Rockwell Automation Allen-Bradley Micro820 Manuale utente

User Manual Original Instructions

Micro820 Programmable

Controllers

Catalog Numbers 2080-LC20-20QWB, 2080-LC20-20QBB,

2080-LC20-20AWB, 2080-LC20-20QWBR, 2080-LC20-20QBBR,

2080-LC20-20AWBR

2Rockwell Automation Publication 2080-UM005G-EN-E - December 2023

Micro820 Programmable Controllers User Manual

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you

install, configure, operate, or maintain this product. Users are required to familiarize themselves with installation and wiring instructions in addition to

requirements of all applicable codes, laws, and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to be carried out by suitably trained

personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many variables and requirements associated with any

particular installation, Rockwell Automation, Inc. cannot assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

These labels may also be on or inside the equipment to provide specific precautions.

The following icon may appear in the text of this document.

Rockwell Automation recognizes that some of the terms that are currently used in our industry and in this publication are not in alignment with the

movement toward inclusive language in technology. We are proactively collaborating with industry peers to find alternatives to such terms and

making changes to our products and content. Please excuse the use of such terms in our content while we implement these changes.

WARNING: Identifies information about practices or circumstances that can cause an explosion in a hazardous environment, which

may lead to personal injury or death, property damage, or economic loss.

ATTENTION: Identifies information about practices or circumstances that can lead to personal injury or death, property damage,

or economic loss. Attentions help you identify a hazard, avoid a hazard, and recognize the consequence.

IMPORTANT Identifies information that is critical for successful application and understanding of the product.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage

may be present.

BURN HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach

dangerous temperatures.

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to potential Arc

Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL Regulatory

requirements for safe work practices and for Personal Protective Equipment (PPE).

Identifies information that is useful and can help to make a process easier to do or easier to understand.

Rockwell Automation Publication 2080-UM005G-EN-E - December 2023 3

Table of Contents

Preface

About This Publication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Conformal Coated Catalogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Download Firmware, AOP, EDS, and Other Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Summary of Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Chapter 1

Hardware Overview Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Inputs and Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Embedded microSD Card Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Embedded RS-232/RS-485 Serial Port Combo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Embedded Ethernet Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Chapter 2

About Your Controller Programming Software for Micro800 Controllers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Obtain Connected Components Workbench Software . . . . . . . . . . . . . . . . . . . . . . . . . 13

Use Connected Components Workbench Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Controller Changes in Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Using Run Mode Change (RMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Uncommitted Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

RMC Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Limitations of RMC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Using Run Mode Configuration Change (RMCC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Using Modbus RTU Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Using EtherNet/IP Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Daylight Saving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Disconnecting Main Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Safety Circuits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Power Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Periodic Tests of Master Control Relay Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Power Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Isolation Transformers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Power Supply Inrush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Loss of Power Source. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Input States on Power Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Other Types of Line Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Preventing Excessive Heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Master Control Relay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Using Emergency-stop Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chapter 3

Install Your Controller Controller Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Module Spacing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

4Rockwell Automation Publication 2080-UM005G-EN-E - December 2023

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DIN Rail Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Panel Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Panel Mounting Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Connect the Controller to an EtherNet/IP Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Install the microSD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Install the 2080-REMLCD Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Chapter 4

Wire Your Controller Wiring Requirements and Recommendation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Wire Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Use Surge Suppressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Recommended Surge Suppressors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Grounding the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Wiring Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Controller I/O Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Minimize Electrical Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Analog Channel Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Minimize Electrical Noise on Analog Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Grounding Your Analog Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Wiring Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Wiring Analog Channels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Chapter 5

Communication Connections Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Supported Communication Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Modbus RTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

CIP Serial Client/Server – RS-232 only. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

ASCII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Modbus TCP Client/Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

CIP Symbolic Client/Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

CIP Client Messaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Sockets Client/Server TCP/UDP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

CIP Communications Pass-thru. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Examples of Supported Architectures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Use Modems with Micro800 Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Making a DF1 Point-to-Point Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Construct Your Own Modem Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Configure Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Configure CIP Serial Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Configure Modbus RTU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Configure ASCII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Configure Ethernet Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Validate IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Ethernet Host Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

