Omron E5AZ, E5EZ User Manual

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E5AZ

E5EZ

Digital Temperature Controller

User's ManualUser's Manual

Cat. No. H205-E1-01

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E5AZ/E5EZ Digital Temperature Controller

User’s Manual

Produced Septemb er 2007

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Preface

r f

The compact E5AZ /E5E Z Temperature Controller allows the user to car ry out the following:

• Depth of only 78 mm.

• Select from many types of temperat ure, infrared tempera ture sensor and analog input

• Select heating/cooling control in addition to standard control

• Select AT (auto-tuning) and ST (self-tuning) as tuning functions

• Use multi-SP and the run/stop function according to event input

• Use optional functions when option board E53-AZM is mounted along with option units.

• Use the HBA (heater bu rnout alarm ) function (w hen optio n unit E53-A ZH is fitted)

• Use the communications function (when option communications unit E53AZ01 or E53-AZ03 is fitted)

• The E5AZ/E5EZ conforms to UL/CSA/IEC safety standards and EMC standards.

This User’s Manual describes how to use the E5AZ/E5EZ. Before using your E5AZ/E5EZ, thoroughly read and un derstand this manual in order to ensure correct use. Also, store this manual in a safe place so that it can be retr ieved whenever necessary.

Visual Aids

The following headings appear in the le ft column of the manual to help you locate different types of information.

 OMRON, 2007

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system , or tran smit ted, in any form, o by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission o OMRON.

No patent liability is assumed with respect to th e use of the in fo rmation c ontain ed he rein. M oreover, beca use OMRON is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice. Every precaution has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained in this publication.

Note For an additional descr ipti on o f th e c ommun ic ations fu nc tio n, a lso r efer to th e

E5AZ/E5EZ/E5EZ-PRR/E5CZ Digital Temperature Controllers Communications User’s Manual (Cat. No. H204).

Note Indicates information of par ticular interest for efficient and convenient opera-

tion of the product.

1,2,3... 1. Indicates lists of one sort or another, such as procedures, checklists, etc.

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Read and Understand this Manual

Please read and understand this manual before using the product. Please consult your OMRON representative if you have any questions or comments.

Warranty and Limitations of Liability

WARRANTY

OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NONINFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER A CKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED.

LIMITATIONS OF LIABILITY

OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act e xceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.

Application Considerations

SUITABILITY FOR USE

OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product, machine, system, or other application or use. The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products:

• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or

uses not described in this manual.

• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical

equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations.

• Systems, machines, and equipment that could present a risk to life or property.

Please know and observe all prohibitions of use applicable to the products. NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PR OP ERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.

PROGRAMMABLE PRODUCTS

OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.

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Disclaimers

CHANGE IN SPECIFICATIONS

Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual specifications of purchased products.

DIMENSIONS AND WEIGHTS

Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.

PERFORMANCE DATA

Performance data given in this manual is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.

ERRORS AND OMISSIONS

The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.

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Safety Precautions

■ Definition of Precautionary Information

The following notation is used in this manual to provide prec autions required to ensure safe usage of the product.

The safety precautions th at are provided are extremely importan t to safety. Always read and heed the information provided in all safety precautions.

The following notation is used.

Indicates a potentially hazardous situation which, if not

CAUTION

■ Symbols

Symbol Meaning

Caution

avoided, is likely to result in minor or moderate injury or in property damage.

General Caution Indicates non-specific general cautions, warnings, and dangers.

Electrical Shock Caution

Indicates possibility of electric shock under specific conditions.

Prohibition

Mandatory Caution

General Prohibition

Indicates non-specific general prohibitions.

General Caution

Indicates non-specific general cautions, warnings, and dangers.

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■ Safety Precautions

If the output relays are used past their life expectancy, contact fusing or burning may occasionally occur. Always consider the application conditions and use the output relays within their rated load and electrical life expectancy. The life e xpectancy of output relays varies considerably with the output load and switching conditions.

CAUTION - Risk of Fire and Electric Shock a) This product is UL listed as Open Type Process Control

Equipment. It must be mounted in an enclosure that does not allow fire to escape externally.

b) More than one disconnect switch may be required to de-

energize the equipment before servicing the product. c) Signal inputs are SELV, limited energy. (See note 1.) d) Caution: To reduce the risk of fire or electric shock, do not

interconnect the outputs of different Class 2 circuits. (See note

2.)

Do not touch the terminals while power is being supplied. Doing so may occasionally result in minor injury due to electric shock.

CAUTION

Be sure to turn OFF the power supply before mounting the option unit. Not doing so may occasionally result in minor or moderate injury due to electric shock.

Do not allow pieces of metal, wire clippings, or fine metallic shavings or filings from installation to enter the product. Doing so may occasionally result in electric shock, fire, or malfunction.

Do not use the product where subject to flammable or explosive gas. Otherwise, minor injury from explosion may occasionally occur.

Never disassemble, modify, or repair the product or touch any of the internal parts. Minor electric shock, fire, or malfunction may occasionally occur.

Note

1. A SELV circuit is one separated from the power supply with double insulation or reinforced insulation, that does not exceed 30 V r .m.s. and 42.4 V peak or 60 VDC.

2. A class 2 power supply is one tested and certified by UL as having the current

and voltage of the secondary output restricted to specific levels.

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CAUTION

Loose screws may occasionally result in fire. Tighten terminal screws to the specified torque of 0.74 to

0.90 N Unexpected operation may result in equipment damage or

accidents if the settings are not appropriate for the controlled system. Set the Temperature Controller as follows:

A malfunction in the Temperature Controller may occasionally make control operations impossible or prevent alarm outputs, resulting in property damage. To maintain safety in the event of malfunction of the Temperature Controller, take appropriate safety measures, such as installing a monitoring device on a separate line.

Be sure that the platinum resistance thermometer type and the input type set on the Temperature Controller are the same.

⋅m.

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Precautions for Safe Use

Be sure to observe the following precautions to ensure the safe use of the product.

1. Do not use the product in any of the following environments.

• Places subject to splashing liquid or oil atmosphere

• Places subject to direct sunlight

• Places subject to dust or corrosive gas (in particular, sulfide gas and ammonia gas)

• Places subject to intense temperature change

• Places subject to icing and condensation

• Places subject to vibration and large shocks

• Places directly subject to heat radiated from heating equipment.

2. To reduce the risk of fire or electric shock, install the Temperature Controller in a controlled environment r elatively free of contaminants.

3. Use and store the product within the rated temperature and humidity ranges. Group-mounting two or more Temperature Controllers, or mounting Temperature Controllers above each other may cause he at to build up i nside the Temperature Controllers, which will s horten their ser vice life. In such a case, use forced cooling by fans or other means of air ventilation to cool down the Temperature Controllers.

4. To allow heat to escape, do not block the area around the product. Do not block the ventilation holes on the product.

5. Use the s pecified size (M3.5, width of 7.2 mm or less) cr imped term inals for wiring.

6. To connect bare wires to the termi nal block, use copper braided or solid wires with a gage of AWG24 to AWG14 (equal to a cross-sectional area of

0.205 to 2.081 mm of the same size and type, or two cr imp term inals can be in ser ted into a single terminal .

7. Be sure to wire properly with correct polarity of terminals. Do not wire any of the I/O terminals incorrectly.

8. Do not wire the terminals that are not used.

9. The voltage o utput (control out put) is not electr ically isolate d from the internal circuits. When using a grounded temperature sensor, do not connect any of the control output terminals to ground.Otherwis e un wanted cu rren t paths will cause measurement errors.

10. To avoid inductive noise, keep the wiring for the Temperature Controlle r's terminal block away from power cables carrying high voltages or large currents. Also, do not wire power lines together with or parallel to Temperature Controller wiring . Using shielded cables and using sepa rate conduits or ducts is recommended. Attach a surge suppressor or noise filter to peripheral devices that generate noise (in particular, motors, transformers, solenoids, magnetic coils or other equipment that have an inductance component). When a noise filter is used at the power supply, first check the voltage or current, and a ttach the noise filter as close as pos sible to the temperature controller. Allow as much space as possible between the Temperature Controller and devices that generate p owerful high frequencies (high-frequency welders, high-frequency sewing machines, etc.) or surge.

). (The str ipping length is 5 to 6 mm.) Up to two wir es

11. Use the product within the rated load and power supply.

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12. Use a switch, relay, or other contact so that the power supply voltage reaches the rated voltage within 2 secon ds. If the applied voltage is increased gradually, the power supply may not be reset or malfunctions may occur.

13. When using PID ope ration (self-tu ning), tur n ON the power su pply to the load (e.g., heater) at t he same t ime or before tur nin g the p ower supply t o the Temperature Controller ON. If power is turned ON for the T emperature Controller before tur ning ON power su pply to the l oad, s elf-tu ning w ill no t be performed properly and optimum control will not be achieved.

14. Design the system (e.g., control panel) to allow for the 2 seconds of delay required for the T emperature Controller's output to stabilize after the power is turned ON.

15. A switch or circuit breaker should be provided close to this unit. The switch or circuit breaker should be within easy reach of the operator, and must be marked as a disconnecting means for this unit.

16. Approximately 30 minutes is required for the correct temperature to be displayed after turning the power s upply to the Temperature Controller ON. Turn the power supply ON at l ea st 30 minutes prior to star t ing cont ro l operations.

17. The output may turn OFF when shifting to certain levels. Take this into consideration when performing control.

18. When tur n ing OFF the power, use a switch or relay to ensure the voltage decreases immediately. Incorrect operation and data storage errors may occur if the voltage decreases slowly.

19. When extendin g the ther mocouple lead wi res, always use compensating conductors suit able for the type of ther mocoup le. Do not extend the lead wires on a platinum resistance thermometer. Use only low-resistance wire

Ω max. per line) for lead wires and make sure that the resistance is the

(5 same for all three wires.

20. Make sure tha t any opti on un its a re i ns tal led c orr ectly. Do not remove the internal PCB when installing an option unit.

21. When drawing out the Temperature Controller from the case, do not apply force that would deform or alter the Temperature Controller.

22. When drawing out the Temperature Controller from the case to replace the Temperature Controller, check the status of the ter min als. If c orroded terminals are used, contact faults with the terminals may cause the temperature inside the Temperature Controller to increase, possibly resulting in fire. If the terminals are corroded, replace the rear case as well.

23. When i nserting the Temperature Controller into the case, do not force it into the case. Doing so will damage internal parts.

24. When drawing out the Temperature Controller from the case, turn the power supply OFF first, and absolutely do not touch the terminals or electronic components or apply shock to them. When inserting the T emperature Controller, do not allow the electronic components to come into contact with the case.

25. Static electricity may damage internal components. Always touch grounded metal to discharge any static electr icity before handling the Temperature Controller. When drawing out the Temperature Controller from the case, do not touch the electronic components or patterns on the board with

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your hand. Hold the Temperature Controller by the edge of the front panel when handling it.

26. The EEPROM has a limited write l ife. When overwriting data f requently, e.g., via communications, use RAM Mode.

27. Do not use paint thi nner or similar chemical to clean with. Use st andard grade alcohol.

28. Use tools when separating parts for disposal. Contact with the sharp internal parts may cause injury.

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Precautions for Correct Use

Service Life

1. Use the product within the following temperature and humidity ranges:

2. The service life of electronic devices like Temperature Controllers is deter-

3. When two or more T emperature Controllers are mounted horizontally close

Measurement Accuracy

Temperature: Humidity: 25% to 85% If the product is installed inside a cont rol board, the ambient tem perature must be kept to under 55

mined not only by the number of times the relay is switched but also by the service life of internal electronic components. Component service life is affected by the ambient temperature: the higher the temperature, the shorter the servic e life, and the lower the temperatur e, the longer the se r vic e life. Therefore, the service life can be extended by lowering the temperature of the Temperature Co ntroller.

to each other or vertically next to one another, the internal temperature will increase due to heat radiated by the Temperature Controllers and the service life will decrease. In such a case, use forced coolin g by fans or other means of air ventilation to cool down the Temperature Controllers. When providing forced cooling, however, be careful not to cool down the te rminals sections alone to avoid measurement errors.

−10 to 55°C (with no icing or condensation)

°C, including the temperature around the product.

Operating Precautions

1. When extending or connecting the thermocouple lead wire, be sure to use compensating wires that match the thermocouple types.

2. Wh en extending or connect ing the lead wire of the platinum res istance thermometer, be sure to use wi res that have low resistance an d keep the resistance of the three lead wires the same.

3. Mount the product so that it is horizontally level.

4. If the measurement accuracy is low , check to see if input shift has been set correctly.

1. It takes appr oximately two seconds for the outputs to turn ON from after the power supply is turned O N. Due consideration must be given to this time when incorporating Temperature Controllers in a sequence circuit.

2. Wh en using self-tuning, turn ON power for the load (e.g., heater) at the same time as or be fore supplying power to the Temperature Controlle r. If power is turned ON for the T emperature Controller before turning ON power for the load, self-tuning will not be performed properly and optimum control will not be achieved.

3. When starting operation after the Temperature Controller has warmed up, turn OFF the power and then turn it ON again at the same time as turning ON power for the load. (Instead of turning the T emperature Controller OFF and ON again, switching from STOP mode to RUN mode can also be used.)

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4. Avoid using the Controller in places near a radio, television set, or wireless installation. Thes e devices ca n c aus e radio dis tur b anc es which adversely affect the performance of the Controller.

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Related Manuals

The manuals related to the E5AZ/E5EZ are configured as shown in the following tables. Refer to these manuals as required.

Name Cat. No. Contents

E5AZ/E5EZ Digital Temperature Controller User’s Manual

E5AZ/E5EZ/E5EZ-PRR/E5CZ Digital Temperature Controllers Communications User’s Manual

H205 (This manual)

H204 Describes the CompoWay/F and SYSWAY communica-

Describe s the following information on the E5 AZ/E5EZ.

• Overview and features

• Basic specifications

• System design

• System configuration

• Mounting and wir i ng

• Maintenance

tions commands used with E5@Z Digital Temperature Controllers.

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Conventions Used in Th is Manual

Model Notations

“E5AZ/E5EZ” is used when the inform ation bei ng provided app lies to all E5@Z-@3@@ Digital Temperature Controllers. The notation us ed in the manual for information that is restricted by the model is given in the following table.

Notation Optional function

E53-AZM Option board is mounted along with one or two of the following option units. E53-AZH Heater burnout alarm option unit E53-AZ01 RS-232C communications option unit E53-AZ03 RS-485 communications option unit E53-AZB Event input option unit

Note The E5AZ/E5EZ provides optional fu nctions when an E53-AZM opt ion board

is mounted along with one or two (E53-AZH and another) option units.

Meanings of Abbreviations

The following abbreviations are used in parameter names, figures and in text explanations. These abbreviations mean the following:

Symbol Term

PV Process value SP Set point SV Set value AT Auto-tuning ST Self-tuning EU Engineering unit (See note.)

