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Omron E5EK DEVICENET User Manual

Omron E5EK DEVICENET User Manual

Digital controller compobus/d (devicenet) type
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Digital Controller
CompoBus/D
(DeviceNet) Type
User's Manual
Cat. No. H099-E1-02

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Summary of Contents for Omron E5EK DEVICENET

  • Page 1 Digital Controller CompoBus/D (DeviceNet) Type User's Manual Cat. No. H099-E1-02...
  • Page 2 About this manual E OMRON, 1997 (1) All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or trans- mitted, in any form, or by any means, mechanical, electronic, photocopying, recording, recording, or other- wise, without the prior written permission of OMRON.
  • Page 3 Auto-tuning Engineering unit *1 *1 _C, m, g and other units are indicated for scaled data. However, “EU” is used as the mini- mum unit for the data. For example, for “50.02 (m)”, 1EU is taken as the minimum unit 0.01 (m).
  • Page 4 J How this Manual is Organized Purpose Title Description D Learning about the Chapter 1 Introduction This chapter describes the fea- tures of the E5EK-DRT, names general features of the of parts, and typical functions. E5EK-DRT D Setting up Chapter 2 Preparations...
  • 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

    ......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 8 ..... . This chapter describes how to find out and remedy the cause if the E5EK-DRT does not function properly.
  • Page 9 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

    CHAPTER 1 INTRODUCTION 1.1 Names of parts J Main parts Terminals P 2-7 Rear case Front panel This page J Front panel No.1 display Operation indicators OUT1 OUT2 SUB1 SUB2 MANU No.2 display STOP MANU SUB1 SUB2 Down key OUT1...

  • Page 11: About The Displays

    Each press of this key switches between the auto and manual opera- tions. 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.

  • Page 12: Input And Output

    Note that the HBA function cannot be used simultaneously with the linear output unit. F Remote SP input • When the remote SP function is enabled, inputs within the range 4 to 20 mA are used as the remote SP . 1--4...

  • Page 13: Output

    Control output 2 Auxiliary output 1 Auxiliary output 2 When using control outputs 1 and 2, set the output unit (sold sepa- rately). Nine output units are available to suit the output circuit config- uration. Note: The output functions of the E5EK-DRT do not operate for five seconds after the E5EK-DRT is turned ON.

  • Page 14: Parameters And Menus

    F Protect mode This mode is used to limit use of the keys. The protect function is for preventing unwanted modification of parameters and switching between the auto and manual operation.
  • Page 15 1 second min. Calibration mode F Menu display • To select the menu display in any of the above modes (excluding the protect mode and the manual mode), press the key for 1 second minimum. The previously specified mode is selected. For example, if you selected the menu display while in the level 0 mode, the No.2 dis-...
  • Page 16 CHAPTER 1 INTRODUCTION F Protect mode • To set the controller to the protect mode or to return to the level 0 mode from the protect mode, press the key and key for 1 se- cond minimum simultaneously. F Manual mode •...

  • Page 17: Parameter Types

    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: About Calibration

    (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 ship- ment 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: 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 2-8.

  • Page 22: Installation

    SUB2 OUT1 OUT2 STOP MS NS E5EK • The width of the rear case is 44 mm. J Panel cutout 60 min Unit (mm) • Recommended panel thickness is 1 to 8 • Maintain the specified vertical and hori- zontal mounting space between each controller.

  • Page 23: Mounting

    (1) Insert the E5EK-DRT 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 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, J 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.
  • Page 26 CHAPTER 2 PREPARATIONS F Sensor input • Connect the sensor input to terminal Nos. 11 to 14 and 23 as follows according to the input type. 21 22 Thermocouple Platinum Voltage input Current input resistance thermometer F Control output • Terminal Nos. 7 and 8 are for control output 1 (OUT1), and terminal Nos.
  • Page 27 • Connect an input (RSP) to be used as the remote SP to terminal Nos.15 and 16. 21 22 • Only 4 to 20 mA inputs can be connected. Connect the input as fol- lows: 4 to 20 mA F Communications •...
  • Page 28 CHAPTER 2 PREPARATIONS 2--10...

  • Page 29: 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 Setting Input Specifications .

  • Page 30: 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 set- ting examples for the parameter in question. However, you must pro- ceed to the first parameter of the subsequent item.
  • Page 31 2 function is assigned to auxiliary output 1. A relay output unit is also attached to control output 1. • The upper limit alarm is set. In this example, alarm 2 is set. An alarm is output when the temperature exceeds 10_C of the set point.

