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Omron E5 Getting Started Manual

Digital temperature controllers
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Cat. No. H08E-EN-01
E5CN
E5AN
E5EN
E5GN
ZX-T Series
Digital
Temperature Controllers
Getting Started Manual

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  • Page 1 Cat. No. H08E-EN-01 E5CN E5AN E5EN ZX-T Series E5GN Digital Temperature Controllers Getting Started Manual...
  • Page 3 E5CN/E5AN/E5EN/E5GN Digital Temperature Controllers Getting Started Manual Basic Type Revised August 2010 This manual needs the H04E+E5CN(-U) and H03E+E5EN/AN datasheet for selection and installation. (This manual is a selection from the full manual H156)
  • Page 5 Controller and use the Digital Temperature Controller correctly according to the information provided. Keep this manual in a safe place for easy reference. Refer to the full manual for advanced settings: E5CN/E5AN/E5EN/E5GN Digital Temperature Controllers User’s Manual (Cat. No. H156).
  • Page 6 © OMRON, 2010 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, or otherwise, without the prior written permission of OMRON.
  • Page 7 When starting operation after the Temperature Controller has warmed up, turn OFF the power and then turn it ON again at the same time as turning ON power for the load. (Instead of turning the Temperature Controller OFF and ON again, switching from STOP mode to RUN mode can also be used.) Avoid using the Controller in places near a radio, television set, or wireless installing.

  • Page 8: Power Supply

    ● Ferrite Core Connection Examples 1. E5CN/E5CN-H Auxiliary outputs (relay outputs) Auxiliary output 2 Control output 1 − Auxiliary DO NOT output 1 DO NOT ● Power supply − − ● − Input power AC/DC ● supply DO NOT 3 turns...
  • Page 9 Preparations for Use Be sure to thoroughly read and understand the manual provided with the product, and check the fol- lowing points. Timing Check point Details Purchasing the prod- Product appearance After purchase, check that the product and packaging are not dented or otherwise damaged.

  • Page 10: Conventions Used In This Manual

    Loop burnout alarm Engineering unit (See note 2.) Note: (1) A heater short indicates that the heater remains ON even when the control output from the Tempera- ture Controller is OFF because the SSR has failed or for any other reason.

  • Page 11: Table Of Contents

    SECTION 1 Introduction........

  • Page 12: About This Manual

    Section 5 describes the individual parameters used to setup, control, and monitor operation. • Operations for Applications Section 4 describes scaling, the SP ramp function, and other special functions that can be used to make the most of the basic functionality of the E5CN/CN-U/AN/EN/GN Digital Temperature Control- lers.

  • Page 13: Introduction

    I/O Configuration ........

  • Page 14: Names Of Parts

    Names of Parts Section 1-1 Names of Parts 1-1-1 Front Panel E5CN/CN-U The front panel is the same for the E5CN and E5CN-U. Temperature unit No. 1 display Operation indicators No. 2 display Up Key Level Key Down Key Mode Key...
  • Page 15 Names of Parts Section 1-1 E5EN Operation indicators SUB1 SUB2 SUB3 Temperature unit No.1 display No.2 display OUT1 STOP No.3 display Operation indicators OUT2 MANU Up Key Mode Key Function Key/ Level Key Auto/Manual Key E5EN Down Key E5GN No. 1 display...

  • Page 16: Explanation Of Indicators

    During operation, this indicator lights when operation is stopped by an event or by key input using the RUN/STOP function. 5. CMW (Communications Writing) Lights when communications writing is enabled and is not lit when it is dis- abled. 6. MANU (Manual Mode) Lights when the auto/manual mode is set to manual mode.

  • Page 17: Using The Keys

    This section describes the basic functions of the front panel keys. PF (Function (Auto/ This is a function key. When it is pressed for at least 1 second, the function set Manual)) Key in the PF Setting parameter will operate.

