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Omron E5AK User Manual

E5ak series digital controller
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Cat. No. H083-E1-02A
E5AK
Digital Controller

USER MANUAL

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Summary of Contents for Omron E5AK

  • Page 1: User Manual

    Cat. No. H083-E1-02A E5AK Digital Controller USER MANUAL...
  • Page 2 Terms. Please EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABIL- contact your Omron representative to confirm any additional terms for sales ITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE GOODS. from your Omron company.
  • Page 3 (2) No patent liability is assumed with respect to the use of the information contained herein. (3) Moreover, because OMRON is constantly striving to improve its high-quality products, the information in this manual is subject to change without notice. Every precaution has been taken in the preparation of this manual.

  • Page 4: Conventions Used In This Manual

    Conventions Used in This Manual J Meanings of Abbreviations Sometimes the following abbreviations are used in parameter names, figures and in text explanations. These abbreviations mean the following. Abbreviation Term Process value Set point Remote set point Local set point Loop break alarm Heater burnout Auto-tuning...
  • Page 5 J Notice: OMRON products are manufactured for use according to proper procedures by a qualified opera- tor and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. Always heed the information provided with them.

  • Page 6: Chapter 1 Introduction

    Chapter 4 Applied Operation These chapters describe the Chapter 5 Parameters important functions of the E5AK and how to use the parameters for making full use of the E5AK. D Using a Position-propor- Chapter 4 Applied Opera- This chapter describes the func- tion/4.1 Selecting the Control...

  • Page 7: Pay Attention To The Following When Installing This Controller

    F If you remove the controller from its case, never touch nor apply shock to the electronic parts inside. F Do not cover the area around the E5AK. (Ensure sufficient space around the controller to allow heat radiation.) F Use a voltage (AC100-240V or AC/DC24V at 50 to 60 Hz).

  • Page 8: Table Of Contents

    ..... . 4--1 This chapter describes each of the parameters required for making full use of the features of the E5AK. Read this chapter while referring to the parameter descrip- tions in chapter 5. 4.1 Selecting the Control Method .
  • Page 9 ..... . 8--1 This chapter describes how to find out and remedy the cause if the E5AK does not function properly.
  • Page 10 CHAPTER 1 INTRODUCTION CHAPTER CHAPTER 1 INTRODUCTION This chapter introduces the E5AK. First-time users should read this chapter without fail. For details on how to use the controller and parameter settings, see Chapters 2 onwards. 1.1 Names of parts ......

  • Page 11: Names Of Parts

    P 2-8 Rear case Front panel This page J Front panel Bar graph No.1 display Operation indicators No.2 display OUT1 OUT2 MANU SUB1 SUB2 SUB1 SUB2 OUT1 OUT2 STOP MANU STOP E5AK A/M key Display key Down key Up key 1--2...

  • Page 12: About The Displays

    · AT : Flashes during auto-tuning. F Bar graph On a standard type controller (E5AK-AA2), this bar graph indicates the manipulated variable (heat) in 10% increments per single segment. On a position-proportional type controller (E5AK-PRR2), this bar graph indi- cates the valve opening in 10% increments per single segment.

  • Page 13: Input And Output

    Error 2 Error 3 J Input The E5AK supports following inputs: temperature input, current input, voltage input, CT input/Potentiometer, remote SP input and event input. F Temperature input/Voltage input/Current input · Only one of temperature input, voltage input and current input can be selected and connected to the controller.
  • Page 14 Nine output units are available to suit the output circuit configuration. When using transfer output, add on the communication unit (E53-AKF). Note: The output functions of the E5AK do not operate for five seconds af- ter the E5AK is turned ON.
  • Page 15 Control output (cool) Position-proportional E5AK-PRR2 AC100-240 Open/Close control E5AK-PRR2 AC/DC24 F Transfer output The E5AK supports the following six transfer outputs. Set point Set point during SP ramp Process value Heating side manipulated variable Cooling side manipulated variable Valve opening...

  • Page 16: Parameters And Menus

    1.1 Names of parts 1.3 Parameters and Menus J Parameter types E5AK parameters are distributed between the following nine modes. Protect mode Manual mode Level 0 mode Level 1 mode Level 2 mode Setup mode Expansion mode Option mode Calibration mode...

  • Page 17: Selecting Modes

    CHAPTER 1 INTRODUCTION to match the type of option unit set in the controller. Heater burnout latch function, position-proportional travel time and remote SP scaling param- eters are also located in this mode. F Calibration mode This mode is provided so that the user can calibrate inputs and transfer output.

  • Page 18: Selecting Parameters

    1.1 Names of parts F Setup mode · If you select [ ] or [ ] in the menu display, the F Expansion mode setup, expansion, option and calibration modes, respectively, are F Option mode selected. F Calibration mode · When these modes are selected, the control is reset. So, control outputs and auxiliary output are turned OFF.

  • Page 19: About The Communications Function

    CHAPTER 1 INTRODUCTION 1.4 About the Communications Function The E5AK can be provided with a communications function that allows you to check and set controller parameters from a host computer. If the communications function is required, add on the communications unit.

  • Page 20: About Calibration

    The E5AK controller is calibrated before shipment from the factory. So, the user need not calibrate the E5AK controller during regular use. However, if the E5AK controller must be calibrated by the user, use the parameters provided for user to calibrate temperature input, analog input (voltage, current) and transfer output.
  • Page 21 CHAPTER 1 INTRODUCTION 1--12...
  • Page 22 PREPARATIONS This chapter describes the operations you should carry out before turn- ing the E5AK ON. 2.1 Setting up ......

  • Page 23: Setting Up

    CHAPTER 2 PREPARATIONS 2.1 Setting up · On a standard type controller, set up the output units for control outputs 1 and 2 before mounting the controller. · On a position-proportional type controller, the relay output unit is already set. So, this setup operation unnecessary. (Do not replace with other output units.) ·...

  • Page 24: Setting Up The Output Unit

    2.1 Setting up J Setting up the output unit F Before setup · Check the type of the output unit you are about to set up. · For details on types of output unit and main specifications, see page 2-9. F Procedure (1) Check the positions of the sockets you are about to insert the output units into as shown in the following diagram.

  • Page 25: Setting Up The Option Unit

    CHAPTER 2 PREPARATIONS J Setting up the option unit F Before setup · Check the type of the option unit you are about to set up. · For details on types of option unit and main specifications, see Appendix, Model List (page A-11) and Appendix, Option Unit Ratings and Charac- teristics (page A-4).

