Omron E5EK - MANUAL 2 User Manual
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Omron E5EK - MANUAL 2 User Manual

Omron E5EK - MANUAL 2 User Manual

Digital controller compobus/d (devicenet) type
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Cat. No. H099-E1-1
E5EK
Digital Controller CompoBus/D
(DeviceNet) Type
USER'S MANUAL

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  • Page 1 Cat. No. H099-E1-1 E5EK Digital Controller CompoBus/D (DeviceNet) Type USER’S MANUAL...
  • Page 2 About this manial E OMRON, 1997 (1) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording, recording, or otherwise, without the prior written permission of OMRON.

  • Page 3: Conventions Used In This Manual

    Engineering unit *1 *1 _C, m, g and other units are indicated for scaled data. However, EU" is used as the minimum unit for the data. For example, for 50.02 (m)", 1EU is taken as the minimum unit 0.01 (m).
  • Page 4 Purpose Title Description D Learning about the Chapter 1 Introduction This chapter describes the fea tures of the E5EK DRT, names of general features of the parts, and typical functions. E5EK-DRT Chapter 2 Preparations This chapter describes the opera D Setting up tions that you must carry out (e.g.
  • Page 5 If malfunction prevents control, this may result in a major accident. D Use a screwdriver or similar tool to remove the output unit if it is hard to remove. If you attempt to remove it by applying excessive force, you may be injured by pointed pins.
  • Page 6 PRECAUTIONS FOR ENSURING CORRECT USE F Use a 100 to 240 V AC (50/60 Hz), 24 VAC (50/60 Hz) or 24 VDC power supply matched to the power specifications of the E5EK DRT. Also, make sure that rated voltage is attained within two seconds of turning the power ON.

  • Page 7: Table Of Contents

    ..... 4–1 This chapter describes each of the parameters required for making full use of the features of the E5EK-DRT. Read this chapter while referring to the parameter descriptions in chapter 5.
  • Page 8 ..... . 8–1 This chapter describes how to find out and remedy the cause if the E5EK-DRT does not function prop- erly.

  • Page 9: Chapter 1 Introduction

    INTRODUCTION This chapter introduces the E5EK DRT. 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 10: Names Of Parts

    1.1 Names of parts + Main parts Terminals P 2-7 Rear case Front panel This page + Front panel No.1 display Operation indicators OUT1 OUT2 SUB1 SUB2 MANU STOP No.2 display MANU SUB1 SUB2 Down key OUT1 OUT2 STOP Mode key...
  • Page 11 Each press of this key switches between the auto and manual operations. ’ The functions of this key change according to how long it is pressed. If the ’ key is pressed for less than one second, the parameters are switched. If the key is pressed for one second or more, the menu display appears.

  • Page 12: Input And Output

    Note that the HBA function cannot be used simultaneously with the linear output unit. When the remote SP function is enabled, inputs within the range 4 to 20 ’ Remote SP input mA are used as the remote SP .
  • Page 13 When using control outputs 1 and 2, set the output unit (sold separately). Nine output units are available to suit the output circuit configuration. Note: The output functions of the E5EK DRT do not operate for five se conds after the E5EK DRT is turned ON.

  • Page 14: Parameters And Menus

    This mode is used to limit use of the keys. The protect function is for pre ’ Protect mode venting unwanted modification of parameters and switching between the auto and manual operation.
  • Page 15 1 second min. Calibration mode ’ Menu display To select the menu display in any of the above modes (excluding the pro tect mode and the manual mode), press the key for 1 second mini mum. The previously specified mode is selected. For example, if you selected the menu display while in the level 0 mode, the No.2 display...
  • Page 16 To set the controller to the manual mode, press the key for 1 second ’ Manual mode minimun in the level 0 to 2 mode. To return to the level 0 mode from the manual mode, press the key for 1 second minimum.

  • Page 17: About The Communications Function For The Compobus/D (Devicenet) Network

    For details on the type of communication data and how to assign data, see Chapter 6 Using CompoBus/D (DeviceNet). For details on cable connections on the CompoBus/D (DeviceNet) net work, see Chapter 2 Preparations, 2.3 Wiring Terminals (page 2 7).
  • Page 18 (voltage, current). In this case, note that the results of calibration will not be assured. Also, note that calibration data is updated to the latest value each time the E5EK DRT controller is calibrated. Calibration data set before shipment from the factory cannot be returned to after calibration by the user.