OPC Support Using FactoryTalk Linx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Rockwell Automation Publication 2080-UM005G-EN-E - December 2023 5

Table of Contents

Chapter 6

Program Execution in Micro800 Overview of Program Execution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Execution Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Optional Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Controller Load and Performance Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Periodic Execution of Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Power Up and First Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Variable Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Memory Allocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Guidelines and Limitations for Advanced Users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Chapter 7

Controller Security Operation Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Exclusive Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Password Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Work with a Locked Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Upload from a Password-Protected Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Debug a Password-Protected Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Download to a Password-Protected Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Transfer Controller Program and Lock Receiving Controller . . . . . . . . . . . . . . . . . . . . 67

Back Up and Restore a Password-Protected Controller. . . . . . . . . . . . . . . . . . . . . . . . 68

Configure Controller Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Recover from a Lost Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Chapter 8

Using the Micro800 Remote LCD Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

USB Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Text Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Startup Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Navigate the Remote LCD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Main Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

User-defined Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Backup and Restore. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

ASCII Code for Special Characters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Chapter 9

Using microSD Cards Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Project Backup and Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Backup and Restore Directory Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Power-up Settings in ConfigMeFirst.txt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

General Configuration Rules in ConfigMeFirst.txt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

ConfigMeFirst.txt Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Deliver Project Updates to Customers Through Email . . . . . . . . . . . . . . . . . . . . . . . . . 83

Datalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Datalog Directory Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Datalog Function (DLG) Block. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Recipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

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Recipe Directory Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Recipe Function (RCP) Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Quick Start Projects for Datalog and Recipe Function Blocks . . . . . . . . . . . . . . . . . . . . . . . 93

Use the Recipe Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Appendix A

Modbus Mapping for Micro800

Controllers

Modbus Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Endian Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

Mapping Address Space and supported Data Types . . . . . . . . . . . . . . . . . . . . . . . . . 103

Example 1, PanelView Component HMI (Master) to Micro800 (Slave) . . . . . . . . . . . . . 104

Example 2, Micro800 (Master) to PowerFlex 4M Drive (Slave) . . . . . . . . . . . . . . . . . . 105

Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Appendix B

Troubleshooting Status Indicators on the Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Fault Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Corrective Action for Recoverable and Non-recoverable Faults . . . . . . . . . . . . . . . . 115

Retrieve a Fault Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Controller Error Recovery Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Calling Rockwell Automation for Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Appendix C

Quick Starts Update Your Micro800 Controller Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Firmware Update From microSD Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Establish Communications between RSLinx and a Micro820 Controller Through USB . . . 121

Configure Controller Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Set Controller Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125

Change Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Clear Password. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Forcing I/Os . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Checking if Forces (locks) are Enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

I/O Forces After a Power Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Using Run Mode Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Create the Project. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Edit the Project Using Run Mode Change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Appendix D

PID Function Blocks PID Function Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136

IPIDCONTROLLER Function Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

How to Auto Tune. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

How Auto Tune Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Troubleshooting an Auto Tune Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

PID Application Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145

Rockwell Automation Publication 2080-UM005G-EN-E - December 2023 7

Preface

About This Publication Use this manual if you are responsible for designing, installing, programming, or troubleshooting

control systems that use Micro800™ controllers.

This manual is a reference guide for Micro820® controllers. It describes the procedures you use to

install, wire, and troubleshoot your controller. This manual:

• Explains how to install and wire your controllers.

• Gives you an overview of the Micro800 controller system.

See the Online Help provided with Connected Components Workbench™ software for more

information on programming your Micro800 controller.

You should have a basic understanding of electrical circuitry and familiarity with relay logic. If you

do not, obtain the proper training before using this product.

Conformal Coated Catalogs Catalog numbers with the suffix ‘K’ are conformal coated and their specifications are the same as

non-conformal coated catalogs.

Download Firmware, AOP,

EDS, and Other Files

Download firmware, associated files (such as AOP, EDS, and DTM), and access product release

notes from the Product Compatibility and Download Center at rok.auto/pcdc.

Summary of Changes This publication contains the following new or updated information. This list includes substantive

updates only and is not intended to reflect all changes.

