Omron E5CN User Manual
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Omron E5CN User Manual

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E5CN Temperature Controller
User's Manual
Revised July 2003

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Summary of Contents for Omron E5CN

  • Page 1 E5CN Temperature Controller User’s Manual Revised July 2003...
  • Page 2 Notice: OMRON products are manufactured for use according to proper procedures by a qualified operator and only for the purposes described in this manual. The following conventions are used to indicate and classify precautions in this manual. Always heed the information provided with them. Failure to heed precautions can result in injury to people or dam- age to property.

  • Page 3: Conventions Used In This Manual

    OMRON. No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is con- stantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS PRECAUTIONS ........Preface ..............Precautions.
  • Page 5 TABLE OF CONTENTS To Move to the Advanced Function Setting Level ....... . Using the Key Protect Level .

  • Page 6: About This Manual

    About this Manual: Please read this manual carefully and be sure you understand the information provided before attempting to install or operate the E5CN Temperature Controller. Be sure to read the precautions pro- vided in the following section. Precautions provides general precautions for using the E5CN Temperature Controller.

  • Page 7: Precautions

    This section provides general precautions for using the E5CN Temperature Controller. The information contained in this section is important for the safe and reliable application of the E5CN Temperature Controller. You must read this section and understand the information contained before attempting to set up or operate a Temperature Controller.

  • Page 8: Preface

    Preface Preface The compact temperature controller E5CN allows the user to carry out the fol- lowing: • Select from many types of temperature, infrared temperature sensor and analog input • Select heating and cooling control in addition to standard control •...

  • Page 9: Safety Precautions

    Safety Precautions !WARNING Indicates information that, if not heeded, could possibly result in loss of life or serious injury. !Caution Indicates information that, if not heeded, could result in relatively serious or minor injury, damage to the product, or faulty operation. Safety Precautions !Caution Electric Shock Warning Do not touch the terminals while the power is ON.
  • Page 10 If the E5CN is installed inside a control board, the ambient temperature must be kept to under 55 ° C, including the temperature around the E5CN. If the E5CN is subjected to heat radiation, use a fan to cool the surface of the E5CN to under 55 ° C.

  • Page 11: Introduction

    SECTION 1 INTRODUCTION Names of Parts ..........1-1-1 Front panel .

  • Page 12: Names Of Parts

    Note, however, that OUT1 is out at all times when control output 1 is current output. 4. STOP (stop) Lights when control of the E5CN has been stopped. During control, this indicator lights when an event or the run/stop function has be- come stopped.

  • Page 13: I/O Configuration And Main Functions

    Each press of this key decrements values displayed on the No.2 display. Hold- ing down this key continuously decrements values. This key combination sets the E5CN to the “protect level.” For details on the combination protect level, see Section 5 Parameters.

  • Page 14: Main Functions

    • Optimum PID constants can be set easily by AT (auto-tuning) and ST (self-tuning). Event input • When the option event input unit E53-CNHB is mounted in the E5CN, the following functions can be achieved by event input: Set point selection (multi-SP max. 4 points) and run/stop •...

  • Page 15: How Setup Levels Are Configured And Operating The Keys On The Front Panel

    Parameters are divided into groups, each called a “level”. Each of the set val- ues (setup items) in these levels are called a “parameter.” The parameters on the E5CN are divided into the following seven levels: Power ON Operation level...
  • Page 16 Section 1-3 How Setup Levels Are Configured and Operating the Keys on the Front Panel Protect level • To move the mode at this level, simultaneously press the keys for at least three seconds in the operation level or adjustment level. This level is for preventing unwanted or accidental modification of param- eters.

  • Page 17: Communications Function

    Communications Function The E5CN can be provided with a communications function that allows you to check and set controller parameters on a host computer. If the communica- tions function is required, mount the option unit E53-CNH03 in the E5CN. For details on the communications function, see the separate “Communications...
  • Page 18 Communications unit No. Baud rate Data bit Stop bit Parity Setting up Set the E5CN communications specifications so that they match the commu- communications data nications setup of the host computer. Parameter Displayed Set (monitor) Value Settings...

  • Page 19: Preparations

    SECTION 2 PREPARATIONS Installation........... . 2-1-1 Dimensions .

  • Page 20: Installation

    Finally use the two screws on the adapter to secure the unit in place. • To mount the E5CN so that it is waterproof, insert the waterproof packing onto the E5CN. The E5CN cannot be waterproofed when the E5CN is group-mounted.

  • Page 21: Setting Up The Option Units

    Section 2-1 Installation 2-1-3 Setting up the option units If communications, event input and heater burnout functions are required, mount the communications unit (E53-CNH03 or E53-CN03) or the event input unit (E53-CNHB or E53-CNB). The heater burnout function is supported on either of these two option units. Option units Name Model...

  • Page 22: Wiring Terminals

    1,2,3... 1. Insert the E5CN into the mounting hole in the panel. 2. Push the adapter along the E5CN body from the terminals up to the panel, and fasten temporarily. 3. Tighten the two fixing screws on the adapter. When tightening screws, tighten the two screws alternately keeping the torque to approximately 0.29 to 0.39 N ⋅...