  • Page 19: Chapter 2 Preparations

    CHAPTER CHAPTER 2 PREPARATIONS This chapter describes the operations you should carry out before turn ing the E5EK DRT ON. 2.1 Setting up ......

  • Page 20: Setting Up

    (1) Press down strongly on the hook on the top of the front panel, and turn the Phillips screws to the left to loosen the screw on the lower part of the front panel.
  • Page 21 ’ 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 8. ’ Procedure (1) Check the positions of the sockets you are about to insert the output units into as shown in the following diagram.

  • Page 22: Installation

    SUB2 OUT1 OUT2 STOP MS NS E5EK The width of the rear case is 44 mm. + Panel cutout 60 min Unit (mm) Recommended panel thickness is 1 to 8 Maintain the specified vertical and hori zontal mounting space between each con troller.
  • Page 23 2.2 Installation (1) Insert the E5EK DRT controller into the mounting hole in the panel. + Mounting (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 24 Fasten the terminal cover (E53 COV08) to protect terminals. E5EK AA2 DRT 500 controller is provided with terminal covers. Fasten the terminal cover as follows by using the snap pins. E5EK -AA2 -DRT E53-COV08 To remove the terminal cover, pull the edges of the snap pins. 2–6...

  • Page 25: Wiring Terminals

    24VAC, 50/60Hz 12VA 24VDC, + Precautions Use ducts to separate input leads and power lines in order to protect the controller and its lines from external noise. when wiring We recommend using solderless terminals when wiring the controller. Tighten the terminal screws using a torque no greater than 0.78 N·m.
  • Page 26 CHAPTER 2 PREPARATIONS Connect the sensor input to terminal Nos. 11 to 14 and 23 as follows ac ’ Sensor input cording to the input type. 21 22 – – – Thermocouple Platinum Voltage input Current input resistance thermometer Terminal Nos. 7 and 8 are for control output 1 (OUT1), and terminal Nos.
  • Page 27 17. 21 22 CT input For details on CT inputs, see Appendix, about current transformer. Connect an input (RSP) to be used as the remote SP to terminal Nos.15 ’ Remote SP input and 16. 21 22 Only 4 to 20 mA inputs can be connected. Connect the input as follows: 4 to 20 mA –...

  • Page 28: Chapter 3 Basic Operation

    CHAPTER 3 BASIC OPERATION CHAPTER CHAPTER 3 BASIC OPERATION This chapter describes an actual example for understanding the basic operation of the E5EK DRT. 3.1 Convention Used in this Chapter ..3−2 3.2 Setting Input Specifications .

  • Page 29: Convention Used In This Chapter

    Power OFF This chapter describes basic operation according to this flow. Examples of operation for each of these items are described at the end of the setting examples for the parameter in question. However, you must proceed to the first parameter of the subsequent item.
  • Page 30 The following are examples of how to set up each of the items. These exam ’ Setup ples assume that the controller is operated at the factory defaults. The main specifications of the setup examples in this chapter are as fol lows: A K thermocouple is connected to the controller.

  • Page 31: Setting Input Specifications

    decimal point" parameters need to be set. + Input type Set the type No. (0 to 22) in the input type" parameter (Set up mode). The factory setting is 2: K (thermocouple)." For details on input types and setting ranges, see page 5 25.
  • Page 32 1.2_C, the process value (before shift) is re garded as 201.2_C after shift when input is 200_C before shift. To set input shift, set shift values in the input shift upper limit" and in put shift lower limit" parameters (level 2 mode).
  • Page 33 CHAPTER 3 BASIC OPERATION In this example, let’s check the input type and temperature units, and shift Setting Example the lower limit by 1_C and the upper limit by 3_C. input type" = 2: K" temperature unit" = _C" input shift upper limit"= 3.0"...

  • Page 34: Setting Output Specifications

    Error 3; RSP input error With control output (cool), the conditions for switching from standard control to heating and cooling control are reached when the output function is assigned at the cooling side during heating and cooling control. In other words, heating and cooling control is carried out when control output (cool) is assigned, and standard control is carried out when out put is not assigned.
  • Page 35 (setup mode). + Control period When the output unit is pulse output such as relay output, set the pulse output cycle (control period). Though a shorter pulse period provides better control performance, the control period should be set taking the life expectancy of the output unit into consideration when the output unit is relay.
  • Page 36 [ ] (control output 1 assignment" parameter) is displayed. The parameter default is [ (4) As the setting in this example is to be left as it is, press the key. The display changes to [ ] (control output 2 assignment"...