  • Page 26: Panel Cutout

    J Dimensions 13.5 MANU SUB1 SUB2 OUT1 OUT2 STOP E5AK J Panel cutout 110 mm min Unit (mm) 120 mm min +0.8 · Recommended panel thickness is 1 to 8 · Maintain the specified vertical and hori- zontal mounting space between each con- +0.8...
  • Page 27 CHAPTER 2 PREPARATIONS J Mounting (1) Insert the E5AK controller into the mounting hole in the panel. (2) Fit the mounting bracket (accessory) into the fixing slots on the top and bottom of the rear case. (3) Tighten the mounting bracket screws alternately a little at a time until the ratchet start to slide.

  • Page 28: Setting Up The Terminal Covers

    2.2 Installation F Setting up the terminal covers · Fasten the terminal covers (E53-COV0809) to protect terminals. · E5AK-VV2-500 controller is provided with terminal covers. · Use E53-COV09 for terminals 1 to 10, and E53-COV08 for terminals 11 to 33.

  • Page 29: Terminal Arrangement

    CHAPTER 2 PREPARATIONS 2.3 Wiring Terminals J Terminal arrangement AC100-240V EV1/2 (AC/DC24V RS232C 31 32 TRSF RS422 SOURCE RS485 OUT1 PTMR OUT2 EV3/4 SUB1 SUB2 TRSF : Transfer output EV1 to 4 : Event inputs PTMR : Potentiometer J Precautions ·...
  • Page 30 0 to 5 V 0 to 5 VDC, Permissible load impedance: 1 kW min., Resolution: Approx. 2600 With E5AK-PRR2 controllers, relay output (250 VAC, 1 A) is fixed.When replacing the output unit, use the E53-R. The following diagrams show the relationship between terminals and open/close relay settings.
  • Page 31 · Output specifications are as follows: SPST-NO, AC250V , 3A F CT input/ · When using the HBA function on the E5AK-AA2 controller, connect CT input (CT) to terminal Nos.15 to 17. When monitoring the valve opening Potentiometer on the E5AK-PRR2 controller, connect the potentiometer (PTMR) to 31 32 terminal Nos.15 to 17.
  • Page 32 2.3 Wiring Terminals F Event input · Connect event inputs 1 and 2 (EV1/2) to terminal Nos.18 to 20, and event events 3 and 4 (EV3/4) to terminal Nos.24 to 26. However, note that ter- 31 32 minal Nos.18 to 20 cannot be used on controllers having a communica- tions function.
  • Page 33 CHAPTER 2 PREPARATIONS 2--12...
  • Page 34 CHAPTER CHAPTER 3 BASIC OPERATION This chapter describes an actual example for understanding the basic operation of the E5AK. 3.1 Convention Used in this Chapter ..3.2 Setting Input Specifications ... . .

  • Page 35: Basic Operation

    CHAPTER 3 BASIC OPERATION 3.1 Convention Used in this Chapter This chapter describes basic E5AK operations such as how to set up parameters, start and stop operation, and adjusting control operation. For more complex control examples, refer to Chapter 4 Applied Operation and Chapter 5 Parameters.
  • Page 36 · An alarm is output when the humidity exceeds the upper limit value (70%) or lower limit value (50%). · Output unit: relay type (E53-R) for OUT1. Humidity sensor Humidifier Control target AC100-240V (AC/DC24V 31 32 SOURCE OUT1 SUB1 Alarm 1 (deviation upper-and lower-limit) 4 to 20mA E5AK-AA2 (OUT1 : E53-R) 3--3...

  • Page 37: Setting Input Specifications

    CHAPTER 3 BASIC OPERATION 3.2 Setting Input Specifications J Input type · Set the type No. (0 to 21) in the “input type” parameter. The factory set- ting is “2: K1 (thermocouple).” · For details on input types and setting ranges, see page 5-26. J Scaling ·...

  • Page 38: Input Type

    3.2 Setting Input Specifications In this example, let’s set the parameters as follows: Setting Example “input type” = “17 (4 to 20 mA)” “scaling upper limit value” = “950” “scaling lower limit value” = “100” “decimal point” = “1” (1) Select the menu display, and select [ ] (setup mode) using the keys.

  • Page 39: Setting Output Specifications

    CHAPTER 3 BASIC OPERATION 3.3 Setting Output Specifications Some output specifications are different according to controller type, standard or position-proportional. The following table summarizes which output-related parameter settings are supported. Position- Standard Parameter proportional Type Type Control output 1 assignment Control output 2 assignment Auxiliary output 1 assignment Auxiliary output 2 assignment...
  • Page 40 3.3 Setting Output Specifications · Factory settings are as follows: control output 1 = Control output (heat) control output 2 = Alarm 1 auxiliary output 1 = Alarm 2 auxiliary output 2 = Alarm 3. · Output assignments are set in the “control output 1 assignment”, “con- trol output 2 assignment”, “aux output 1 assignment”...
  • Page 41 CHAPTER 3 BASIC OPERATION In this example, let’s set the parameters as follows: Setting Example “control output 1 assignment” = “control output (heat)” “control output 2 assignment” = “alarm output 1” “direct/reverse operation” = “reverse operation” “control period” = “20 secs” “run/stop”...

  • Page 42: Setting Alarm Type

    · The contact conditions when alarm output is ON can be set to “open” or “closed” in the “close in alarm/open in alarm” parameter. J Alarm type · The following table shows the alarm types supported by the E5AK con- troller and their respective operations. Alarm Output Operation...

  • Page 43: Alarm Value

    CHAPTER 3 BASIC OPERATION J Alarm hysteresis · The hysteresis of alarm outputs when alarms are switched ON/OFF can be set as follows. Upper limit alarm Lower limit alarm Alarm hysteresis Alarm hysteresis Alarm value Alarm value · Alarm hysteresis is set independently for each alarm in the “alarm 1 to 3 hysteresis”...

  • Page 44: Alarm Hysteresis

    3.4 Setting Alarm Type When a set point for a temperature exceeds 10%, alarm1 will be output. Setting Example In this example, let’s set the parameters as follows: “alarm type 1” = “1: (deviation upper-and lower-limit)” “alarm value 1” = “10” “alarm hysteresis”...

  • Page 45: Protect Mode

    CHAPTER 3 BASIC OPERATION 3.5 Protect Mode J Security · This parameter allows you to protect until start of operation parameters that do not change during operation to prevent unwanted modification. · The set value of the “security” (protect) parameter specifies the range of protected parameters.

  • Page 46: Starting And Stopping Operation

    3.6 Starting and Stopping Operation 3.6 Starting and Stopping Operation · You can start and stop operation by changing the setting of the “run/ stop” parameter (level 0 mode). · You can switch the RUN/STOP function up to 100,000 times. ·...