Note “EU” stands for Engineering Unit. EU is used as the minimum uni t for engi-

neering units such as The size of EU varies according to the input type. For example, when the input temperature setting range i s –200 to +1300 input temperature setting range is –20.0 to +500.0 In the case of analo g input, the size of EU varies according to the decimal point position of the scali ng setting, and 1 EU bec omes the minimum sc aling unit.

How to Read Display Symbols

The following tables show the corresponde nce between the symbols displayed on the displ ays and alphabet characters.

ABCDEFGHIJKLM

NOPQRSTUVWXYZ

°C, m, and g.

°C, 1 EU is 1°C, and when the

°C, 1 EU is 0.1°C.

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TABLE OF CONTENTS

SECTION 1

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1-1 Names of Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-2 I/O Configuration and Main Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-3 Setting Level Configuration and Key Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1-4 Communications Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

SECTION 2

Preparations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

2-1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2-2 Wiring Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2-3 Requests at Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

SECTION 3

Basic Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3-1 Initial Setting Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3-2 Setting the Input Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3-3 Selecting the Temperature Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3-4 Selecting PID Control or ON/OFF Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3-5 Setting Output Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

3-6 Setting the Set Point (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3-7 Using ON/OFF Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

3-8 Determining PID Constants (AT, ST, Manual Setup) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3-9 Alarm Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

3-10 Using Heater Burnout Alarm (HBA). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3-11 Requests during Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

SECTION 4

Applications Operations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

4-1 Shifting Input Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4-2 Alarm Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4-3 Setting Scaling Upper and Lower Limits (for Analog Inputs) . . . . . . . . . . . . . . . . . . . . . . . 59

4-4 Executing Heating/Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4-5 Using Event Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4-6 Setting the SP Upper- and Lower-Limit Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

4-7 Using the SP Ramp Function (to Limit the SP Change Rate). . . . . . . . . . . . . . . . . . . . . . . . 69

4-8 Moving to the Advanced Function Setting Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

4-9 Using the Key Protect Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72

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TABLE OF CONTENTS

SECTION 5

Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

5-1 Conventions Used in This Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

5-2 Protect Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5-3 Operation Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

5-4 Adjustment Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

5-5 Initial Setting Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5-6 Advanced Function Setting Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

5-7 Communications Setting Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

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About this Manual:

Please read this manual carefully and be sure you understand the information provided before attempting to insta ll or operate the E5AZ/E5EZ Temperature Controller. Be sure to read the precautions provided in the following section.

Section 1 describes the features, names of parts and typical functions. Section 2 describes installation and wiring. Section 3 describes basic control examples. Section 4 describes advanced functions to fully use E5AZ/E5EZ. Section 5 describes the parameters of the E5AZ/E5EZ.

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SECTION 1

Introduction

This section introduces the features, components, and main specifications of the E5AZ/E5EZ Digital Temperature Controllers.

1-1 Names of Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-1-1 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-1-2 Meaning of Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-1-3 Using the Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1-2 I/O Configuration and Main Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-2-1 I/O Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-2-2 Basic Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-2-3 Main Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1-3 Setting Level Configuration and Key Operations. . . . . . . . . . . . . . . . . . . . . . 6

1-3-1 Selecting Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1-3-2 Fixing Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1-4 Communications Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Page 21

Names of Parts Section 1-1

1-1 Names of Parts

1-1-1 Front Panel

E5AZ

E5EZ

Operation indicators

Level key

Operation indicators

Temperature unit

No.1 display

No.2 display

Up key

Down keyMode key

No.1 display

Temperature unit

No.2 display

Operation indicators

Mode key

Level key

Down key

Up key

1-1-2 Meaning of Indicators

No. 1 display Displays the process value or parameter type.

Lights for approximately one second during startup.

No. 2 display Displays the set point, parameter operation re ad value, or the variable input

value.

Page 22

Names of Parts Section 1-1

Lights for approximately one second during startup.

Operation indicators 1. AL M1 (alarm 1)

Lights when alarm 1 output is ON. ALM2 (alarm 2) Lights when alarm 2 output is ON. ALM3 (alarm 3) Lights when alarm 3 output is ON.

2. HB (heater burnout alarm display) Lights when a heater burnout is detected.

3. OUT1, OUT2 (control output 1, control output 2) Lights when control output 1 or control output 2 is ON. However, OUT1 is not lit whenever control output 1 is current output.

4. STOP (stop) Lights when operation is stopped. During operation, this indicator lights when operation is stopped by an event or by using the RUN/STOP function.

5. CMW (communications writing control) Lights when communications writing is enabled and is not lit when it is disabled.

Temperature unit The temperature unit is displayed when parameters are set to display a tem-

perature. The display is determined by the currently selected "temperature unit" parameter set value. c indicates

Flashes during ST operation.

°C and f indicates °F.

1-1-3 Using the Keys

This section describes the basic functions of the front panel keys.

(level) key Press this key to move between setting levels. The following setting levels can

be selected: operation level, adjustment level, initial se ttin g level, communications setting level.

(mode) key Press this key to change parameters within a setting level. (up) key Each press of th is key incremen ts the value di splayed on the No. 2 display or

advances the setting. Holding the key down speeds up the incrementation.

(down) key Ea ch press of this key decrements values displayed on the No. 2 display or

reverses the setting. Holding the key down speeds up the decrementation.

+ keys These keys set the E5 AZ/E5EZ to the "protect level". For details on the pro-

tect level, refer to SECTION 5 Parameters.

Page 23

I/O Configuration and Main Functions Section 1-2

1-2 I/O Configuration and Main Functions

1-2-1 I/O Configuration

E5AZ/E5EZ

OUT1

Temperature input/analog input

CT input (See note.)

Event input 2ch (See note.)

Set point input functions from external digital switches: Run/Stop

*Items marked with asterisks are options.

Controller

Control output 1

Control output 2

Heating/ cooling

Standard

Alarm 3

Alarm 2

Alarm 1

Input error

Communications function

HBA

OUT2

ALM3

ALM2

ALM1

Control output 1

Alarm output 3

Alarm output 2

Alarm output 1

Note Functions can be ass igned individually for each output by changing the set

1-2-2 Basic Model

Note Options 1 and 2 are supported when using an E53-AZM Option Board.

values for the control output 1 as signment, the control out put 2 assignment, the alarm 1 assignment, the alarm 2 assignment, and the alarm 3 assignment in the advanced function setting level.

E5@Z - @ 3 @ @

Option 2: Blank: Not available. 01: RS-232C 03: RS-485 B: 2 event inputs

Option 1: Blank: Not available. H: Heater Burnout Alarm

3: Three alarms

Control Output: R: Relay Output Q: Voltage Output C: Current Output A: Output Unit can be mounted.

Size: A: 96 × 96 mm (W × H) E: 96 × 48 mm (W × H)

Page 24

I/O Configuration and Main Functions Section 1-2

1-2-3 Main Functions

This section introduces the main E5AZ/E5EZ functions. For details on particular functions and how to use them, refer to SECTION 3 Basic O peration and following sections.

Input Sensor Types • The following input sensors can be connected for temperature input:

Platinum resistance thermometer

: Pt100, JPt100 Thermocouple : K, J, T, E, L, U, N, R, S, B Infrared temperature sensor: ES1B

:10 to 70

140 to 260 Analog input : 0 to 50 mV

Control Outputs • A control output can be relay, voltage, or current output, depending on the

model of E5AZ/E5EZ.

• With the E5@Z-@3@@, alar m output 3 is used as co ntrol output 2 (cooling) when heating/co oling contr ol is sel ected. Therefore, use alar m 1 an d 2 if an alarm is required while using heating/cooling control.

Alarms • Alarms can be used with the E5@Z-@3@@. Set the alarm t ype a nd ala rm

value or the alarm value upper and lower limits.

• If necessary, a more comprehensive alarm function can be achieved by setting the standby sequ ence, alarm hysteresis, close in alarm/o pen in alarm, and alarm latch parameters.

• When the "input error output" parameter is set to ON, alarm output 1 turns ON when an input error occurs.

°C, 60 to 120°C, 115 to 165°C,

°C

Control Adjustment • Optimum PID constants can be set easily by perfor ming AT (auto-tuning)

or ST (self-tuning).

Event Inputs • With the E53-AZB, the following funct ions can be executed using event

inputs: switching set points ( multi-SP, 4 pts. max.), and switching RUN/ STOP status.

Heater Burnout Alarms (HBA)

Communications Functions

Note 1. CompoWay/F is an integrated general-purpose serial communications

• With the E53-AZH, the heater burnout detection alar m function can be used.

• With the E53-AZ0 1 or E53-AZ03, the c ommunications functi ons utilizing CompoWay/F (See note 1.) or SYSWAY can be used. E5@Z-@3@03: RS-485 interface E5@Z-@3@01: RS-232C interface

protocol developed by OMRON. It uses commands compliant with the wellestablished FINS, together with a consistent frame format on OMRON Programmable Controllers to facilitate communications between personal computers and components.

2. SYSWAY communications cannot be used for the alarm 3 output.

Page 25

Setting Level Configuration and Key Operations Section 1-3

1-3 Setting Level Configuration and Key Operations

Parameters are divided into groups, each cal led a “level”. Each of t he set values (setup items) in these levels are called a “p arameter.” The parameters on the E5AZ/E5EZ are divided into the following six levels:

Power ON

Operation level

key

1 second min.

Initial setting level

key

1 second min.

Adjustment level

key

Less than 1 second

key

100

The PV display flashes after one second.

Less than 1 second

Password input set value "−169"

Advanced function setting level

3 seconds min.key

Control stops.

Communications setting level

key

+ keys

1 second min.

Protect level

Note :

Communications setting level is displayed when the optional communications unit E53-AZ01 or E53-AZ03 is mounted along with the E53-AZM option board.

The key pressing time can be changed in "Move to protect level time" (advanced function setting level).

Control in progress Control stopped

+ keys

The PV display flashes

100

+ keys

3 seconds min.

Control in

Control Stopped

Progress

Protect level Can be set. Operation level Can be set. Adjustment level Can be set. Initial setting level - Can be set. Advanced function setting level

- Can be set.

(See note.) Communications setting level - Can be set.

Note Set the parameters in the “initia l setting/communicat ions protect” under “pr o-

tect level” to “0”, to activate advanced function setting level. Of these levels, the initial setting level, communications setting level, and

advanced function set ting level can be used on ly when control has stopped. Note that controller outputs ar e stopped when any of these three levels are selected.

Page 26

Setting Level Configuration and Key Operations Section 1-3

Protect level • To move to this level, simultaneously press the and keys for at

least three seconds in the operation level or adjustment level. This level is for preventing unwanted or accidental modification of parameters. Protected levels will not be displayed, and so the parameters in that level cannot be modified.

Note The key pressing time can be chan ged in "Move to protect level

time" (advanced function setting level).

Operation level • This level is displayed when you turn the power ON. You can move to the

protect level, initial setting level and adjustment level from this level.

• Normally, select this level during operation. During operation, the p ro ce ss value and manipulated variable can be monitored, and the set points, alarm values and upper- and lower-limit alarms can be monitored and modified.

Adjustment level • To mov e to this level, press the key for less than one second.

• This level is for entering set values and offset values for control. This level contains parameters for setting the AT (auto-tuning), communications writing enable/disable, hysteresis, multi-SP, input shift values, heater burnout alar m (HB A) an d P ID c ons tan ts. You can move to the top parameter of the initial setting level, protect level, and operation level from here.

Initial setting level • To move to this level, press the key for at least three seconds in the

operation level or adjustment level. The PV displ ay flashes after one second. This level is for specifying the input type, selecting the control method, control per iod, setting direct/reverse operation and alarm typ e. You c an move to the advanced function setting level or communications

setting level from this level. To return to the operation level, press the key for at least one second. To move to the communications setti ng level, press the key for less than one second.

Advanced function setting level

Communications setting level

• To activate this level, set the parameters in the “initial settin g/c om munications protect” under the “protec t level” to “0” and then e nter the password

−169”) in the initial setting level.

(“

• The initial setting level can be accessed from this level.

• This level is for setting the automatic display return time, MV limiter, event input assignment, stan dby sequence, alarm hysteresis, and ST (sel f-tuning).

• To move to this level, press the key for less than one second in the initial setting level. When the communications function is used, set the

communications co nditions in this level. Communicating with a per sonal computer (host compute r) allows set points to be read and wr itten, and manipulated variables to be monitored.

Note This level is available if a communications unit (E53-AZ01 or E53-

AZ03) is fitted to the unit along with the E53-AZM option board.

Page 27

Communications Function Section 1-4

1-3-1 Selecting Parameters

• To select parameters in each level, press the key. Each press of th e

key advances to the next parameter. For details on each parameter,

see Section 5.

Parameter 1

Parameter 2

Parameter 3

Parameter n

1-3-2 Fixing Settings

• If you press the key at the final parameter, the display returns to the top parameter for the current level.

• To change parameter settings or setup, specify the setting usi ng the or key, and either leave the setting for at least two seco nds or p ress the key. This fixes the setting.

• When another level is selected, the p arameter and settin g on the display are fixed.

• When you turn the power OFF, you must first fix the settings or parameter setup (by pressing the key). The setti ngs and parameter setup are

sometimes not changed by merely pressi ng the or key.

1-4 Communications Function

The E5AZ/E5EZ can be provided with a co mmunications fun ction that allows you to check and set controller parameters on a host computer. If the communications function is required, mount the option unit E53-AZ01 or E53-AZ03 in the E5AZ/E5 EZ . F o r det ail s on th e com m unic ati ons fun ctio n, see th e sep ar ate Communications User’s Manual (Cat. No. H204). Follow the procedure below to move to the communications setting level.

1,2,3... 1. Pres s th e key for at least t hree seco nds in the “ operatio n level”. The

level moves to the “initial setting level”.

2. Press the key for less than one second. The “initial setting level” moves to the “communications setting level”.

Page 28

Communications Function Section 1-4

3. Pressing the key advances the parameters as shown in the following figure.

4. Press the or key to change the parameter setups.

Communications unit No.

Baud rate

Data length

Stop bits

Parity

Setting up communications data

Parameter Displayed

Set the E5AZ/E5EZ communications specifications so that they match the communications setup of the host computer.

Set (monitor) Value Settings Default Unit

Characters

Communications unit No. u-no 0 to 99 1 None Baud rate bps 1.2, 2.4, 4.8, 9.6, 19.2 1.

2, 2. 4, 4. 8, 9. 6,

19.

9.6 kbps

Data length len 7, 8 7 bit Stop bits sbit 1, 2 2 bit Parity prty None, even, odd none, even, odd Even None

Page 29

Communications Function Section 1-4

Page 30

SECTION 2

Preparations

This section describes the work required to prepare the E5AZ/E5EZ Digital Temperature Controllers for operation, including installation and wiring.

