SPNO)98
- Switching Operation Modes99
- Manipulating Control Output During Manual Operation111
- Releasing On-State (Latch) of Alarm Output113
Chapter 7 Input (Pv, Remote, And Auxiliary Analog) Functions114
- Setting Functions of PV Input, Remote Input, and Auxiliary Analog Input114
- Setting Input Sampling Period (Control Period)127
- Using 4-Wire RTD as PV Input128
- Using Larger, Smaller, Average, or Difference of Two to Four Inputs as PV129
- Setting Remote Input Method130
- Adjusting PV Range for Loop Control with PV Switching or Loop Control with PV Auto-Selector131
- Setting PV Switching Methods of Loop Control with PV Switching132
Chapter 8 Control Functions136
- Setting Control Mode (CTLM)136
- Setting Control Type (CNT)209
- Setting PID Control Mode (ALG)228
- Switching PID230
- Suppressing Overshoot (Super Function)240
- Suppressing Hunting (Super2 Function)242
- Suppressing Integral Action (Anti-Reset Wind-Up)244
- Performing Non-Linear PID Control245
- Adjusting Auto-Tuning Operation246
- Setting SP Limiter247
- Changing SP at a Fixed Rate (SP Ramp-Rate Setting Function)248
- Forcing SP to Track PV (PV Tracking)250
- Forcing SP to Track Remote Input (SP Tracking)251
- Setting Controller Action at Power on (Restart Mode)252
- Setting Time between Powering on Controller and Starting Control (Restart Timer)253
Chapter 9 Program Pattern Functions254
- Setting the Program Pattern254
- PID Selection Method257
  - Segment PID Selection257
  - Zone PID Selection257
- Setting the Program Starting Conditions (STC)258
- Setting the Wait Functions264
  - Program Wait at Segment End264
- Setting the Segment Repetition (Repeat Actions)266
- Setting the Segment End Condition267
  - Switching for Continuation (JC=CONT)267
  - Hold-On Switching (JC=HOLD)268
- Program Pattern End Signal269
Chapter 10 Output (Control and Retransmission) Functions270
- Setting Control Output Type270
- Setting Control Output Cycle Time274
- Setting Limiter to Control Output275
- Disabling Output Limiter in man Mode276
- Setting Velocity Limiter to Control Output277
- Reducing 4-20 Ma Current Output to 0 Ma (Tight Shut Function)278
- Setting ON/OFF Control Hysteresis279
- Canceling Offset of PV and SP (Manual Reset)281
- Setting Hysteresis and Dead Band for Heating/Cooling Control Output282
- Setting Hysteresis and Dead Band for Position Proportional Control Output284
- Setting Retransmission Output Terminal, Type, and Scales285
- Setting Preset Output Value288
- Setting 10-Segment Linearizer For Output293
- Changing Current Output Range295
- Setting Split Computation Output Function296
- Adjusting Motor-Operated Valve Position (Position Proportional Output)298
- Using 15 V DC Loop Power Supply302
Chapter 11 Alarm Functions304
- Setting Alarm Type304
- Setting Number of Alarm Groups to Use318
- Setting Hysteresis to Alarm Operation319
- Delaying Alarm Output (Alarm Delay Timer)320
- Setting Alarm Output to Control Relay Terminal321
- Setting Alarm Action According to Operation Mode322
Chapter 12 Contact Input/Output Functions324
- Setting Contact Input Function324
  - Setting Contact Input Function333
  - Changing Contact Type of Contact Input335
- Setting Contact Output Function336
  - Setting Function of Contact Output336
  - Changing Contact Type of Contact Output342
Chapter 13 Display, Key, And Security Functions344
- Setting Display Functions344
- Assigning Function to User Function Key and A/M Key362
- Setting Security Functions365
- Confirmation of Key and I/O Condition and Version370
  - Confirmation of Key and I/O Condition370
  - Confirmation of Version374
Chapter 14 Parameter Initialization376
- Initializing Parameter Settings to Factory Default Values376
- Registering and Initializing User Default Values377
  - Registering as User Setting (Default) Values377
  - Initializing To User Setting (Default) Values377
- Remedies if Power Failure Occurs During Operations378
- Power Frequency Setting379
Chapter 16 Troubleshooting, Maintenance, And Inspections380
- Troubleshooting380
- Maintenance394
- Periodic Maintenance395
- Disposal396
Chapter 17 Installation and Wiring398
- Installation Location398
- Mounting Method400
- External Dimensions and Panel Cutout Dimensions401
- Wiring402
- Attaching and Detaching Terminal Cover432
Chapter 18 Parameters434
- Parameter Map434
- List of Parameters441
  - Operation Parameters441
  - Setup Parameters451
Appendix Input and Output Table494
Revision Information496

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YOKOGAWA UT75A Specifications

General

Brand	YOKOGAWA
Model	UT75A
Category	Controller
Language	English

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