  • Page 32: Setting Input Specifications

    “decimal point” parameters need to be set. J 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 33: Analog Input

    1.2_C, the process value (before shift) is regarded 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 “input shift lower limit” parameters (level 2 mode).
  • Page 34 CHAPTER 3 BASIC OPERATION In this example, let’s check the input type and temperature units, and Setting Example shift 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 35: 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 con- trol output (cool) is assigned, and standard control is carried out when output is not assigned.

  • Page 36: Direct/Reverse Operation

    (setup mode). J 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 37: Control Period

    [ ] (“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 38: Setting Alarm Type

    CHAPTER 3 BASIC OPERATION 3.4 Setting Alarm Type • Three alarm outputs are supported: alarms 1 to 3. Of these, only the alarm assigned as the output can be used. • Alarm output conditions are determined according to the combina- tion of the “alarm type”, “alarm value”...

  • Page 39: Alarm Value

    • Alarm type and close in alarm (normally open)/open in alarm (nor- mally close) can be set independently for each alarm. • Close in alarm/open in alarm is set in the “alarm 1 to 3 open in alarm” parameters (setup mode). Factory setting is [ ] “close in...

  • Page 40: Close In Alarm/Open In Alarm

    (8) In this example, the parameter setting is “0.0” so press the until “10.0” is displayed. About the Decimal The decimal point of the alarm value conforms to the setting of the “decimal Point of the Alarm point” parameter (setup mode). (During temperature input, the decimal point of Value the alarm value conforms to the set sensor.)

  • Page 41: Protect Mode

    • The range of usable parameters is specified by the set value of the “security” (protect) parameter. • The following table shows which modes are protected by this set...

  • Page 42: 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 43: Adjusting Control Operation

    3.7 Adjusting Control Operation 3.7 Adjusting Control Operation J Changing the set • You can change the set point in the “set point” parameter (level 0 mode). point • However, note that you cannot change the set point when the “securi- ty”...
  • Page 44 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 45 ] (“AT cancel”). F 40%AT In order to set the limit cycle of MV change width to 40%, select 40%AT to execute auto-tuning with fluctuations in the process value kept to a minimum. However, note that auto-tuning takes longer time to execute compared with 100%AT.
  • Page 46 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 47: 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 48: Manual Operation

    “cooling coefficient” parameters can be used. F Dead band The dead band is set with the set point as its center. The dead band width is the set value of the “dead band” parameter (level 1 mode). Set- ting a positive value produces a dead band, while setting a negative value produces an overlap band.

  • Page 49: Heating And Cooling Control

    • 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 control is made possible. Dead band Hysteresis (heat)

  • Page 50: Operating Condition Restrictions

    “MV upper limit” and “MV lower limit” parameters (level 2 mode). When the manipulated variable calculated by the E5EK-DRT is outside of the range of the MV limiter, actual outputs are dependent on the set value of these parameters.
  • Page 51 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 input type, temperature unit and scaling (sensor) range are changed, set point limiter is forcibly reset to the scaling (sensor) range.

  • Page 52: Manipulated Variable Restrictions

    “run” is switched to from “stop,” process value may reach the set point after SP ramp in the same way as when the set point is changed. In this case, operation is carried out with the process value regarded as the set point before the change was made.

  • Page 53: Set Point Limiter

    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 54 SP tracking function is enabled. If this function is disabled, the SP will be switched to “LSP1”. • When the local SP is switched to the remote SP , the SP ramp will operate if the SP ramp function is enabled.

  • Page 55: How To Use The Heater Burnout Alarm

    • To enable the HBA latch function, set the “HBA latch” parameter to “ON”. J Operating • Turn the heater power supply ON at the same time as or before turn- ing the E5EK-DRT power supply ON. If the heater power supply is conditions turned ON after turning the E5EK-DRT power supply On, the heater burnout alarm is output.
  • Page 56 • 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 smallest current value burns out (the value when one of the heaters burns out with all heaters at the same current).
  • Page 57 LBA detection width, and LBA output remains OFF. • If the heater burns out at the point shown in the above figure, the process value “decreases.” Accordingly, it is judged that “the process value is not changing in the increasing direction” at the 2nd judg- ment timing and the LBA output becomes ON.
  • Page 58 (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 detec- tion time.
  • Page 59 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 ... .
  • Page 60 J 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 61 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 62 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 63 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 minimum. To exit this mode, press the key for 1 second minimum.
  • Page 64 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. • To select this mode when in the levels 1 and 2, setup, expansion, option and cal- ibration modes, press the key for 1 second minimum.
  • Page 65 • 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 Function SP mode.