2-1 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2-1-1 Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2-1-2 Panel Cutout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2-1-3 Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2-1-4 Setting up the Option Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2-2 Wiring Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2-2-1 Terminal Arrangement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

2-2-2 Precautions when Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2-2-3 Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

2-3 Requests at Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2-3-1 To Ensure Prolonged Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2-3-2 To Reduce the Influence of Noise. . . . . . . . . . . . . . . . . . . . . . . . . . . 22

2-3-3 To Ensure High-precision Measurement . . . . . . . . . . . . . . . . . . . . . 22

Page 31

Installation Section 2-1

2-1 Installation

2-1-1 Dimensions

E5AZ (Unit: mm)

E5EZ (Unit: mm)

11.5 91

11.5

Page 32

Installation Section 2-1

2-1-2 Panel Cutout

E5AZ (Unit: mm)

Individual Mounting Group Mounting

120 min.

E5EZ (Unit: mm)

Individual Mounting Group Mounting

+0.6

+1.0 0

+0.8

+1.0 0

+0.8

(96 × number of Units − 3.5)

(48 × number of Units − 2.5)

+0.8

120 min.

• The recommended panel thickness is 1 to 8 mm.

• Units must not be closely mounted vertically. (Observe the recommended mounting space limits.)

• When group mounting several Controllers, ensure that the surrounding temperature does not exceed the ambien t operatin g temperatur e listed i n the specifications.

Page 33

Installation Section 2-1

2-1-3 Mounting

E5AZ

Adapter mounted (sold separately).

E5AZ

E5EZ

Mounting to the Panel

Adapter mounted (sold separately).

E5EZ

1,2,3... 1. Inser t the E5A Z/E5EZ into the square mounting hole in the pa nel (thick-

ness: 1 to 8 mm). Attach the Mounting Brackets provided with the product to the mounting grooves on the top and bottom surfaces of the rear case.

Page 34

Installation Section 2-1

2. Use a ratchet to alternately tighten the screws on the top and bottom Mounting Brackets little by little to maintain balance, until the ratchet turns freely.

2-1-4 Setting up the Option Units

If heater burnout alarm, communications and event input functions are required, mount a heater burnout alarm uni t (E53-AZH), a communications unit (E53-AZ01 or E53-AZ03), or an event input unit (E53-AZB).

The E5AZ/E5EZ pr ovides optional func tions when an E53-AZM opt ion board is mounted along with one or two (E53-AZH and another) option units.

Option units

Name Model Function

Option Board E53-AZM Option board is mounted along with one or two of the following option units. Heater Burnout Alarm Unit E53-AZH Heater burnout alarm Communications Unit E53-AZ01 RS-232C communications

E53-AZ03 RS-485 communications

Event Input Unit E53-AZB Event input

Assembling the unit

• Terminal label:

(1)

(4)

(2)

(1)

× 1

Flat-blade screwdriver (units: mm)

0.4 2.0

(3)

20 min.

1,2,3... 1. Insert the tools (see drawing above) into the slots (one on the top and one

on the bottom) and release the hooks.

2. Insert the tool into the gap between the front and rear, and slightly draw out the front panel. Then, draw out the front panel towards you holding it by its top and bottom sides.

3. Match the upper and lower claws with the connection points and insert the option board (E53-AZM) after the option unit (E53-AZH, E53- AZ01, E53AZ03, or E53-AZB) is attached to the board. Mount the option board in the left from the front.

4. Before you push the unit back into the case, make sure that the packing is in place. Push the unit back into the rear case until you hear a click. When you do this, hold down the hooks on the top and bottom of the rear case so that they are firmly hooked in place.

Page 35

Wiring Terminals Section 2-2

(

)

(

)

(

)

(

)

2-2 Wiring Terminals

2-2-1 Terminal Arrangement

E5AZ

E5EZ

100 to 240 VAC

Alarm output, 250 VAC 2 A

resistive load

Voltage output, 12 VDC 40 mA

Current output, 4 to 20 mA DC

Relay output, 250 VAC 5 A

resistive load

600 Ω

Analog input

100 to 240 VAC

Alarm output, 250 VAC 2 A

resistive load

Voltage output, 12 VDC 40 mA

Current output, 4 to 20 mA DC

Relay output, 250 VAC 5 A

resistive load

600 Ω

ut power suppl

OUT1

−

Analog input

AL3/OUT2

AL2

AL1/HB

−

ut power suppl

−

1 2 3 4 5 6 7 8

AL3/OUT2

AL1/HB

OUT1

−

AL2

2 3

5 6

7 8

Page 36

Wiring Terminals Section 2-2

Option Units

E53-AZM Option Board

E53-AZB Even Inputs

Contact inputs

Do not use.

Non-contact inputs

E53-AZ@ or E53-AZ@@ Option Units

E53-AZ01 Communications

RS-232C

Do not use.

Host computer

Note The E53-AZM option board is always

mounted along with one or two (E53AZH and another) option units.

E53-AZ03 Communications

RS-485

B (+)

A (−)

Host computer

Do not use.

E53-AZH

Heater Burnout Detection

Do not use.

Do not use. Heater burnout detection input

Do not use.

Note The combination of A and B is also available.

Page 37

Wiring Terminals Section 2-2

2-2-2 Precautions when Wiring

• Separate input leads an d power lines in order to p rotect the E5AZ/E5E Z and its lines from external noise.

• Use AWG24 (cross-sectional area: 0.205 mm tional area: 2.081 mm

) twisted-pair cable (stripping length: 5 to 6 mm).

) to AWG14 (cross-sec-

Cross-sectional area of conductor AWG24: 0.205 mm AWG14: 2.081 mm

2 2

• We recommend using solderless terminals when wiring the E5AZ/E5EZ.

• Tighten the terminal screws using a torque no greater than 0.74 to

0.90 N

⋅m.

• Use the following type of solderless terminals for M3.5 screws.

7.2 mm max.

2-2-3 Wiring

Power supply • Connect to terminals 1 and 2. The following table shows the specifica-

tions.

Input power supply E5AZ/E5EZ

100 to 240 VAC, 50/60 Hz 10 VA

• Reinforced insulation is applied between the input power supply and the I/O sections.

Input • Connect to terminals 9 to 11 as follows according to the input type.

9 10 11

Thermocouple Platinum

B’

resistance

thermometer

10 11

Analog

input

Control output 1 • Terminals 7 and 8 are for control output. The following diagrams show the

available outputs and their internal equalizing circuits.

Relay Voltage Current

−

GND

−

GND

Page 38

Wiring Terminals Section 2-2

• The following table shows the specifications for each output type.

Output type Specifications

Relay 250 VAC, 5 A (resistive load), electrical life: 100,000 operations Voltage (PNP) PNP type, 12 VDC, 40 mA (with short-circuit protection) Current 4 to 20 mA DC, load: 600 Ω max., resolution: approx. 2,600

• The voltage output (control ou tput) is not electrically insulated from th e internal ci rcuits. When using a grounding th ermocouple, do not con nect the control output t erminals to the ground. If t he control output termina ls are connected to the ground, errors will occu r in the measured temp erature values as a result of leakage current.

Alarm output/Control output 2

• On the E5@Z-@3@@, alarm output 1 (ALM1) is acro ss ter mi nals 5 an d 6, and alarm ou tpu t 2 (AL M2) is a cros s te rminals 4 and 6, an d ala rm output 3 (ALM3) is across ter minals 3 and 6. When heating/cooling control is used, alarm output 3 becomes cooling output.

When the input error outpu t is s et to “O N” , alarm output 1 turns O N whe n an input error occurs.

• Terminals 5 and 6 on the E5AZ/E5EZ to which an E53-AZH Option Unit is mounted output the al arm o utput 1 or heater bur nout alar m values. If the mode of alarm outp ut 1 is set to 0 to disable alar m output 1, ter minals 5 and 6 will output the heater burnout alarm.

• The equivalent circuits of alarm output 1, 2, and 3 are shown in the following diagram.

AL3/OUT

AL2

AL1/HB

• Relay specifications are as follows: SPST-NO 250 VAC 2 A

CT input • When the option unit ( E53-AZH) is mounted o n the E5AZ/E5EZ and th e

heater burnout function is used, connect a current transformer (CT) across terminals 15 and 16.

Event input • When the option event input unit E53-AZB is mounted in the E 5AZ/E5EZ

and event input is used, connect to terminals 12 to 14.

EV1

EV2

−

• Use event inputs under the following conditions:

Page 39

Wiring Terminals Section 2-2

• The output current is approx. 7 mA.

Contact input ON: 1 kΩ max., OFF: 100 kΩ min. No-contact input ON : res id ual voltage 1.5 V max., O FF : le aka ge cu rrent 0.1 mA max.

Polarities during no-contact input are as follows:

RS-232C Communications

12 13

EV1

• When the E53-AZ01 option communications unit is mounted in the E5AZ/ E5EZ for communicating with a host c omputer, connect the communications cable across terminals 12, 13, and 14.

13 14

RS-232C

Communications Unit Wiring Diagram

Host computer RS-232C: 25 Pin

SD(TXD) RD(RXD) RS(RTS) CS(CTS) DR(DSR) SG ER(DTR) FG

2 3 4 5 6 7

RS-232C No.

RS-485 Communications

• The RS-232C connection is 1:1.

• The maximum cable length is 15 m . Use the RS-232C optical interface cable (Z3RN) as an extension cable if necessary .

• Use AWG24 (cross-sectional area: 0.205 mm

tional area: 2.081 mm

) shielded twisted-pair cable.

) to AWG14 (cross-sec-

• When the E53-AZ03 option communications unit is mounted in the E5AZ/ E5EZ for communicating with a host c omputer, connect the communications cable across terminals 12 and 13. Specify both ends of the transmission path including the host computer as the end node (that is, connect terminators to both ends). The maximum terminal resistance is 54

12 13

Ω.

B(+)

RS-485

A(−)

Page 40

Wiring Terminals Section 2-2

• To satisfy the requirements of the EN 61326 class A standard in the conducted emission test, add a clamp filter (TDK: ZAT1730-0730) in the communications line between the K3SC and the Temperature Controller.

Communications Unit Wiring Diagram

Host computer RS-485

−

A<B: "1" mark A>B: "0" space

Shielded cable

E5AZ/E5EZ (No.1)

RS-485

Abbr.

A(−) B(+)12

E5AZ/E5EZ (No.31)

RS-485

Abbr.

A(−)

B(+)

Terminator (120 Ω, 1/2 W)

• The RS-485 connection can be either one-to-one to one-to-N. Up to 32 units including the host comp uter can be connected in one-to-N sys-

tems. Use AWG24 (cross-sectional ar ea: 0.205 mm sectional area : 2.081 mm

) shielded twisted- pa ir c able a nd keep th e total

) to AWG14 (cross-

cable length to 500 m.

Cable reference diagram

Cross-sectional area of conductor AWG24: 0.205 mm AWG14: 2.081 mm

2 2

Page 41

Requests at Installation Section 2-3

2-3 Requests at Installation

2-3-1 To Ensure Prolonged Use

Use the temperature in the following operating environment: Temperature: –10 to +55 Humidity: 25 to 85% When the temperature controller is incorporated in a control panel, make sure that the controller’s ambient temperature an d not the p anel ’s ambient temperature does not exceed 55 The life of electronic equip men t such as tempe rature co ntrol lers is influen ced not only by the life determin ed by the r el ay switching count but als o by the life of the electronic compo nents used intern ally. The service life of compon ents is dependent on the ambient temperature: the higher the ambient temperature becomes, the shor ter the service life becomes, and vic e versa. For this reason, the service life of the temperature controller can be extended by lowering its internal temperature. Gang-mounting two or more temperature controllers, or mounting temperature controllers above each other may cause heat to build up ins ide the temperature controllers, which will shorten their service life. When mounting temperature controll ers like this, forced cooling measures such as a cooling fan for cooling the temperature controllers must be taken into consideration. Prevent only the terminal block from being cooled. Otherwise, this may result in a measurement error.

°C (icing and condensation not allowed)

°C.

2-3-2 To Reduce the Influence of Noise

To reduce induction noise, the leads on the temperature co ntroller’s terminal block must be wired separately fro m large-voltage/larg e-current power le ads. Also, avoid wiring leads in parallel with power leads or in the same wiring path. Other metho ds such as separat ing conduits and wiring ducts, or us ing shield wire are also effective. Attach a surge absor ber or noi se fil ter to peripheral equipment that g ene rates noise (in par ticular, motors, transformers, solenoids, or other equipment tha t has a magnetic coil or other inductance component). When a noise filter is used a t the power supply, first check the voltage or current, and attach the noise filter as close as poss ible to the temperature controller. Also, install the temperature controller as far awa y as possible from equipment that generates strong, high freq uency (e.g. high-frequency we lders, high-frequency sewing machines) or surges.

2-3-3 To Ensure High-precision Measurement

When the thermo couple leads are extended, be su re to use a compensa ting lead wire matched to the type of thermocouple. When the platinum resista nce detecto r lead s are extended, use the lead having the smallest resistance to equalize the resistance of the three leads. Install the temperature controller so that it is horizontal. If there is a large error in the measurement values, make sure that input compensation has been set correctly.

Page 42

SECTION 3

Basic Operation

This section describes the basic operation of the E5AZ/E5EZ Digital Temperature Controllers, including key operations to set parameters and descriptions of display elements based on specific control examples.

3-1 Initial Setting Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

3-2 Setting the Input Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3-2-1 Input Type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

3-3 Selecting the Temperature Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3-3-1 Temperature Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

3-4 Selecting PID Control or ON/OFF Control . . . . . . . . . . . . . . . . . . . . . . . . . . 29

3-5 Setting Output Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3-5-1 Control Period. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3-5-2 Direct/Reverse Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3-6 Setting the Set Point (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3-6-1 Changing the SP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

3-7 Using ON/OFF Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3-7-1 ON/OFF Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

3-7-2 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

3-8 Determining PID Constants (AT, ST, Manual Setup). . . . . . . . . . . . . . . . . . . 35

3-8-1 AT (Auto-tuning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3-8-2 ST (Self-tuning) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3-8-3 ST Start Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

3-8-4 ST Stable Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3-8-5 Manual Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3-9 Alarm Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

3-9-1 Alarm Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

3-9-2 Alarm Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3-9-3 Alarm Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

3-10 Using Heater Burnout Alarm (HBA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3-10-1 HBA Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3-10-2 Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

3-10-3 Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

3-10-4 Calculating Detection Current Values . . . . . . . . . . . . . . . . . . . . . . . 48

3-10-5 Application Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

3-11 Requests during Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Page 43

Initial Setting Examples Section 3-1

3-1 Initial Setting Examples

On previous controllers, sensor input type, alarm type and control period were set by the DIP switches. These hardware settings are n ow set in parameters

in setup menus. The and keys are used to switch between setu p menus, and the amount of time that you hold the keys down for determines

which setup menu you move to. This section describes two typical examples.

Interpretations and Meanings of Typical Examples

Changing Setting Value

in-t

cntl

onof

Indicates the continued presence of set data.

in-h

100

in-l

cntl

onof

This should be pressed

to switching to any other data objectives.

Changing Numeric Value

Each interface’ value and their selection

are realized through

continuously prior

this option.

Page 44

Initial Setting Examples Section 3-1

Typical example 1

Input type: 5 K thermocouple −200 to 1300°C Control method: ON/OFF control Alarm type: 2 upper limit Alarm value 1: 20°C (deviation) Set point: 100°C

Initial setting level

Setup procedure

Power ON

Set input specifications

Operation level

Initial setting level

Check input type.