  • Page 18: I/O Configuration And Main Functions

    Note Functions can be assigned individually for each output by changing the set values for the Control Output 1 Assignment, the Control Output 2 Assignment, the Auxiliary Output 1 Assignment, and the Auxiliary Output 2 Assignment...
  • Page 19 Program end output Note Functions can be assigned individually for each output by changing the set values for the Control Output 1 Assignment, the Auxiliary Output 1 Assign- ment, and the Auxiliary Output 2 Assignment parameters in the advanced function setting level.
  • Page 20 Note Functions can be assigned individually to each output by changing the set val- ues for the Control Output 1 Assignment, Control Output 2 Assignment, Auxil- iary Output 1 Assignment, Auxiliary Output 2 Assignment, and Auxiliary...
  • Page 21 Communications function Note Functions can be assigned individually for each output by changing the set values for the Control Output 1 Assignment, the Auxiliary Output 1 Assign- ment, and the Auxiliary Output 2 Assignment parameters in the advanced function setting level.

  • Page 22: Main Functions

    (i.e., E5_N-@@@@L): Current input: 4 to 20 mA DC, 0 to 20 mA DC Voltage input: 1 to 5 VDC, 0 to 5 V DC, 0 to 10 V DC Control Outputs • A control output can be a relay, voltage (for driving SSR), or current out- put, depending on the model.
  • Page 23 Sensor. Transfer Output A transfer output for 4 to 20 mA can be used with the E5AN/E5EN-@@F. For E5@N-C@@ models (models without “F” in the model number), the cur- rent output can be used as a simple transfer output.

  • Page 24: Setting Level Configuration And Key Operations

    Note (1) You can return to the operation level by executing a software reset. (2) You cannot move to other levels by operating the keys on the front panel from the calibration level. You must turn OFF the power supply.
  • Page 25 • To move to the adjustment level, press the O Key once (for less than 1 s). Adjustment Level • This level is for entering set values and offset values for control. In addi-...

  • Page 26: Selecting Parameters

    Section 1-3 Initial Setting Level • To move to the initial setting level from the operation level or the adjust- ment level, press the O Key for at least 3 seconds. The PV display flashes after one second. This level is for specifying the input type and selecting the control method, control period, setting direct/reverse opera- tion, setting the alarm types, etc.

  • Page 27: Communications Function

    Parameter 4 1-3-2 Saving Settings • If you press the M Key at the final parameter, the display returns to the top parameter for the current level. • To change parameter settings, specify the setting using the U or D Key, and either leave the setting for at least two seconds or press the M Key.
  • Page 28 Setting Communications Match the communications specifications of the E5CN/AN/EN/GN and the Data host computer. If a 1:N connection is being used, ensure that the communica- tions specifications for all devices in the system (except the communications Unit No.) are the same.

  • Page 29: Insulation Block Diagrams

    Insulation Block Diagrams Section 1-5 Insulation Block Diagrams The insulation block diagrams for the E5CN, E5AN, E5EN, and E5GN are pro- vided in this section. E5CN Input, CT input, Q outputs (outputs 1 and 2) Communications and events External power supply...
  • Page 30 Insulation Block Diagrams Section 1-5...

  • Page 31: Preparations

    Removing the Temperature Controller from the Case ... Using the Support Software Port ........

  • Page 32: Installation

    0.29 to 0.39 N·m. Mounting the Terminal Cover For the E5CN, make sure that the “UP” mark is facing up, and then attach the E53-COV17 Terminal Cover to the holes on the top and bottom of the Temper-...
  • Page 33 1 to 8 mm). Attach the Mounting Brackets provided with the product to the mounting grooves on the top and bottom surfaces of the rear case. 3. Use a ratchet to alternately tighten the screws on the top and bottom Mounting Brackets little by little to maintain balance, until the ratchet turns freely.