  • Page 23: Precautions When Wiring

    Wiring Terminals 2-2-2 Precautions when wiring • Separate input leads and power lines in order to protect the E5CN and its lines from external noise. • Use AWG28 or larger twisted pair cable. • We recommend using solderless terminals when wiring the E5CN.
  • Page 24 • When the option unit (E53-CNHB or E53-CNH03) is mounted on the E5CN, an OR of alarm output 1 and the heater burnout alarm will be out- put. To disable alarm output 1 and output only the heater burnout alarm on terminals 7 and 8, set the mode of the alarm output 1 to 0.
  • Page 25 Communications • When the option communications unit E53-CNH03 is mounted in the E5CN for communicating with a host computer, connect the communica- tions cable across terminal Nos. 11 and 12. Specify both ends of the transmission path including the host computer as the end node (that is, connect terminators to both ends).

  • Page 26: Requests At Installation

    Section 2-3 Requests at Installation Requests at Installation 2-3-1 To ensure prolonged use Use the temperature in the following operating environment: Temperature : –10 to +55 ° C (icing and condensation not allowed) Humidity : 25 to 85% When the temperature controller is incorporated in a control panel, make sure that the controller’s ambient temperature and not the panel’s ambient temper- ature does not exceed 55 °...

  • Page 27: Basic Operation

    SECTION 3 BASIC OPERATION Initial Setup Examples ......... . Setting the Input Type .

  • Page 28: Initial Setup Examples

    Section 3-1 Initial Setup Examples Initial Setup Examples On previous controllers, sensor input type, alarm type and control period were set by the DIP switches. These hardware settings are now set in parameters in setup menus. The keys are used to switch between setup menus, and the amount of time that you hold the keys down for determines which setup menu you move to.
  • Page 29 Section 3-1 Initial Setup Examples Typical example 2 Setup procedure Input type: 4 T thermocouple -200 to 400°C Control method: PID control Power ON Power ON Calculate PID constants by AT (auto-tuning) execution. Alarm type: 2 upper limit Alarm value 1: 30°C (deviation) Operation level Set point:...

  • Page 30: Setting The Input Type

    The E5CN supports four input types: platinum resistance thermometer, ther- mocouple, infrared temperature sensor and analog inputs. Set the input type matched to the sensor used in the “input type” parameter. The E5CN specifi- cations support two types of inputs, platinum resistance thermometer input types and thermocouple input type, whose set values differ.

  • Page 31: Selecting ×C/×F

    Selecting °C/°F Section 3-3 Selecting °C/°F 3-3-1 Temperature unit • Select either “ ° C” or “ ° F” as the temperature unit. • Set the temperature unit in the “temperature unit” parameter of “initial set- ting level”. Default is “c: ° C”. Select “...

  • Page 32: Selecting Pid Control Or On/Off Control

    Selecting PID Control or ON/OFF Control Selecting PID Control or ON/OFF Control The E5CN supports two control methods, 2-PID control and ON/OFF control. The control method is selected by the “PID / ON/OFF” parameter in the “initial setting level”. When this parameter is set to “pid”, 2-PID control is set, and when set to “onof”, ON/OFF control is set (default).

  • Page 33: Setting Output Specifications

    Section 3-5 Setting Output Specifications Setting Output Specifications 3-5-1 Control period • Set the output period (control period). Though a shorter period provides Control better control performance, we recommend setting the control period to period (OUT1) 20 seconds or more taking the life expectancy in the case of relay output into consideration.
  • Page 34 Section 3-5 Setting Output Specifications In this example, let’s monitor the “input type”, “temperature unit”, “direct/ Operation Procedure reverse operation” and “control period (OUT1)” parameters. “input type” = “0”: K thermocouple “temperature unit” = “c”: ° C “direct/reverse operation” = “or-r”: reverse operation “control period (OUT1)”...

  • Page 35: Setting The Sp

    Section 3-6 Setting the SP Setting the SP The “operation level” is displayed when the E5CN is turned ON. The upper Operation level display (No.1 display) displays the process value, and the lower display (No.2 display) displays the set point.

  • Page 36: Executing On/Off Control

    Section 3-7 Executing ON/OFF Control Executing ON/OFF Control In “ON/OFF” control, the control output turns OFF when the currently con- trolled temperature reaches a preset set point. When the manipulated variable turns OFF, the temperature begins to fall and the control turns ON again. This operation is repeated at a certain point.

  • Page 37: Setup

    Section 3-7 Executing ON/OFF Control 3-7-2 Setup To execute ON/OFF control, set the “set point,” “PID / ON/OFF” and “hystere- sis” parameters. Setting the PID / ON/OFF parameter In this example, let’s first check that the “PID / ON/OFF” parameter is set to Operation Procedure “onof”...