Power ON

Process value/

set point

Press key for at least three seconds. Control stops.

in-t

Input type

Set control specifications

Set alarm type

Operation level

Set alarm values

Check that control is ON/OFF control.

Check alarm type.

Operation level

Press keys to set point to "100°C".

Make sure that control is running.

Press keys to set alarm value to "20°C".

cntl

alt1

onof

In ON/OFF control in PID control

Alarm 1 type

Press key for at at least one second.

Process value/

100

set point

al-1

r-5

run

During run During stop

Alarm value 1 20

onof

pid

100

run

stop

Start operation

Page 45

Initial Setting Examples Section 3-1

Typical example 2

Input type: 9 T thermocouple −200 to 400°C Control method: PID control Calculate PID constants by AT (auto-tuning) execution. Alarm type: 2 upper limit Alarm value 1: 30°C (deviation) Set point: 150°C

Initial setting level

Setup procedure

Power ON

Set input specifications

Operation level

Initial setting level

Press DU keys to select input type.

Power ON

Process value/ set point

Press key for at least three seconds. Control stops.

in-t

Input type

Set control specifications

Set alarm type

Adjustment level

AT execution

(when PID control is selected)

PV/SP After AT execution

150

During AT execution

150

While AT is being executed, SP will flash After AT execution

off

During AT execution

Press DU keys to set PID control.

Press DU keys to set ST to OFF.

Check the control period.

Check alarm type.

Operation level

Press DU keys to set point to "150°C".

Adjustment level

Execute AT (auto-tuning).

Operation level

Make sure that set point is "150°C".

cntl

alt1

cntl

pid

off

alt1

In ON/OFF control In PID control

To execute ST To cancel ST

Control period (heat) (unit: seconds)

Alarm 1 type

Press key for at least one second.

150

Process value/ set point

Press key for less than 1 second.

off

To execute AT To cancel AT

Press key for less than 1 second.

Process value/

150

set point 150

onoff

pid

off

150

off

Operation level

Set alarm values

Start operation

Make sure that control is running.

Press DU keys to set alarm value to "30°C".

Start program execution

r-5

al-1

r-5

run

During run During stop

Alarm value 1 30

run

stop

Page 46

Setting the Input Type Section 3-2

3-2 Setting the Input Type

The E5AZ/E5EZ suppor t s four input types: platinum resista nce therm ometer, thermocouple, infrare d temperature sensor and analog inputs. Se t the input type matched to the sensor us ed in the “inpu t type” parameter. In the product specifications, there are models with thermocouple/resistance thermometer inputs (multi-input) an d models with analo g input. T he settin gs differ depending on the model. Check to make sure which model you are using.

3-2-1 Input Type

Operation Procedure

Operation level

Initial setting level

in-t

Setting the input type “thermocouple K −20.0 to 500.0°C”.

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

level” to the “initial setting level”.

Input typ

2. Press the key to enter the set value of the desired sensor. When you use K thermocouple (

−20.0 to 500.0°C), enter “6” as the set value.

Hint: The set value is fixed if you do not operate the keys on the front panel

for two seconds after changing the parameter, or by pressing the or key.

List of Input Types

Input type Name Set

Platinum resistance thermometer

Thermocouple K

Infrared temperature sensor ES1B

Analog input 0 to 50mV 21 One of the following ranges depending on the

Pt100 0

JPt100 3

E 10 0 to 600 ( L11 U12

N13 R 14 0 to 1700 ( S 15 0 to 1700 ( B 16 100 to 1800 ( 10 to 70

°C 17 0 to 90 (°C)/0 to 190 (°F)

60 to 120 115 to 165 140 to 260

Valu e

1 2 0.0 to 100.0 (

4 0.0 to 100.0 ( 5 −200 to 1300 (°C)/−300 to 2300 (°F) 6

°C 18 0 to 120 (°C)/0 to 240 (°F)

°C 19 0 to 165 (°C)/0 to 320 (°F) °C 20 0 to 260 (°C)/0 to 500 (°F)

Input Temperature Setting Range

−200 to 850 (°C)/−300 to 1500 (°F)

−199.9 to 500.0 (°C)/−199.9 to 900.0 (°F) °C)/0.0 to 210.0 (°F)

−20.0 to 500.0 (°C)/0.0 to 900.0 (°F)

−100 to 850 (°C)/−100 to 1500 (°F)

−20.0 to 400.0 (°C)/0.0 to 750.0 (°F)

−200 to 400 (°C)/−300 to 700 (°F)

−199.9 to 400.0 (°C)/ −199.9 to 700.0 (°F)

°C)/ 0 to 1100 (°F)

−100 to 850 (°C)/−100 to 1500 (°F)

−200 to 400 (°C)/−300 to 700 (°F)

−199.9 to 400.0 (°C)/−199.9 to 700.0 (°F)

−200 to 1300 (°C)/−300 to 2300 (°F)

°C)/0 to 3000 (°F) °C)/0 to 3000 (°F)

°C)/ 300 to 3200 (°F)

results of scaling:

−1999 to 9999, −199.9 to 999.9,

Note The default is “5”.

Page 47

Selecting the Temperature Unit Section 3-3

3-3 Selecting the Temperature Unit

3-3-1 Temperature Unit

• Select either “°C” or “°F” as the temperature unit.

• Set the temperature unit in the “temperature unit” parameter of “initial set-

Operation Procedure

ting level”. Default is “c:

Select “

°C”.

Operation level

Initial setting level

in-t

d-u

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

level” to the “initial setting level”.

Input type

Temperature unit

2. Select the “temperature unit” parameter by pressing the key. Press the or key to select either “

c :

°C f : °F

3. To return to the “operation level” press the key for at least one second.

°C” or “°F”.

Page 48

Selecting PID Control or ON/OFF Control Section 3-4

3-4 Selecting PID Control or ON/OFF Control

The E5AZ/E5EZ sup ports two control methods, 2-PID contr ol and ON/OFF control. The control method is selected by the “PID ON/OFF” parameter in the “initial setting l evel”. When t his p aram eter is s et to “ pid”, 2-PID control is set, and when set to “onof ”, ON/OFF control is set (default).

2-PID control

PID control is set by AT (auto-tuning), ST (self-tuning) or manual setup. For PID control, set the P ID constants in the “ propo rtional band (P) ”, “integral time (I)” and “derivative time (D)” parameters.

ON/OFF control

In “ON/OFF” control , the control output is tur ned ON when th e proce ss value is lower than the current se t point, and the control output is turned O FF whe n the process value is higher than the current set point (reverse operation).

Page 49

Setting Output Specifications Section 3-5

3-5 Setting Output Specifications

3-5-1 Control Period

Control period (OUT1)

Control period (OUT2)

• Set the output period (c ontrol period). Though a shor ter period provi des better control perform ance, we recommend setting the control per iod to 20 seconds or more ta king the life expectancy in the c ase of relay outpu t into consideration. If nec essary, readjust the control per iod by trial op eration, for example, when the control period parameters are set to their defaults.

• Set the control per iod in the “control pe riod (OUT1)” and “c ontrol period (OUT2)” parameters (initial setting level). Default is “20 seconds”.

• The “control per iod (OUT2)” p arameter can b e used only i n heating/coo ling control.

• Whenever control output 1 is the curren t output, “control per iod (OUT1)” cannot be used.

3-5-2 Direct/Reverse Operation

• “Direct operation” refers to control where the manipulated variable is increased according to the increase in the process value. Alternatively, “Reverse operation” refers to control where t he manipulated variable is decreased according to the increase in the process value.

Manipulated variable

100%

Manipulated variable

100%

Low temperature

Set value

Direct operation

For example, when the process value (PV) (temperature) is lower than the set point (SP) (temperature) in a heating control system, the manipulated variable increases by the difference between the PV and SP values. Accordingly, this becomes “reverse operation” in a heating control syste m, or alternatively, “direct operation” in a cooling control system.

• Direct/reverse operation is set in the “direct/reverse operation” parame ter (initial setting level). The “direct/reverse operation” parameter default is “reverse operation”.

High temperature

Low temperature

High temperature

Set value

Reverse operation

Page 50

Setting Output Specifications Section 3-5

Operation Procedure

Operation level

Initial setting level

in-t

d-u

In this example, let’s monitor the “input type”, “temperature unit”, “direct/ reverse operation” and “control period (OUT1)” parameters.

“input type” = “5”: K thermocouple “temperature unit” = “c”: “direct/reverse operation” = “or-r”: reverse operation “control period (OUT1)” = “20 (secs)”

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

level” to the “initial setting level”.

Input type

Temperature unit

2. The input type is displayed. When you are setting the input type for the first time, “5”: K thermocouple is set. To select a different sensor, press the

or key.

3. Se lect the “temp erature unit” param eter by pressing the key. Default

°C. To select “f”: °F, press the key.

is “c”:

°C

oreV

OOor-r

Operation level

Control period (OUT1)

Direct/reverse operation

PV/SP

4. Select the “control period (OUT1) parameter by pressing the key. Default is “20”.

5. Se lect the “direct/reverse operation” parameter by pressing the key. Default is “or-r”: reverse operation. To select “or-d”: direct operation, press the key.

6. To return to the “operation level”, press the key for at least one second.

Page 51

Setting the Set Point (SP) Section 3-6

3-6 Setting the Set Point (SP)

Operation level

The “operation level” is displayed when the E5AZ/E5EZ is turned ON. The upper display (No.1 display) displays the process value, and the lower dis play (No.2 display) displays the set point.

3-6-1 Changing the SP

Operation Procedure

1,2,3... 1. Normally, the “PV/SP” parameter is displayed. The set point is “0

Operation level

In this example, let’s change the set point from “0

2. Press the key until the set point changes to “200

• The set point cannot be changed when the “operation/adjustment protect” parameter is set to “3”. For details, see 4-9 Using the Key Protect Level.

• To change the set point, press the or key in the “PV/SP” parameter (operation level), and set the desired set value. The new set point is

selected two seconds after you have specified the new value.

• Multi-SP is used to switch between two or four set points. See 4-5 Using Event Inputs for details.

°C” to “200°C”.

°C”.

200

Page 52

Using ON/OFF Control Section 3-7

3-7 Using ON/OFF Control

In “ON/OFF” control, the control output turns OFF when the currently controlled temperature reaches a preset set point. When the manipulated variable turns OFF, the temperature begins to fall and the control turns ON again. This operation is repeated at a c ert ain point. At th is time, how much the temperature must fall before control turns ON again is determined by the “hysteresis (OUT1)” parameter. Also, how much the manipulated variable must be adjusted in response in the increase or decrease in the process value is determined by “direct/reverse operation” parameter.

3-7-1 ON/OFF Control

• Switching between 2-PID control and ON/OFF control is carried out by the “PID ON/OFF” parameter (initial setting level). When this parameter is set to “pid”, 2-PID control is selected, and when set to “onof”, ON/OFF control is selected. Default is “onof”.

Hysteresis • With ON/OFF control, hysteresis is used to stabilize operation when

switching between ON and OFF. The control output (OUT1) and control output (OUT2) fun ctions ar e set in the hysteresis (OUT1) and hysteresis (OUT2) functions respectively.

• In standard control (heating or cooling control), the setting of the “hysteresis (heating)” parameter in the adjustment level is used as the hysteresis regardless of whether the control type is heating co ntrol or cooling control.

Revers operation

OFF PV

Hysteresis (OUT1)

Set point

3-position control • In hea ting/cooling contro l, a dead band ( an area where bot h control out-

puts are “0”) can be set to either the heating or cooling side. This makes it possible to use 3-position control.

Dead band

Hysteresis (OUT2)

Cooling side

Parameters

Revers operation

Hysteresis (OUT1)

Heating side

OFF

Set point

Symbol Parameter Name: Level Description

s-hc Standard or heating/cooling: Initial setting level For specifying control method cntl PID ON/OFF: Initial setting level For specifying control method orev Direct/reverse operation: Initial setting level For specifying control method c-sc Cooling coefficient: Adjustment level Heating/cooling control c-db Dead band: Adjustment level Heating/cooling control hys Hysteresis (OUT1): Adjustment level ON/OFF control chys Hysteresis (OUT2): Adjustment level ON/OFF control

Page 53

Using ON/OFF Control Section 3-7

3-7-2 Settings

To execute ON/OFF control, set the “set point,” “PID ON/OFF” and “hysteresis” parameters.

Setting the PID ON/OFF parameter

Operation Procedure

In this example, let’s first check that the “PID ON/OFF” parameter is set to “onof” in the “initial setting level”.

Operation level

100

Initial setting level

in-t

cntl

onof

SP Setting

Operation Procedure

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

Input type

PID ON/OFF

level” to the “initial setting level”.

2. Display the “input type” parameter in the initial setting level.

3. Select the “PID ON/OFF” parameter by pressing the key.

4. Check that the set value is “onof” (default).

5. Press the key for at least 1 second to return to the “operation level”.

Next, set the set point value. In this example, the set point is set to 200. The set value (i.e., the SP) is

shown at the bottom of the display.

Operation level

100

200

PV/S

1,2,3... 1. In the operation level, select “PV/SP”.

2. Use the key to set the SP value (for example: 200). After pressing the key or waiting for at least two seconds, this value will be fixed.

Page 54

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

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

3-8-1 AT (Auto-tuning)

• When you execute auto-tuning, the optimum PID constants for the set point during pro gram execution are automatic ally set by forcibly changin g the manipulated variable to calc ulate the characteris tics (called the “limit cycle method”) of the control target.

• To execute AT (auto-tuning), specify “on: AT execute”, and to cancel AT (auto-tuning), specify “off: AT cancel” .

• AT (auto-tuning) cannot be executed when control has stopped o r during ON/OFF control.

• The result of AT (auto-tuning) is reflected in the “proportional band (P),” “integral time (I)” and “der ivative time (D)” parameters in the “ adjustment level”.

Adjustment level

Proportional band

8.0

Integral time

233

Derivative time

AT Operations AT (auto-tuning) is started when the “AT execute/cancel” parameter is set to

“ON”. During execution of AT, the No.1 display for the “AT execute/cancel” parameter blinks. When AT ends, the “AT execute/cancel” parameter turns OFF, and the No.1 display stops blinking.

AT execute/cancel No.1 displa

If you move to the “operation level” during AT execution, the No.2 display blinks to indicate that AT is being executed.

PV/SP No.2 displa

off

100

During AT execution

100

During AT execution

Only the “communications writing”, “run/stop” and “AT execute/cancel” parameters can be changed during AT execution. Other parameters cannot be changed.

Page 55

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

Operation Procedure

Adjustment Level

Operation level

Execute auto-tuning (AT).

1,2,3... 1. Pres s the key for less than one second to move from the “operatio n

AT execute/ cancel

level” to the “adjustment level”.

2. Press the key to start execution of AT (auto-tuning). “on” is displayed during AT execution.

3. “off ” is displayed when AT ends.

