Omron E5EK PROGRAMMABLE TYPE User manual

User's Manual

Cat. No. H089-E1-02

Digital Controller

(Programmable Type)

E5EK

The E5EK-T is a high-performance programmable digital controller. The E5EK-T

allows the user to carry out the following:

•Set program patterns to each step by time or ramp rise rate

•Execute advance, hold and reset step operations

•Execute continuous operation of all patterns and repeated operation of same pat-

terns

•Check the start of each step or program end time by signals.

•Count time from the beginning of each step (time signal)

•Select from many types of temperature and analog input (multi-input)

•Support position-proportional control (position-proportional type controllers only)

•Select output functions such as control output or alarm output (output assign-

ment)

•Use the HBA (heater burnout alarm) function (standard type controllers only)

•Monitor the control loop by LBA (Loop Break Alarm)

•Use the communications function

•Calibrate input or transfer output

•The E5EK-T also features a watertight construction (NEMA4: equivalent to

IP66).

This User’s Manual describes how to use the E5EK-T.

Before using your E5EK-T thoroughly read and understand this manual in order to

ensure correct use.

Also, store this manual in a safe place so that it can be retrieved whenever neces-

sary.

PRECAUTIONS IN USING THE PRODUCT

When the product is used under the circumstances or environment below, ensure

adherence to limitations of the ratings and functions. Also, take countermeasures

for safety precautions such as fail-safe installations.

(1) Use under circumstances or environments which are not described in this user’s manual.

(2) Use for nuclear power control, railway, air craft, vehicle, incinerator, medical equipment, enter-

tainment equipment, safety device, etc.

(3) Use for applications where death or serious property damage is possible and extensive safety

precautions are required.

About this manual

mitted, in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, with-

out the prior written permission of OMRON.

(2) Moreover, because OMRON is constantly striving to improve its high-quality products, the information in

this manual is subject to change without notice.

(3) Every precaution has been taken in the preparation of this manual. Nevertheless, if you find any errors or

omissions, please contact the branch of OMRON or sales office listed at the end of this manual, and inform

them of the catalog No. on the front cover.

Preface

E5EK

JMeanings of Abbreviations

Sometimes the following abbreviations are used in parameter names, figures and in text ex-

planations. These abbreviations mean the following:

Symbol Term

PV Process value

SP (Present) set point *1

LBA Loop break alarm

HB Heater burnout

AT Auto-tuning

EU Engineering unit *2

*1 In program pattern diagrams, the present SP is indicated.

*2 _C, m, g and other units are indicated for scaled data. However, “EU” is used as the mini-

mum unit for the data. For example, for “50.02 (m)”, 1EU is taken as the minimum unit

0.01 (m).

JHow to Read Display Symbols

The following tables show the correspondence between the symbols displayed on the displays

and alphabet characters.

ABCDEFGHI J KL M

NOPQRSTUVWXYZ

J“Reference” mark

This mark indicates that extra, useful information follows, such as supplementary explana-

tions and how to apply functions.

Conventions Used in This Manual

E5EK

III

JHow This Manual is Organized

Purpose Title Description

DLearning about the gener-

al features of the E5EK-T

Chapter 1 INTRODUC-

TION

This chapter describes the fea-

tures of the E5EK-T, names of

parts, and typical functions.

DSetting up Chapter 2 PREPARA-

TIONS

This chapter describes the op-

erations that you must carry

out (e.g. installation, wiring and

switch settings) before you can

use the E5EK-T.

DBasic E5EK-T operations Chapter 3 BASIC OPERA-

TION

Chapter 5 PARAMETERS

These chapters describe using

basic control examples how to

use the front panel keys and

how to view the display when

setting the parameters of the

major functions for the E5EK-T.

DApplied E5EK-T opera-

tions

Chapter 4 APPLIED OP-

ERATION

Chapter 5 PARAMETERS

These chapters describes the

important functions of the

E5EK-T and how to use the pa-

rameters for making full use of

the E5EK-T.

DUsing a Position-propor-

tional type controller

Chapter 4 APPLIED OP-

ERATION

/4.1 Selecting the Control

Method

This chapter describes how to

use the functions related specifi-

cally to position-proportional

type controllers.