  • Page 38: Determining Pid Constants (At, St, Manual Setup)

    Section 3-8 Determining PID Constants (AT, ST, manual setup) Determining PID Constants (AT, ST, manual setup) 3-8-1 AT (auto-tuning) • When you execute auto-tuning, the optimum PID constants for the set point during program execution are automatically set by forcibly changing the manipulated variable to calculate the characteristics (called the “limit cycle method”) of the control target.
  • Page 39 Section 3-8 Determining PID Constants (AT, ST, manual setup) Execute auto-tuning (AT). Operation Procedure 1,2,3... 1. Press the key for less than one second to move from the “operation Adjustment Level level” to the “adjustment level”. AT execute/ cancel 2. Press the key to start execution of AT (auto-tuning).

  • Page 40: St (Self-Tuning)

    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 operation of the E5CN. Execute self-tuning (ST). 1,2,3... 1. Press the key for at least three seconds to move from the “operation...

  • Page 41: St Stable Range

    Section 3-8 Determining PID Constants (AT, ST, manual setup) 3-8-4 ST stable range The ST stable range is a condition for determining the conditions under which ST (self-tuning) functions. In this example, let’s set the ST stable range to 20 ° C. Operation Procedure 1,2,3...

  • Page 42: Alarm Outputs

    Alarm Outputs • Alarms can be used on the E5CN-@2@@@ (2-alarm model). • Alarm output conditions are determined by the combination of “alarm type” and “alarm hysteresis.” • The following describes the “alarm type”, “alarm value”, “upper-limit...

  • Page 43: Alarm Type

    Section 3-9 Alarm Outputs 3-9-1 Alarm type Alarm Type Alarm Output Operation Value When alarm value When alarm value X X is positive is negative Alarm function OFF Output OFF Upper- and lower-limit (deviation) Upper-limit (deviation) Lower-limit (deviation) Upper- and lower-limit range (deviation) Upper- and lower-limit alarm with standby...

  • Page 44: Alarm Value

    Section 3-9 Alarm Outputs 3-9-2 Alarm value • Alarm values are indicated by “X” in the table on the previous page. When Lower-limit al 1l alarm value the upper and lower limits are set independently, “H” is displayed for upper limit values, and “L” is displayed for lower limit values. al 2l •...

  • Page 45: Heater Burnout Alarm (Hba)

    CNHB) is mounted on the E5CN. Be sure to connect the CT to the E5CN, and pass the heater lead through the CT hole. • Turn the heater ON at the same time as or before turning the E5CN ON. If the heater is turned ON after turning the E5CN ON, the heater burnout alarm will activate.

  • Page 46: 3-10-3 Setup

    Section 3-10 Heater Burnout Alarm (HBA) 3-10-3 Setup To activate the heater burnout alarm, set the “HBA used” parameter (advanced function setting level) to “ON” and the heater burnout set value in the “heater burnout detection” parameter (adjustment level). In this example, let’s set the “heater burnout detection” parameter to “2.5”. Operation Procedure Moving to the advanced function setting level The default of the “heater burnout”...

  • Page 47: 3-10-4 How To Calculate Detection Current Values

    Set value = = 12.5A (current at normal operation - current at heater ≥ burnout ) = 15−10 = 5A ( 2.5A)) E5CN 14 Symbol Parameter : Level Description Parameters Heater current value monitor: Adjustment level For heater current value monitor...

  • Page 48: 3-11 Requests During Operation

    Section 3-11 Requests during Operation 3-11 Requests during Operation 1,2,3... 1. About four seconds is required for outputs to turn ON when the power is turned ON. Take this into consideration when the temperature controller is incorporated into a sequence circuit. 2.

  • Page 49: Applied Operation

    SECTION 4 Applied Operation Shifting Input Values..........4-1-1 Shifting input .

  • Page 50: Shifting Input Values

    Section 4-1 Shifting Input Values Shifting Input Values 4-1-1 Shifting input • The input shift type matched to the sensor currently selected in the “input type” parameter is displayed. 1-point shift • 2-point shift is applied only for infrared temperature sensors. •...

  • Page 51: How To Calculate Input Shift Values (2-Point Shift)

    How to calculate input shift values (2-point shift) When the infrared temperature sensor model ES1A is connected to the E5CN, an offset of several to several tens of a degree can occur. For this reason, offset the readout value by 1-point or 2-point shift as described in this item.

  • Page 52: 1-Point Shift Method

    Section 4-1 Shifting Input Values 4-1-3 1-point shift method 1,2,3... 1. In the configuration shown in Figure 1, bring the set point to near the value at which the temperature of the control target is to be controlled. Let’s as- sume that the control target temperature (C) and the control target temper- ature (B) are matching.

  • Page 53: Example Of 2-Point Temperature Input Shift

    Section 4-1 Shifting Input Values • Use the following equation to calculate the lower-limit temperature input shift value. YL - Y1 × {(X2 - Y2) - (X1 - Y1)} + (X1 - Y1)...equation 1 insl = Y2 - Y1 • Use the following equation to calculate the upper-limit temperature input shift value.

  • Page 54: Alarm Hysteresis

    Section 4-2 Alarm Hysteresis Alarm Hysteresis • The hysteresis of alarm outputs when alarms are switched ON/OFF can be set as follows: Upper-limit Lower-limit alarm alarm Alarm hysteresis Alarm hysteresis Alarm value Alarm value • Alarm hysteresis is set independently for each alarm in the “alarm hyster- esis 1”...