  • Page 37: Setting Alarm Type

    Absolute-value upper-limit alarm with standby sequence Absolute-value lower-limit alarm with standby sequence Alarm types are set independently for each alarm in the alarm 1 to 3" parameters (setup mode). Factory setting is 2: Upper limit alarm (devi ation)". + Alarm value Alarm values are indicated by X"...
  • Page 38 ON as it is as the process value when the power is turned ON is smaller than the set point. However, if the alarm type is set to deviation lower limit with standby sequence", alarm output first becomes ON...
  • Page 39 (8) In this example, the parameter setting is 0.0" so press the until 10.0" is displayed. 1 second min. The decimal point of the alarm value conforms to the setting of the decimal point" About the Decimal Point of the Alarm parameter (setup mode).

  • Page 40: Protect Mode

    + Security that do not change during operation to prevent unwanted modification. The range of usable parameters is specified by the set value of the secu rity" (protect) parameter. The following table shows which modes are protected by this set value:...

  • Page 41: Starting And Stopping Operation

    CHAPTER 3 BASIC 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. To stop operation, set the run/stop" parameter to [ ] (stop).

  • Page 42: Adjusting Control Operation

    3.7 Adjusting Control Operation 3.7 Adjusting Control Operation You can change the set point in the set point" parameter (level 0 mode). + Changing the set However, note that you cannot change the set point when the security" point parameter (protect mode) is set to 6".
  • Page 43 CHAPTER 3 BASIC OPERATION The following diagram summarizes manual operation. Manipulated variable (%) Balance-less, bump-less points Time Manipulated variable switched Manual Power inter- ruption Auto 3–16...
  • Page 44 However, note that auto tuning takes longer time to execute compared with 100%AT. The timing by which limit cycles are generated varies according to wheth er or not the deviation (DV) at the start of AT execution is 10% full scale or less. Deviation at start of AT...
  • Page 45 PID parameters are set in the proportional band" (P), integrated time" (I) and derivative time" (D) parameters (level 1 mode). For details on the setting ranges of these parameters, see chapter 5 Level 1 Mode (page 5 12). 3–18...

  • Page 46: Chapter 4 Applied Operation

    CHAPTER 4 APPLIED OPERATION This chapter describes each of the parameters required for making full use of the features of the E5EK DRT. Read this chapter while referring to the parameter descriptions in chapter 5. 4.1 Selecting the Control Method .

  • Page 47: Selecting The Control Method

    When heating and cooling control is selected, the deadband" and cool ing coefficient" parameters can be used. The dead band is set with the set point as its center. The dead band width ’ Dead band is the set value of the dead band" parameter (level 1 mode). Setting a posi tive value produces a dead band, while setting a negative value produces an overlap band.
  • Page 48 In standard control (heating or cooling control), hysteresis can be set only for the heating side. Hysteresis (heat) Set point In heating and cooling control, a dead band can be set. So, 3 position con trol is made possible. Dead band Hysteresis (heat)

  • Page 49: Operating Condition Restrictions

    The upper limit is set for the heating side (positive value), and the lower limit is set for the cooling side (negative value) as shown in the following figure.
  • Page 50 However, note that when the set point limiter is reset, the set point is forcibly changed to the upper or lower limit value of the set point limiter if the set point is out of the limiter range. Also, when the in put type, temperature unit and scaling (sensor) range are changed, set point limiter is forcibly reset to the scaling (sensor) range.
  • Page 51 “run" is switched to from “stop," process value may reach the set point af ter 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.

  • Page 52: How To Use The Remote Sp

    4.3 How to Use the Remote SP 4.3 How to Use the Remote SP Taking a remote SP input (4 to 20 mA) as the set point is referred to as the remote SP" function. The remote SP function is enabled only when the remote SP (RSP) enable"...
  • Page 53 In the remote SP mode, the remote SP can be monitored on the No.2 dis + Remote SP play for PV/SP . In the local SP mode, the remote SP can be monitored in monitor the remote SP monitor" parameter.

  • Page 54: How To Use The Heater Burnout Alarm

    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.
  • Page 55 Set the current value at burnout when two or more heaters are con nected to the CT to the value at the time that the heater having the small est current value burns out (the value when one of the heaters burns out with all heaters at the same current).