  • Page 47: Adjusting Control Operation

    CHAPTER 3 BASIC OPERATION 3.7 Adjusting Control Operation J Changing the set · You can change the set point in the “set point” parameter (level 0 mode). · However, note that you cannot change the set point when the “security” point parameter (protect mode) is set to “6”.
  • Page 48 3.7 Adjusting Control Operation The following diagram summarizes manual operation. Manipulated variable (%) Balance-less, bump-less points Time Manipulated variable switched Manual Power inter- ruption Auto F Position-proportional type · When a potentiometer is connected to the controller, the process value is displayed on the No.1 display, and the valve opening is displayed on the No.2 display.
  • Page 49 CHAPTER 3 BASIC OPERATION J Auto-tuning · AT (auto-tuning) cannot be executed while operation is canceled or dur- ing ON/OFF control. (A.T.) · When you execute auto-tuning, the optimum PID parameters are auto- matically set by forcibly changing the manipulated variable to calculate the characteristics (called the “limit cycle method”) of the control target.
  • Page 50 (end of AT execution), the parameter automatically returns to ] (“AT cancel”). AT execute In addition to AT, the E5AK is also provided with fuzzy self-tuning (ST) that allows automatic calculation of the PID parameters suited to the control target. However, note that the ST function op- erates only during standard control by temperature input.
  • Page 51 CHAPTER 3 BASIC OPERATION 3--18...
  • Page 52 CHAPTER 4 APPLIED OPERATION This chapter describes each of the parameters required for making full use of the features of the E5AK. Read this chapter while referring to the parameter descriptions in chapter 5. 4.1 Selecting the Control Method ... .

  • Page 53: Manual Operation

    CHAPTER 4 APPLIED OPERATION 4.1 Selecting the Control Method When selecting the control method, set the parameters according to the following table. (Parameters are factory-set to heating control.) Parameter Control output 1 Control output 2 Direct/Reverse Control assignment assignment operations Method Heating control Control output (heat)

  • Page 54: Position-Proportional Control

    4.1 Selecting the Control Method J Position-propor- · Use the position-proportional type controller for position-proportional control. tional control · On a position-proportional type controller, control output 1 is used for open output, and control output 2 is used for close output. Accordingly, control outputs 1 and 2 cannot be used as output assignments.
  • Page 55 CHAPTER 4 APPLIED OPERATION J ON/OFF control · Switching between advanced PID control and ON/OFF control is car- ried out by the “PID / ON/OFF” parameter (expansion mode). When this parameter is set to [ ], advanced PID control is selected, and when set to [ ], ON/OFF control is selected.

  • Page 56: Operating Condition Restrictions

    If a limiter change in the manipulated variable exceeds this parameter setting, the value calculated by the E5AK is reached while changing the value by the per-second value set in this parameter. Output (%)

  • Page 57: Set Point Limiter

    CHAPTER 4 APPLIED OPERATION F Limiter operation The limiters are invalid or cannot be set when any of the following condi- conditions tions occurs: · During ON/OFF control · During ST execution · During AT execution (only by MV change rate limiter) ·...

  • Page 58: Manipulated Variable Restrictions

    4.2 Operating Condition Restrictions The change rate during the SP ramp is specified by the “SP ramp set value” and “SP ramp time unit” parameters. At the “SP ramp set value” default “0”, the SP ramp function is disabled. The set point changing in SP ramp can be monitored in the “Set point dur- ing SP ramp”...

  • Page 59: How To Use Event Input

    4.3 How to Use Event Input · When using event input, mount the option unit (E53-AKB). Up to two E53-AKB units can be mounted on the E5AK, and two event inputs can be used for each E53-AKB unit. E53-AKB × 1 unit : 2 event inputs E53-AKB ×...
  • Page 60 4.3 How to Use Event Input F Assignment · In this example, set four event inputs are used, the multi-SP function to example “2”, and event input 3 to “Run/Stop” and event input 4 to “Auto/ Manual”. Set as follows: (1) Set “multi-SP function”...

  • Page 61: Other Event Input Functions

    CHAPTER 4 APPLIED OPERATION J Other event input functions · Switch the parameter settings for each of the run/stop, remote/local and SP modes. · The switching operation of auto/manual is the same as that of the key. · There is no order of priority in event input and key operations. However, run/stop or auto/manual event inputs must be set to either of ON or OFF.

  • Page 62: How To Use The Remote Sp

    RSP scaling upper-and lower-limit values J SP mode · The set point held internally by the E5AK controller is referred to as the “local SP (LSP).” · If the multi-SP function is enabled, set points 0 to 3 are enabled for use SP mode as the local SP .

  • Page 63: Sp Mode

    CHAPTER 4 APPLIED OPERATION J Remote SP · In the remote SP mode, the remote SP can be monitored on the No.2 dis- play for PV/SP . In the local SP mode, the remote SP can be monitored in monitor the “remote SP monitor”...

  • Page 64: How To Use The Heater Burnout Alarm

    J Operating · Turn the heater power supply ON at the same time as or before turning the E5AK power supply ON. If the heater power supply is turned ON conditions after turning the E5AK power supply On, the heater burnout alarm is output.

  • Page 65: Heater Burnout Detection

    Current at normal operation = = 5A (< 10A) Current at heater burnout = 0A AC200V Set value = = 2.5A E5AK Example 2 : when using three 200 VAC, 1 kW heaters 1000 Control output Heater Current at normal operation = ×3 = 15A (≧...

  • Page 66: Lba

    4.6 LBA 4.6 LBA · The LBA (Loop Break Alarm) function can be used only on standard type controllers. · The LBA function can be used only when assigned as an output. Also, the LBA function does not work when a memory error or A/D converter error results.

  • Page 67: Lba Detection Time

    CHAPTER 4 APPLIED OPERATION F Setting the LBA · The LBA detection time is automatically set by auto-tuning (except in detection time heating and cooling control). · If the optimum LBA detection time cannot be obtained by auto-tuning, set the time in the “LBA detection time” parameter (level 2 mode). F Determining the ·...