  • Page 34: Removing The Temperature Controller From The Case

    2. Insert the flat-blade screwdriver in the gap between the front panel and rear case, and pull out the front panel slightly. Hold the top and bottom of the front panel and carefully pull it out toward you, without applying unnec-...
  • Page 35 2. Insert the flat-blade screwdriver in the gap between the front panel and rear case (two on the top and two on the bottom), and use it to pry and pull out the front panel slightly. Then, pull out on the front panel gripping both...
  • Page 36 PCBs are parallel to each other, make sure that the sealing rubber is in place, and press the E5AN/EN toward the rear case until it snaps into position. While pressing the E5AN/EN into place, press down on the hooks on the top and bottom surfaces of the rear case so that the hooks securely lock in place.
  • Page 37 Installation Section 2-1 Note The method for removing the terminal block is the same for both screw termi- nal blocks and screwless clamp terminal blocks. Do not connect a different type of terminal block to a Controller. For example, do not replace a screw terminal block with a screwless clamp terminal block.

  • Page 38: Using The Support Software Port

    Use the communications port for Support Software to connect the personal computer to the Temperature Controller when using EST2-2C-MV4 CX- Thermo or a version of CX-Thermo higher than 4.00, or other Support Soft- ware. The E5GN is supported from CX-Thermo version 4.2. The E58-CIFQ1 USB-Serial Conversion Cable is required to make the connection.
  • Page 39 • Installation When the Cable is connected with the personal computer, the OS detects the product as a new device. At this time, install the driver using the instal- lation wizard. For details on installation methods, refer to the user’s man- ual for the E58-CIFQ1 USB-Serial Conversion Cable.
  • Page 40 Using the Support Software Port Section 2-2...

  • Page 41: Basic Operation

    Setting Output Specifications ........

  • Page 42: Initial Setting Examples

    Initial hardware setup, including the sensor input type, alarm types, control periods, and other settings, is done using parameter displays. The O and M Keys are used to switch between parameters, and the amount of time that you press the keys determines which parameter you move to.
  • Page 43 Set alarm type Check the Control Period It is recommended that 20 seconds control period. (Heat) be set for a relay output and 2 (Unit: Seconds) seconds for an SSR voltage output. Check the alt1 alarm type. Alarm 1 Type: Press the O key for at least 1 s.

  • Page 44: Setting The Input Type

    The following example shows how to set a K thermocouple for −20.0 to 500.0°C. Operating Procedure 1. Press the O Key for at least three seconds to move from the operation Operation Level level to the initial setting level. 2. Press the U Key to enter the set value of the desired sensor.
  • Page 45 S.ERR will be displayed. To clear the S.ERR display, check the wiring and then turn the power OFF and back ON. Make sure that the setting of the input type parameter agrees with the sensor that is connected.

  • Page 46: Selecting The Temperature Unit

    Input Type in-t c: °C f: °F 3. To return to the operation level, press the O Key for at least one second. Temperature Unit Selecting PID Control or ON/OFF Control Two control methods are supported: 2-PID control and ON/OFF control.

  • Page 47: Direct And Reverse Operation

    Initial Setting Level 2. The input type is displayed. When the input type is being set for the first time, s (K thermocouple) is set. To select a different sensor, press the U Input Type in-t or D Key.

  • Page 48: Assigned Output Functions

    The default is or-r (reverse operation). To select or-d (direct opera- Operation tion), press the U Key. or-r 6. To return to the operation level, press the O Key for at least one second. Operation Level PV/SP 7. Select the Move to Advanced Function Setting Level parameter by press-...
  • Page 49 Control Output 1 Assignment parameter, then alarm 1 has been assigned. Assigning a work bit to either control output 1 or 2 or to auxiliary output 1 to 3 is also considered to be the same as assigning an alarm. For example, if work bit 1 is set for the Auxiliary Output 1 Assignment parameter, then alarms 1 to 3 have been assigned.
  • Page 50 Initial Setting Level function setting level to the initial setting level. Input Type in-t 15. Press the O Key for at least one second to move from the initial setting Operation Level level to the operation level. PV/SP Auxiliary Output •...

  • Page 51: Setting The Set Point (Sp)

    Operation Level The operation level is displayed when the power is turned ON. The process value (PV) is at the top of the display, and the set point (SP) is at the bottom. Operation Level For Controllers that support a No. 3 display (E5AN/E5EN), the contents set in the PV/SP Display Screen Selection parameter (advanced function setting level) are displayed below the PV and SP.