  • Page 55: Close In Alarm/Open In Alarm

    4-2-3 Close in alarm/open in alarm • When the E5CN is set to “close in alarm,” the status of the alarm output is normally open. When set to “open in alarm,” the status of the alarm output is output inverted or nomally closed.

  • Page 56: Setting Scaling Upper And Lower Limits (Analog Input)

    Section 4-3 Setting Scaling Upper and Lower Limits (analog input) Setting Scaling Upper and Lower Limits (analog input) 4-3-1 Analog input • When an analog input (voltage input) is selected, scaling matched to the Scaling control is possible. upper limit •...

  • Page 57: Executing Heating And Cooling Control

    Dead band The dead band is set with the set point as its center on the E5CN-@2@@. The dead band width is the set value of the “dead band” parameter (adjustment level). Setting a negative value produces an overlap band.

  • Page 58: Setup

    Section 4-4 Executing Heating and Cooling Control Output Output Control output 1 side Control output 1 side P × 1.0 P × 1.0 Control output Control output Control output 2 side P Control output 2 side P 1 side P 1 side P Set point Set point...

  • Page 59: To Use Event Input

    Multi-SP can be used when the option event input unit E53-CNHB is mounted event input on the E5CN and “number of multi-SP uses” is set to “1” or “2”. • When “number of multi-SP uses” is set to “1” Event input 1...

  • Page 60: Setting By Key Operation

    You can select set points 0 to 3 by changing the set value of the “multi-SP” parameter. The “multi-SP” display conditions are as follows: • When the option event input unit E53-CNHB is not mounted in the E5CN, and “multi-SP” is set to “ON”...
  • Page 61 7. To return to the “operation level” press the key for at least one second. Set points 0, 1, 2 and 3 are set according to the ON/OFF states of event inputs 1 and 2. E5CN Advanced function setting level Parameter initialize...

  • Page 62: Executing Run/Stop Control

    Section 4-5 To Use Event Input 4-5-5 Executing run/stop control When “event input assignment 1” or “event input assignment 2” is set to “run/ stop”, control started when event input 1 or 2 becomes “OFF”. Control is stopped when event input 1 or 2 becomes “ON”. However, alarm output will be ON according to alarm setting.

  • Page 63: Setting The Sp Upper And Lower Limit Values

    Section 4-6 Setting the SP Upper and Lower Limit Values Setting the SP Upper and Lower Limit Values 4-6-1 Set point limitter The setting range of the set point is limited by the set point limitter. The set point limitter is used to prevent the control target from reaching abnormal tem- peratures.

  • Page 64: Setup

    Section 4-6 Setting the SP Upper and Lower Limit Values 4-6-2 Setup To set the set point upper and lower limits, set in the “set point upper limit” and “set point lower limit” parameters in the “initial setting level”. This example describes how to set the set point limitter “-200 to 1300 °...

  • Page 65: Executing The Sp Ramp Function (Limiting The Sp Change Rate)

    Section 4-7 Executing the SP Ramp Function (limiting the SP change rate) Executing the SP Ramp Function (limiting the SP change rate) 4-7-1 SP ramp With the SP ramp function, the controller operates according to the value (set point during SP ramp) limited by a change rate. The interval in which the set point during SP ramp is limited is referred to as the “SP ramp”.
  • Page 66 Executing the SP Ramp Function (limiting the SP change rate) Operation at start If the SP ramp function is enabled when the E5CN is turned ON, and when “run” is switched to from “stop,” the process value may reach the set point after SP ramp in the same way as when the set point is changed.

  • Page 67: To Move To The Advanced Function Setting Level

    Section 4-8 To Move to the Advanced Function Setting Level To Move to the Advanced Function Setting Level In the default setting, the advanced function setting level is protected and you cannot move to this setting level. To move to this setting level, you must first cancel the protection applied by the “protect level.”...

  • Page 68: Using The Key Protect Level

    Section 4-9 Using the Key Protect Level Using the Key Protect Level 4-9-1 Key protect • To move to the protect level, press the keys simultaneously for at least three seconds. • The protect level protects parameters that are not changed during control- ler operation until operation is started to prevent them from being modified unintentionally.

  • Page 69: 4-10 To Use Pv Color Change Function

    Section 4-10 To Use PV Color Change Function 4-10 To Use PV Color Change Function 4-10-1 PV color change The PV color change function is used to change the PV (1st display) color. colr PV color There are two colors “red” and “green”, and can be selected from the following change three modes and five functions.

  • Page 70: 4-10-2 Setup

    Section 4-10 To Use PV Color Change Function 4-10-2 Setup • To set PV color change to stable display To display PV color in the green stable display when the PV is within SP ± Operation Procedure 15.0×C to enable to check the control process at a glance, set “PV color change”...

  • Page 71: Parameters

    SECTION 5 Parameters Conventions Used in this Section ........5-1-1 Meanings of icons used in this Section.