4. To return to the “operation level,” press the key.

About PID parameters

When control characteristics are already known, the PID parameters can be set directly to adjust control. PID parameters are set in the "proportional band" (P), "integral time" (I) and "derivative time" (D) parameters in the "adjustment level".

Page 56

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

3-8-2 ST (Self-tuning)

ST (self-tuning) is a fun ction that finds PID cons tants by using step res ponse

Operation Procedure

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

Initial setting level

Input typ

tuning (SRT) when Controller operation begins or when the set point is changed. Once the PID constan ts have been calculated, ST is no t executed when the next control operation is started as long as the set point remains unchanged.

ST (self-tuning) is executed when the “ST” parameter is set to “ON” in the “initial setting level”. When the ST function is in operatio n, be sure to turn the power supply of th e load connected to the control output ON simultaneously with or before starting operation of the E5AZ/E5EZ.

Execute self-tuning (ST).

level” to the “initial setting level”.

2. Select the “ST” parameter by pressing the key.

3. Press the key to select “on” (default).

4. To return to the “operation level,” press the key. The temperature display blinks during self-tuning (ST) execution.

3-8-3 ST Start Conditions

Self-tuning by step response tuning (SRT) is started when the following conditions are met after program execution is started and the set point is changed.

At Start of Program Execution When Set Point Is Changed

1. The set point at the start of program execution differs from the set point (See note 1.) when the previous SRT was executed.

2. The difference between the temperature at start of program execution is larger than (current proportional band the (ST stable range) whichever is larger.

3. The temperature at the start of program execution is smaller than the set point during reverse operation, and is larger than the set point during direct operation.

4. No reset from input error

×1.27+4°C) or

1. The new set point differs from the set point (see note 1) used when the previous SRT was executed.

2. The set point change width is larger than (current proportional band stable range) whichever is larger.

3. During reverse operation, the new set point is larger than the set point before the change; and during direct operation, the new set point is smaller than the set point before the change.

4. The temperature is in a stable state (see note

2). (An equilibrium state is acceptable when the output is 0% when the power is turned ON.) (See note 3.)

×1.27+4°C) or the (ST

Note (1) The previous SRT-imp lemented set point is called th e s et poi nt o bta ine d

by calculating the PID constant by the previous SRT.

(2) In this state, the measurement point is within the ST stable range.

Page 57

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

(3) In this state, the change width of the PV every 60 secon ds is at the ST

stable range or less.

PID constants are not modified for the currently preset set point by self-tuning (ST) in the following instances:

1,2,3... 1. When the PID constants have been changed manually with ST set to ON.

2. When auto-tuning (AT) has been executed.

3-8-4 ST Stable Range

The ST stable range is a condition for determining the conditions under which ST (self-tuning) functions.

°C.

Operation Procedure

1,2,3... 1. Select the “ST stable range” parameter by pressing the key in the “ad-

Advanced function setting level

ST stable rang

In this example, let’s set the ST stable range to 20

vanced function setting level”. To move to this level, see 4-8 Moving to the Advanced Function Setting Level.

3-8-5 Manual Setup

Operation Procedure

Adjustment level

1,2,3... 1. Pres s the key to move from the “operation level” to the “adjustment

AT execute/ cancel

off

8.0

Proportional band

2. Set to 20

The individual PID co nstants can be manual ly set in the “prop ortional band”, “integral time”, and “derivative time” parameters in the “adjustment level”.

In this example, let’s set the “proportional band” parameter to “10.0”, the “integral time” parameter to “250” and the “derivative time” parameter to “45”.

level”.

2. Select “proportional band” by pressing the key

°C (deviation) using the or key.

3. Press the or key to set the parameter to “10.0”.

10.0

Page 58

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

Integrated time

4. Select “integral time” by pressing the key.

233

5. Press the or key to set the parameter to “250”.

250

Derivative time

6. Select “derivative time” by pressing the key.

7. Press the or key to set the parameter to “45”.

8. To return to the “operation level,” press the key.

Proportional Operation

When PID constants I (integral time) and D (derivative time) are set to "0", control is executed according to proportional operation. The default set point becomes the center value of the proportional band. Related parameter "manual reset value" (adjustment level)

Page 59

Alarm Outputs Section 3-9

• When P (proportional band) is adjusted

When P is increased The curve rises gradu ally, and

Set Value

a long stable time is achieved, preventing overshoot.

When P is decreased

Set Value

Overshoot and hunting occur, however the set point is quickly reached after which the curve stabilizes.

• When I (integral time) is adjusted

When I is increased It takes a long time f o r the pro-

When I is decreased Overshoot/undershoot and

Set Value

cess value to reach the set point. It takes time to achieve a stable state, however there is little overshoot/undershoot and hunting.

hunting occur, and the curve rises quickly.

• When D (derivative time) is adjusted

When D is increase d Overshoot/ undershoo t and

When D is decreased

Set Value

stable time are reduce d, ho wever, fine hunting occurs on changes in the curve itself.

Overshoot/undershoot increase, and it takes time for the process value to reach the set point.

3-9 Alarm Outputs

• Alarm outpu t conditions are determined by a co mbination of the “alarm type”, “alarm value” and “alar m hysteresis” paramete rs. For details, refer to 4-2 Alarm Hysteresis.

• The following describes the “alarm type”, “alarm value”, “upper-limit alarm” and “lower-limit alarm” parameters.

Page 60

Alarm Outputs Section 3-9

3-9-1 Alarm Types

Set

Value

Alarm Type Alarm Output Operation

When alarm value

X is positive

0 Alarm function OFF Output OFF 1 Upper- and lower-limit

(deviation)

ON OFF

(See note 1.)

2 Upper-limit (deviation)

ON OFF

3 Lower-limit (deviation)

ON OFF

4 Upper- and lower-limit

range (devi atio n) (See note 1.)

ON OFF

5 Upper- and lower-limit

alarm with standby sequence (de vi atio n)

(See note 1.)

ON OFF

(See note 5.)

6 Upper-limit alarm with

standby sequence (deviation)

ON OFF

When alarm value X

is negative

(See note 2.)

ON OFF

(See note 3.)

(See note 4.)

ON OFF

7 Lower-limit alarm with

standby sequence (deviation)

8 Absolute-value upper-limit

9 Absolute-value l ower -limit

10 Absolute-value upper-limit

with standby sequence

11 Absolu te-value lower-limit

with standby sequence

ON OFF

Note (1) With set values 1, 4 and 5, the uppe r- and lower-l imit values can be set

independently for each alarm point, and are expressed as “L” and “H”.

(2) Set value 1: Upper- and lower-limit alarms

Case 1 Case 2

H< 0.L <0 H<L

H> 0.L <0

H>L

Case 3 (ON in regular situations)

H< 0.L <0

LSP

HLL

H< 0.L >0

H≥L

H> 0.L <0

H≤L

Page 61

Alarm Outputs Section 3-9

(3) Set value 4: Upper- and lower-limit range alarm

Case 2Case 1 Case 3 (OFF in regular situations)

≥

≤

(4) Set value 5: Upper- and lower-limit alarms with standby sequence

• The upper- and lower-limit alarms described above.

• In cases 1 and 2, if there is significant overlap between the upper- and lower-limit values after hysteresis, the alarm will always be OFF. Examples of case 1 and 2 : In case 3, under general c onditions, the alarm is turned OFF.

(5) Set value 5: Upper- and lower-limit alarms with standby sequence

If there is significant overlap between the upper- and lower-limit values after hysteresis, the alarm will always be OFF.

3-9-2 Alarm Values

al 1l al 2l al 3l al 1h al 2h al 3h al -1 al -2

Alarm value lower-limit

Alarm value upper-limit

Alarm value

• Alarm values are indicated by “X” in the table on the previous page. When the upper and lower limits are set independently, “H” is displayed for upper limit values, and “L” is displayed for lower limit values.

• To set the alarm value for the upper and l ower limits for deviation, se t the upper and lower limits in eac h o f the “a la r m 1 upper limit”, “alar m 2 upper limit”, “alar m 3 up per l imit”, “ alar m 1 lower li mit”, “ala rm 2 lower limit” an d “alarm 3 lower limit” parameters (operation level).

al -3

Operation Procedure

Set “alarm 1” to the upper-limit alarm. The following shows related parameters and setups. In this example, the alar m output is active when the set point is exceeded by “10

“alarm 1 type” = “2: upper-limit alarm (devi ation)” “alarm value 1” = “10”

°C”. (The temperature unit in this example is “°C”.)

Page 62

Alarm Outputs Section 3-9

Initial setting level

in-t

alt1

Operation level

100

al-1

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

Input level

Alarm 1 type

PV/SP

Alarm value 1

level” to the “initial setting level”.

2. Select the “alarm 1 type” parameter by pressing the key. Confirm that the set value is 2. The default value is 2 (Upper-limit alarm).

3. To return to the “operation level”, press the key for at least one second.

4. Select “alarm value 1” by pressing .

al-1

3-9-3 Alarm Delays

a3on

5. Press the key to set the parameter to “10”.

• Creates a delay between the time the P V value reaches the alarm ON/ OFF set point and the tim e of a larm output. Alarm del ay may be set independently for alarms 1, 2, and 3.

• This level is under the advanced function se tting level. Before changing settings, please verify that the protection function has been disabled.

a3of

Operation Procedure

Set alarm 1 O N delay to "10 secon ds". Relevant parameters and s ett ings ar e given below. In this example, alarm output will begin after a "10 second" delay.

“alarm 1 ON delay” = “10”

Page 63

Alarm Outputs Section 3-9

Initial setting level

1,2,3... 1. Press the key for at least 3 seconds, switching from the "operation lev-

Input level

in-t

amoV

-169

Advanced function setting level

init

off

Switch to advanced function setting level

el" to the "initial setting level".

2. Pres s the key to select the "advanced func tion setting level". Switch to the advanced function setting level.

3. Use the keys to set the parameter to " function setting level.

4. To set "alarm1 ON delay" press the key and select the " alarm 1 ON delay" parameter.

−169".Enter the advanced

a1on

Alarm 1 ON delay

5. Use the key to set 10 second (delay).

Page 64

Using Heater Burnout Alarm (HBA) Section 3-10

3-10 Using Heater Burnout Alarm (HBA)

3-10-1 HBA Detection

• Heater burnout detection works as follows.

1,2,3... 1. Con nect the current transformer ( CT) to termina ls 15 and 16, and in sert

To CT terminal

Heater lead

the heater lead through the CT hole. For specifications, models and external dimensions of current transformers that can be used on this controller, refer to Current Transformer (CT) in Appendix.

2. Wh en current flows through thi s lead, the current transfor mer generates AC current propor tional to the current value. The E5A Z/E5EZ measures this AC current to calculate the current flowing to the heater.

3. If the heater is burned out, the measured current decreases and falls below the heater burnout de tection value. The output is then activated as the heater burnout alarm.

• Set the heater burnou t set value in the “ heater bur no ut detec tion” pa rameter (adjustment level). To monitor the current value of t he current transformer, use the “heater current monitor” parameter.

• When you are not using the HBA function, set the “heater burnout” parameter (advanced function setting level) to “OFF”.

• For models with HBA, an OR output is established between the AL M 1 function and the HBA. If the ALM1 function is to be used for HBA only, set 0 as the ALM1 type and do not use ALM1.

3-10-2 Operating Conditions

• The HBA function can be used when the option unit (E53-AZH) is mounted on the E5AZ/E5EZ. Be sure to connect the CT to the E5AZ/ E5EZ, and pass the heater lead through the CT hole.

• Turn the heater ON at the same time as or before turning the E5A Z/E5E Z ON. If the heater is turned ON after turning the E5AZ/E5EZ ON, the heater burnout alarm will activate.

• Control is continued even if the heater burnout alarm is ac tive. (That is, the E5AZ/E5EZ attem pts to control the heater on which the heater burnout alarm has not occurred.)

• The heater burnout alar m is detec ted when the cont rol output is cont inuously ON for 190 ms or more.

• The rated current value may sometimes differ slightly from the actual cur rent flowing to the heater. Check the current value in an ac tual operating state in the “heater current monitor” parameter.

• If there is little difference between th e current in a normal s tate and the current in the burnout state, detection may become unstable. On a heater of current 10.0 A or less, maintain a difference of 1.0 A or more. On a heater of current 10.0 A or more, maintain a difference of 2.5 A or more.

• The HBA function cannot be used when the heater is controlled by a phase control system or c ycle con t rol s ys tem . Al so, 3-phase heat ers c annot be used.

When heater burnout is detected on a 3-phase heater, use the K2CU-F@@A-@GS (with gate input terminal). See the respective datasheet for details.

Page 65

Using Heater Burnout Alarm (HBA) Section 3-10

3-10-3 Setup

To activate the heater burnout alarm, set the “HB ON/OFF” parameter (advanced function setting level) to “ON” and the heate r burnout set value in the “heater burnout detection” parameter (adjustment level).

Operation Procedure

In this example, let’s set the “heater burnout detection” parameter to “2.5”.

Moving to the advanced function setting level

The default of the “heater burnout” parameter is already “ON”, so set the “heater burnout detection” parameter.

1,2,3... 1. Move to the advanced function setting level.

Operation level

PV/SP

Press the key for at least three seconds to move from the “operation level” to the “initial setting level”.

100

Initial setting level

Input type

in-t

amoV

-169

Advanced function setting level

init

Move to advanced function setting level

off

HB ON/OFF

hbu

2. Then move to “advanced function setting level” by pressing the key.

3. Press the key to enter the password (“ tial setting level” to the “advanced function setting level”.

The top parameter in the “advanced function setting level” is displayed.

4. Select the “HB ON/OFF” parameter by pressing the key. Make sure that this parameter is set to “ON” (default).

Next, let’s set the “heater current value monitor” parameter.

−169”), and move from the “ini-

Page 66

Using Heater Burnout Alarm (HBA) Section 3-10

Setting heater burnout detection

Operation level

100

Adjustment level

off

0.0

PV/SP

AT execute/ cancel

Heater current value monitor

Heater burnout detection

5. Pres s the key for at least one second to move from the “advanced function setting level” to the “initial setting level” and then to the “operation

level”.

6. Pres s the key for less than one second to move from the “operatio n level” to the “adjustment level”.

7. Se lect the “heater current value monitor” paramete r by pressing the key. Check the current value. Next, set the “heater burnout detecti on” pa-

rameter.

8. Select the “heater burnout detection” parameter by pressing the key. Set the current value as a reference value. Set this set value so that there

is a large difference between the curr ent flowing to the heater lead when heater operation is normal and the current flowing w hen a he ater burnout occurs.

9. For example, set “2.5”. To return to the “operation level”, press the key for less than one second.

2.5

Page 67

Using Heater Burnout Alarm (HBA) Section 3-10

3-10-4 Calculating Detection Current Values

• Calculate the set value by the following equation:

Set value =

• To set the current for heater burnout when two or more heaters ar e connected through the CT, use the value from when the heater with the smallest current burns out. If all of the heaters have the same current, use th e value from when any one of them burns out.