  • Page 52: Using On/Off Control

    • Switching between 2-PID control and ON/OFF control is performed using the PID ON/OFF parameter in the initial setting level. When this parame- ter is set to pid, 2-PID control is selected, and when it is set to onof, ON/ OFF control is selected. The default is onof.

  • Page 53: Settings

    1. Select the Process Value/Set Point parameter in the operation level. PV/SP 2. Use the U and D Keys to set the SP. (In this example, it is set to 200.) The new set value can be saved by pressing the M Key, or it will go into effect after two seconds have elapsed.

  • Page 54: Determining Pid Constants (At, St, Manual Setup)

    Hysteresis (Heating) 4. Press the U and D Keys to set the hysteresis (2.0 in this example). Ei- ther press the M Key or wait for at least two seconds after setting the hys- teresis value to confirm the setting.
  • Page 55 ■ 40% AT The width of MV variation in the limit cycle can be changed in the Limit Cycle MV Amplitude parameter, but the AT execution time may be longer than for 100% AT. The limit cycle timing varies according to whether the deviation (DV) at the start of auto-tuning execution is less than 10% FS.

  • Page 56: St (Self-Tuning)

    ST (self-tuning) is enabled when the ST parameter is set to ON in the initial setting level. When the ST function is in operation, be sure to turn the power supply of the load connected to the control output ON simultaneously with or before starting Controller operation.
  • Page 57 2. Select the ST parameter by pressing the M Key. 3. Press the U Key to select on. ON is the default. 4. To return to the operation level, press the O Key for at least one second. Operation Level The temperature display flashes during self-tuning (ST) execution.

  • Page 58: Rt (Robust Tuning)

    • When the RT mode is selected, the derivative time setting unit be- comes the second. RT Features • Even when hunting occurs for PID constants when AT or ST is executed in normal mode, it is less likely to occur when AT or ST is executed in RT mode. Temperature Temperature Much hunting occurs.
  • Page 59 4. Press the M Key to select rt. Advanced Function Setting Level 5. Press the U Key to select on. off is the default. 6. To return to the initial setting level, press the O Key for at least one sec- Initial Setting Level ond.

  • Page 60: Manual Setup

    Determining PID Constants (AT, ST, Manual Setup) Section 3-8 7. To return to the operation level, press the O Key for at least one second. Operation Level PV/SP 3-8-4 Manual Setup Individual PID constants can be manually set in the Proportional Band, Inte- gral Time, and Derivative Time parameters in the adjustment level.

  • Page 61: Alarm Outputs

    E5GN-@1@@@ (1 auxiliary output), and E5GN- @2@@@ (2 auxiliary outputs). Alarms can also be used by setting the Control Output 1 Assignment or Control Output 2 Assignment parameter to any of the alarms from alarm 1 to 3. The alarm output condition is determined by a combination of the alarm type, alarm value, alarm hysteresis, and the standby sequence.
  • Page 62 Refer to page 52. (See note 8.) Note (1) With set values 1, 4, and 5, the upper- and lower-limit values can be set independently for each alarm type, and are expressed as “L” and “H.” (2) Set value: 1 (Upper- and lower-limit alarm)

  • Page 63: Alarm Values

    • To set the alarm value upper and lower limits for deviation, set the upper and lower limits in each of the Alarm 1 to 3 Upper Limit, and Alarm 1 to 3 al3l Lower Limit parameters in the operation level.
  • Page 64 250 ms. If a positive value is set for the alarm value, the PV will operate as a change rate alarm in the rising direction. If a negative value is set, the PV will operate as a change rate alarm in the falling direction.

  • Page 65: Using Heater Burnout, Heater Short, And Heater Overcurrent Alarms

    Control output (heating) Note (1) In the above diagram, power is considered to be ON (normal) if the heater current is greater than the heater burnout detection current during the Ton interval. If the heater is burned out, the measured current decreases and falls below the heater burnout detection value.

  • Page 66: Installing Current Transformers (Ct)

    1.0 A for heaters of less than 10.0 A, and at least 2.5 A for heaters of 10.0 A or more. If the heater current is too low, loop the load line several times through a CT, as shown in the diagram below.