  • Page 68: How To Use Transfer Output

    4.7 How to Use Transfer Output 4.7 How to Use Transfer Output · When using transfer output, add on the communications unit (E53-AKF). F Transfer output · You can select the following data items in the “transfer output type” type parameter (option mode) as the transfer outputs: Set point Set poing during SP ramp...
  • Page 69 CHAPTER 4 APPLIED OPERATION · If “input type”, “scaling upper/lower limit”, “SP limitter upper/lower limit”, or “_C/_F selection” parameters is changed when “set point”, “set point during SP ramp”, or “process value” parameter is selected, each of the “transfer output upper limit” and “transfer output lower limit”...
  • Page 70 CHAPTER 5 PARAMETERS CHAPTER CHAPTER 5 PARAMETERS This chapter describes the parameters of the E5AK. Use this chapter as a reference guide. Conventions Used in this Chapter ... . Protect Mode .

  • Page 71: Conventions Used In This Chapter

    Model J About parameter display On the E5AK controller, only parameters that can be used are displayed. These parameters are displayed only when the “Conditions of Use” on the right of the parameter heading are satisfied. However, note that the settings of protected parameters are still valid, and are not displayed regardless of the conditions of use.
  • Page 72 Protect Mode · The protect mode is for disabling (protecting) the functions of the menu key or key. Before changing parameters in this mode, first make sure that protecting the menu key or key will not cause any problems in operation. ·...

  • Page 73: A/M] Key Protect

    CHAPTER 5 PARAMETERS Protect Mode [A/M] key protect · Invalidate the function of the key. In other words, you cannot switch between the auto and manual operations by key operation. Function · [ key protect ON · [ key protect canceled ·...

  • Page 74: Manual Mode

    Manual Mode · In this mode, manual operations are possible, and the “MANU” LED lights. · When this mode is selected, the manipulated variable that was active immediately before the mode was switched to is output. When changing the manipulated variable, change it using the keys.
  • Page 75 CHAPTER 5 PARAMETERS Level 0 Mode · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0” to “4”. · The “PV/SP” parameter can be used when the “security” parameter is set to “5” or “6”.

  • Page 76: Remote Sp Monitor

    Level 0 Mode Level 0 Mode · Process value Monitor Range Unit Scaling lower limit -10%FS to scaling upper limit +10%FS Comment During temperature input, the range of the currently selected sensor is taken as the monitor range. · Set point Unit Default Setting Range/Monitor Range...

  • Page 77: Set Point During Sp Ramp

    · MV monitor (heat) Control Unit Monitor Range Standard -5.0 to 105.0 Monitor Heating and cooling 0.0 to 105.0 · MV monitor (cool) Control Unit Monitor Range Heating and cooling 0.0 to 105.0 E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model 5--8...
  • Page 78 Moniter Range -10 to +110 Monitor F Related article 4.1 Selecting the Control Methed/Position-proportional control (page 4-3) E5AK-PRR2 AC100-240 E5AK-PRR2 AC/DC24 Model Run/Stop · This parameter is used for checking the operating status of the controller, and for specifying start and stop of operation.
  • Page 79 CHAPTER 5 PARAMETERS Level 1 Mode · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0” to “3”. · This mode contains the main parameters for adjusting control. These parameters include parameters for executing AT (auto-tuning), setting the alarm values, setting the control period, and setting PID parameters.

  • Page 80: At Execute/Cancel

    Level 1 Mode AT Execute/Cancel Conditions of Use The controller must be in operation, con- trol must be advanced PID control, and ST must be set to OFF. · Selects the limit cycle of MV change width (40% or 100%) for execution. After AT execution, the “PID”...
  • Page 81 CHAPTER 5 PARAMETERS Level 1 Mode Unit Default Setting Range Set point lower limit to Set point upper limit Comment F Related article 4.3 How to Use Event Input (page 4-8) F Related parameters “Multi-SP function” “Remote SP enable” (option mode) “Set point”...

  • Page 82: Proportional Band

    Cooling side P = cooling coefficient ¢ P Function Unit Default Setting Range 0.01 to 99.99 None 1.00 Comment F Related article 4.1 Selecting the Control Method (page 4-2) F Related parameter “Proportional band” (level 1 mode) E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model 5--13...

  • Page 83: Dead Band

    Unit Default Setting Range -19.99 to 99.99 0.00 Comment F Related article 4.1 Selecting the Control Method (page 4-2) E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model Position-proportional Conditions of Use Control must be position-proportional con- dead band trol · Sets the output hold width during position-proportional control (ON/OFF switching point for open and close output).

  • Page 84: Manual Reset Value

    PD control. Function Setting Range Unit Default 0.0 to 100.0 50.0 Comment E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model Hysteresis (heat) Conditions of Use The control system must be ON/OFF con- trol. Hysteresis (cool) · Sets the hysteresis for ensuring stable operation at ON/OFF switching.
  • Page 85 1 to 99 Second Control period (cool) 1 to 99 Second Comment F Related article 3.3 Setting Output Specifications (page 3-6) F Related parameters “Control output 1 assignment” “Control output 2 assignment” (setup mode) E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model 5--16...

  • Page 86: Heater Current Monitor

    Monitor F Related article 4.5 How to Use the Heater Burnout Alarm (page 4-13) F Related parameters “Heater burnout” (level 1 mode) “HBA latch” (option mode) E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model Heater burnout Conditions of Use The HBA output function must be assigned.
  • Page 87 CHAPTER 5 PARAMETERS Level 2 Mode · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0” to “2”. · This mode contains the auxiliary parameters for adjusting control. These parame- ters include parameters for limiting the manipulated variable and set point, parame- ters for switching between remote and local operation, and parameters for setting the LBA (Loop Break Alarm), alarm hysteresis, and input digital filter values.
  • Page 88 Function on the E5AK controller. You can check the parameter setting by both communications and on the E5AK con- troller regardless of whether the controller is switched to remote or local operation. · When the event input to which “remote/local” is assigned is ON, the controller switches to the remote mode.

  • Page 89: Sp Ramp Set Value

    CHAPTER 5 PARAMETERS Level 2 Mode SP ramp time unit Conditions of Use ST must be set to OFF. SP ramp set value · Specifies the change rate during SP ramp operation. Set the maximum permissible change width per unit of time (minute or hour) as the “SP ramp set value”. However, note that when set to “0”, the SP ramp function is disabled.

  • Page 90: Mv At Pv Error

    Level 2 Mode LBA detection time Conditions of Use The LBA (Loop Break Alarm) function must be assigned as an output. · This parameter is automatically set by AT execution (excluding AT execution in a ON/OFF control). · The LBA is output if the change width of the process value falls below 0.2 %full-scale Function of the time preset to this parameter when the manipulated variable is set in the “MV upper limit”...

  • Page 91: Mv Change Rate Limit

    · The “MV upper limit” and “MV lower limit” parameters set the upper and lower lim- its of the manipulated variable. When the manipulated variable calculated by the E5AK controller is outside of the upper-and lower-limit range, the upper limit or Function lower limit set to these parameters is output, respectively.

