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.
Copyright 2022 - Honeywell International Sàrl
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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
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Contents

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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
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Contents

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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
Register Address 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
Register Address 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
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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
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Contents