  • Page 66: Sp Ramp

    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 Unit Monitor Range...
  • Page 67 Monitor Range Heating and cooling 0.0 to 105.0 Run/Stop • This parameter is used for checking the operating status of the controller, and for specifying start and stop of operation. Function • To start operation, set this parameter to [ ] press the keys.
  • Page 68 AT (auto-tuning), setting the alarm values, set- ting the control period, and setting PID parameters. • To select this mode when in the levels 0 and 2, setup, expansion, option and cal- ibration modes, press the key for 1 second minimum.
  • Page 69 The controller must be in operation with 2-PID control. • Selects the limit cycle of MV change width (40% or 100%) for execution. After AT execution, the “PID” and the “LBA detection time” (LBA: Loop Break Alarm) parameters are set automatically.
  • Page 70 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 formula: Cooling side P = cooling coefficient ¢ P...
  • Page 71 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 nega- tive setting sets an overlap band. Function Setting Range Unit Default -19.99 to 99.99...
  • Page 72 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 hystere- sis, and use the “hysteresis (cool)” parameter to set the cooling side hysteresis.
  • Page 73 2-PID control, standard control or heating and cooling control. • Sets the pulse output period. Set the control period taking the control characteris- tics and life expectancy of the controller into consideration. • In standard control, use the “control period (heat)” parameter. The “control Function period (cool)”...
  • Page 74 • 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 Function value is “50.0”, the heater burnout alarm is “ON”.
  • Page 75 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 cal- ibration modes, press the key for 1 second minimum. The display changes to the menu display.
  • Page 76 To change the parameter setting during local operation, change the Function setting 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 operation.
  • Page 77 • Specifies the change rate during SP ramp operation. Set the maximum permissi- ble 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 78 • 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- Function scale of the time preset to this parameter when the manipulated variable is set in the “MV upper limit”...
  • Page 79 MV lower limit MV change rate limit • The “MV upper limit” and “MV lower limit” parameters set the upper and lower limits 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 Function limit or lower limit set to these parameters is output, respectively.
  • Page 80 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 81 The input type must be set to tempera- ture input (thermocouple or platinum Input shift lower limit resistance thermometer). • Sets each of the shift amounts for the input shift upper limit and lower limit val- ues. Function Unit Default Setting Range -199.9 to 999.9...
  • Page 82 E5EK-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 83 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 84 • 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 car- Function ried out. Set the scaling upper limit in the “scaling upper limit” parameter and the scaling lower limit in the “scaling lower limit”...
  • Page 85 • 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 control output (heat) or control output (cool) are assigned to linear outputs such as current and voltage.
  • Page 86 • 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 87 3 type” parameter cannot be used. 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 88 • Selects the output states of alarms 1 to 3. • When the controller is set to “close in alarm,” the status of the alarm output func- tion is output as it is. When set to “open in alarm,” the status of the alarm output Function function is output inverted.
  • Page 89 • 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 dis- play.
  • Page 90 SP setting upper limit SP setting lower limit • Limits the upper and lower limits of the set point. When the set point exceeds the settings 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 Function “Set point lower limit”...
  • Page 91 • 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 Function priority to stability, increase the set value of this parameter.
  • Page 92 “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 dis- play.
  • Page 93 • 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 94 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 95: Setting The Communications Conditions

    • 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 Function slaves.

  • Page 96: Data Assignments

    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 97 Function • When this parameter is set to “OFF”, only the local SP can be used. The set point during SP ramp is enabled only when the SP ramp function is enabled. Setting Range...
  • Page 98 • Sets the remote SP upper and lower limit values. The upper limit value is equiva- lent 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 Function “remote SP lower limit”...
  • Page 99 The remote SP function must be enabled. • 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 Function value.
  • Page 100 “input type” parameter (setup mode) can be used. • To select this mode when in the levels 0 to 2, setup, expansion and option modes, press the key for 1 second minimum. The display changes to the menu dis- play.