  • Page 92: Input Digital Filter

    · Provides hysteresis at ON/OFF switching of open or close output in position-propor- tional control. Function Unit Default Setting Range 0.1 to 20.0 Comment F Related article 4.1 Selecting the Control Method/Position-proportional Control (page 4-3) E5AK-PRR2 AC100-240 E5AK-PRR2 AC/DC24 Model 5--23...
  • Page 93 CHAPTER 5 PARAMETERS Level 2 Mode Alarm 1 hysteresis Conditions of Use Alarms must be assigned as outputs. For example, if alarm outputs 1 and 2 only are Alarm 2 hysteresis assigned as outputs, the “alarm 3 hystere- sis” parameter cannot be used. Alarm 3 hysteresis ·...
  • Page 94 · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0” and “1”. · This mode contains the parameters for setting the basic specifications of the E5AK controller. These parameters include parameters for specifying the input type, scal- ing, output assignments, and direct/reverse operation.

  • Page 95: Chapter 5 Parameters

    CHAPTER 5 PARAMETERS Setup Mode Input type · Sets the sensor type by the code. Function · Set the code according to the following table. Default is “2: K1 thermocouple”. Set value Input Type -199.9 to 650.0 (_C) /-199.9 to 999.9 (_F) Comment Platinum resistance thermometer Platinum resistance thermometer...

  • Page 96: Setup Mode

    Setup Mode Scaling upper limit Conditions of Use The input type must be set to analog input (voltage or current input). Scaling lower limit Decimal point · This parameter can be used only when voltage input or current input is selected as the input type.

  • Page 97: Control Output 2 Assignment

    “Control output 1” = [ ], “Control output 2” = [ F Related article 3.3 Setting Output Specifications (page 3-6) F Related parameters · Alarm-related parameters · Heating and cooling related parameter “LBA detection time” (level 2 mode) E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model 5--28...

  • Page 98: Auxiliary Output 1 Assignment

    Setup Mode Auxiliary output 1 assignment Auxiliary output 2 assignment · Assigns output functions to either of auxiliary output 1 or 2. · The following eight output functions can be assigned as outputs: Alarms 1 to 3, HBA, LBA, Error 1 (input error), Error 2 (A/D converter error), Function and Error 3 (remote SP input error).

  • Page 99: Alarm 1 Type

    CHAPTER 5 PARAMETERS Setup Mode Alarm 1 type Conditions of Use Alarms must be assigned as outputs. For example, if alarm outputs 1 and 2 only are Alarm 2 type assigned as outputs, the “alarm 3 type” parameter cannot be used. Alarm 3 type ·...

  • Page 100: Direct/Reverse Operation

    Setup Mode Alarm 1 open in alarm Conditions of Use Alarms must be assigned as outputs. For example, if alarm outputs 1 and 2 only are Alarm 2 open in alarm assigned as outputs, the “alarm 3 open in alarm” parameter cannot be used. Alarm 3 open in alarm ·...
  • Page 101 CHAPTER 5 PARAMETERS Expansion Mode · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0” and “1”. · This mode contains the parameters for setting expanded functions. These parame- ters include parameters for setting ST (self-tuning), setting the SP setting limiter, selecting advanced PID and ON/OFF control, specifying the standby sequence reset method, and automatic return of display mode.

  • Page 102: Set Point Upper Limit

    · Limits the upper and lower limits of the set point. When the set point exceeds the set- tings of the “Set point upper limit” and “Set point lower limit” parameters, the E5AK controller regards the settings of the “Set point upper limit” and “Set point lower Function limit”...
  • Page 103 · When the “ST” parameter is set to “ON”, the self-tuning (ST) function is active. Dur- ing operation of the ST function, the power on the load side connected to the control output must be turned ON at the same time or before start of E5AK operation. Function ·...

  • Page 104: Standby Sequence Reset Method

    Expansion Mode AT calculated gain Conditions of Use The control must be advanced PID con- trol, and ST must be set to OFF. · Usually use the default value. · Sets the gain when adjusting the PID parameters by auto-tuning. ·...

  • Page 105: Automatic Return Of Display Mode

    CHAPTER 5 PARAMETERS Expansion Mode Automatic return of display mode · If you do not operate any of the controller keys for the time set in this parameter when in levels 0 to 2 modes, the display automatically returns to the PV/SP display. ·...
  • Page 106 Option Mode · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0” and “1”. · You can select this mode only when the option unit is set in the controller. In this mode, you can set the communications conditions, transfer output and event input parameters to match the type of option unit set in the controller.
  • Page 107 CHAPTER 5 PARAMETERS Option Mode Multi-SP function Conditions of Use The event input function must be in use. · This parameter specifies the number of event inputs when switching set points (SP) 0 to 3. · When set to “0”, the set point cannot be switched by event input. Function ·...

  • Page 108: Event Input Assignment

    Option Mode Event input assignment 1 Event input assignment 3 Event input assignment 2 Event input assignment 4 Conditions of Use Event input other than the multi-SP func- tion must be specified when the event input function is in use. ·...
  • Page 109 · These parameters set the communications conditions. Make sure that the stop bit, data length, parity and baud rate of the host computer and the E5AK controller are matching. These parameters are valid when the power is turned ON again or when Function level 0 to 2 modes are switched.

  • Page 110: Transfer Output Upper Limit

    Option Mode Conditions of Use Transfer output type The transfer output function must be in use. Transfer output upper limit Transfer output lower limit · These parameters set the transfer output conditions. · The “transfer output type” parameter selects one of the following as the transfer out- put type, and assigns this to transfer output: Function Set point, Set point during SP ramp, Process value, Manipulated variable (heat)
  • Page 111 4.5 How to Use the Heater Burnout Alarm (page 4-13) F Related parameters “Control output assignment 1” “Control output assignment 2” “Auxiliary output assignments 1” “Auxiliary output assignments 2” (setup mode) E5AK-AA2 AC100-240 E5AK-AA2 AC/DC24 Model Motor Calibration Conditions of Use The control must be position-proportion control.
  • Page 112 1 to 999 Second Comment F Related article 4.1 Selecting the Control Method/Position-proportional Control (page 4-3) F Related parameter “Motor Calibration” (option mode) E5AK-PRR2 AC100-240 E5AK-PRR2 AC/DC24 Model PV dead band Conditions of Use The control must be position-proportion control.