  • Page 56: Lba

    ’ LBA detection time value rises or falls after the dead time has elapsed. LBA is output if the process value does not change in the predicted direction after a fixed amount of time has elapsed. This fixed amount of time is the LBA detec tion time."...
  • Page 57 (1) Set output to maximum. time (2) Measure the time it takes for the input change width to reach the LBA detection width (default: 0.2 % full scale). (3) Take a value twice that of the measurement time as the LBA detection time.

  • Page 58: Chapter 5 Parameters

    CHAPTER 5 PARAMETERS CHAPTER CHAPTER 5 PARAMETERS This chapter describes the parameters of the E5EK DRT. Use this chap ter as a reference guide. Conventions Used in this Chapter ..5−2 Protect Mode ......

  • Page 59: Conventions Used In This Chapter

    + About the Order In Which Parameters Are Listed Parameters are divided by mode. The first page of each mode lists the contents of the parameters available in that mode. The name of parameters in the contents follows the order in which parameters are displayed on the controller.

  • Page 60: Protect Mode

    Level 1 Level 0 When this parameter is set to 4" to 6", operations in only the level 0 mode can be selected, and the mode is not displayed on the menu display. When this parameter is set to 5", only the PV/SP" parameter in the level 0 mode can be used.
  • Page 61 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 Default = [ Comment F Related article 3.5 Protect Mode (page 3 13)

  • Page 62: Manual Mode

    If this mode is switched to during auto tuning, auto tuning is canceled. To select this mode when in the level 0 to 2 modes, press the key for 1 second mini mum. To exit this mode, press the key for 1 second minimum.