  • Page 72: Conventions Used In This Section

    About the Order in Which Parameters Are Described in This Section Parameters are described level by level. The first page of each level lists the parameters available in that level. The parameter names in this list are listed in the order that they are displayed on the E5CN.

  • Page 73: Protect Level

    Section 5-2 Protect Level Protect Level Three levels of protection are provided on the E5CN, “operation/adjustment protection”, “initial setting/communications protection” and “setting change protection.” These protect levels prevent unwanted operation of the keys on the front panel in varying degrees.
  • Page 74 Section 5-2 Protect Level Initial setting/communications protection Move to the “initial setting level,” “communications setting level” and “advanced function setting level” is restricted. Initial Communica- Advanced func- value setting tions setting tion setting level level level : Move to other levels possible ×...

  • Page 75: Operation Level

    Section 5-3 Operation Level Operation Level Display this level when you are to carry out control operations on the Operation level E5CN. You can set alarm values or monitor the manipulated variable in Page this level. Power ON PV/SP Operation...
  • Page 76 Section 5-3 Operation Level The “additional PV display” parame- ter must be set to “ON”. The process value is displayed on the No.1 display, and nothing is displayed (blank) on the No.2 display. Monitor Range Unit Function Process Input range lower limit -10%FS to input range upper limit Value +10%FS Scaling lower limit -10%FS to scaling upper limit +10%FS...
  • Page 77 Section 5-3 Operation Level The “SP ramp set value” parameter sp-m Set point during SP ramp must not be set to “OFF”. This parameter monitors the set point during SP ramp. “Ramp” is a function for restricting the change width of the set point as a change rate.
  • Page 78 Section 5-3 Operation Level The run/stop function must not be set Run/Stop to event input assignments 1 and 2. This parameter specifies run and stop. When “run: run” is selected, control is running. When “stop: stop” is selected, control is stopped. When control is stopped, the STOP display lights. Default is “run”.
  • Page 79 Section 5-3 Operation Level Alarm 1 type must be set to upper al1h Upper-limit alarm value 1 and lower limits, upper and lower limit range, or upper- and lower-limit with standby sequence. al1l Lower-limit alarm value 1 This parameter independently sets the upper- and lower-limit alarm values when the mode for setting the upper and lower limits is selected for alarm 1 type (initial setting level).
  • Page 80 Section 5-3 Operation Level Manipulated variable display must be MV monitor (OUT1) set to “ON”. This parameter is for monitoring the manipulated variable on the control out- put 1 side during operation. • This parameter cannot be set. • During standard control, the manipulated variable is monitored, and dur- ing control output 1 and cooling control, the manipulated variable on the Function heating side is monitored.

  • Page 81: Adjustment Level

    Lower-limit temperature and HBA detection are displayed input shift value 0 . 0 when option unit (E53-CNHB or E53-CNH03) is mounted on the Proportional band E5CN. 8 . 0 • You can change adjustment Integral time level parameters setting Operation/adjustment...
  • Page 82 “PID / ON/OFF” (initial setting level) The communication unit (E53- cmwt Communications writing CNH03) must be mounted on the E5CN. This parameter enables/disables writing of parameters to the E5CN from the host (personal computer) by communications. Function Writing enabled OFF: Writing disabled...
  • Page 83 Section 5-4 Adjustment Level The “HBA used” parameter must be Heater current value monitor set to “ON”. This parameter measures the current value of the heater from current trans- former (CT) input to detect heater burnout. This parameter measures and displays the current value of the heater. Function Unit Setting Range...
  • Page 84 Section 5-4 Adjustment Level The “number of multi-SP uses” sp-0 Set point 0 parameter must be set to either “1” or “2”, and the “multi-SP uses” parame- ter must be set to “ON”. sp-1 Set point 1 sp-2 Set point 2 sp-3 Set point 3 These parameters set the set points when the multi-SP function is used.
  • Page 85 Section 5-4 Adjustment Level The “input type” parameter must be Temperature input shift set to temperature input excluding an infrared temperature sensor. Sometimes an error between the set point and the actual temperature occurs. To offset this, a value obtained by adding an input shift value to the input is displayed as the measurement value and used for control.

  • Page 86: Proportional Band

    Section 5-4 Adjustment Level The control must be 2-PID control. Proportional band Integral time Derivative time This parameter sets the PID parameters. Note that PID is automatically set when AT and ST are executed. Proportional action :P refers to control in which the MV is proportional to the deviation (control error).
  • Page 87 Section 5-4 Adjustment Level The control must be either heating Cooling coefficient and cooling control and 2-PID con- trol. If the heating and cooling characteristics of the control target greatly differ, preventing satisfactory control characteristics from being obtained by the same PID parameters, adjust the proportional band (P) at the control output 2 side by adding the cooling coefficient to balance control between the control output 1 and control output 2 sides.
  • Page 88 Section 5-4 Adjustment Level The control must be standard control Manual reset value and 2-PID control. The “integral time” parameter must be set to “0”. • This parameter sets the required manipulated variable to remove offset during stabilization of P or PD control. Function Unit Default...