Additional Resources These documents contain additional information concerning related products from Rockwell

Automation. You can view or download publications at rok.auto/literature.

Topic Page

Updated template throughout

Added statement on inclusive language Important User

Information

Added Daylight Saving section 22

Added Operation Mode section 65

Additional Resources

Resource Description

Micro800 Programmable Controller Family Selection Guide,

publication 2080-SG001 Provides information to help you select the Micro800 controller, plug-ins, expansion I/O, and

accessories, based on your requirements.

Micro800 Programmable Controllers Technical Data, publication 2080-TD001 Provides detailed specifications for Micro800 controllers, expansion I/O modules, plug-in

modules, and accessories.

Micro800 Plug-in Modules User Manual, publication 2080-UM004 Provides information on features, configuration, installation, wiring, and specifications for the

Micro800 plug-in modules.

Micro800 Programmable Controllers General Instructions Reference Manual,

publication 2080-RM001 Provides nformation on instruction sets for developing programs for use in Micro800 control

systems.

Micro800 Programmable Controllers: Getting Started with CIP Client Messaging

Quick Start, publication 2080-QS002 Provides quick start instructions for using CIP GENERIC and CIP Symbolic Messaging.

Micro800 Programmable Controllers: Getting Started with PanelView Plus Quick

Start, publication 2080-QS003 Provides quick start instructions for using global variables for Micro800 controllers together with

PanelView™ Plus HMI terminals.

Configuring Micro800 Controllers on FactoryTalk Linx Gateway Quick Start,

publication 2080-QS005 Provides quick start instructions for configuring a Micro800 controller on FactoryTalk Linx

Gateway.

Micro800 Programmable Controllers Installation Instructions,

publication 2080-IN013 Provides information on mounting and wiring Micro800 Controllers.

Micro800 RS-232/RS-485 Isolated Serial Port Plug-in Module Wiring Diagrams,

publication 2080-WD002 Provides nformation on mounting and wiring the Micro800 RS-232/485 Isolated Serial Port Plug-

in Module.

Micro800 Non-isolated Unipolar Analog Input Plug-in Module Wiring Diagrams,

publication 2080-WD003 Information on mounting and wiring the Micro800 Non-isolated Unipolar Analog Input Plug-in

Module.

8Rockwell Automation Publication 2080-UM005G-EN-E - December 2023

Preface

You can download the latest version of Connected Components Workbench software for your

Micro800 controller at rok.auto/ccw.

Micro800 Non-isolated Unipolar Analog Output Plug-in Module Wiring Diagrams,

publication 2080-WD004 Information on mounting and wiring the Micro800 Non-isolated Unipolar Analog Output Plug-in

Module.

Micro800 Non-isolated RTD Plug-in Module Wiring Diagrams,

publication 2080-WD005 Provides information on mounting and wiring the Micro800 Non-isolated RTD Plug-in Module.

Micro800 Non-isolated Thermocouple Plug-in Module Wiring Diagrams,

publication 2080-WD006 Provides information on mounting and wiring the Micro800 Non-isolated Thermocouple Plug-in

Module.

Micro800 Remote LCD Installation instructions, publication 2080-IN010 Provides information on mounting and wiring the Micro800 remote LCD module.

Micro800 6-Channel Trimpot Analog Input Plug-In Module Wiring Diagrams,

publication 2080-WD008 Provides information on mounting and wiring the Micro800 6-Channel Trimpot Analog Input Plug-

In Module.

Micro800 Digital Relay Output Plug-in Module Wiring Diagrams,

publication 2080-WD010 Provides information on mounting and wiring the Micro800 Digital Relay Output Plug-in Module.

Micro800 Digital Input, Output, and Combination Plug-in Modules Wiring

Diagrams, publication 2080-WD011 Provides information on mounting and wiring the Micro800 Digital Input, Output, and Combination

Plug-in Modules.

Micro800 High Speed Counter Plug-in Module Wiring Diagrams,

publication 2080-WD012 Provides information on mounting and wiring the High Speed Counter Plug-in module.

Micro800 DeviceNet Plug-in Module Wiring Diagrams, publication 2080-WD013 Provides information on mounting and wiring the Micro800 DeviceNet plug-in module.