  • Page 63: Level 0 Mode

    This mode is used for changing the SP value and starting or stopping operation. The mode can also be used for monitoring the PV value, set point during SP ramp, or MV value, but cannot be used for changing them.
  • Page 64 The process value is displayed on the No.1 display, and the set point is displayed on the No.2 display. The set point can be set. Either of the local SP or remote SP is displayed as the set point depending on the SP Function mode.
  • Page 65 The remote SP function must be enabled or the SP ramp function must be enabled. Monitors the set point during SP ramp Matches the set point of the PV/SP" parameter when the set point is not during SP ramp. Function...
  • Page 66 MV monitor (cool) This parameter cannot be set. Monitors the manipulated variable on the heating or cooling side. The manipulated variable in a standard control system is checked in the MV moni Function tor (heat)" parameter. The MV monitor (cool)" parameter can be used only during heating and cooling con trol.
  • Page 67 AT (auto tuning), setting the alarm values, setting the control period, and setting PID parameters. To select this mode when in the levels 0 and 2, setup, expansion, option and calibra tion modes, press the key for 1 second minimum. The display changes to the menu display.
  • Page 68 1 assignment" Control output 2 assignment" Auxiliary output 1 assign ment" Auxiliary output 2 assignment" Alarm 1 type" Alarm 2 type" Alarm 3 type" Alarm 1 open in alarm" Alarm 2 open in alarm" Alarm 3 open in alarm" (setup mode) Alarm 1 hysteresis"...
  • Page 69 Conditions of Use The control must be either heating and cooling control, or 2-PID control. In heating and cooling control, P at the cooling side is calculated by the following for mula: Cooling side P = cooling coefficient  P...
  • Page 70 Level 1 Mode Dead band Conditions of Use The control system must be heating and cooling control. Sets the output dead band width in a heating and cooling control system. A negative setting sets an overlap band. Function Unit Default Setting Range -19.99 to 99.99...
  • Page 71 Function In heating and cooling control, the hysteresis can be set independently for heating and cooling. Use the hysteresis (heat)" parameter to set the heating side hysteresis, and use the hysteresis (cool)" parameter to set the cooling side hysteresis.
  • Page 72 In heating and cooling control, the control period can be set independently for heat ing and cooling. Use the control period (heat)" parameter to set the heating side con trol period, and use the contrlo period (cool)" parameter to set the cooling side con trol period.
  • Page 73 Outputs the heater burnout alarm when the heater current value falls below this parameter setting. When the set value is 0.0", the heater burnout alarm is OFF". When the set value Function is 50.0", the heater burnout alarm is ON".
  • Page 74 LBA (Loop Break Alarm), alarm hysteresis, and input digital filter values. To select this mode when in the levels 0 and 1, setup, expansion, option and calibra tion modes, press the key for 1 second minimum.
  • Page 75 To change the parameter setting during local operation, change the setting Function on the E5EK DRT controller. You can check the parameter setting by both communications and on the E5EK DRT controller regardless of whether the controller is switched to remote or local opera tion.
  • Page 76 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 77 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 78 MV lower limit 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 E5EK DRT controller is outside of the upper and lower limit range, the upper limit Function or lower limit set to these parameters is output, respectively.
  • Page 79 3.4 Setting Alarm Type (page 3 10) F Related parameters Alarm 1 type" Alarm 2 type" Alarm 3 type" Alarm 1 open in alarm" Alarm 2 open in alarm" Alarm 3 open in alarm" (setup mode) Alarm value 1" Alarm value 2" Alarm value 3" (level 1 mode)
  • Page 80 The input type must be set to temperature input (thermocouple or platinum resis- Input shift lower limit tance thermometer). Sets each of the shift amounts for the input shift upper limit and lower limit values. Function Setting Range Unit Default -199.9 to 999.9...
  • Page 81 DRT controller. These parameters include parameters for specifying the input type, scaling, output assignments, and direct/reverse operation. To select this mode when in the levels 0 to 2, expansion, option and calibration modes, press the key for 1 second minimum. The display changes to the menu display.
  • Page 82 Setup Mode Input type Sets the sensor type by the code. Function Set the code according to the following table. Default is 2: K thermocouple ( 200 to 1300_C)". Set value Input Type Input Type Comment JPt100 -199.9 to 650.0 (_C) /-199.9 to 999.9 (_F)
  • Page 83 (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. When voltage input or current input is selected as the input type, scaling is carried Function out.
  • Page 84 Errors 1, 2 and 3 cannot be assigned as outputs. When the output function assigned to control output 1 or control output 2 is ON, the OUT1" or OUT2" LED lights. However, note that the LED does not light when con trol output (heat) or control output (cool) are assigned to linear outputs such as current and voltage.
  • Page 85 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 86 Alarm 3 type Alarm 1 to 3 type" parameters specify the operation of the alarm by the one of the set values in the following table. For details of operation at an alarm, see page 3 10.
  • Page 87 Selects the output states of alarms 1 to 3. When the controller is set to close in alarm," the status of the alarm output function is output as it is. When set to open in alarm," the status of the alarm output function Function is output inverted.
  • Page 88 To select this mode when in the levels 0 to 2, setup, option and calibration modes, press the key for 1 second minimum. The display changes to the menu display.
  • Page 89 SP setting upper limit SP setting lower limit Limits the upper and lower limits of the set point. When the set point exceeds the set tings of the SP setting upper limit" and SP setting lower limit" parameters, the E5EK DRT controller regards the settings of the Set point upper limit" and Set Function point lower limit"...
  • Page 90 Usually use the default value. Sets the gain when adjusting the PID parameters by auto tuning. To give priority to response, decrease the set value of this parameter. To give priority Function to stability, increase the set value of this parameter.
  • Page 91 Alarm 1 type" Alarm 2 type" Alarm 3 type" (setup 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 92 This parameter can be used when LBA is assigned as an output. When the change width of the manipulated variable is below the width set in this parameter, the controller regards this as detection of an LBA.
  • Page 93 In this mode, you set communications conditions and communications data assignment parameters to match the type of option function. To select this mode when in the levels 0 to 2, setup, expansion and calibration modes, press the key for 1 second minimum. The display changes to the menu display.
  • Page 94 These parameters area valid when the power is turned ON again. Set the same baud rate to the master and other slaves on the network. Set the node addresses so that the same values are not set to the master and slaves. Function Baud rate"...
  • Page 95 Read data assignment 1 to 16 Write data assignment 1 to 16 The communication data types (16 types each for read and write) that have been assigned to these parameters are sent and received from the CompoBus/D (Device Net) master.
  • Page 96 Function When this parameter is set to OFF", only the local SP can be used. The set point dur ing SP ramp is enabled only when the SP ramp function is enabled. Setting Range...
  • Page 97 Sets the remote SP upper and lower limit values. The upper limit value is equivalent to 20 mA, and the lower limit value is equivalent to 4 mA. Set the upper limit value in the remote SP upper limit" parameter and the lower limit value in the remote Function SP lower limit"...
  • Page 98 Specifies the operation when the remote SP mode is switched to the local SP mode. When this parameter is set to ON", the local SP is changed to the remote SP value. When this parameter is set to OFF", the local SP is not influenced by the remote SP . Function...
  • Page 99 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 E5EK DRT has left the factory, return the security" parameter to 0".
  • Page 100 CHAPTER 6 USING CompoBus/D (DEVICENET) This chapter describes use of the E5EK DRT as a slave on the Compo Bus/D (DeviceNet) network. For details on the CompoBus/D (DeviceNet) network such as system configuration and cable connection conditions, see the CompoBus/D (DeviceNet) Operation Manual (catalog No.: W267).