  • Page 113: Remote Sp Lower Limit

    CHAPTER 5 PARAMETERS Option Mode Remote SP enable Conditions of Use ST must be OFF. · When this parameter is set to “ON”, the remote SP and local SP can be switched for use. (That is, to the SP mode can be specified.). Also, the “set point during SP ramp” parameter is enabled at all times.
  • Page 114 Option Mode Parameter Setting Range Unit Default Remote SP upper limit SP setting lower limit to SP setting upper limit 1300 Remote SP lower limit SP setting lower limit to SP setting upper limit -200 Comment F Related article 4.4 How to Use the Remote SP (page 4-11) F Related parameters “Decimal point”...
  • Page 115 · The parameters in this mode can be used only when the “security” parameter (pro- tect mode) is set to “0”. When selecting this mode for the first time after the E5AK has left the factory, return the “security” parameter to “0”.

  • Page 116: Communications Function

    CHAPTER 6 USING THE COMMUNICATIONS FUNCTION CHAPTER CHAPTER 6 USING THE COMMUNICATIONS FUNCTION This chapter mainly describes communications with a host computer and communications commands. 6.1 Outline of the Communications Function ..Outline .

  • Page 117: Outline Of The Communications Function

    E5AK controller. This chapter describes operations as viewed from the host computer. When using the communications function, the option unit for RS-232C, RS-422 or RS-485 communications must be added on. The E5AK commu- nications function allows you to carry out the following: · Reading/writing of parameters;...

  • Page 118: Cable Connections

    Nos.0 to 29. · Use terminators having a resistance of 240 W (1/2 W). The total resis- tance of both ends should be at least 100 W. Host computer E5AK (No.0) E5AK (No.30) RS-422 RS-422...

  • Page 119: Setting The Communications Specifications

    This section describes how to set the communications specifications of the E5AK controller. For details on the host computer, see the relevant manual supplied with the host computer. F Communications Set the communications specifications of the E5AK in the controller’s parameters communications parameters.

  • Page 120: Command Configuration

    The start character. This character must be inserted before the leading byte. · Unit No. Specifies the “unit No.” of the E5AK. If there are two or more transmis- sion destinations, specify the desired destination using “unit No.” · Command type Specifies the command type by codes “1”...

  • Page 121: Commands And Responses

    CHAPTER 6 USING THE COMMUNICATIONS FUNCTION 6.4 Commands and Responses This section describes commands and response in detail. The conventions used in this section and data restrictions are as follows: · Data is expressed in 1-byte units and in ASCII code. ·...
  • Page 122 6.4 Commands and Responses Parameter No. Parameter Data Setting and Monitor Range Mode PV monitor Scaling lower limit -10% to scaling upper limit +10% SP monitor during SP SP lower limit to SP upper limit ramp MV monitor (heat) -5.0 to 105.0 Level 0 MV monitor (cool) 0.0 to 105.0...
  • Page 123 CHAPTER 6 USING THE COMMUNICATIONS FUNCTION Parameter No. Parameter Data Setting Range Mode SP ramp time unit 0: Minutes, 1: Hours 0 to 9999 SP ramp set value 0 to 9999 LBA detection time MV at stop -5.0 to 105.0 MV at PV error -5.0 to 105.0 MV lower limit +0.1 to 105.0...
  • Page 124 6.4 Commands and Responses Parameter No. Parameter Data Setting Range Mode Set point upper limit Set point lower limit +1 to scaling upper limit Scaling lower limit to Set point upper limit -1 Set point lower limit 0: Advanced PID, 1: ON/OFF PID / ON/OFF 0 : OFF, 1 : ON ST stable range width...

  • Page 125: Command List

    · Move to setting level 1 Issue this command when writing parameters in the setup, expansion and option modes. On the E5AK, the parameter switches to the top parameter “input type” of the setup mode, and control is stopped. · Software reset Resets E5AK operation by communications.
  • Page 126 6.4 Commands and Responses F A group Description Heating side output Cooling side output Alarm output 1 Alarm output 2 Alarm output 3 LBA output HBA output Run/Stop Stop Auto/Manual Manual Auto Remote/Local Remote Local SP mode Auto-tuning AT exection Event input 3 Event input 4 *1 Always “OFF”...

  • Page 127: How To Read Communications Error Information

    CHAPTER 6 USING THE COMMUNICATIONS FUNCTION 6.5 How to Read Communications Error Information The result of communications on the E5AK can be checked by the end code in the response frame. Use this end code to remedy errors that may occur.

  • Page 128: Undefined Error

    F Action Check the communications condition. If the communications condition of the host computer and E5AK controller match, then a probable cause is a problem in the communications circuit of one or both of the host com- puter and E5AK controller.

  • Page 129: Program Example

    CHAPTER 6 USING THE COMMUNICATIONS FUNCTION 6.6 Program Example J How to use programs The program described below is for obtaining corresponding response frame data when some of the command frame data is input. The input format is as follows. The FCS and terminator are automatically generated, and need not be input.
  • Page 130 6.6 Program Example J Program list (language: IBM PC COMPATIBLE MACHINE) 1000 ’ 1010 ’ PROGRAM : E5AK Communication Program 1020 ’ For IBM PC COMPATIBLE MACHINE 1050 ’ 1060 ’ RS-232C SPEED: 9600BPS, PARITY: EVEN, DATA: 7, STOP: 2 1070 OPEN ”COM: 9600, E, 7, 2, CD0, CS0, DS0, RB256, RS ”FOR RANDAM AS #1 LEN=256...

  • Page 131: Examples Of Use

    CHAPTER 6 USING THE COMMUNICATIONS FUNCTION J Examples of use F Set the unit No. to “00” · In the following examples, data is shown in individual blocks to make the examples easier to understand. However, when actually creating programs, do not leave spaces between frame items.
  • Page 132 CHAPTER 7 CALIBRATION CHAPTER CHAPTER 7 CALIBRATION This chapter describes procedures for each calibration operation. Read this chapter only when the controller must be calibrated. 7.1 Structure of Parameters ....7.2 Calibrating Thermocouple .

  • Page 133: Structure Of Parameters

    ] is displayed. · However, note that [ ] may not be displayed on the menu display when, for example, the user is calibrating the E5AK controller for the first time. If this happens, [ ] is displayed by changing the “secu- rity”...
  • Page 134 · When the process value display is flashing, the process value is not saved as data even if the key is pressed. F Calibration save · Once the E5AK controller has been calibrated by the user, [ ] is pre- mark ceded by the “.” mark when the calibration mode is selected.