  • Page 67: 3-10-3 Calculating Detection Current Values

    Heater Burnout Detection 1/2 set value = Normal current value + Burnout current value HS Alarm 1/2 set value = Leakage current value (output OFF) + HS current value Heater overcurrent 1/2 set value = Normal current value + Overcurrent value •...
  • Page 68 When the difference is less than 2.5 A, detection is unstable. • The setting range is 0.1 to 49.9 A. Heater burnout, HS, and heater over- current are not detected when the set value is 0.0 or 50.0. When the set value is 0.0, the heater burnout alarm is always OFF, the HS alarm is...

  • Page 69: 3-10-4 Settings: Hb Alarm

    (For details on moving between levels, refer to 4-8 of H156 Moving to the Input Type in-t Advanced Function Setting Level.) 3. Press the D Key to enter the password (−169), and move from the initial Initial Setting Level setting level to the advanced function setting level. amov...

  • Page 70: 3-10-5 Settings: Heater Short Alarm

    Using Heater Burnout, Heater Short, and Heater Overcurrent Alarms Section 3-10 9. For this example, set 2.5. To return to the operation level, press the O Key for less than one second. 3-10-5 Settings: Heater Short Alarm To activate the HS alarm, set the HS Alarm Use parameter to ON in the advanced function setting level and set the HS Alarm 1 and HS Alarm 2 parameters in the adjustment level.

  • Page 71: 3-10-6 Settings: Heater Overcurrent Alarm

    Using Heater Burnout, Heater Short, and Heater Overcurrent Alarms Section 3-10 ■ HS Alarm Settings 5. Press the O Key for at least one second to move from the advanced Operation Level function setting level to the initial setting level. Press the O key again for PV/SP at least one second to move to the operation level.
  • Page 72 Heater Overcurrent Detection 1 parameter. ■ Setting Heater Overcurrent Detection 5. Press the O Key for at least one second to move from the advanced Operation Level function setting level to the initial setting level. Press the O key again for PV/SP at least one second to move to the operation level.

  • Page 73: 3-11 Setting The No. 3 Display

    For details on setting the MV for heating and cooling control, refer to MV Dis- play for Heating and Cooling Control below. When 1, 2, 5, or 6 is selected, press the M Key to display the next value set for the PV/SP display (display 2).
  • Page 74 6. Press the O Key for at least one second to move from the advanced spdp function setting level to the initial setting level. 7. Press the O Key for at least one second to move from the initial setting Initial Setting Level level to the operation level.

  • Page 75: Applications Operations

    Event Input Settings ........

  • Page 76: Shifting Input Values

    Input shift value Lower limit Input Operating Procedure In this example, the input from a K sensor is shifted by 1°C using a 1-point input shift. Operation Level Operation Level 1. Press the O Key to move from the operation level to the adjustment level.

  • Page 77: How To Calculate Input Shift Values For A 2-Point Shift

    Shifting Input Values Section 4-1 Two-point shift • Separate shift values can be set for the upper limit and lower limit of the Upper-limit insh sensor input range for an infrared sensor as well as for a thermocouple or Temperature...
  • Page 78 Method for a 1-point Shift 1,2,3... 1. In the configuration shown in Figure 1, bring the set point to near the value at which the temperature of the control target is to be controlled. Assume that the control target temperature (C) and the thermometer temperature (B) are the same.
  • Page 79 Shifting Input Values Section 4-1 Method for a 2-point Use a 2-point input shift if you want to increase the accuracy of the readout Shift values across the range of the Sensor. 1,2,3... 1. Shift the Controller readout at two points, near room temperature and near the value at which the temperature of the control target is to be controlled.

  • Page 80: Alarm Hysteresis

    Alarm Hysteresis Section 4-2 Example of a 2-point In this example, we use the ES1B K 0 to 260°C specification. In equations 1 Temperature Input and 2, the set temperature lower limit YL is 0°C and the set temperature upper limit YH is 260°C.