  • Page 101: Outline Of Compobus/D (Devicenet)

    Operation instructions Status Remote/local switching For details on how to the turn the master and slaves ON, and the I/O tables on the master, see the CompoBus/D (DeviceNet) Operation Manual (cata log No.: W267). On the E5EK DRT, the communication data type must be assigned to the + Data read/write areas with the master.

  • Page 102: Remote I/O Communications

    When communications is started, the data in the read/write tables is auto + Remote I/O matically written or read. To write data to the digital controller from the communications master, set the controller to the remote mode." Data cannot be written in the local mode."...

  • Page 103: Data Refreshing By Communications

    Mirroring of communications written data Reading of communications read data Vendor-specific object services *1 : This process is executed when there is a request for appended vendor-specific services (page A-16) from the Configurator (option). Normally, this process is not executed.

  • Page 104: E5Ek Drt Internal Processing Times

    Get attribute single : 50 ms Set attribute single : 0.5 ms Let’s assume that the E5EK DRT is in the factory shipped state, that one ’ Example of actual E5EK DRT is connected with a master unit (C200HW DRM21) in a...

  • Page 105: Setting The Communications Conditions

    Set the parameters relating to the items described in this section before you start communications. The baud rate must be set to the same value over the entire network. + Baud rate Select the baud rate in the baud rate" (option mode) parameter from among 125/250/500 (Kbit/s).
  • Page 106 OMRON PLC master C200HW DRM21 V1 when two E5EK DRTs are when two E5EK- DRTs are used used at their factory settings (3 read channels and 4 write channels). Example of Correct Setting Set node addresses to 2" and 6".

  • Page 107: Data Assignments

    CHAPTER 6 USING COMPOBUS/D (DEVICENET) 6.4 Data Assignments To assign data to the write area of the E5EK DRT, set codes (1 to 40) cor + How to assign responding to the desired data type in [ : write data assign...

  • Page 108: Data Format

    6.4 Data Assignments Specify binary (BIN) or binary coded decimal (BCD) as the format of + Data format numerical value data in the communication data format" (option mode) parameter. Default is "BIN". Data is expressed according to the specified format. For example, 999 (decimal)"...

  • Page 109: Data Structure

    CHAPTER 6 USING COMPOBUS/D (DEVICENET) 6.5 Data Structure Due to the nature of the data, the following description is divided between parameters (assignment Nos. 1" to 35"), operation instructions (assign ment No. 36) and statuses (assignment Nos. 37" to 40").

  • Page 110: Operation Instructions

    Operation instructions are executed in order from the instruction hav ing the lower bits only when strobes 1 and 2 are each set to 0" or 1". For details on how to use strobes 1 and 2, see 6.6 Data Timing (page 6−13).

  • Page 111: Communication Error Status

    15 14 13 12 11 0" indicates a normal channel, and 1" indicates a channel in error. For example, if channels 5 (CH5) and 3 (CH3) are in error, bits 4 and 2 become 1". Data is expressed as 0014" (Hex).

  • Page 112: Data Timing

    (bit 15) is 1". instructions Strobe 1 “0” “1” Strobe 2 Operation instruction Execution of operation instruction Setting the strobe to OFF (strobe 1 is 1" or strobe 2 is 0") prevents unwanted operation instructions from being executed. 6–13...