  • Page 135: Calibrating Thermocouple

    (K1, J1, L1, E, N, W, PLII) and thermocouple 2 group (K2, J2, L2, R, S, B, T, U). · When calibrating, do not cover the bottom or top of the controller. Also, do not touch the input terminals (Nos. 11 and 12) and compensating con- ductor on the E5AK controller. F Preparations AC100-240V (AC/DC24V...
  • Page 136 7.2 Calibrating Thermocouple F Calibration: This example describes how to calibrate a thermocouple when the transfer output function is supported. If the transfer output function is not sup- thermocouple 1 ported, skips steps (7) to (10). (1) When [ ] is displayed, the 30-minute timer is displayed on the No.2 display and counts down.
  • Page 137 CHAPTER 7 CALIBRATION F Calibration: This example describes how to calibrate a thermocouple when the transfer output function is supported. If the transfer output function is not sup- thermocouple 2 ported, skips steps (7) to (10). (1) When [ ] is displayed, the 30-minute timer is displayed on the No.2 display and counts down.

  • Page 138: Calibrating Platinum Resistance Thermometer

    7.3 Calibrating Platinum Resistance Thermometer 7.3 Calibrating Platinum Resistance Thermometer F Preparation AC100-240V (AC/DC24V 31 32 SOURCE 6-dial · Use leads of the same thickness when connecting to the platinum resis- tance thermometer. · In the above figure, 6-dial refers to a precision resistance box, and DMM stands for a digital multimeter.
  • Page 139 CHAPTER 7 CALIBRATION From previous page (6) Press the key to display [ ] (0W calibration display, Short ter- minal Nos. 11 to 13. When the value on the No.2 display has stabilized (changes of several digits max.), press the key to temporarily store the calibration data.

  • Page 140: Calibrating Current Input

    7.4 Calibrating Current Input 7.4 Calibrating Current Input F Preparation AC100-240V (AC/DC24V 31 32 SOURCE F Calibration · In the above figure, STV refers to a standard DC current/voltage source, and DMM refers to a precision digital multimeter. However, note that the DMM is required only when the transfer output function is sup- ported.

  • Page 141: Calibrating Voltage Input

    CHAPTER 7 CALIBRATION 7.5 Calibrating Voltage Input F Preparation AC100-240V (AC/DC24V 31 32 SOURCE · In the above figure, STV refers to a standard DC current/voltage source, and DMM refers to a precision digital multimeter. However, note that the DMM is required only when the transfer output function is sup- ported.
  • Page 142 7.5 Calibrating Voltage Input From previous page (8) Press the key until the display changes to the data save display. Press the key. The No.2 display changes to [ ], and two seconds later the calibration data is saved to internal memory. If you press the key when the No.2 display reads [ ], the calibration...

  • Page 143: Checking Indication Accuracy

    · After calibrating input, make sure that you check indication accuracy to make sure that the E5AK controller has been correctly calibrated. · Operate the E5AK controller in the PV/SP monitor (level 0 mode) mode. · Check the indication accuracy at the upper and lower limits and mid- point.
  • Page 144 7.6 Checking Indication Accuracy F Current input · Preparation The following figure shows the required device connection. AC100-240V (AC/DC24V 31 32 SOURCE · Operation Set the STV to the current value equivalent to the check value. F Voltage input · Preparation The following figure shows the required device connection.
  • Page 145 CHAPTER 7 CALIBRATION 7--14...
  • Page 146 CHAPTER CHAPTER 8 TROUBLESHOOTING This chapter describes how to find out and remedy the cause if the E5AK does not function properly. 8.1 Initial Checks ......

  • Page 147: Initial Checks

    E5AK control- ler are matching, and are within the permissible ranges. If there appears to be nothing wrong after checking the E5AK controller, and the same phenomenon continues, check the controller in more detail, for example, on the error display.

  • Page 148: How To Use The Error Display

    F Action First, turn the power OFF then back ON again. If the display remains the same, the E5AK controller must be repaired. If the display is restored to normal, then a probable cause can be external noise affecting the control system.

  • Page 149: Calibration Data Error

    CHAPTER 8 TROUBLESHOOTING Calibration data error This error is output only during temperature input, and is displayed for two seconds when the power is turned ON. F Meaning Calibration data is in error. F Action Must repair. F Operation at Both control output functions and alarm output functions operate.

  • Page 150: How To Use Error Output

    8.3 How to Use Error Output 8.3 How to Use Error Output The E5AK controller allows you to assign error output to terminals as out- puts. For details on output assignments, see 3.3 Setting Output Specifications (page 3-6). F LBA ·...

  • Page 151: Checking Operation Restrictions

    The table below summarizes the main operating restrictions. If the E5AK controller is not operating properly, first check whether oper- ating conditions violate the restrictions in this table. Inoperable or Invalid Functions...
  • Page 152 APPENDIX APPENDIX SPECIFICATIONS ......ABOUT CURRENT TRANSFORMER (CT) . . . CONTROL BLOCK DIAGRAM ....SETTING LIST .

  • Page 153: Specifications

    APPENDIX SPECIFICATIONS J Ratings AC100-240V type AC/DC24V type Supply Voltage AC100-240V , 50/60 Hz AC/DC24V , 50/60Hz Power Consumption 16VA 12VA, 8W Oprating Voltage Range 85% to 110% of rated supply voltage *1, *2 Thermocouple : K, J, T, E, L, U, N, R, S, B, W, PLII Platinum resistance thermometer : JPt100, Pt100 Main Input Voltage input : 4 to 20mA, 0 to 20mA (Input impedance 150W)

  • Page 154: Heter Burnout Alarm

    SPECIFICATIONS J Characteristics Thermocouple: (*1) (±0.3% of indication value or ± 1°C, whichever greater) ± 1 digit max. Platinum resistance thermometer: (±0.2% of indcation value or± 0.8°C whichever greater)± 1 digit max. Indication Accuracy Analog input: ±0.2%± 1 digit max. CT input: 5%FS 1 digit max.
  • Page 155 Ratings and characteristics conform to the output unit mounted on the controller. For details on the ratings of the output unit, see page 2---9. The relay output unit is already mounted on the E5AK-PRR2. When replacing the output unit, use the E53-R.

  • Page 156: About Current Transformer (Ct)

    AC 1000V (1min) Vibration Resistance 50Hz, 98m/s [10G] Weight Approx. 11.5g Approx. 50g Armature (2) Accessory Plug (2) *1 The maximum continuous current of the E5AK is 50 A. F Dimensions E54-CT1 f5.8 2-f3.5 E54-CT3 f2.36 2-M3 depth 4 A--5...

