Honeywell UDC2800 User manual

UDC2800 Universal Digital Controller

Release 110.2

Product Manual

51-52-25-157

Revision 5.0

June 2022

DISCLAIMER

This document contains Honeywell proprietary information.

Information contained herein is to be used solely for the purpose

submitted, and no part of this document or its contents shall be

reproduced, published, or disclosed to a third party without the

express permission of Honeywell International Sàrl.

While this information is presented in good faith and believed to be

accurate, Honeywell disclaims the implied warranties of

merchantability and fitness for a purpose and makes no express

warranties except as may be stated in its written agreement with and

for its customer.

In no event is Honeywell liable to anyone for any direct, special, or

consequential damages. The information and specifications in this

document are subject to change without notice.

CONTENTS

Contents 3

Chapter 1 - About this guide 11

Chapter 2 - Introduction 13

Overview 13

Operator Interface 20

Function of Displays 20

Function of Keys 22

PC Software and Mobile Device App 24

Configuration Tool via Bluetooth 25

CE Conformity (Europe) 26

North America 28

FCC 28

Chapter 3 - Installation 30

Overview 31

Condensed Specifications 31

Model Number Interpretation 39

Control and Alarm Relay Contact Information 44

Mounting 45

Physical Considerations 45

Overall Dimensions 46

Dimensions and Mounting 46

Mounting Method 47

Mounting Procedure 48

Wiring 49

Electrical Considerations 49

Contents

Wiring Diagrams 51

Identify Your Wiring Requirements 51

Universal Output Functionality and Restrictions 51

Wiring the Controller 54

Chapter 4 - Configuration 66

Overview 67

Configuration Prompt Hierarchy 67

Configuration Procedure 71

Security Set Up Group 73

Tuning Set Up Group 76

SP Ramp/Program Set Up Group 81

SP PROG2 ~ PROG 8 Set Up Group 88

Accutune Set Up Group 91

Algorithm Set Up Group 94

Output Set Up Group 109

Input 1 Set Up Group 115

Input 2 Set Up Group 121

Control Set Up Group 126

Options Set Up Group 138

Communications Group 148

Alarms Set Up Group 152

Display Set Up Group 160

Input1 Calib Set Up Group 163

Input2 Calib Set Up Group 164

Slidewire Calib Set Up Group 165

Current Calib Set Up Group 166

Auxiliary Calib Set Up Group 167

Contents

Configuration Record Sheet 167

Chapter 5 - Monitoring and Operating the Controller 174

Overview 175

Operator Interface 175

Entering a Security Code 176

Lockout Feature 177

Monitoring Your Controller 178

Annunciators 178

Viewing the operating parameters 178

Diagnostic Messages 182

Start Up Procedure for Operation 183

Control Modes 184

Mode Definitions 184

What happens when you change modes 185

Setpoints 186

Timer 188

Accutune III 189

Tune for Simplex Outputs 191

Tune for Duplex (Heat/Cool) 192

Using AUTOMATIC TUNE at start-up for Duplex (Heat/Cool) 192

Using BLENDED TUNE at start-up for Duplex (Heat/Cool) 193

Using MANUAL TUNE at start-up for Duplex (Heat/Cool) 194

Error Codes 195

Fuzzy Overshoot Suppression 197

Using Four Sets of Tuning Constants 198

Auto/Manual Station 201

Alarm Setpoints 207

Three Position Step Control Algorithm 209

Contents

Setting a Failsafe Output Value for Restart After a Power Loss 210

Setting Failsafe Mode 211

Setpoint Rate/Ramp/Program 212

Setpoint Rate 213

Setpoint Ramp 214

Setpoint Ramp/Soak Programming 216

Chapter 6 - Input Calibration 226

Overview 227

Minimum and Maximum Range Values 228

Preliminary Information 230

Input 1 or 2 Set Up Wiring 232

Thermocouple Inputs using a Millivolt Source 232

RTD Inputs 232

Millivolts, Volts or Thermocouple Differential Inputs 233

Milliamperes 234

Input 1 or 2 Calibration Procedure 234

Restore Input Factory Calibration 238

Chapter 7 - Output Calibration 240

Overview 241

Current Output Calibration 241

Auxiliary Output Calibration 244

Position Proportional and Three Position Step Output Calibration 246

Restore Output Factory Calibration 250

Chapter 8 - Troubleshooting/Service 253

Overview 254

Troubleshooting Aids 255

Power-up Tests 256

Status Tests 257

Contents

Background Tests and Diagnostic 258

Controller Failure Symptoms 263

Troubleshooting Procedures 264

Procedure #1 265

Procedure #2 265

Procedure #3 266

Procedure #4 267

Procedure #5 268

Procedure #6 269

Procedure #7 271

Procedure #8 271

Procedure #9 272

Procedure #10 273

Restoring Factory Configuration 274

Chapter 9 - Parts List 276

Exploded View 276

Removing the chassis 281

Chapter 10 - Configuration via Honeywell EasySet 282

Communications Setup 283

Upload 288

Offline Configuration 290

Download 293

Online Configuration 294

Maintenance Data 298

About EasySet 301

Firmware update through Easyset App 302

Transfer configuration from the legacy device to the UDC2800 306

Contents

Chapter 11 - Modbus RTU Function Codes 20&21 314

General Information 314

Function Code 20 (14h) - Read Configuration Reference Data 317

Request and Response Formats 317

Byte Count 317

Data Byte Count 317

Reference Type Definitions 318

File Number 318

Read Configuration Examples 318

Function Code 21 (15h) - Write Configuration Reference Data 320

Write Restrictions 320

Request and Response Formats 320

Reference Type Definitions 321

File Number 321

Unrestricted Registers 322

Restrictions on Parameter Numbers in One Message 322

Write Configuration Examples 322

Modbus Read, Write and Override Parameters 323

General Information 323

Reading Control Data 324

Read Software Options Status 325

Miscellaneous Read Onlys 326

Setpoints 327

Using a Computer Setpoint (Overriding Controller Setpoint) 328

Configuration Parameters 330

Chapter 12 - Standard Modbus Read, Write and Override Parameters 374

Modbus RTU Message Format 375

Contents

Modbus RTU Function Codes 375

Digital Output Register Map 377

Digital Input Register Map 378

Loop Value Integer Register Map 378

Loop Value Register Map 386

Analog Input Register Map 391

Math, Calculated Value, or Variable Register Map 392

Math or Calculated Value Status Register Map 392

Shed Timer Reset Register Map 392

Alarm Status Register Map 393

Alarm Set Point Value Register Map 393

Set Point Program Value Register Map 394

SP Program 2 395

SP Program 3 397

SP Program 4 399

SP Program 5 400

SP Program 6 402

SP Program 7 404

SP Program 8 406

Set Point Program Additional Values Register Map 407

SP Program 2 409

SP Program 3 411

SP Program 4 413

SP Program 5 415

SP Program 6 417

SP Program 7 419

SP Program 8 420

Set Point Program Segment Map 422

Contents

Segment Register Map 425

Example for Determining a Segment Register 426

Chapter 13 - Modbus Communication Exception Codes 427

Introduction 427

Query 428

Response 428

Chapter 14 - Ethernet TCP/IP 429

Notices 431

Contents

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