  • Page 113: Sample Ladder

    CHAPTER 6 USING COMPOBUS/D (DEVICENET) 6.7 Sample Ladder The following sample program shows an example of how to run and stop the program, and how to start 100% AT (auto tuning). [E5EK-DRT] + Setup Conditions Set the communication conditions between the E5EK DRT digital con...
  • Page 114 AT start switch 100%AT start 05605 # 100%AT start processing 20002 20108 100%AT start 05605 DIFU (13) 100%AT start flag 20106 100%AT start RUN status = RUN 20107 20106 35507 20108 100%AT start self-hold 20107 Auto-tuning in progress 20108 20107 12603...
  • Page 115 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 ....
  • Page 116 Thermocouple 1 : K / J / L / E / N / W / PLII Thermocouple 2 : K / J / L / R / S / B / T / U Platinum resistance : JPt100/Pt100 thermometer 1...
  • Page 117 Process value stray from the calibration target range. When the process value display is flashing, the process value is not saved as data even if the key is pressed.
  • Page 118 K: 200 to 1300 C, J: 100 to 850 C, L: 100 to 850 C, E, N, W, PLII Thermocouple group 2 K: 0.0 to 500.0 C, J: 0.0 to 400.0 C, L: 0.0 to 400.0 C, R, S, B, T, U When calibrating, do not cover the bottom of the controller. Also, do not ’...
  • Page 119 (3) Press the key to display [ ] (0mV calibration display). Set STV output to 0mV . When the value on the No.2 display has stabilized (changes of several digits max.), press the key to temporarily save the calibration data.
  • Page 120 (3) Press the key to display [ ] (0mV calibration display). Set STV output to 0mV . When the value on the No.2 display has stabilized (changes of several digits max.), press the key to temporarily save the calibration data.
  • Page 121 (3) Press the key to switch to the [ ] (0 calibration) display. Short terminal Nos. 11 to 13. When the value on the No.2 display has stabilized (changes of several digits max.), press the key to tempo Short terminal rarily store the calibration data.
  • Page 122 [ ] (0 calibration) display. Short terminal No. 11 to 13. When the value on the No.2 display has stabilized (changes of several digits max.), press the key to tempo rarily store the calibration data.
  • Page 123 (3) Press the key. The display changes to [ ] (0mA calibration dis play). Set the STV output to 0 mA. 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 124 (3) Press the key. The display changes to [ ] (0V calibration dis play). Set the STV output to 0V . 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 125 (3) Press the key. The display changes to [ ] (0V calibration dis play). Set the STV output to 0V . 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 126 The following figure shows the required device connection. Make sure that the E5EK DRT controller and cold junction compensator are con nected by a compensating conductor for the input type that is to be used during actual operation. 21 22...
  • Page 127 The following figure shows the required device connection. 21 22 SOURCE – Operation Set the STV to the current value equivalent to the check value. Preparation ’ Voltage input The following figure shows the required device connection. 21 22 SOURCE –...
  • Page 128 CHAPTER CHAPTER 8 TROUBLESHOOTING This chapter describes how to find out and remedy the cause if the E5EK DRT does not function properly. 8.1 Initial Checks ......
  • Page 129 8.1 Initial Checks If trouble occurs, first check items (1) to (3). Correct any problems you find according to the remedy described. (1) Power supply Make sure that the power supply is ON. Also, make sure that the power supply is within the rated voltage range.
  • Page 130 For control output functions, output the manipulated variable matched to ’ Operation at error the setting of the MV at PV error" parameter (level 2 mode). Alarm out put functions are activated when the upper limit is exceeded. Memory error Internal memory operation is in error.
  • Page 131 Display range over ’ Meaning Though not an error, this is displayed when the process value exceeds the display range when the control range (setting range ±10%) is larger than the display range ( 1999 to 9999). When less than  1999"...
  • Page 132 (level 2 mode). ’ Input errors If you assign error 1 as the output, an error can be output to auxiliary output 1 or auxiliary output 2 when input is in error. When this error occurs, remedy by following the description for Input error" (page 8 3).
  • Page 133 The table below summa rizes the main operating restrictions. If the E5EK DRT controller is not operating properly, first check whether operating conditions violate the restrictions in this table. Inoperable or Invalid Functions...
  • Page 134 ..A−11 Using the E5EK DRT in Multi vendor Applications ....... .
