Name: YOKOGAWA UT55A
Brand: YOKOGAWA
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11-19

IM 05P01C31-01EN

AlarmFunctions

11.6 SettingAlarmActionAccordingtoOperation

Mode

Description

The alarm action usually functions regardless of operation modes.

Setting the alarm mode allows the alarm action to be disabled in STOP or in STOP or

MAN mode.

Setting Details

Parameter

symbol

Name

Display

level

Setting range Menusymbol

AMD Alarm mode STD

0: Always active

1: Not active in STOP mode

2: Not active in STOP or MAN

mode

ALRM

Note1: In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.

Contents4
- Trademarks5
- Safety Precautions5
- Handling Precautions for the Main Unit7
- Waste Electrical and Electronic Equipment (WEEE), Directive 2002/96/EC7
- Checking the Contents of the Package8
- Model and Suffix Codes of UT55A (for Standard Model)9
- Model and Suffix Codes of UT52A (for Standard Model)10
- Model and Suffix Codes of UT55A (for Detailed Model)11
- Model and Suffix Codes of UT52A (for Detailed Model)12
- Symbols Used in this Manual15
- How to Use this Manual16
- Table of Contents18
- Introduction4
- Notice4
- Target Readers4
Chapter 1 Introduction To Functions26
- Quick Setting Function26
- Input/Output Function27
- Control Functions29
- Control Mode29
- Display and Key Functions33
- Ladder Sequence Function34
- Communication Functions35
- Definition of Main Symbols and Terms39
Chapter 2 UT55A/UT52A Operating Procedures40
- UT55A/UT52A Operating Procedures40
Chapter 3 Part Names42
- Names and Functions of Display Parts42
- Names and Functions of Keys45
- List of Display Symbols48
- Brief Description of Setting Details (Parameters)50
Chapter 4 Basic Operation52
- Overview of Display Switch and Operation Keys52
- How to Set Parameters55
Chapter 5 Quick Setting Function App60
- Setting Using Quick Setting Function60
- Restarting Quick Setting Function65
Chapter 6 Monitoring And Control Of Regular Operations66
- Monitoring and Control of Operation Displays66
- Setting Target Setpoint84
  - Operation in the Operation Display84
  - Operation in Parameter Setting Display85
- Performing and Canceling Auto-Tuning86
- Adjusting PID Manually89
- Setting Alarm Setpoint95
- Selecting Target Setpoint Number (SPNO)96
- Switching Operation Modes97
- Manipulating Control Output During Manual Operation105
- Releasing On-State (Latch) of Alarm Output106
Chapter 7 Input (Pv, Remote, And Auxiliary Analog) Functions108
- Setting Functions of PV Input, Remote Input, and Auxiliary Analog Input108
- Setting Input Sampling Period (Control Period)120
- Using 4-Wire RTD as PV Input121
- Using Larger, Smaller, Average, or Difference of Two to Four Inputs as PV122
- Setting Remote Input Method123
- Adjusting PV Range for Loop Control with PV Switching or Loop Control with PV Auto-Selector124
- Setting PV Switching Methods of Loop Control with PV Switching125
Chapter 8 Control Functions130
- Setting Control Mode (CTLM)130
- Setting Control Type (CNT)197
- Setting PID Control Mode (ALG)216
- Switching PID218
- Suppressing Overshoot (Super Function)227
- Suppressing Hunting (Super2 Function)229
- Suppressing Integral Action (Anti-Reset Wind-Up)231
- Performing Non-Linear PID Control232
- Adjusting Auto-Tuning Operation233
Chapter 9 Auxiliary Control Functions234
- Setting SP Limiter234
- Changing SP at a Fixed Rate (SP Ramp-Rate Setting Function)235
- Forcing SP to Track PV (PV Tracking)237
- Forcing SP to Track Remote Input (SP Tracking)238
- Setting Controller Action at Power on (Restart Mode)239
- Setting Time between Powering on Controller and Starting Control (Restart Timer)240
Chapter 10 Output (Control And Retransmission) Functions242
- Setting Control Output Type242
- Setting Control Output Cycle Time246
- Setting Limiter to Control Output247
- Disabling Output Limiter in man Mode248
- Setting Velocity Limiter to Control Output249
- Reducing 4-20 Ma Current Output to 0 Ma (Tight Shut Function)250
- Setting ON/OFF Control Hysteresis251
- Canceling Offset of PV and SP (Manual Reset)253
- Setting Hysteresis and Dead Band for Heating/Cooling Control Output254
- Setting Hysteresis and Dead Band for Position Proportional Control Output256
- Setting Retransmission Output Terminal, Type, and Scales257
- Setting Preset Output Value260
- Setting 10-Segment Linearizer For Output265
- Changing Current Output Range267
- Setting Split Computation Output Function268
- Adjusting Motor-Operated Valve Position (Position Proportional Output)270
- Using 15 V DC Loop Power Supply274
Chapter 11 Alarm Functions276
- Setting Alarm Type276
- Setting Number of Alarm Groups to Use290
- Setting Hysteresis to Alarm Operation291
- Delaying Alarm Output (Alarm Delay Timer)292
- Setting Alarm Output to Control Relay Terminal293
- Setting Alarm Action According to Operation Mode294
- Setting Heater Break Alarm295
Chapter 12 Contact Input/Output Functions298
- Setting Contact Input Function298
  - Setting Contact Input Function305
  - Changing Contact Type of Contact Input307
- Setting Contact Output Function308
  - Setting Function of Contact Output308
  - Changing Contact Type of Contact Output314
Chapter 13 Display, Key, and Security Functions316
- Setting Display Functions316
- Assigning Function to User Function Key and A/M Key334
- Setting Security Functions337
- Confirmation of Key and I/O Condition and Version342
  - Confirmation of Key and I/O Condition342
  - Confirmation Of Version347
Chapter 14 Parameter Initialization348
- Initializing Parameter Settings To Factory Default Values348
- Registering And Initializing User Default Values349
  - Registering As User Setting (Default) Values349
  - Initializing To User Setting (Default) Values349
- Remedies if Power Failure Occurs During Operations350
- Power Frequency Setting351
Chapter 16 Troubleshooting, Maintenance, And Inspections352
- Troubleshooting352
- Maintenance366
- Periodic Maintenance367
- Disposal368
- Installation Location370
- Mounting Method372
- External Dimensions and Panel Cutout Dimensions373
- Wiring374
- Attaching and Detaching Terminal Cover410
Chapter 18 Parameters412
- Parameter Map412
- List of Parameters419
  - Operation Parameters419
  - Setup Parameters427
Chapter 19 Specifications454
- Hardware Specifications454
Appendix Input and Output Table464
- Appendix 1 Input And Output Table464
  - Input and Output Table (for Standard Model)464
- Appendix467
  - Input and Output Table (for Detailed Model)467
Appendix 2 Input and Output Table (for Detailed Model)468
Revision Information474

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General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English

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