EtherNet/IP Network Devices User Manual, publication ENET-UM006 Describes how to configure and use EtherNet/IP devices to communicate on the EtherNet/IP

network.

Ethernet Reference Manual, publication ENET-RM002 Describes basic Ethernet concepts, infrastructure components, and infrastructure features.

System Security Design Guidelines Reference Manual, publication SECURE-RM001 Provides guidance on how to conduct security assessments, implement Rockwell Automation

products in a secure system, harden the control system, manage user access, and dispose of

equipment.

UL Standards Listing for Industrial Control Products, publication CMPNTS-SR002 Assists original equipment manufacturers (OEMs) with construction of panels, to help ensure that

they conform to the requirements of Underwriters Laboratories.

American Standards, Configurations, and Ratings: Introduction to Motor Circuit

Design, publication IC-AT001 Provides an overview of American motor circuit design based on methods that are outlined in the

NEC.

Industrial Components Preventive Maintenance, Enclosures, and Contact Ratings

Specifications, publication IC-TD002 Provides a quick reference tool for Allen-Bradley industrial automation controls and assemblies.

Safety Guidelines for the Application, Installation, and Maintenance of Solid-state

Control, publication SGI-1.1

Designed to harmonize with NEMA Standards Publication No. ICS 1.1-1987 and provides general

guidelines for the application, installation, and maintenance of solid-state control in the form of

individual devices or packaged assemblies incorporating solid-state components.

Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 Provides general guidelines for installing a Rockwell Automation industrial system.

Product Selection and Configuration webpage, rok.auto/systemtools Helps configure complete, valid catalog numbers and build complete quotes based on detailed

product information.

Product Certifications website, rok.auto/certifications Provides declarations of conformity, certificates, and other certification details.

Additional Resources (Continued)

Resource Description

Rockwell Automation Publication 2080-UM005G-EN-E - December 2023 9

Chapter 1

Hardware Overview

This chapter provides an overview of the Micro820 hardware features.

Hardware Features Micro820 controllers are 20-point economical brick style controllers with embedded inputs and

outputs. These controllers can accommodate up to two plug-in modules and can connect to a

remote LCD (2080-REMLCD) for configuring. The Micro820 controller also has a microSD™ card slot

for project backup and restore, and datalog and recipe. Only Allen-Bradley® microSD cards,

2080-SD-2GB are supported.

For information on the REMLCD module, see Using the Micro800 Remote LCD on page 69.

The controller also accommodates any class 2 rated 24V DC output power supply that meets

minimum specifications such as the optional Micro800 power supply.

IMPORTANT The Micro820 controller supports all Micro800 plug-in modules, except for

2080-MEMBAK-RTC and 2080-MEMBAK-RTC2.

For more information, see the Micro800 Plug-in Modules User Manual,

publication 2080-UM004.

10 Rockwell Automation Publication 2080-UM005G-EN-E - December 2023

Chapter 1 Hardware Overview

Micro820 Controllers

Status Indicators

Micro820 Controller Description

Description Description

1 Optional power supply slot 8 Mounting feet

2 Plug-in latch 9 RJ45 Ethernet connector port

3 Mounting screw hole 10 Power supply

4 40-pin high-speed plug-in connector slot 11 Status indicators

5 microSD (Micro Secure Digital) card slot 12 RS-232/RS-485 non-isolated combo Serial ports

6 Removable/fixed terminal blocks 13 Removable/fixed terminal blocks

7 DIN rail mounting latch

Micro820 Controller Status Indicator Description(1)

(1) For detailed description of the different status indicators, see Troubleshooting on page 109.

Description Description

1 Input status 5 Fault status

2 Run status 6 Comm status

3 Force status 7 SD status

4 ENET status 8 Output status

ATTENTION: Removable terminal blocks are available on catalog numbers that

end in R (for example, 2080-LC20-20QBBR). Fixed terminal blocks are available on

catalog numbers that do not end in R (for example, 2080-LC20-20QBB).

You can order a replacement terminal block, catalog number 2080-RPL24RTB,

separately.

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