  • Page 89: Initial Setting Level

    Initial Setting Level Initial Setting Level This level is for setting up the basic specifications of the E5CN. In this level, you can set the “input type” parameter for selecting the sensor input to be connected to the E5CN, limit the setting range of set points or set the alarm mode.
  • Page 90 Section 5-5 Initial Setting Level Input type • This parameter sets the sensor type by a corresponding code. • When this parameter is changed, the set point upper limit is changed to the default. If the set point limits must be changed, set the “set point upper Function limit”...
  • Page 91 Section 5-5 Initial Setting Level The input type must be set to analog Scaling upper limit input. Scaling lower limit Decimal point • These parameters can be used when voltage input is selected as the input type. • When voltage input is selected as the input type, scaling is carried out. Function Set the upper limit in the “scaling upper limit”...
  • Page 92 Section 5-5 Initial Setting Level The input type must be set to tem- °C/°F selection perature input. • Set the temperature input unit to either of “ ° C” or “ ° F”. Function Default Setting Range /: °C/2: °F Setting Related parameters “Input type”...
  • Page 93 Setting Related parameters “AT execute/cancel” “Manual reset” “Hysteresis (OUT1)” “Hysteresis (OUT2)” (adjustment level) “ST stable range” (advanced function setting level) The E5CN must support alarm 2 out- Standard/heating and s-hc put. cooling • This parameter selects standard control or heating and cooling control.
  • Page 94 PID constants matched to the control target. 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 Function starting operation of the E5CN. Parameter Setting Range Unit Default ;22: ST function OFF /;:: ST function ON None...
  • Page 95 Section 5-5 Initial Setting Level Direct/reverse operation • “Direct operation” refers to control where the manipulated variable is increased according to the increase in the process value. Alternatively, “reverse operation” refers to control where the manipulated variable is increased according to the decrease in the process value. Function Default Setting Range...

  • Page 96: Alarm 2 Type

    Section 5-5 Initial Setting Level The alarm 2 type must be supported. Alarm 2 type The control must be set to standard control. • Select one of the following alarm 2 types: Deviation/Deviation range/Absolute value Function Alarm Type Alarm Output Operation Value When X is positive When X is negative...
  • Page 97 Section 5-5 Initial Setting Level (2) When both or one of set values ”L” and ”H” are set to a minus value, the alarm output function can be set as follows: • Alarm types are set independently for each alarm in the “alarm 1 type” and “alarm 2 type”...

  • Page 98: Advanced Function Setting Level

    Section 5-6 Advanced Function Setting Level Advanced Function Setting Level This level is for using the E5CN to its maximum. To move to this level, enter the password (“-169”) in the “initial setting level”. Power ON Operation Adjustment level level...

  • Page 99: Parameter Initialize

    The setting on the other side becomes “NONE”. Multi-SP can be used when the option event input unit E53-CNHB is mounted on the E5CN, and the “number of multi-SP uses” is set to “1” or “2”. • When the number of multi-SP uses is set to “1”...
  • Page 100 Note Event input can be used when the option event input unit E53- CNHB is mounted in the E5CN. Select event input ON/OFF while the E5CN is turned ON. Judgment of event input ON/OFF is carried out on event inputs of 50 ms or more.
  • Page 101 Section 5-6 Advanced Function Setting Level The “number of multi-SP uses” mspu parameter must be set to “0” on mod- Multi-SP uses els on which the option event input unit E53-CNHB is not mounted. When the “multi-SP uses” parameter is set to “ON”, you can select set points 0 to 3 by operating the keys on the front panel of the controller.
  • Page 102 Section 5-6 Advanced Function Setting Level The alarm 1/2 type must be set to Standby sequence reset method “with standby sequence.” • This parameter selects the conditions for enabling reset after the standby sequence of the alarm has been canceled. •...
  • Page 103 • This parameter sets the output states of alarm 1. • When the E5CN is set to “close in alarm,” the status of the alarm output function is normally open. When set to “open in alarm,” the status of the Function alarm output is output inverted normally, or closed.
  • Page 104 Section 5-6 Advanced Function Setting Level Related parameters “Alarm value 2” “Upper-limit alarm value 2” “Lower-limit alarm value 2” (opera- tion level) “Alarm 2 type” (initial setting level) “Alarm 2 hysteresis” “Standby sequence reset method”, “Alarm 2 latch” (advanced function setting level) Alarm 1 function must be supported.
  • Page 105 Advanced Function Setting Level The option event input unit E53- CNHB or the communication unit HBA used E53-CNH03 must be mounted in the E5CN. • This parameter sets use of the heater burnout alarm. Function Default Setting Range ;:: Enabled / ;22: Disabled Setting The “HBA used”...
  • Page 106 Section 5-6 Advanced Function Setting Level The control must be set to tempera- ST stable range ture input, standard control, PID con- trol, and ST set to “ON”. • This parameter sets the set value for determining the conditions under which ST (self-tuning) occurs.
  • Page 107 • 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 E5CN exceeds the upper or lower limit value, the upper or lower limit set becomes the output level.
  • Page 108 Section 5-6 Advanced Function Setting Level Input digital filter • Sets the time constant of the input digital filter. The following figure shows the effect on data after passing through the digital filter: Function PV before passing through filter PV after passing through filter 0.63A Time Time...
  • Page 109 Section 5-6 Advanced Function Setting Level o-dp Manipulated variable display This parameter displays the manipulated variable. The manipulated variable is displayed when the “manipulated variable monitor (OUT1) and (OUT2)” parameters are set to “ON”, and not displayed when Function these parameters are set to “OFF”. Default Setting Range ;:: Displayed / ;22: Not displayed...
  • Page 110 Section 5-6 Advanced Function Setting Level The alarm 1 function must be ON. a1lt Alarm 1 latch The alarm 2 function must be ON. a2lt Alarm 2 latch • When this setting is set to “ON”, the alarm function is held until the power is turned OFF once the alarm function has turned ON.
  • Page 111 Section 5-6 Advanced Function Setting Level The alarm 1 type must be supported. sero Input error output • When this setting is set to “ON”, alarm 1 output becomes ON at an input error. Note, however, that the alarm 1 operation display does not light. •...
  • Page 112 Section 5-6 Advanced Function Setting Level Communications function must be MB command logic rlrV supported. switching • Switches the logic of MB command (communications writing switching) in the Sysway communications procedures. • The MB command (communications writing switching) is equivalent to the Function MB command (remote/local switching) on the E5@J.
  • Page 113 Section 5-6 Advanced Function Setting Level PV color change colr function Use the PV color change function to change the PV (1st display) color. There are “red color” and “green color”, and can be selected from the following three modes and five functions. Function •...
  • Page 114 Section 5-6 Advanced Function Setting Level pV-b PV stable band This parameter sets the PV stable band width when the PV display color is changed according to the PV stable band. • When the mode linking to the PV stable band is selected, the PV display Function color will change according to whether the present value (PV) is lower/ within/higher than the PV stable band shown in the following figure.