  • Page 101: Data Timing

    CHAPTER CHAPTER 6 USING CompoBus/D (DEVICENET) This chapter describes use of the E5EK-DRT as a slave on the Com- poBus/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 102 Parameters 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 (catalog No.: W267). J Data On the E5EK-DRT, the communication data type must be assigned to the read/write areas with the master.
  • Page 103 To write data to the digital controller communications from the master, set the controller to the “remote mode.” Data cannot be written in the “local mode.” When the data assignment parameters are transmitted at their defaults, the write and read areas are config- ured as below;...
  • Page 104 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-spe- cific services (page A-16) from the Configurator (option). Normally, this pro- cess is not executed.

  • Page 105: Data Refreshing By Communications

    Set attribute single : 0.5 ms F Example of actual • Let’s assume that the E5EK-DRT is in the factory shipped state, that one E5EK-DRT is connected with a master unit (C200HW-DRM21) in calculation a point-to-point configuration, and that the programmable controller scan time is 2 ms.

  • Page 106: Setting The Communications Conditions

    J Baud rate • The baud rate must be set to the same value over the entire network. • Select the baud rate in the “baud rate” (option mode) parameter from among 125/250/500 (Kbit/s). Default is “125 (Kbit/s)”.
  • Page 107 The following example is for when assignments are default allocated by when two E5EK- OMRON PLC master C200HW-DRM21-V1 when two E5EK-DRTs are 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”. Output channel...

  • Page 108: Data Assignments

    CHAPTER 6 USING CompoBus/D (DEVICENET) 6.4 Data Assignments J How to assign • To assign data to the write area of the E5EK-DRT, set codes (1 to 40) corresponding to the desired data type in [ : write data data...
  • Page 109 6.4 Data Assignments J Data format • Specify binary (BIN) or binary coded decimal (BCD) as the format of 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 110: Data Structure

    (assignment No. 36) and statuses (assignment Nos. “37” to “40”). J Parameters • These descriptions cover parameters in levels 0 to 2 modes on the E5EK-DRT. Run/Stop, AT and SP mode (remote/local) parameters are handled as separate operation instruction data.
  • Page 111 • Operation instructions are executed in order from the instruction having 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 112 15 14 13 12 • “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 113: Parameters

    2 (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 114: 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). J Setup Conditions [E5EK-DRT] Set the communication conditions between the E5EK-DRT digital con-...
  • Page 115 AT start switch 05605 100%AT start # 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 116 CHAPTER 6 USING CompoBus/D (DEVICENET) 6--16...

  • Page 117: Calibration

    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 118 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 119 Process value • When the process value display is flashing, the process value is not saved as data even if the key is pressed.
  • Page 120 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 F Preparations • When calibrating, do not cover the bottom of the controller. Also, do not touch the input terminals (Nos.11 and 12) and compensating con-...
  • Page 121 (3) Press the key to display [ ] (0mV calibration display). Set STV output to 0mV . When the value on the No.2 display has stabi- lized (changes of several digits max.), press the key to tempo- rarily save the calibration data.
  • Page 122 (3) Press the key to display [ ] (0mV calibration display). Set STV output to 0mV . When the value on the No.2 display has stabi- lized (changes of several digits max.), press the key to tempo- rarily save the calibration data.

  • Page 123: Calibrating Platinum Resistance Thermometers

    [ ] (0Ω calibration display). Short Short terminal terminal Nos. 11 to 13. When the value on the No.2 display has sta- Nos. 11 to 13 bilized (changes of several digits max.), press the key to tempo- rarily store the calibration data.
  • Page 124 [ ] (0Ω calibration display). Short Short terminal terminal Nos. 11 to 13. When the value on the No.2 display has sta- Nos. 11 to 13 bilized (changes of several digits max.), press the key to tempo- rarily store the calibration data.

  • Page 125: Calibrating Current Input

    The display changes to [ ] (0mA calibration display). 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 126: Calibrating Voltage Input

    The display changes to [ ] (0V calibration display). Set the STV output to 0V . When the value on the No.2 dis- play has stabilized (changes of several digits max.), press the key to temporarily store the calibration data.
  • Page 127 The display changes to [ ] (0V calibration display). Set the STV output to 0V . When the value on the No.2 dis- play has stabilized (changes of several digits max.), press the key to temporarily store the calibration data.

