Omron E5EZ - User Manual

Other manuals for Omron E5EZ

Questions and Answers:

K
Kristy FigueroaAug 8, 2025
What to do if the Omron E5EZ shows a large temperature error or S.Err display?
- D
  danaknoxAug 8, 2025
  If you are experiencing a large temperature error or seeing an 'S.Err' display on your Omron Temperature Controller, it could be due to a mismatch in the input type setting. To resolve this, verify the sensor type you are using and then reset the input type on the controller to match. Another potential cause is improper installation of the thermometer. Double-check the thermometer's installation location and polarity, ensuring it is correctly installed.
M
Michael GonzalezAug 16, 2025
What to do if Omron Controller shows A/D converter error?
- D
  Diane MayerAug 16, 2025
  If an A/D converter error occurs, first note the error, then reset the power to the Omron Controller. If the display does not change, the Controller may need replacement. If resetting the power removes the error, it is possible that the error was caused by noise. In this case, check for potential sources of noise.
S
Samantha ClarkAug 23, 2025
What to do if Omron Controller shows memory error?
- J
  Jason HallAug 23, 2025
  If a memory error occurs, reset the power to the Omron Controller. If the display doesn't change after resetting the power, replacement of the unit is necessary. However, if the error is removed, it's possible that the original error was caused by noise. In that case, check the surrounding environment for potential noise sources.
B
baldwinaaronAug 30, 2025
How to troubleshoot input error on Omron Controller?
- R
  Ronald CampbellAug 30, 2025
  To troubleshoot an input error on the Omron Controller, verify that the input wiring is correct, ensuring there are no disconnections or short-circuits. Also, confirm that the input type is correct. Note that thermocouple input short-circuits cannot be detected.

Omron E5EZ Specifications

General

Control Method	PID, ON/OFF
Number of Alarms	2
Input Type	Thermocouple, RTD
Control Output	Relay, Current
Display Type	LCD
Power Supply	100 to 240 VAC, 24 VAC/VDC
Temperature Range	Depends on sensor type
Communication	RS-485
Alarm Output	Relay
Mounting	Panel mounting
Number of Control Outputs	1 or 2
Ambient Operating Temperature	-10 to 55 °C
Protection Rating	IP66

Summary

Preface

Visual Aids

Explains symbols used for locating information in the manual.

Read and Understand this Manual

Application Considerations

SUITABILITY FOR USE

Discusses product suitability for customer applications and potential risks.

Disclaimers

CHANGE IN SPECIFICATIONS

Product specifications and accessories may change without notice.

Safety Precautions

Definition of Precautionary Information

Explains the notation used for safety precautions in the manual.

Symbols

Lists symbols used for cautions, prohibitions, and mandatory cautions.

CAUTION (Electrical Safety)

Provides safety precautions for electrical shock, fire, and product handling.

CAUTION (Installation and Operation)

Lists safety precautions for terminal tightening, parameter settings, and product installation.

Precautions for Safe Use

Ensuring Measurement Accuracy

Waterproofing

Details the degree of protection (IP ratings) for different controller models.

Preparations for Use

Purchasing the product

Checks product appearance and specifications after purchase.

Wiring

Covers terminal wiring and power supply input connections.

Operating environment

Addresses ambient temperature, vibration, shock, and foreign particles.

Upgraded Functions

E5 CZ

Notes upgrades in E5CZ models manufactured from October 2008.

E5 AZ;EZ

Notes upgrades and changes in E5AZ/EZ models, including terminal arrangements.

Ratings

Power consumption

Lists power consumption for different models in previous and improved versions.

Sensor input

Details sensor input types and specifications for previous and improved models.

Control output 1

Details specifications for relay, voltage, and current control outputs.

Display method

Describes the difference in display methods between previous and improved models.

Other Functions

Communications Specifications

Details communications protocols and baud rates for previous and improved models.

Heater Burnout;HS Alarm Characteristics

Compares maximum heater current and HS alarm features.

Conventions Used in This Manual

Meanings of Abbreviations

Defines abbreviations used in parameter names, figures, and text explanations.

About this Manual:

Overview

Section 1 introduces features, components, and specifications.

Setup

Section 2 describes installation and wiring preparation.

Basic Operations

Section 3 covers basic operations and parameter settings.

Operations for Applications

Section 4 details scaling and special functions.

SECTION 1 Introduction

1-1 Names of Parts

Details the components of the temperature controller, including front panel, indicators, and keys.

1-2 I;O Configuration and Main Functions

Outlines the input/output configuration and primary functions of the controllers.

1-3 Setting Level Configuration and Key Operations

Covers the process of configuring setting levels and operating keys.

1-4 Communications Function

Details the controller's communications capabilities.

SECTION 2 Preparations

2-1 Installation

Describes the dimensions, panel cutout, mounting, and removal of the controller.

2-2 Wiring Terminals

Covers terminal arrangement, wiring precautions, and connection diagrams.

2-3 Using the Support Software Port

Explains how to connect the controller to a PC using support software and a conversion cable.

SECTION 3 Basic Operation

3-1 Initial Setting Examples

Provides typical examples of initial hardware setup and parameter configuration.

3-2 Setting the Input Type

Guides on setting the input type to match the connected sensor.

3-3 Selecting the Temperature Unit

Explains how to select the temperature unit (°C or °F).

3-4 Selecting PID Control or ON;OFF Control

Details the selection between 2-PID and ON/OFF control methods.

3-5 Setting Output Specifications

Covers setting control periods, direct/reverse operation, and output assignments.

3-6 Setting the Set Point (SP)

Guides on changing the set point value and using Multi-SP.

3-7 Using ON;OFF Control

Explains ON/OFF control operation, hysteresis, and settings.