  • Page 115: Communication Setting Level

    Communications parity • Each parameter is enabled when the power is reset. • Match the communications specifications of the E5CN and the host com- puter. If a 1 : N connection is being used, ensure that the communications Function specifications for all devices in the system (except “Communications unit...

  • Page 116: Calibration

    SECTION 6 Calibration Parameter Structure..........User Calibration .

  • Page 117: Parameter Structure

    These parameters are automatically moved to according to the event input. Once the user has calibrated the E5CN, a dot will be displayed when the cali- bration level is moved to, to indicate that the E5CN has already been cali- brated by the user.

  • Page 118: User Calibration

    User Calibration User Calibration The E5CN is correctly calibrated before it is shipped from the factory, and nor- mally need not be calibrated by the user. If, however, it must be calibrated by the user, use the parameters for calibrat- ing temperature input and analog input.

  • Page 119: Calibrating Thermocouples

    (input types 0, 2, 5, 6, 8) and thermocouple 2 group (input types 1, 3, 4, 7, 9, 10, 11, 12, 13, 14, 15). • When calibrating, do not cover the bottom of the E5CN. Also, do not touch the input terminals (Nos. 4 and 5) or compensating conductor on the E5CN.

  • Page 120: Calibrating Thermocouples

    Section 6-3 Calibrating Thermocouples This example describes how to calibrate the E5CN when thermocouple input is currently selected on an E5CN supporting thermocouple input. 1,2,3... 1. Connect the power supply. 2. Connect a standard DC current/voltage source (STV), precision digital multimeter (DMM) and contact junction compensator (e.g.
  • Page 121 Section 6-3 Calibrating Thermocouples 6. Press the key to set the E5CN to the state on the left. Set STV to “-9mV”. Allow the count value on the No.2 display to fully stabilize, then press the key to temporarily register the calibration setup.
  • Page 122 “0” is not displayed. 5. Press the key to set the E5CN to the state on the left. The No.2 display at this time displays the currently entered count value en- tered in Hexadecimal.

  • Page 123: Calibrating Analog Input

    Section 6-5 Calibrating Platinum Resistance Thermometers Calibrating Platinum Resistance Thermometers This example describes how to calibrate the E5CN when it is connected to a Input power supply platinum resistance thermometer. E5CN When calibrating a platinum resistance thermometer use wires of the same thickness as those used to connect the E5CN.

  • Page 124: Calibrating Platinum Resistance Thermometers

    The following figure shows the required device connection. Make sure that the E5CN and cold junction compensator are connected by a com- pensating conductor for the thermocouple that is to be used during actual operation. For the infrared temperature sensor, connect a K thermocou- ple, and set the input type to the K thermocouple.

  • Page 125: Checking Indication Accuracy

    Supply voltage 100 to 240 VAC, 50/60 Hz 24 VAC, 50/60 Hz/24 VDC Operating voltage range 85 to 110% of rated supply voltage Power E5CN 4VA/3W consumption Sensor input Thermocouple: K, J, T, E, L, U, N, R, S, B...
  • Page 126 Appendix A Characteristics Indication accuracy Thermocouple: (±0.5% of indication value or ±1°C, whichever is greater) ±1 digit max. (See note.) Platinum resistance thermometer: (±0.5% of indication value or ±1°C, whichever is greater) ±1 digit max. Analog input: ±5%FS±1 digit max. CT input: ±5%FS±1 digit max.