  • Page 135 Platinum resistance thermometer: JPt100, Pt100 Sensor Input Current input: 4 to 20mA, 0 to 20 mA (input impedance 150 ) Voltage input: 1 to 5VDC, 0 to 5VDC, 0 to 10VDC (input impedance 1M ) CT input: E54-CT1, E54-CT3 Sub-Input...
  • Page 136 Non-volatile memory (number of writings : 100,000 operations) *1The indication accuracy of K thermocouples at a temperature of 200 to 1300 C, of T and N thermocouples at 100 C or less, and of U and L thermocouples at any temperature is "2 C "1 digit maximum.
  • Page 137 ENGELHARD Jpt100 : JIS C 1604 1989, JIS C 1606 1989 Pt100 : IEC751 ; 1983 + Output Rating These are according to the output unit mounted. For details on output unit ratings, see page 2 8. and Performance A–4...
  • Page 138 Dielectric Streng 1000VAC (1min) Vibration Resistance 50Hz 98m/s Weight Approx. 11.5g Approx. 50g Armature (2) Accessory Plug (2) *1 The maximum continuous current of the E5EK DRT is 50 A. ’ Dimensions E54-CT1 2- 3.5 E54-CT3 2.36 2-M3 depth 4 A–5...
  • Page 139 APPENDIX CONTROL BLOCK DIAGRAM 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...
  • Page 140 Temperature input _C/_F *1 During heat and cooling control, the lower limit becomes 105.0%. *2 During heat and cooling control, the setting range becomes 0.0 to 105.0%. *3 During heat and cooling control, the setting range becomes 105.0 to 0.0%. A–7...
  • Page 141 APPENDIX A–8...
  • Page 142 0 to 99 mode AT hysteresis 0.1 to 9.9 LBA detection width 0.0 to 999.9 When temperature input is selected, the sensor range selected in the input type" parameter (setup mode) corresponds to the scaling upper and lower limit value. A–9...
  • Page 143 SP setting lower limit to SP Remote SP lower limit -200 setting upper limit SP tracking ON/OFF None For details on the correspondence between set values 1 to 40 and data types, see 6.4 Data Assignments/Data Type List (page 6 9). A–10...
  • Page 144 PARAMETER OPERATIONS LIST 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 145 Alarm 2 type Remote SP upper limit Alarm 2 open in alarm Remote SP lower limit Alarm 3 type SP tracking enable Alarm 3 open in alarm Direct/Reverse operation Calibration mode See Chapter 7 Calibration, 7.1 Structure of Parameters. A–12...
  • Page 146 Create the EDS file referring to the device profile described in this manual. For details on how to create EDS files, refer to the manual of the configura tor you are using. + Slave Device Protocol...
  • Page 147 Bit 0 only Serial number Unique for each Unit Product name E5EK-AA2-DRT State DeviceNet service Service 05 Reset 0E Get_Attribute_Single ’ Message Router Object (0x02) Object class Attribute Not supported Service Not supported Object instance Attribute Not supported Service Not supported ’...
  • Page 148 USING THE E5EK-DRT IN MULTI-VENDOR APPLICATIONS ’ Assembly Objects (0x04) Object class Attribute Not supported Service Not supported ID Content (read) (write) Obj t i t Object instance Att ib t Attribute Data DeviceNet service Parameter options Service 0E Get Attribute_Single 10 Get Attribute_Single ’...
  • Page 149 15 Consumed connection path length 16 Consumed connection path 24_04_24_01_30_03 17 Production_inhibit_time DeviceNet service Parameter option Service 05 Reset 0E Get_Attribute_Single 10 Set_Attribute_Single *1 The connection sizes depend on the setting of E5EK DRT. : 00 to 20 (hexadecimal) A–16...
  • Page 150 USING THE E5EK-DRT IN MULTI-VENDOR APPLICATIONS ’ Vendor-specific Objects (0x94) Object class Attribute Not supported Service Not supported Content (read) (write) Obj t i t Object instance Att ib t Attribute Set point Alarm value 1 Alarm value 2 Alarm value 3...
  • Page 151 APPENDIX Content (read) (write) Obj t i t Object instance Att ib t Attribute AT hysteresis LBA detection width HBA latch Remote SP enable Remote SP upper limit Remote SP lower limit SP tracking Status A Status B Read data assignment 1...
  • Page 152 Calibration Mode, 1−7 , 5−42 About parameter display, 5−2 About PID Parameters, 3−18 Calibration save mark, 7−3 Calibration: 0 to 5 VDC, 1 to 5 VDC, 7−10 About the Communications Function for the CompoBus/D (DeviceNet) Network, 1−9 Calibration: platinum resistance thermome ter 1, 7−7...
  • Page 153 LBA detection time, 4−11 , 5−20 Differences from General−purpose Models, LBA detection width, 4−11 , 5−35 1−6 Level 0 Mode, 1−6 , 1−7 , 5−6 Dimensions, 2−4 , A−5 Level 1 Mode, 1−6 , 1−7 , 5−10 Direct/Reverse operation, 3−8 , 5−30 Level 2 Mode, 1−6 , 1−7 , 5−17...
  • Page 154 SP ramp set value, 5−19 Procedure, 2−3 SP ramp time unit, 5−19 Proportional band, 5−12 SP setting lower limit, 5−32 Protect Mode, 1−6 , 1−8 , 3−13 , 5−3 SP setting upper limit, 5−32 PV/SP , 5−7 SP tracking, 4−8 SP tracking enable, 5−41 Ratings, A−2...

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