  • Page 157: Control Block Diagram

    APPENDIX CONTROL BLOCK DIAGRAM J Standard type Temperature Analog input input Digital filter Digital filter Input shift Scaling Set point limiter Input type SP mode Process SP ramp value RSP enable Control method Control mode Control mode ON/OFF ON/OFF control PID control PID control control...
  • Page 158 CONTROL BLOCK DIAGRAM J Position-proportional type Temperature Analog input input Digital filter Digital filter Input shift Scaling Set point limiter Input type SP mode Process SP ramp value RSP enable PID control MV change rate limiter Position- proportional dead band Process/function Open side Close side...

  • Page 159: Setting List

    APPENDIX SETTING LIST Mode Parameter Name Setting Range Unit Default Remarks Setting Security 0 to 6 None Protect Protect [A/M] key protect ON/OFF None Manual Manual MV -5.0 to 105.0 Set point Set point lower limit to Set point upper limit Level 0 Level 0 Run/Stop...
  • Page 160 SETTING LIST Mode Parameter Name Setting Range Unit Default Remarks Setting Input type 0 to 21 None Scaling upper limit Scaling lower limit +1 to 9999 -100 Analog input Scaling lower limit -1999 to SP setting upper limit -0.1 Analog input Decimal point 0 to 3 None...
  • Page 161 APPENDIX Mode Parameter Name Setting Range Unit Default Remarks Setting Multi-SP function 0 to 2 None Event input assignment 1 NON/STOP/RMT/MAN/RSP None Event input assignment 2 NON/STOP/RMT/MAN/RSP None Event input assignment 3 NON/STOP/RMT/MAN/RSP None STOP Event input assignment 4 NON/STOP/RMT/MAN/RSP None Communication stop bit bits...

  • Page 162: Model List

    MODEL LIST MODEL LIST Description Type Name Specification Base unit E5AK-AA2 AC100-240 Standard model E5AK-AA2-500 AC100-240 Standard model with terminal cover E5AK-AA2 AC/DC24 Standard model E5AK-AA2-500 AC/DC24 Standard model with terminal cover E5AK-PRR2 AC100-240 Position-proportional model E5AK-PRR2-500 AC100-240 Position-proportional model with terminal cover...

  • Page 163: Parameter Operations List

    APPENDIX PARAMETER OPERATIONS LIST · Switching to modes other than manual or protect mode is carried out by mode selection in the menu display. · The figure below shows all parameters in the order that they are displayed. Some parameters are not displayed depending on the protect mode setting and conditions of use.
  • Page 164 PARAMETER OPERATIONS LIST Expansion Setup mode Option mode mode Input type Set point upper limit Multi-SP function Scaling upper limit Set point lower limit Event input assignment 1 Scaling lower limit PID / ON/OFF Event input assignment 2 Decimal point Event input assignment 3 _C/_F selection ST stable range...

  • Page 165: Fuzzy Self-Tuning

    PID constants for the controlled object. J Features · The E5AK determines by itself when to perform fuzzy self-tuning. · At the time of fuzzy self-tuning, the E5AK does not output any signal that disturbs the temperature or output value. J Fuzzy Self- -tuning Function The fuzzy self-tuning function has three modes.

  • Page 166: Stable Temperature Status

    FUZZY SELF-TUNING F PID Constant If the step control amount is applied before the maximum temperature slope (R) is obtained, SRT will not renew any PID constant. If the propor- Refreshing tional band obtained from the R and L values that were measured before Conditions the imposition had been completed is larger than the present proportional band, the PID constants will be renewed because the measured value is in...

  • Page 167: Startup Conditions Of Dt

    APPENDIX F Startup Conditions of DT (1) DT will start if the temperature that has been stable varies due to ex- ternal disturbance and the deflection of the temperature exceeds the stable range, and then the temperature becomes stable, provided that the number of maximum temperature values is less than four.

  • Page 168: Format

    The start character. This character must be inserted before the lead- ing byte. · Unit No. Specifies the “unit No.” of the E5AK. If there are two or more trans- mission destinations, specify the desired destination using “unit No.” · Header code/Data code Specifies the command type.

  • Page 169: X Format Head List

    APPENDIX J X FORMAT HEAD LIST Header Code Data Code Command Content Data Remarks AT cancel Write None AT start Write None Undefined error None Error response Remote/Local Write RAM write mode Backup mode Write None RAM data batch save Alarm value 1 read Alarm value 2 read Alarm value 3 read...
  • Page 170 X FORMAT F RX (process value read) command status Unit Command Unit Process value Status Response code Content “1” “0” Run/Stop Stop Setting level Input error A/D converter error EEPROM RAM¸EEPROM RAM=EEPROM Alarm 1 Alarm 2 Alarm 3 AT execution RAM mode RAM mode Backup mode...

  • Page 171: Ascii Code List

    APPENDIX ASCII CODE LIST Upper 4 bits 0000 0001 0010 0011 0100 0101 0110 0111 0000 0001 0010 ” 0011 0100 0101 0110 & 0111 ’ 1000 1001 1010 1011 1100 < ¥ 1101 1110 > 1111 Lower 4 bits A--20...
  • Page 172 INDEX Symbols Auto/Manual ..... . . 4---10 Automatic return of display mode ..5---36 [A/M] key protect .
  • Page 173 INDEX Control output ..... . . 2---9 How to calculate the heater burnout set value ..4---14 Control output 1 assignment .
  • Page 174 INDEX Memory error ..... . . 8---3 Platinum resistance thermometer ..7---12 Position ---proportional control ..4---3 Menu display .
  • Page 175 INDEX Set point 2 ......5---11 Startup Conditions of DT ... A ---16 Set point 3 .

  • Page 176: Revision History

    Page A- -11: Changed “Type Name” and “Specification” in “Base unit”. Page A- -14: Deleted 2) of “At the time the E5AK starts operation” in “Startup Conditions of SRT”. Deleted 2) of “At the time set point is changed”. Page A- -15: Deleted “Imposition Completion Condition of Step Control...
  • Page 177 For US technical support or other inquiries: 800.556.6766 OMRON CANADA, INC. Milner Avenue Toronto, Ontario M 416.286.6465 OMRON ON-LINE Global - http://www.omron.com USA - http://www.omron.com/oei Canada - http://www.omron.ca H083-E1-02A 5/04 ©2004 OMRON ELECTRONICS LLC Specifications subject to change without notice. Printed in the U.S.A.

This manual is also suitable for:

E5ak-aa2 ac100-240E5ak-aa2 ac/dc24E5ak-prr2 ac100-240E5ak-prr2 ac/dc24

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