  • Page 127: Appendices

    Dielectric strength 1000 VAC (1 minute) Vibration resistance 50 Hz 98m/s {10G} Weight Approx. 11.5 g Approx. 50 g Accessory None Armature (2) Plug (2) Note The maximum continuous current of the E5CN is 50 A. External dimensions E54-CT1 φ2.36 E54-CT3...

  • Page 128: Error Display

    Action First, turn the power OFF then back ON again. If the display remains the same, the E5CN must be repaired. If the display is restored, then a probable cause could be electrical noise affecting the control system. Check for electrical noise.
  • Page 129 Action First, turn the power OFF then back ON again. If the display remains the same, the E5CN must be repaired. If the display is restored, then a probable cause can be electrical noise affecting the control system. Check for electrical noise.
  • Page 130 Appendix A Parameter Operation List Operation level Parameter Name Symbol Setting (monitor) Value Display Default Unit Value Sensor input indication range PV/SP SP lower limit to SP upper limit 9?< Multi-SP 0 to 3 None ?<9 Set point during SP ramp SP lower limit to SP upper limit Heater current value monitor 0.0 to 55.0...
  • Page 131 Appendix A Initial Setting Level Parameter Name Symbol Setting (monitor) Value Display Default Unit Value 5:@ Input type Platinum 0 : Pt100 None resis- 1 : Pt100 tance 2 : Pt100 thermom- 3 : JPt100 eter 4 : JPt100 Thermo- 0 : K None couple...
  • Page 132 Appendix A Parameter Name Symbol Setting (monitor) Value Display Default Unit Value -8@ Alarm 1 type Alarm function OFF None Upper- and lower-limit alarm Upper-limit alarm Lower-limit alarm Upper- and lower-limit range Upper- and lower-limit alarm with standby sequence Upper-limit alarm with standby sequence Lower-limit alarm with standby sequence...
  • Page 133 Appendix A Advanced function setting level Parameter Name Symbol Setting (monitor) Value Display Default Unit Value 5:5@ ;:, ;22 Parameter initialize ON, OFF None 1B9 Number of multi-SP uses 0 to 2 None 1B :;:1, ?@;< Event input assignment 1 None, run/stop None None...
  • Page 134 Appendix A Protect level Parameter Name Symbol Setting (monitor) Value Display Default Unit Value ;-<@ Operation/adjustment protec- 0 to 3 None tion 5/<@ Initial setting/ 0 to 2 None communications protection C@<@ ;:, ;22 Setup change protection ON, OFF None Communications setting level Parameter Name Symbol...

  • Page 135: Sensor Input Setting Ranges

    Appendix A Sensor Input Setting Ranges Input type Specifications Set Value Input Temperature Range Platinum Platinum resistance Pt100 -200 to 850 (°C)/ -300 to 1500 (°F) resistance thermometer -199.9 to 500.0 (°C)/ -199.9 to 900.0 (°F) thermometer 0.0 to 100.0 (°C)/ 0.0 to 210.0 (°F) input type JPt100 -199.9 to 500.0 (°C)/ -199.9 to 900.0 (°F)

  • Page 136: Setup Levels Diagram

    Appendix A Setup Levels Diagram The following diagram shows an overview of the setup levels on the E5CN. To move to the advanced function setting level and calibration level, you must enter passwords. Some parameters are not displayed depending on the protect level setting and the conditions of use.

  • Page 137: Parameter Flow

    Appendix A Parameter Flow • If you press the mode key at the last parameter in each level, you return to the top parameter in that level. key 1 second min. key 1 second min. Advanced function setting level Initial setting level key 3 second min.
  • Page 138 Appendix A Power ON key Less than 1 second Operation level Adjustment level key Less than 1 second Add in the additional PV AT execute/cancel display" parameter. Auto-tuning PV/SP Communications writing Enable or disable writing by communications. Multi-SP Heater current value monitor Select SP.

  • Page 139: Index

    Index Symbols [down] key Fixing settings [level] + [mode] key combination [mode] key Numerics Heater burnout detection 1-point shift method Hysteresis 2-PID control 3-position control I/O configuration Initial setting level Adjustment level Initial/communications protection Advanced function setting level Input sensor types Alarm 1 type Input type Alarm 2 type...
  • Page 140 Index Scaling lower limit Scaling upper limit Selecting parameters Set point Standby sequence Temperature input Temperature unit...

  • Page 141: 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. H100-E1-04A Revision code The following table outlines the changes made to the manual during each revision. Page numbers refer to the previous version.
  • Page 142 Revision History Revision code Date Revised content Feburary 2002 Page 2-2:Changed the diagram in “Dimensions”. Page 2-3:Changed “Setting up the option units”. Page 2-3:Changed the table “Option units”. Page 2-6:Changed “Alarm output/Control output 2”. Page 4-2:Modified the diagram in “Operation Procedure”. Page 4-14:Modified “Executing run/stop control”.

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