DCommunications with a

host computer

Chapter 6 USING THE

COMMUNICATIONS

FUNCTION

This chapter mainly describes

how to use the communications

commands, and gives program

examples.

DCalibration Chapter 7 CALIBRATION This chapter describes how the

user should calibrate the E5EK-

DTroubleshooting Chapter 8 TROUBLE-

SHOOTING

This chapter describes what to

do if any problems occur.

E5EK

PRECAUTIONS ON SAFETY

FMarks For Ensuring Safe Use and Their Meanings

This manual uses the following marks to indicate precautions for ensuring that the

E5EK-T is used safely.

The precautions indicated below describe important information regarding safety.

Be sure to follow the instructions described in these precautions.

WARNING Incorrect handling may cause death or injury.

WARNING

Do not touch the terminals while the power is

ON.

This may cause an electric shock.

E5EK

NOTICE

Be sure to observe these precautions to ensure safe use.

FDo not use the product in places where explosive or flammable gases may be present.

FNever disassemble, repair or modify the product.

FTighten the terminal screws properly.

FUse the specified size of solderless terminals for wiring.

FUse the product within the rated supply voltage.

FUse the product within the rated load.

FThe life expectancy of the output relay varies considerably according to its switching capacity

and operating conditions. Be sure to use the output relay within its rated load and electrical life

expectancy. If the output relay is used beyond its life expectancy, its contacts may become fused or

burned.

FIf you remove the controller from its case, never touch nor apply shock to the electronic parts

inside.

FDo not cover the E5EK-T. (Ensure sufficient space around the controller to allow heat radiation.)

FDo not use the controller in the following places:

•Places subject to icing, condensation, dust, corrosive gas (especially sulfide gas or ammonia gas).

•Places subject vibration and large shocks.

•Places subject to splashing liquid or oil atmosphere.

•Places subject to intense temperature changes.

•Places subject to heat radiation from a furnace.

FBe sure to wire properly with correct polarity of terminals.

FWhen wiring input or output lines to your controller, keep the following points in mind to reduce

the influence from inductive noise:

•Allow adequate space between the high voltage/current power lines and the input/output lines.

•Avoid parallel or common wiring with high voltage sources and power lines carrying large cur-

rents.

•Using separating pipes, ducts, and shielded line is also useful in protecting the controller, and its

lines from inductive noise.

FCleaning: Do not use paint thinner or organic solvents. Use standard grade alcohol to clean the

product.

FUse a voltage (100 to 240 VAC at 50 to 60 Hz). At power ON, the prescribed voltage level must be

attained within two seconds.

FAllow as much space as possible between the controller and devices that generate a powerful high

frequency (high-frequency welders, high-frequency sewing machines, etc.) or surge. These devices

may cause malfunctions.

FIf there is a large power-generating peripheral device and any of its lines near the controller, at-

tach a surge suppressor or noise filter to the device to stop the noise affecting the controller sys-

tem. In particular, motors, transformers, solenoids and magnetic coils have an inductance compo-

nent, and therefore can generate very strong noise.

FWhen mounting a noise filter on the power supply to the controller, be sure to first check the fil-

ter’s voltage and current capacity, and then mount the filter as close as possible to the controller.

E5EK

FUse within the following temperature and humidity ranges:

•Temperature: -10_Cto55_C, humidity: 35%RH to 85%RH (with no icing or condensation)

If the controller is installed inside a control board, the ambient temperature must be kept to un-

der 55_C, including the temperature around the controller.

If the controller is subjected to heat radiation, use a fan to cool the surface of the controller to

under 55_C.

FStore within the following temperature and humidity ranges:

•Temperature: -25_Cto65_C, humidity: 35%RH to 85%RH (with no icing or condensation)

FNever place heavy objects on, or apply pressure to the controller that may cause it to deform and

deteriorate during use or storage.

FAvoid using the controller in places near a radio, television set, or wireless installation. These

devices can cause radio disturbances which adversely affect the performance of the controller.

E5EK

Preface I......................................

Conventions Used in This Manual II...............

Precautions on Safety IV.........................

CHAPTER 1 INTRODUCTION 1--1...........................

This chapter introduces the names of parts on the E5EK-T and their functions.

For details on how to use the controller and parameter settings, see Chapter 2

onwards.