• Make sure that the following conditions are satisfied: Heater with a current of less than 10.0 A: (Current value at nor mal operation) 1 A When the difference is less than 1 A, detection is unstable. Heater with a current of 10.0 A or more: (Current value at nor mal operation)

2.5 A When the difference is less than 2.5 A, detection is unstable.

• The setting range is 0.1 to 49.9 A. Heate r burnout is not detected when the set value is “0.0” or “50.0”. When the set value is “0.0”, the hea ter burnout alar m is set to “OFF”, and if the set value is “50. 0”, the heater burnout alarm is set to “ON”.

• Set the total current value at normal heater operation to 50 A or less. When set to “55. 0 A”, “ffff ” is displayed in the “heater current monitor” parameter.

3-10-5 Application Examples

(current value at normal operation + current value at heater burnout)

− (Current value at heater burn out) ≥

Parameters

Example 1 When using a 200 VAC , 1 kW heater

15 16

Control output

200 VAC

1000

Current during normal operation = Current at heater burnout = 0 A

Set value = (current at normal operation − current at heater

burnout) = 5 − 0 = 5 A (

5 + 0

= 2.5 A

≥

1 A))

= 5 A (< 10 A)

200

Heater

1 kw

E5AZ/E5EZ

Example 2 When using three 200 VAC , 1 kW heaters

1 kw × 3

15 16

Control output

Current at normal operation =

200 VAC

Current at burnout of one heater = Set value =

(current at normal operation − current at heater

burnout) = 15−10 = 5 A (≥ 2.5 A))

15 + 10

= 12.5 A

1000

× 3 = 15 A (≥ 10 A)

200

1000

200

× 2 = 10 A

Heater

E5AZ/E5EZ

Symbol Parameter: Level Description

ct Heater current value monitor: Adjustment level For heater current value monitor hb Heater burnout detection: Adjustment level For HBA detection hbh Heater burnout hysteresis: Advanced function setting level For HBA detection hbl Heater burnout latch: Advanced function setting level For HBA detection

Page 68

Requests during Operation Section 3-11

3-11 Requests during Operation

1,2,3... 1. Ab out four seconds is required for outputs to tur n ON when the power is

turned ON. T ake this into consideration when the temperature controller is incorporated into a sequence circuit.

2. Allow at least 30 minutes for warming up.

3. Wh en self-tuning is used, tur n the temperature controller and load (e.g. heater) ON simulta neously or turn the load ON before the temperat ure controller. If the load is turned ON after the temperature controller, correct self-tuning and optimum control are no longer possible. When operation is star ted after war m-up, turn the power OFF once a fter warm-up is com pleted , and then turn the temperature c ontr oller and load ON simultaneously. (Instead of turning th e temperature controller power ON again, moving from the STOP to the RUN mode also is possible.)

4. The temperature controller may be subjec t to the influence of radio interference if used near a radio, TV or wireless equipment.

Page 69

Requests during Operation Section 3-11

Page 70

SECTION 4

Applications Operations

This section describes scaling, the SP ramp function, and other special functions that can be used to make the most of the functionality of the E5AZ/E5EZ Digital Temperature Controllers.

4-1 Shifting Input Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4-1-1 Shifting Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

4-1-2 How to Calculate Input Shift Values for a Two-point Shift . . . . . . . 53

4-1-3 One-point Shift Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4-1-4 Two-point Shift Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

4-1-5 Example of Two-point Temperatu re Input Shift. . . . . . . . . . . . . . . . 55

4-2 Alarm Hysteresis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4-2-1 Standby Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4-2-2 Alarm Latch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

4-2-3 Close in Alarm/Open in Alarm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4-2-4 Alarm Delays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4-3 Setting Scaling Upper and Lower Limits (for Analog Inputs) . . . . . . . . . . . . 59

4-3-1 Analog Input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

4-4 Executing Heating/Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4-4-1 Heating/Cooling Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

4-4-2 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

4-5 Using Event Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4-5-1 Event Input Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

4-5-2 How to Use the Multi-SP Function. . . . . . . . . . . . . . . . . . . . . . . . . . 63

4-5-3 Settings by Key Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

4-5-4 Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

4-5-5 Executing Run/Stop Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

4-6 Setting the SP Upper- and Lower-Limit Values . . . . . . . . . . . . . . . . . . . . . . . 67

4-6-1 Set Point Limiter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

4-6-2 Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

4-7 Using the SP Ramp Function (to Limit the SP Change Rate) . . . . . . . . . . . . 69

4-7-1 SP Ramp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

4-8 Moving to the Advanced Function Setting Level . . . . . . . . . . . . . . . . . . . . . . 71

4-9 Using the Key Protect Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

4-9-1 Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Page 71

Shifting Input Values Section 4-1

4-1 Shifting Input Values

4-1-1 Shifting Inputs

• The input shift type matche d to the senso r curre ntly se lecte d in the “inpu t type” parameter is displayed.

One-point shift • Two-point shift is applied only for infrared temperature sensors.

• With one-point shift, only the value set to the “Temperature input shift” parameter (adjustment level) is applied to the entire temperature input range. For example, if the input shift value is set to “1.2 value is treated as “201.2 value is 200

°C.

Temperature

Upper-limit value

Lower-limit value

°C” after input shift is ap plied when th e pro cess

After shift

Before shift

Input shift value

100

°C”, the process

Input

Operation Procedure

Operation level

200

Adjustment level

off

in5

0.0

in5

1.0

In this example, let’s shift the input of the K sensor by “1 shift.

Operation level

1,2,3... 1. Pres s the key to move from the “operation level” to the “adjustment

level”.

Temperature input shift

2. Select the “temperature input shift” parameter by pressing the key.

3. Press the or key to set “1.0”.

°C” by one-point input

Operation level

20.0

4. To return to the “operation level,” press the key. The process value is

°C larger than before shift is applied.

Page 72

Shifting Input Values Section 4-1

Two-point shift • Separate shift values can be se t for the upper limit and lower li mit of the

Upper-limit temperature input shift value

Lower-limit temperature input shift value

sensor input range for an infrare d sensor. If different shift values are set for the upper limit and lower limit, then the slope of the line will be different before and after applying the in put shift. For example, if the upper-limi t value is set to 2 ature will be shifted by 1.5

°C and the lower-limit value is set to 1°C, the input temper-

°C for a 50% input, i.e., by the average of the

upper-limit and lower-limit values.

• Set the upper-limit value in th e “upper-limit temperature input s hift value” parameter and the lower-limit value in the “lower-lim it temperature input shift value” parameter.

Temperature

Upper-limit value

Lower-limit value

Upper-limit temperature input shift value

After shift

Before shift

Lower-limit temperature input shift value

100

Input

4-1-2 How to Calculate Input Shift Values for a Two-point Shift

When the infrared temperature sensor model ES1B is connected to the E5AZ/ E5EZ, an offset of several degrees to several tens of a degree can occur.

For this reason, offset the readout value by one-point or two-point shift as described in th is item. This off set occurs a s a bias current for detec ting controller sensor erro r flows to the ou tput impeda nce of the infrared tem perature sensor. Two-poi nt shift can be carried out on ly on infrared temperature sensors, and cannot be set for other input types.

[Preparations]

1,2,3... 1. Se t a temperature range matchi ng the input specif ications of the infrare d

temperature sensor. (ES1B is supported only in thermocouple input types on the E5AZ/E5EZ.)

2. Prepare a thermometer capable of measuring the temperature of the control target as shown in Figure 1 so that one-point shift or two-point shift can be carried out.

Page 73

Shifting Input Values Section 4-1

Infrared temperature sensor

Figure 1 Configuration When Compensating an Infrared Temperature Senso

4-1-3 One-point Shift Method

1,2,3... 1. In the configuration shown in Figure 1, bring the set point to near the value

at which the temperature of the control target is to be controlled. Let’s assume that the control target temperature (C) and the control target temper-

Adjustment level

in5h

in5l

Upper-limit temperature input shift value

Lower-limit temperature input shift value

ature (B) are matching.

2. Che ck the control target temperature (B) and the controller readout (A). Take the following value as the input shift value, and set the same numerical values to “insl” and “insh”.

control target temperature (B) - controller readout (A)

Figure 2 shows the effect of one-point temperature input shift.

3. Af ter you have set the input s hift values, check cont roller readout (A) an d control target temperature (B). If they are almost the same, this completes temperature input shift.

Temperature readout after shift (e.g. 120°C)

Temperature readout before shift (e.g. 110°C)

− +

(A) E5EZ Temperature controller

Controller readout (A)

(B) Thermometer

After shift

Input shift value (e.g. 10°C)

Before shift

4-1-4 Two-point Shift Method

Use two-point input s hift if you want to increase th e accuracy of the r eadout values across the range of the sensor.

1,2,3... 1. Shift the controller readout by two points, near room temperature and near

the value at which the temperature of the control target is to be controlled. For this reason, bring the control target temperature to near room temperature and to near the set point, and check control ta rget temperature ( B) and controller readout (A).

Temperature readout of

Figure 2 One-point Temperature Input Shift

Near set point (e.g. 120°C)

control target (B)

Page 74

Shifting Input Values Section 4-1

2. Using equat ions (1) an d (2) calc ulate the up per- an d lower-limi t temp erature input shift values from the reado ut an d tem pera tur e to b e sh ift ed tha t you obtained in step 1. Figure 3 shows the effect of shift by two-point temperature input shift.

Controller readout (A)

Set temperature upper limit YH (e.g. 260°C)

Temperature readout after input shift X2 (e.g. 110°C)

Temperature readout before input shift Y2 (e.g. 105°C)

Temperature readout before input shift Y1 (e.g. 40°C)

Temperature readout after input shift X1 (e.g. 25°C)

Lower-limit temperature input shift value

Figure 3 Two-point Temperature Input Shift

X1 room temperature

(e.g. 25°C)

Set temperature lower limit YL (e.g. 0°C)

Near X2 set point (e.g. 110°C)

• Use the following equation to calcu late the lower-limit temperature input shift value.

YL − Y1

= × {(X2 − Y2) − (X1 − Y1)} + (X1 − Y1)...equation 1

insl

Y2 − Y1

After shift

Upper-limit temperature input shift value

Before shift

Temperature readout of control target (B)

• Use the following equation to calculate the uppe r-limit temperature inpu t shift value.

insh

Y2 − Y1

YH − Y1

= × {(X2 − Y2) − (X1 − Y1)} + (X1 − Y1)...equation 2

3. After you have set the calculated values to “insl” and “insh”, check controller readout (A) and control target temperature (B).

4. Altho ugh the input sh ift was carr ied out at two points, c lose to roo m temperature (ambient temperatu re), and near to the set point, s elect points close to each end of the sensor range to im pr ove accuracy across th e full range of the sensor measurement range.

Note Before selecting these values, check that they will not damage the

controller if applied.

4-1-5 Example of Two-point Temperature Input Shift

In this example, we use the ES1B K 0 to 260°C specification. In eq uations 1

°C and the set temperature upper

°C for a set point temperature X2 of

Adjustment level

in5l

-27

Lower-limit temperature input shift value

and 2, the set temperature lower limit YL is 0 limit YH is 260

°C. Check the temperature of the control target.

The temperature input o ffset values ca n be calcu lated as shown below whe n the Controller readout Y1 is 40

°C for a room temperature X1 of 25°C and

when the Controller readout Y2 is 105

°C.

110 Lower-limit temperature input shift value

0 − 40

= × {(110 − 105) − (25 − 40)} + (25 − 40) = −27.3 (°C)

insl

105 − 40

in5h

Upper-limit temperature input shift value

260 − 40

= × {(110 − 105) − (25 − 40)} + (25 − 40) = 52.7 (°C)

insh

105 − 40

Page 75

Alarm Hysteresis Section 4-2

4-2 Alarm Hysteresis

• The hysteresis of alar m outputs when ala rms are switched ON /OFF can be set as follows:

OFF

• Alarm hysteresis is set i nde pen den tly for each ala rm in the “alarm hysteresis 1”, “alarm hysteresis 2” and “alarm hysteresis 3” parameters (advanced function setting level). Default is “0.2”.

4-2-1 Standby Sequence

• “Standby sequence” is a function which allows the alar m outputs to be temporarily disabled while the first alarm condition oc curs. From here on, the alarm output is active for future alarm conditions.

• For example, with a lower limit alarm , the proces s value will nor mally be below the set point, i.e., within the alarm range, when the power supply is turned ON, causing an alarm to be output. If the lower limit alarm wi th a sta ndby seque nce is sele cted, a n alar m wi ll not be output until the process value increases above the alarm set value, i.e., until it leaves the alarm range, and then falls back below the alarm set value.

Upper-limit alarm

Alarm hysteresis

Alarm value

OFF

Lower-limit alarm

Alarm value

Alarm hysteresis

Restart • The standby sequence is canceled when an alar m is output. It is, how-

ever, restarted later by the “standby sequence reset” parameter (advanced function setting level). For details, see the “standby sequence reset” parameter in Section 5 Parameters.

4-2-2 Alarm Latch

• The alarm latch ca n be used to keep the alarm ou tput ON regardless of the temperature once the alar m ou tput has turn ed ON. Th e ala rm o utput will turn OFF when the power is turned OFF.

• (The alarm ou tput can also be tur ned OFF by switching to the initial setting level, communications setting level, or advanced function setting level.)

Page 76

Alarm Hysteresis Section 4-2

4-2-3 Close in Alarm/Open in Alarm

• When the E5AZ/E5EZ is set to “ close in alarm,” the status of the alar m output is norm ally open. When set to “open in alar m,” the status of the alarm output is output inverted or normally closed.

• Alarm type and close in alarm (norma lly open)/open in alarm (no rmally closed) can be set independently for each alarm.

• Close in alar m/open in alarm is set in the “alar m 1 to 3 open in alarm” parameters (advanced function setting level). Default is “n-o: close in

alarm”.

Alarm Output Function Output Alarm LCD

Close in alarm

Open in alarm

• Alarm output t urns OFF (relay contact open) at a power in terruption an d for about two seconds after the power is turned ON regardless of the close in alarm/open in alarm setting

ON ON Lit OFF OFF Out ON OFF Lit OFF ON Out

Summary of alarm operations

4-2-4 Alarm Delays

The figure below visually summ arizes the above description of alar m operations (when alarm type is set to “lower-limit alarm with standby sequence” and E5AZ/E5EZ is set to “close in alarm”).

Alarm type: lower-limit alarm with standby sequence

Alarm value

Alarm hysteresis

Time

Standby sequence

Alarm

canceled

Output

ON OFF

ON (closed) OFF (open)

When “alarm 1 open in alarm” (advanced function setting level) is set to “open in alarm”, th e he ate r bur n out a la r m and input error output als o bec ome “ope n in alarm.”

• When "alarm t ype" is not set to "0: alar m function OFF", th en alarm ON/ OFF delays can be set independently.

• Using the "alarm 1 to 3 ON/OFF delay" parameter (advanced function setting level), users can set alar m delay times independent ly. The default is "0: alarm no delay".