  • Page 81: Setting Scaling Upper And Lower Limits For Analog Inputs

    4-2-2 Alarm Latch • The alarm latch can be used to keep the alarm output ON until the latch is canceled regardless of the temperature once the alarm output has turned Any of the following methods can be used to clear the alarm latch.

  • Page 82: Executing Heating/Cooling Control

    Lower limit (10.0%) Input (mA) Operating Procedure In this example scaling is set to display 4 to 20 mA as 10.0% to 95.0%. 1. Press the O Key for three seconds to move from the operation level to Initial Setting Level the initial setting level.
  • Page 83 Direct/Reverse Operation parameter is set to “direct.” • When DRS (Invert Direct/Reverse Operation) is assigned for an Event Input Assignment (1 or 2), control will start with the contents set for the Direct/Reverse Operation parameter inverted when the event input turns ON, and with the contents left according to the setting when the event input turns OFF.
  • Page 84 Section 4-4 Dead Band • For heating/cooling control, 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 (adjustment level). Setting a negative value produces an overlapping band.

  • Page 85: Settings

    Band, and Cooling Coefficient parameters. Setting Heating/Cooling Control Operating Procedure Standard or heating/cooling = Heating/cooling 1. Press the O Key for at least three seconds to move from the operation Initial Setting Level level to the initial setting level. Standard or...

  • Page 86: Using Event Inputs

    40% AT Execute/Cancel, Setting Change Enable/Disable, and Alarm Latch Cancel. • Of these, only the number of event inputs (0 to 2) set in the Number of Multi-SP Uses parameter (initial setting level) are used for the multi-SP function.
  • Page 87 Event Input Assignment 2 parameter. Not displayed (Operation performed with four Multi-SP points.) EV3 and EV4 will be used for the Multi-SP function to switch between set points 0, 1, 2, and 3.

  • Page 88: How To Use The Multi-Sp Function

    4-5-2 How to Use the Multi-SP Function The multi-SP function allows you to set up to four set points (SP 0 to 3) in the adjustment level. The set point can be switched by operating the keys on the front panel or by using external input signals (event inputs).

  • Page 89: Settings

    Number of ev-m Multi-SP Uses 3. Use the U Key to set the parameter to 2. ev-m Set points 0, 1, 2 and 3 will be set according to the ON/OFF states of event inputs 1 and 2. E5AN/EN E5GN E5CN −...
  • Page 90 When the Event Input Assignment 1 or Event Input Assignment 2 parameter of the Simple is set to PRST (program start), the program will start when event input 1 or 2 turns ON. The program will be reset when the input turns OFF and the RUN/ Program Function STOP status will automatically switch to STOP mode.

  • Page 91: Setting The Sp Upper And Lower Limit Values

    When AT-2 (100% AT Execute/Cancel) is set for either the Event Input Assign- Execute/Cancel ment 1 or Event Input Assignment 2 parameter, 100% AT will be executed when event input 1 or 2 turns ON and will be cancelled when the input turns OFF. Setting...

  • Page 92: Setting

    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 and the temperature unit,...

  • Page 93: Using The Sp Ramp Function To Limit The Sp Change Rate

    During the SP ramp, control will be performed not for the specified set point but rather for the set point restricted by the rate of change set for the SP ramp function.
  • Page 94 STOP to RUN mode, the process value reaches the set point using the SP ramp function in the same way as when the set point is changed. In this case, operation is carried out with the process value treated as the set point before the change was made.
  • Page 95 The operation of alarms during SP ramp operation depends on whether Ramp Operation alarms are set to be based on the ramp set point or the target set point (refer to the following diagrams). The set point to be used is set in the Alarm SP Selection parameter.
  • Page 96 Using the SP Ramp Function to Limit the SP Change Rate Section 4-7...

  • Page 97: Index

    E5EN ......3 alarms ....... 10 E5GN .
  • Page 98 E5CN ......22 level key ......5 removing the terminal block E5GN .
  • Page 99 ......65 up key ....... 5...

  • Page 100: Revision History

    Revision History A manual revision code appears as a suffix to the catalog number on the front cover of the manual. Cat. No. H08E-EN-01 Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to the previous version.

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