1.1 Names of parts 1--2..........................................

1.2 Input and Output 1--5.........................................

1.3 Program 1--8................................................

1.4 Parameters and Menus 1--9...................................

1.5 About the Communications Function 1--12.......................

1.6 About Calibration 1--13........................................

CHAPTER 2 PREPARATIONS 2--1...........................

This chapter describes the operations (e.g. setup, installation and wiring) you

should carry out before turning the E5EK-T ON.

2.1 Setup 2--2..................................................

2.2 Installation 2--5..............................................

2.3 Wiring Terminals 2--8.........................................

CHAPTER 3 BASIC OPERATION 3--1........................

This chapter describes actual examples for understanding the basic operation of

the E5EK-T

3.1 Convention Used in this Chapter 3--2...........................

3.2 Setting Input Specifications 3--4...............................

3.3 Setting Output Specifications 3--7..............................

3.4 Setting Alarm Type 3--10.......................................

3.5 Setting Patterns 3--14.........................................

3.6 Protect Mode 3--19............................................

3.7 Starting and Stopping Operation 3--21...........................

3.8 Adjusting Control Operation 3--22...............................

CHAPTER 4 APPLIED OPERATION 4--1......................

This chapter describes each of the parameters required for making full use of the

features of the E5EK-T.

Read this chapter while referring to the parameter descriptions in chapter 5

4.1 Selecting the Control Method 4--2..............................

4.2 Operating Condition Restrictions 4--7...........................

4.3 Ramp Rise Rate Setup Program 4--9...........................

4.4 Program Operation 4--13......................................

Table of Contents

E5EK

4.5 Wait Operation 4--16..........................................

4.6 Program output 4--17..........................................

4.7 Setting Running Conditions 4--19...............................

4.8 How to Use Event Input 4--21..................................

4.9 How to Use the Heater Burnout Alarm 4--23......................

4.10 LBA 4--26....................................................

4.11 How to Use Transfer Output 4--28...............................

CHAPTER 5 PARAMETERS 5--1.............................

This chapter describes the parameters of the E5EK-T.

Use this chapter as a reference guide.

Conventions Used in this Chapter 5--2..............................

Protect Mode 5--3................................................

Manual Mode 5--5................................................

Level 0 Mode 5--6................................................

Program Mode 5--11...............................................

Level 1 Mode 5--17................................................

Level 2 Mode 5--24................................................

Setup Mode 5--30.................................................

Expansion Mode 5--38.............................................

Option Mode 5--46.................................................

Calibration Mode 5--52.............................................

CHAPTER 6 USING THE COMMUNICATIONS FUNCTION 6--1..

This chapter mainly describes communications with a host computer and com-

munications commands

6.1 Outline of the Communications Function 6--2....................

6.2 Preparing for Communications 6--3............................

6.3 Command Structure 6--5......................................

6.4 Commands and Responses 6--7...............................

6.5 How to Read Communications Error Information 6--15.............

6.6 Program Example 6--17.......................................

CHAPTER 7 CALIBRATION 7--1.............................

This chapter describes procedures for each calibration operation.

Read this chapter only when the controller must be calibrated.

7.1 Parameter Structure 7--2.....................................

7.2 Calibrating Thermocouples 7--4................................

7.3 Calibrating Platinum Resistance Thermometers 7--7.............

7.4 Calibrating Current Input 7--9..................................

7.5 Calibrating Voltage Input 7--10..................................

E5EK

7.6 Checking Indication Accuracy 7--12.............................

CHAPTER 8 TROUBLESHOOTING 8--1......................

This chapter describes how to find out and remedy the cause if the E5EK-T does

not function properly.

Remedy E5EK-T trouble in the order of the descriptions in this chapter

8.1 Initial Checks 8--2............................................

8.2 How to Use the Error Display 8--3..............................

8.3 How to Use the Error Output 8--5..............................

8.4 Checking Operation Restrictions 8--6...........................

APPENDIX

SPECIFICATIONS A--2........................

ABOUT CURRENT TRANSFORMER (CT) A--5...

CONTROL BLOCK DIAGRAM A--6..............

SETTING LIST A--8...........................

MODEL LIST A--12.............................

PARAMETER OPERATIONS LIST A--13..........

ASCII CODE LIST A--15........................

INDEX

REVISION HISTORY

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