Honeywell UDC2800 User manual

UDC2800 Universal Digital Controller

Limit Control Model

Release 110.3

Product Manual

51-52-25-165

Revision 1.0

December 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

Chapter 1 - About this guide 9

Chapter 2 - Introduction 11

Overview 12

Operator Interface 14

Function of Displays 14

Function of Keys 16

Mobile Device App 18

Configuration Tool via Bluetooth 19

CE Conformity (Europe) 20

North America 21

FCC 22

Chapter 3 - Installation 24

Overview 25

Condensed Specifications 25

Model Number Interpretation 31

Limit and Alarm Relay Contact Information 35

Mounting 37

Physical Considerations 37

Overall Dimensions 38

Dimensions and Mounting 38

Mounting Method 39

Mounting Procedure 40

Wiring 41

Electrical Considerations 41

Wiring Diagrams 43

Identify Your Wiring Requirements 43

Wiring the Controller 43

Limit Control Application Diagram 53

Chapter 4 - Configuration 54

Overview 55

Configuration Prompt Hierarchy 55

Configuration Procedure 57

Security Set Up Group 58

Limit Set Up Group 61

Input 1 Set Up Group 62

Options Set Up Group 67

Communications Group 69

Alarms Set Up Group 73

Display Set Up Group 79

Input1 Calib Set Up Group 80

Auxiliary Calib Set Up Group 81

Configuration Record Sheet 82

Chapter 5 - Operating the Limit Controller 85

Overview 86

Operator Interface 86

Entering a Security Code 87

Lockout Feature 88

Monitoring Your Controller 88

Annunciators 88

Viewing the operating parameters 89

Diagnostic Messages 90

Start Up Procedure for Operation 91

Setpoints 91

Alarm Setpoints 93

Chapter 6 - Input Calibration 95

Overview 96

Minimum and Maximum Range Values 97

Preliminary Information 100

Input 1 Set up Wiring 101

Input 1 Calibration Procedure 104

Restore Input Factory Calibration 107

Chapter 7 - Output Calibration 110

Overview 111

Auxiliary Output Calibration 111

Restore Output Factory Calibration 114

Chapter 8 - Troubleshooting/Service 117

Overview 118

Troubleshooting Aids 119

Power-up Tests 120

Status Tests 121

Background Tests and Diagnostic 122

Controller Failure Symptoms 126

Troubleshooting Procedures 127

Procedure #1 127

Procedure #2 128

Procedure #3 130

Procedure #4 130

Procedure #5 131

Procedure #6 132

Restoring Factory Configuration 133

Chapter 9 - Parts List 135

Exploded View 136

Removing the chassis 141

Chapter 10 - Configuration via Honeywell EasySet 142

Overview 143

Communications Setup 144

Upload Configuration 149

Offline Configuration 151

Export configuration 154

Import configuration 156

Download 157

Online Configuration 158

Maintenance Data 162

About EasySet 167

Firmware update through Easyset app 167

Transfer configuration from the legacy device to the UDC2800 172

Chapter 11 - Modbus RTU Function Codes 179

Overview 180

General Information 180

Function Code 20 (14h) - Read Configuration Reference Data 183

Read Configuration Examples 185

Function Code 21 (15h) - Write Configuration Reference Data 186

Write Configuration Examples 189

Modbus Read, Write and Override Parameters plus Exception

Codes 189

Overview 190

Reading Control Data 192

Read Software Options Status 192

Miscellaneous Read Only 193

Setpoints 194

Using a Computer Setpoint (Overriding Controller Setpoint) 194

Configuration Parameters 196

Chapter 12 - Standard Modbus Read, Write and Override Parameters 208

Modbus RTU Message Format 209

Modbus RTU Function Codes 209

Digital Output Register Map 211

Digital Input Register Map 212

Loop Value Integer Register Map 212

Loop Value Register Map 215

Analog Input Register Map 217

Math, Calculated Value, or Variable Register Map 218

Math or Calculated Value Status Register Map 218

Shed Timer Reset Register Map 219

Alarm Status Register Map 219

Alarm Set Point Value Register Map 219

Chapter 13 - Modbus Communication Exception Codes 221

Introduction 222

Query 223

Response 223

Chapter 14 - Ethernet TCP/IP 224

Overview 225

Notices 226

CHAPTER

1ABOUT THIS GUIDE

Abstract

This document provides descriptions and procedures for the

Installation, Configuration, Operation, and Troubleshooting of your

controller.

Revision history

Revision Date Document ID Description

1.0 December 2022 51-52-25-165 Initial release of this document

Special Terms

The following table lists those symbols used in this document to

denote certain conditions.

Symbol Definition

PIE Process Instrument Explorer

PV Process Variable

RTD Resistance Temperature Detector

SP Setpoint

SPDT Single-Pole Double-Throw

SPDT Single-Pole Single-Throw

TC Thermocouple

TFT Thin Film Transistor

UDC Universal Digital Controller

References

The following list identifies all documents that may be sources of

reference for material discussed in this publication.

nHow to Apply Digital Instrumentation in Severe Electrical Noise

Environments: 51-52-05-01

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