3-8 Determining PID Constants (AT, ST, Manual Setup)

Details methods for determining PID constants using AT, ST, and manual setup.

3-9 Alarm Outputs

Describes alarm types, values, and output operations.

3-10 Using HB and HS Alarms

Explains the operation and settings for Heater Burnout and HS alarms.

SECTION 4 Applications Operations

4-1 Shifting Input Values

Guides on applying one-point and two-point shifts to input values.

4-2 Alarm Hysteresis

Explains how to set alarm hysteresis for ON/OFF switching.

4-3 Setting Scaling Upper and Lower Limits for Analog Inputs

Details setting scaling limits for analog inputs for display conversion.

4-4 Executing Heating;Cooling Control

Covers setting up and executing heating/cooling control operations.

4-5 Using Event Inputs

Explains how to use event inputs for functions like multi-SP and RUN/STOP.

4-6 Setting the SP Upper and Lower Limit Values

Guides on setting set point limiters to prevent abnormal temperatures.

4-7 Using the SP Ramp Function to Limit the SP Change Rate

Details the SP ramp function for restricting set point change rates.

4-8 Moving to the Advanced Function Setting Level

Explains how to access the advanced function setting level by canceling protection.

4-9 Using the Key Protect Level

Covers the use of key protect levels to prevent parameter modification.

4-10 Alarm Delays

Explains setting ON and OFF delays for alarm outputs.

4-11 Loop Break Alarm

Details the Loop Break Alarm (LBA) function for detecting control loop errors.

4-12 Performing Manual Control

Guides on performing manual operation by setting the manipulated variable.

SECTION 5 Parameters

5-1 Conventions Used in this Section

Explains conventions for parameters, icons, displays, and descriptions.

5-2 Protect Level

Describes the three levels of key protection: operation/adjustment, initial setting/communications, and setting change.

5-3 Operation Level

Explains how to perform control operations, set alarm values, and monitor variables.

5-4 Adjustment Level

Details parameters for AT, PID control, and heating/cooling control.

5-5 Manual Control Level

Explains how to set the manipulated variable in manual mode.

5-6 Initial Setting Level

Covers basic controller specifications like input type, range limits, and alarm modes.

5-7 Advanced Function Setting Level

Details parameters for optimizing controller performance and advanced functions.

5-8 Communications Setting Level

Explains how to set communications parameters for host computer connection.

Appendix A

Specifications

Lists ratings, supply voltage, power consumption, sensor inputs, and control outputs.

HB and HS Alarms (for Controller with Heater Burnout and HS Alarms)

Details characteristics like indication accuracy, temperature influence, and hysteresis.

External Dimensions

Provides external dimension drawings for E54-CT1 and E54-CT3 current transformers.

E58-CIFQ1 USB-Serial Conversion Cable

Lists specifications, compatible OS, and appearance of the USB-Serial conversion cable.

Error Displays

Describes error codes like Input Error, Display Range Exceeded, and their meanings.

Troubleshooting

Lists common problems, their status, meaning, and countermeasures.

Parameter Operation Lists

Lists parameters, characters, settings, display, default, unit, and set value.

Parameter Flow

Illustrates the flow between different setting levels and parameters.

Setting Levels Diagram

Shows the hierarchy and navigation between setting levels.

Related product manuals

Omron E5EZ - User Manual

Table of Contents

Other manuals for Omron E5EZ

Questions and Answers:

Omron E5EZ Specifications

Summary

Preface

Visual Aids

Read and Understand this Manual

Application Considerations

SUITABILITY FOR USE

Disclaimers

CHANGE IN SPECIFICATIONS

Safety Precautions

Definition of Precautionary Information

Symbols

CAUTION (Electrical Safety)

CAUTION (Installation and Operation)

Precautions for Safe Use

Ensuring Measurement Accuracy

Waterproofing

Preparations for Use

Purchasing the product

Wiring

Operating environment

Upgraded Functions

E5 CZ

E5 AZ;EZ

Ratings

Power consumption

Sensor input

Control output 1

Display method

Other Functions

Communications Specifications

Heater Burnout;HS Alarm Characteristics

Conventions Used in This Manual

Meanings of Abbreviations

About this Manual:

Overview

Setup

Basic Operations

Operations for Applications

SECTION 1 Introduction

1-1 Names of Parts

1-2 I;O Configuration and Main Functions

1-3 Setting Level Configuration and Key Operations

1-4 Communications Function

SECTION 2 Preparations

2-1 Installation

2-2 Wiring Terminals

2-3 Using the Support Software Port

SECTION 3 Basic Operation

3-1 Initial Setting Examples

3-2 Setting the Input Type

3-3 Selecting the Temperature Unit

3-4 Selecting PID Control or ON;OFF Control

3-5 Setting Output Specifications

3-6 Setting the Set Point (SP)

3-7 Using ON;OFF Control

3-8 Determining PID Constants (AT, ST, Manual Setup)

3-9 Alarm Outputs

3-10 Using HB and HS Alarms

SECTION 4 Applications Operations

4-1 Shifting Input Values

4-2 Alarm Hysteresis

4-3 Setting Scaling Upper and Lower Limits for Analog Inputs

4-4 Executing Heating;Cooling Control

4-5 Using Event Inputs

4-6 Setting the SP Upper and Lower Limit Values

4-7 Using the SP Ramp Function to Limit the SP Change Rate

4-8 Moving to the Advanced Function Setting Level

4-9 Using the Key Protect Level

4-10 Alarm Delays

4-11 Loop Break Alarm

4-12 Performing Manual Control

SECTION 5 Parameters

5-1 Conventions Used in this Section

5-2 Protect Level

5-3 Operation Level