Page 77

Alarm Hysteresis Section 4-2

The following figure shows an example of absolute-value upper-limit alarms to illustrate the effect of delay function on alarm output.

Example) Absolute-value Upper-limit Alarm

Alarm Value

Alarm Output (no delay feature)

Alarm Output (with delay)

Condition Switching Point

≤

ON Delay

t21>T

OFF Delay

ON Delay

OFF Delay

Hysteresis Amoun

Prevents Frequent Switching.

Parameters

During a delay, if an alarm ON/OFF status changes, delay will occur again.

Note 1. During a delay, the alarm display and communications status will also be de-

layed.

2. During a delay, if an alarm ON/OFF status changes, delay will occur again.

3. When power is turned on, or the initial setting level changes to the operation level, the ON delay will be used.

4. All outputs will turn OFF and the OFF delays will not function when moving to the initial setting level or when an alarm is output for a heater burnout error.

Symbol Parameter Level Description

alh

Alarm 1 to 3 hysteresis:

Alarm

Advanced Function Setting Level

rest Standby Sequence Reset:

Alarm

Advanced Function Setting Level

Alarm 1 to 3 Open in Alarm:

Alarm

Advanced Function Setting Level

@on

@of

Alarm 1 to 3 ON delay: Advanced Function Setting Level

Alarm 1 to 3 OFF delay:

Alarm

Advanced Function Setting Level

@:1, 2, or 3

Page 78

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

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

Inputs)

4-3-1 Analog Input

Scaling upper limit

Scaling lower limi

Decimal point

• When an analog in put (voltage input) i s selecte d, scaling ma tched to th e

control is possible.

• Scaling is set in the “scaling upper limit”, “scaling lower limit” and “decimal

point” parameters (initial setti ng l evel). These parameters ca nno t be u se d when temperature input type is selected.

• The “scaling upper limit” parameter sets the physical quantity to be

expressed by the upper limit value of input, and the “sc aling lower limit” parameter sets the physical qu antity to be expressed by the lower-limit value of input. The “decimal point” parameter specifies the number of digits below the decimal point.

• The following figure shows a sca ling example of 0 to 50 mV input. A fter

scaling, the humidity can be directly read.

Readout (humidity)

50 mV

Upper-limit value (95.0%)

Lower-limit value (10.0%)

0 mV

100%FS

Input (0 to 50 mV)

Page 79

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

Operation Procedure

Initial setting level

in-t

in-h

100

in-h

950

in-l

In this example, let’s set the scaling upper- and lower-limits to display 0 to 50 mV as 10.0% to 95.0%.

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

level” to the “initial setting level”.

Input type

Scaling upper limit

Scaling lower limit

2. Select “scaling upper limit” by pressing .

3. Press the or key to set the parameter to “950”.

4. Select “scaling lower limit” by pressing .

in-l

100

Decimal point

5. Press the or key to set the parameter to “100”.

6. Select the decimal point position by pressing .

7. Press the or key to set the parameter to “1”.

8. To return to the “operation level” press the key for at least one second.

Page 80

Executing Heating/Cooling Control Section 4-4

4-4 Executing Heating/Cooling Control

4-4-1 Heating/Cooling Control

Heating/cooling control can be used on E5@Z-@3@@ controllers. Heating/ cooling control op erates when “h-c: heating /cooling ” is se lected i n the “standard or heating/coo ling” parameter (initial sett ing level). Select the standard heating control or cooling control according to the following table:

Setting Output

Control Method Direct/reverse

Standard control Reverse operation Control output

Standard control Direct operation Cont rol output

Heating/cooling control

operation

Reverse operation Control output

Direct operation Control output

(Parameter default is heating control (standard).)

• When heating/cooling control is selected, the “cooling coefficient” and

“dead band” parameters can be used.

Control output 1 Control output 2

(heat)

(cool)

(heat)

(cool)

Control output (cool)

Control output (heat)

Cooling coefficient If the heating/cooling characteristics of the control target greatly differ, pre-

venting satisfactory control characte ristics from being obtained by the same PID constants, adjust the propor tional band (P) at the cooling s ide using the cooling coefficient to balance control between the heating/cooling sides. In heating/cooling con trol, P at the heating or c ooling side is calculated by the following formula:

Control output 1 side P = P Control output 2 side P = P

× cooling coefficient

The cooling coeffici ent is applied to control output 1 s ide P to obtain control whose characteristics (control output 2 side P) differ from those on the control output 1 side.

Output

Control output 1 side P × 1.0

Control output 1 side P

0 0

Set point

Control output 1 side P × 0.8

Control output 2 side P

PV PV

Output

Control output 1 side P × 1.0

Control output

1 side P

Set point

Control output 1 side P × 1.5

Control output 2 side P

Dead band The dead band is set with the set point as its center on the E5@Z-@3@@.

The dead band width is t he set value of the “dead band” parameter ( adjustment level). Setting a negative value produces an overlap band. Default is “0.0EU.”

Page 81

Executing Heating/Cooling Control Section 4-4

Output

Heating side

Set

4-4-2 Settings

To set heating/cooling control, set the “standard or he ating/cooling”, “coolin g coefficient” and “dead band” parameters.

Setting heating/cooling control

Operation Procedure

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

Initial setting level

Standard/ heating and cooling

“Standard or heating/cooling” = “heating and cooling”

level” to the “initial setting level”.

2. Select “heating/cooling control” in the “initial setting level”.

Dead band: dead band width = positive

Cooling side

oint

Output

PV PV

stnd: Standard control h-c: Heating/cooling control

Overlap band: dead band width = negative

Heating side Cooling side

oint

Set

Setting cooling coefficient

Operation Procedure

1,2,3... 1. Select “cooling coefficient” in the “adjustment level”.

Adjustment level

c-5c

Cooling

coefficient

1.00

c-5c

10.00

Cooling coefficient = 10

In this example, set th e parameter to “10”.

2. Press the or key to set the parameter to “10.00”.

The setting range is 0.01 to 99.99.

Page 82

Using Event Inputs Section 4-5

Setting dead band

Operation Procedure

Adjustment level

1,2,3... 1. Select “dead band” in the “adjustment level”.

Dead band

“dead band” = “5”

c-db

0.0

c-db

The setting range is

5.0

4-5 Using Event Inputs

4-5-1 Event Input Settings

• By event input, either of multi-SP or RUN/STOP can be selected for use.

• Of these, the multi-SP function, event input is used only for the number (0

to 2) set in number of multi-SP uses” (advanced function setting level).

• Event inputs (1 and 2) that are not used for the multi-SP function are

assigned using the “event input assignme nt 1” and “event input assignment 2” parameters (advanced function setting level).

• When an option unit (E53-AZB) is mou nted on the E5AZ/E5 EZ, the func-

tions listed in the following table can be used.

Number

Multi-SP

Uses

0 NONE or STOP (See note.) NONE or RUN/STOP switching

1– (not dis-

2 – (not displayed) Multi–SP 4 set points

2. Press the or key to set the parameter to “5.0”.

Setting Event Input Function

Event input

assignment 1

played)

−199.9 to 999.9.

Event input

assignment 2

NONE or STOP

Event input 1

function

(See note.) Multi–SP 2 set

points (set point 0/1 switching)

(set point 0/1/2/3 switching)

Event input 2

NONE or RUN/STOP switching

function

Note “STOP (RUN/STOP) switching” can be set only on one of event in-

put assignments 1 or 2. The event input on the side that is set can be used. The setting on the other side becomes “NONE”.

E5AZ/E5EZ

EV1

EV2

When you are setting two external input set points, set in the “number of multi-

EV1

SP uses” parameter.

• Switching is possible between two set points (0 and 1) by setting the

EV2

“number of multi-SP uses” parameter to 1. The default setting is 1 and does not need to be change d to switch between two set points. Set point 0 or 1 is specified by the ON/OFF state of event input 1.

4-5-2 How to Use the Multi-SP Function

With multi-SP, preset four set points (SP 0 to 3) in the adjustment level, a switch the set point eithe r by operating the keys or by external input si gnals (event input).

Page 83

Using Event Inputs Section 4-5

When multi-SP is used by event input

Multi-SP can be us ed when the option event input unit E53 -AZB is mounted on the E5AZ/E5EZ and “number of multi-SP uses” is set to “1” or “2”.

• When “number of multi-SP uses” is set to “1”

Event input 1 Selected Set Point

OFF Set point 0 ON Set point 1

• When “number of multi-SP uses” is set to “2”

Event input 1 Event input 2 Selected Set Point

OFF OFF Set point 0 ON OFF Set point 1 OFF ON Set point 2 ON ON Set point 3

Note Event input can be used when the option event input unit

E53-AZB is mounted in the E5AZ/E5EZ. Select event input ON/ OFF while the E5AZ/E5EZ i s turn ed ON. Judgment of event input ON/OFF is carried out on event inputs of 50 ms or more.

4-5-3 Settings by Key Operation

You c an select set points 0 to 3 by changing the set value of the “multi-SP” parameter. The “multi-SP” display conditions are as follows:

• When the option event input unit E 53-AZB is not mounted in t he E5AZ/

E5EZ, and “multi-SP” is set to “ON”

• When the option event input unit E53-AZB is moun ted in the E 5AZ /E 5E Z,

the “number of multi-SP uses” is set to “0” and “multi-SP” is set to “ON”

The following table shows the relationsh ip between the “multi S P” parameter set value and the selected set point.

Multi-SP Selected Set Point

0Set point 0 1Set point 1 2Set point 2 3Set point 3

4-5-4 Settings

To select set points (0/1/2/3)

Operation Procedure

Before you set the “number of multi SP uses,” cancel protection and move to the “advanced function setting level”. For details on how to cancel protec tion, refer to 4-9 Using the Key Protect Level.

Page 84

Using Event Inputs Section 4-5

Operation level

PV/SP

100

Initial setting level

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

Input type

in-t

amoV

-169

Advanced function setting level

init

off

Number of multi-SP uses setting

eV-m

Move to advanced function setting level

Parameter initialization

Number of multi-SP uses

level” to the “initial setting level”.

2. Select “Move to advanced function setting level” by pressing the key.

3. Press the or key to enter “

You can move to th e “ad v an ced funct ion set ti ng l e v e l” b y pr essi ng t he key or leaving the setting for at least two seconds.

4. Select “Number of multi-SP uses” by pressing the key.

−169” (password).

eV-m

5. Press the or key to set the parameter to “2”.

6. To return to the “initial setting level”, press the key for at least one sec-

ond.

7. To return to the “operation level”, press the key for at least one sec-

ond.

Set points 0, 1, 2 and 3 are set according to the ON/OFF states of event inputs 1 and 2.

E5AZ/E5EZ

EV1

EV2

EV1

EV2

−

Page 85

Using Event Inputs Section 4-5

4-5-5 Executing Run/Stop Control

When “event input assignment 1” or “event input assi gnment 2” is set to “r un/ stop”, control star ted when event input 1 or 2 becomes “OFF”. Control is stopped when event input 1 or 2 be comes “ON”. However, alarm output will be ON according to alarm setting. While control is stopped, STP (stop) lights.

Setting Input Contact State

Event input 1 or 2 ON STOP Event input 1 or 2 OFF RUN

Note When “number of multi-SP us es” is set to “0” o r “1” that is not th e

set point setting, run/stop control is possible according to event inputs.

Event input assignments 1 and 2 ar e as follows according to the “number of multi-SP uses” setting.

Number

Multi-SP

Uses

0 NONE STOP NONE RUN/STOP

1 – (setting data

2 – (setting data

Event input

assignment 1

STOP NONE RUN/STOP

NONE NONE NONE NONE

not displayed)

– (setting data not displayed)

not displayed)

Setting Event Input Function

Event input

assignment 2

STOP Multi–SP 2 set

NONE Multi–SP 2 set

– (setting data not displayed)

Event input 1

function

switching

points (set point 0/1 switching)

Multi–SP 4 set points (set point 0/1/2/3 switching)

Event input 2

switching NONE

RUN/STOP switching

NONE or RUN/STOP switching

function

Parameters

• When the number of mul ti- S P us es i s s et to ei ther 1 o r 2, and event input

assignment 1 or 2 is set to “not displayed,” the setting automatically becomes “none.”

• When the “number of mult i-SP uses” is set to “0”, and both input assi gn-

ments 1 and 2 can be set, RUN/STOP is assigned to only one event assignment. The other event assignment is automatically set to OFF.

• When the RUN/STOP function is used for event inputs, RUN/STOP at the

run level is not displayed.

Symbol Parameters: Level Description

ev-1 Event input 1 assignment:

Advanced function setting level

ev-2 Event input 2 assignment:

Advanced function setting level

ev-n Num be r of multi-SP us es:

Advanced function setting level

For event input function

Page 86

Setting the SP Upper- and Lower-Limit Values Section 4-6

4-6 Setting the SP Upper- and Lower-Limit Values

4-6-1 Set Point Limiter

The setting range of the set point is limited by the set p oint limiter. The set point limiter is used to prevent the control target from reach ing abno rmal temperatures. The upper- and lower-limit values of thi s set point limiter are set by the “set point upper limi t” and “set point lower limit” param eters in the “initial setting level”, respectively. However, note that when the set point limiter is reset, the set po int is forcibly chan ged to the upp er - or l ower-limi t value o f th e set point limiter if the set poin t is out of the li miter range. Also, when the input type and temperature unit are changed, the set point limiter is forcibly reset to the sensor setting range.

Sensor range

Set point limiter

Setting range

Changed to the new upper limit value

Changed to upper limit value

Input type changed

Set point Upper- and lower-limit values of the limiter

Sensor upper- and lower-limit values

B (setting possible)

(setting impossible)

Set point

Parameters

Symbol Parameters: Level Description

sl-h Set point upper limit: Initial setting level For limiting SP setting sl-l Set point lower limit: Initial setting level For limiting SP setting

Page 87

Setting the SP Upper- and Lower-Limit Values Section 4-6

4-6-2 Setting

To set the set point upper and lower limits, set in the “set point upper limit” and “set point lower limit” parameters in the “initial setting level”. This example describes how to s et the set point limiter “ thermocouple.

−200 1300 Sensor range

Set point limiter

−200 to 1300°C” to input type K

1000−100

Setting the set point upper limit

Operation Procedure

Initial setting level

1,2,3... 1. Pres s the key for at least three seconds to move from the “operation

Input type

Set the “set point upper limit” parameter to “1000”.

level” to the “initial setting level”.

in-t

sl-h

Set point upper limit

2. Select “set point upper limit”.

1300

3. Press the or key to set the parameter to “1000”.

sl-h

1000

Setting the set point lower limit

Operation Procedure

1,2,3... 1. Select “set point lower limit” in the “initial setting level”.

Set point lower limit

Set the “set point lower limit” parameter to “−100”.

sl-l

-200

2. Press the or key to set the parameter to “

sl-l

-100

−100”.