  • Page 128: Checking Indication Accuracy

    Accuracy • Operate the E5EK-DRT controller in the PV/SP monitor (level 0 mode) mode. • Check the indication accuracy at the upper and lower limits and mid- point. F Thermocouple • Preparation The following figure shows the required device connection. Make sure...
  • Page 129 The following figure shows the required device connection. 21 22 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. 21 22 SOURCE •...
  • Page 130 CHAPTER 7 CALIBRATION 7--14...

  • Page 131: Troubleshooting

    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 132 The E5EK-DRT is equipped with a function for monitoring the commu- nications power supply. For this reason, the MS lights green and NS blinks red when the E5EK- DRT power is being supplied with the communications power not being supplied.
  • Page 133 F Operation at For control output functions, output the manipulated variable matched error to the setting of the “MV at PV error” parameter (level 2 mode). Alarm output functions are activated when the upper limit is exceeded. Memory error F Meaning Internal memory operation is in error.
  • Page 134 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 135 (level 2 mode). F 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 136 CHAPTER 8 TROUBLESHOOTING 8.4 Checking Operation Restrictions With the E5EK-DRT controller, auto-tuning sometimes does not oper- ate depending on the way functions are combined. The table below summarizes the main operating restrictions. If the E5EK-DRT controller is not operating properly, first check whether operating conditions violate the restrictions in this table.
  • Page 137 APPENDIX SPECIFICATIONS ......ABOUT CURRENT TRANSFORMER (CT) . . . CONTROL BLOCK DIAGRAM ....
  • Page 138 Platinum resistance thermometer: JPt100, Pt100 Sensor Input Current input: 4 to 20mA, 0 to 20 mA (input impedance 150Ω) Voltage input: 1 to 5VDC, 0 to 5VDC, 0 to 10VDC (input impedance 1MΩ) CT input: E54-CT1, E54-CT3 Sub-Input Remote SP input: 4 to 20 mA (input impedance 150Ω)
  • Page 139 Non-volatile memory (number of writings : 100,000 operations) *1 The 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 140 : According to the PLATINEL II Electromotive Force Tables from ENGELHARD Jpt100 : JIS C 1604-1989, JIS C 1606-1989 Pt100 : IEC751 ; 1983 J 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 141 Dielectric Strength 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. F Dimensions E54-CT1 2- 3.5 E54-CT3 2.36 2-M3 depth 4 A--5...
  • Page 142 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 143 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 144 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--8...
  • Page 145 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--9...
  • Page 146 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 147 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--11...
  • Page 148 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 configurator you are using. J Slave Device Protocol...
  • Page 149 USING THE E5EK-DRT IN MULTI-VENDOR APPLICATIONS J Object Mounting F Identity Object (0x01) Object class Attribute Not supported Service Not supported ID Content Value (read) (write) Object instance Att ib t Attribute Vendor Product type Product code Revision Status (bits supported)
  • Page 150 Service 0E Get Attribute_Single 10 Get Attribute_Single F Connection Object (0x05) Object class Attribute Not supported Service Not supported Max. number of active connections Item Section Information Max. number of interfaces Object instance 1 Instance type Explicit Message Production trigger...
  • Page 151 24_04_24_01_30_03 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--15...
  • Page 152 Control output 1 assignment Control output 2 assignment Auxiliary output 1 assignment Auxiliary output 2 assignment Alarm 1 type Alarm 1 open in alarm Alarm 2 type Alarm 2 open in alarm Alarm 3 type Alarm 3 open in alarm...
  • Page 153 USING THE E5EK-DRT IN MULTI-VENDOR APPLICATIONS Content (read) (write) 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 154 Network ......Calibration: 0 to 5 VDC, 1 to 5 VDC ..
  • Page 155 No.2 display ......How to Use the Heater Burnout Alarm Node address ....
  • Page 156 Outline of CompoBus/D ....Setting range and Indication range of Sensor input ..... .
  • Page 157 Revision History A manual revision code appears as a suffix to the catalog number on the front cover of the manual. Cat. No. H099-E1-02 Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to previous version.
  • Page 158 OMRON (CHINA) CO., LTD. OMRON ASIA PACIFIC PTE. LTD. In the interest of product improvement, Room 2211, Bank of China Tower, No. 438A Alexandra Road # 05-05/08 (Lobby 2), specifications are subject to change without notice. 200 Yin Cheng Zhong Road, Alexandra Technopark,...

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