Page 88

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

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

Rate)

4-7-1 SP Ramp

With the SP ramp function, the c on tr oll er op erate s acc ordi ng to th e value (se t point during SP ramp) limited by a change rate. The inter val in which the set point during SP ramp is limited is referred to as the “SP ramp”.

SP after change

SP before change

Change point

SP ramp

SP ramp set value

Time unit of ramp rate (min.)

Time

The change rate during SP ramp is specified by the “SP ramp set value” parameter. The “SP ramp set value” default is “OFF”, and the SP ramp function is disabled.

Changing of the ramp set point can be moni tored in the “set point dur ing SP ramp” parameter (operation level). Use this parameter during monitoring of the SP ramp.

Operation is the same also during switching of the set points by multi-SP.

Parameters

Symbol Parameters: Level Description

ol-h MV upper limit :

Advanced function setting level

ol-l MV lower limit:

Advanced function setting level

sl-h Set point upper limit:

Initial setting level

sl-l Set point lower limit:

Initial setting level

sprt SP ramp set value:

Advanced function setting level

For limiting manipulated variable

For limiting SP setting

For limiting SP change rate

Page 89

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

Operation at start If the SP ramp func tion is enabled when the E5AZ/E5EZ is tur ned ON, and

when “run” is switched to from “s top,” the process value may reach the set point after SP ramp in the same way as when the set point is changed. In this case, operation is carried out with the process value regarded as the set point before the change was made. The direction of the SP ramp chan ges according to the r elationship between the process value and the set point.

Restrictions during SP ramp operation

Set point

PV < SP

SP SP

SP ramp

Set point

Time

Power ON

PV > SP

SP ramp

Same change rate

Power ON

• Execution of auto-tuning starts after the end of SP ramp.

• When control is sto pped or an error occurs, the SP ramp fun ction is disabled.

Time

Page 90

Moving to the Advanced Function Setting Level Section 4-8

4-8 Moving to the Advanced Function Setting Level

In the default setting, the a dvanced func ti on se ttin g l evel is protected an d you cannot move to this setting level. To move to this setting level, you must first cancel the protection applied by the “protect level. ” See 4-9 Using the Key Pro- tect Level.

1,2,3... 1. Pres s th e and keys simultaneously for at least th re e sec on ds i n

the “operation level.” Note The key pressing time can be changed in ”Move to protect level

time” (advanced function setting level).

Protect level

oapt

"operation/ adjustment protect"

2. The c ontroller moves to the protect level, and “operation/adj ustment protect” is displayed.

icpt

Operation level

100

Initial setting level

in-t

"initial setting/ communications protect"

PV/SP

Input type

3. Press the key once to move to “initial setting/communications protect. ”

4. Set the set value to “0”

5. Press the and keys simultaneously to return to the “operation level.”

6. Press the key for at least three seconds to move to the “initial setting level” from the “operation level.”

amoV

-169

Advanced function setting level

init

off

Move to advanced function setting level

7. Select the “Move to advanced function setting level” parameter by pressing the key.

8. Press the or key to enter the password (“ the key or leave the setting for at least two seconds to move to the “ad-

vanced function setting level” from the “initial setting level.”

−169”), and either press

Page 91

Using the Key Protect Level Section 4-9

4-9 Using the Key Protect Level

4-9-1 Protection

• To move to the protect level, press the a nd keys simultaneously for at least three seconds.

• The protect level protects parameters that are not changed during controller operation until operation is started to prevent them from being modified unintentionally.

• The protect level setting restricts the range of parameters that can be used.

Operation/adjustment protect

Initial setting/ communications protect

The following table shows the relationship between set values and the range of protection.

Level Set value

0123

Operation level

Adjustment level

PV/SP

Other

××

×××

: Can be displayed and changed

: Can be displayed

: Cannot be displayed and move to other level not possible

• When this parameter is set to “0”, parameters are not protected.

• Default is “0”.

This protect level restrict s movement to the initial setting level, communications setting level and advanced function setting level.

Set

value

0 1 2

Initial

setting

level

Communica-

tions setting

level

Advanced func-

tion setting level

×× ×

: Move to other

levels possible

× : Move to other

levels not

ossible

• Default is “1”.

Setting change protect This protect level protects setup from being changed by operating the keys on

the front panel.

Set

value

OFF Setup can be changed by key operation. ON Setup cannot be changed by key operation. (The protect level can be

changed.)

Description

• Default is “OFF”.

Page 92

This section describes the individual parameters used to setup, control, and monitor operation.

5-1 Conventions Used in This Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

5-1-1 Meanings of Icons Used in This Section . . . . . . . . . . . . . . . . . . . . . 74

5-1-2 About Related Parameter Displays. . . . . . . . . . . . . . . . . . . . . . . . . . 74

5-1-3 About the Order in Which Parameters Are Described in This Section 74

5-2 Protect Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

5-3 Operation Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

5-4 Adjustment Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

5-5 Initial Setting Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

5-6 Advanced Function Setting Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

5-7 Communications Setting Level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

SECTION 5

Parameters

Page 93

Conventions Used in This Section Section 5-1

5-1 Conventions Used in This Section

5-1-1 Meanings of Icons Used in This Section

Describes the functions of the parameter.

Function

Describes the setting range and defaults of the parameter.

Settin

Describes the monitor range.

Monitor

Describes the parameter operations.

Example of use

Describes related parameters and items.

See

5-1-2 About Related Parameter Displays

Parameters are displayed only when the “Conditions of Use” on the right of the parameter heading are satis fied. However, note that the settings of protected parameters are sti ll valid, and are not displayed regardless of th e conditions of use.

The control must be 2-PID control.

Conditions of use

Displayed symbol

AT Execute/cancel

Parameter name

5-1-3 About the Order in Which Parameters Are Described in This

Section

Parameters are described level by level. The first page of each l evel lists the parameters available in that level. The

parameter names in thi s list are li sted in the o rder that they are d isplayed on the E5AZ/E5EZ.

Page 94

Protect Level Section 5-2

5-2 Protect Level

Three levels of protection are provided on the E5AZ/E 5EZ, “operat ion/adjustment protect”, “initial setting/communications protect” and “setting change protect.” These protect levels prevent unwanted operation of the keys on the front panel in varying degrees.

oapt

icpt

wtpt

Power ON

Operation level

1 second min.

To move from the operation Level to the protect level, press the and keys for at least three seconds.

key

Adjustment level

Control in progress

+ key

1 second min.

Operation/adjustment protect

Initial setting/communications protect

Setting change protect

Protect level

+ key

3 seconds min.

Protect level

Operation/adjustment protect

Initial setting/ communications protect

Setting change protect

The settings of protected parameters are not displayed and so cannot be modified.

Page

Function

Setting

This parameter specifie s t he ra nge of p arame ters to b e p ro tected. indicates the default.

■ Operation/adjustment protect

The following table shows t he relation ship bet ween set val ues and the rang e of protection.

Level Set value

0123

Operation level

Adjustment level

PV/SP

Other

××

×××

: Can be displayed and changed : Can be displayed

: Cannot be displayed and

moving to other levels is not possible

• Parameter items are not protected when the set value is set to “0”.

Page 95

Protect Level Section 5-2

■ Initial setting/communications protect

Move to the “initial setting level,” “communications setting level” and “advanced function setting level” is restricted.

Set

value

0 1 2

■ Setting change protect

Changes to setups by key operation are restricted.

Set value Description

OFF Setup can be changed by key operation. ON Setup cannot be changed by key operation. (The protect level can be

Initial

setting

level

Communications setting

level

Advanced func-

tion setting level

×× ×

changed.)

: Movement possible

: Movement not possible

Page 96

Operation Level Section 5-3

5-3 Operation Level

Display this level when you are to carr y out control operation s on the E5AZ/ E5EZ. You can set alarm values or mon itor the manipulated variable in this level.

Power ON

Operation level

key

1 second min.

Initial setting level

key

less than 1 sec.

Adjustment level

key 3 seconds min.

key No.1 display flashes.

key

less than 1 sec.

Control stops

Communications setup level

Control in progres Control stopped

This level is automatically displayed immediately after the E5AZ/E5EZ is turned ON. To move to other levels, press the key or the and keys.

Page 97

Operation Level Section 5-3

Operation level

PV/SP

Multi-SP

Set point during SP ramp

Heater current value monitor

Run/stop

Alarm value 1

Alarm value upper-limit 1

Page

Alarm value 2

Alarm value upper-limit 2

Alarm value lower-limit 2

Alarm value 3

Alarm value upper-limit 3

Alarm value lower-limit 3

MV monitor (OUT1)

MV monitor (OUT2)

Page

Alarm value lower-limit 1

Page 98

Operation Level Section 5-3

Function

Monitor

See

Function

PV/SP

The “additional PV display” parameter must be set to “ON”.

The process value i s displayed o n the No .1 displa y, and noth ing is dis played (blank) on the No.2 display.

Monitor Range Unit

Process Value

Input indication range (See page 133.) EU

During temperature input, the decimal point position depends on the currently selected sensor , and during analog input, it depend s on the “decimal point” parameter setting.

■ Related parameters

“Input type” (initial setting level) “Set point upper limit” “Set point lower limit” (initial setting level)

The process va lue is display ed on the No.1 di splay, and the set point is di splayed on the No.2 display.

Monitor Range Unit

Process Value

Input indication range (See page 133.) EU

Monitor

See

m-sp

Function

Set Point Set point lower limit to set point upper limit EU

During temperature input, the decimal point position depends on the currently selected senso r, and during analog i nput, it depends on the "decimal point" parameter setting.

Refer to the PV parameter.

Multi-SP (set point 0 to 3)

Multi-SP allows you to set up to four set points (SP 0 to 3) in adjustment level. These can be switched by operating the keys on the front panel or by external input signals (event input). In the parameter, enter set points 0 to 3.

Setting Range Unit

The “multi-SP uses” parameter must be set to “ON”.

Page 99

Operation Level Section 5-3

The “SP ramp set value” parameter

sp-m

Function

Monitor

See

Set point during SP ramp

This parameter monitors the set point during SP ramp. “Ramp” is a function for restricting the change width of the set point as a

change rate. The set value is displa yed when “SP ramp set value” param eter (advanced function setting level) is set. When the set point is out of the preset ramp, the set point is matched to the

set point set in the “PV/SP” parameter.

Monitor Range Unit

SP: Set point lower limit to set point upper limit EU

■ Related parameters

“PV/SP” (operation level) “SP ramp set value” (advanced function setting level) “Set point upper limit” “Set point lower limit” (initial setting level)

must not be set to “OFF”.

Function

Monitor

See

Heater current value monitor

This parameter measures th e h eate r cu rrent value from the CT input used for detecting heater burnout.

Measures and displays the heater current value.

Monitor Range

0.0 to 55.0 A

• When the current exceeds 55.0 A, “ffff” is displayed.

■ Related parameter

“Heater burnout detection” (adjustment level)

The “heater burnout” parameter must be set to “ON”.

Unit

Page 100

Operation Level Section 5-3

The run/stop function m ust not be set to event input assignments 1 and 2.

Function

See

Run/Stop

This parameter specifies run and stop. When “run: run” is selected, control is running. When “stop: stop” is

selected, control is stopped. When control is stopped, the STOP display lights. Default is “run”.

When the run/stop function is being controlled by event input, the run/stop function cannot be set by operating the keys on the front panel.

al-3

Function

Setting

See

Alarm value 1

Alarm value 2

Alarm value 3

This parameter sets the input value “X” in the alarm type list.

• This parameter is used for setti ng the alar m values of alar m outputs 1 t o

• During temperature inpu t, the decimal point position i s dependent on th e currently selecte d sensor, and durin g analog input, i t is depe ndent on th e “decimal point” parameter setting.

The alarm type must be set to other than upper- and lower-limit alarm.

■ Related parameters

“Input type” “Scaling upper limit” “Scaling lower limit” “Decimal point” “Alarm 1 type” “Alarm 2 type” “Alarm 3 type” (initial setting level) “Alarm 1 open in alarm” “Alarm 2 open in alarm” “Alarm 3 open in alar m” “Alarm 1 hysteresis” “Alarm 2 hysteresis” “Alarm 3 hysteresis” “Standby sequence reset”, “Alarm 1 to 3 latch” (advanced function setting level)

The alarm type must be set to other than upper- and lower- limit alarm.

The control must be set to standard control. (Alarm value 3 only)

Setting Range

−1999 to 9999 EU 0

Unit Default

Omron E5AZ, E5EZ User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

E5AZ/E5EZ Digital Temperature Controller

Preface

WARRANTY

Safety Precautions

Precautions for Safe Use

Precautions for Correct Use

Related Manuals

Conventions Used in Th is Manual

About this Manual:

1-1 Names of Parts

1-1-1 Front Panel

1-1-2 Meaning of Indicators

1-1-3 Using the Keys

1-2 I/O Configuration and Main Functions

1-2-1 I/O Configuration

1-2-2 Basic Model

1-2-3 Main Functions

1-3 Setting Level Configuration and Key Operations

1-3-1 Selecting Parameters

1-3-2 Fixing Settings

1-4 Communications Function

2-1 Installation

2-1-1 Dimensions

2-1-2 Panel Cutout

2-1-3 Mounting

2-1-4 Setting up the Option Units

2-2 Wiring Terminals

2-2-1 Terminal Arrangement

2-2-2 Precautions when Wiring

2-2-3 Wiring

2-3 Requests at Installation

2-3-1 To Ensure Prolonged Use

2-3-2 To Reduce the Influence of Noise

2-3-3 To Ensure High-precision Measurement

3-1 Initial Setting Examples

3-2 Setting the Input Type

3-2-1 Input Type

3-3 Selecting the Temperature Unit

3-3-1 Temperature Unit

3-4 Selecting PID Control or ON/OFF Control

3-5 Setting Output Specifications

3-5-1 Control Period

3-5-2 Direct/Reverse Operation

3-6 Setting the Set Point (SP)

3-6-1 Changing the SP

3-7 Using ON/OFF Control

3-7-1 ON/OFF Control

3-7-2 Settings

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

3-8-1 AT (Auto-tuning)

3-8-2 ST (Self-tuning)

3-8-3 ST Start Conditions

3-8-4 ST Stable Range

3-8-5 Manual Setup

3-9 Alarm Outputs

3-9-1 Alarm Types

3-9-2 Alarm Values

3-9-3 Alarm Delays

3-10 Using Heater Burnout Alarm (HBA)

3-10-1 HBA Detection

3-10-2 Operating Conditions

3-10-3 Setup

3-10-4 Calculating Detection Current Values

3-10-5 Application Examples

3-11 Requests during Operation

4-1 Shifting Input Values

4-1-1 Shifting Inputs

4-1-2 How to Calculate Input Shift Values for a Two-point Shift

4-1-3 One-point Shift Method

4-1-4 Two-point Shift Method

4-1-5 Example of Two-point Temperature Input Shift

4-2 Alarm Hysteresis

4-2-1 Standby Sequence

4-2-2 Alarm Latch

4-2-3 Close in Alarm/Open in Alarm

4-2-4 Alarm Delays