Omron EJ1 User Manual
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Omron EJ1 User Manual

Modular temperature controller
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Cat. No. H142-E1-01
Note: Specifications subject to change without notice.
OMRON Corporation
Industrial Automation Company
Control Devices Division H.Q.
Analog Controller Division
Shiokoji Horikawa, Shimogyo-ku,
Kyoto, 600-8530 Japan
Tel: (81)75-344-7080/Fax: (81)75-344-7189
Regional Headquarters
OMRON EUROPE B.V.
Wegalaan 67-69, NL-2132 JD Hoofddorp
The Netherlands
Tel: (31)2356-81-300/Fax: (31)2356-81-388
OMRON ELECTRONICS LLC
1 East Commerce Drive, Schaumburg, IL 60173
U.S.A.
Tel: (1)847-843-7900/Fax: (1)847-843-8568
OMRON ASIA PACIFIC PTE. LTD.
83 Clemenceau Avenue,
#11-01, UE Square,
239920 Singapore
Tel: (65)6835-3011/Fax: (65)6835-2711
OMRON (CHINA) CO., LTD.
Room 2211, Bank of China Tower,
200 Yin Cheng Road (M),
Shanghai, 200120 China
Tel: (86)21-5037-2222/Fax: (86)21-5037-2200
Authorized Distributor:
Printed in Japan
0206-0.5M (0206) (B)
EJ1
Modular Temperature
Controller
Cat. No. H142-E1-01
User's Manual

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  • Page 1 The Netherlands Tel: (31)2356-81-300/Fax: (31)2356-81-388 OMRON ELECTRONICS LLC 1 East Commerce Drive, Schaumburg, IL 60173 U.S.A. Tel: (1)847-843-7900/Fax: (1)847-843-8568 OMRON ASIA PACIFIC PTE. LTD. 83 Clemenceau Avenue, #11-01, UE Square, 239920 Singapore Tel: (65)6835-3011/Fax: (65)6835-2711 OMRON (CHINA) CO., LTD. Room 2211, Bank of China Tower,...
  • Page 2 Modular Temperature Controllers User’s Manual Produced February 2006...
  • Page 4 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 5 WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS...
  • Page 6 Performance data given in this manual is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.
  • Page 7 Safety Precautions Definition of Precautionary Information The following notation is used in this manual to provide precautions required to ensure safe usage of the product. The safety precautions that are provided are extremely important to safety. Always read and heed the information provided in all safety precautions. The following notation is used.
  • Page 8 Use a power supply that complies with the reinforced insulation specified in IEC 60664 for the EJ1 external power supply or the power supply connected to the EJ1. If non-compliant power supplies are used, electric shock may occasionally result in minor injury.
  • Page 9 Precautions for Safe Use Be sure to observe the following precautions to prevent operation failure, malfunction, or adverse affects on the performance and functions of the product. Not doing so may occasionally result in unexpected events. The product is designed for indoor use only. Do not use the product outdoors or in any of the following locations.
  • Page 10 15) Use a switch, relay, or other device with contacts to turn OFF the power supply quickly. Gradually lowering the voltage of the power supply may result in incorrect outputs or memory errors. 16) Do not touch the electronic components with your hands or subject them to shock when removing the terminal block.
  • Page 11 Always connect an End Unit to the right side of the Basic Units. Always connect the HFU to the left side of the Basic Units. The EJ1 cannot be used linked to a CJ-series PLC. Use the EJ1G-@@ for gradient temperature control. Use the EJ1N-@@ for any other type of temperature control.
  • Page 12 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 product Product appearance After purchase, check that the product and packaging are not dented or otherwise damaged.
  • Page 13 Related Manuals The manuals related to the EJ1 are configured as shown in the following tables. Refer to these manu- als as required. Name Cat. No. Contents H142 Describes the following information on the EJ1. • Overview and features EJ1N-TC2A-QNHB...
  • Page 14 Programmable Terminal (PT) Manuals Name Cat. No. Contents NS-Series V083 Provides an outline of, and describes the design, NS5-SQ0@(B)-V1/V2, NS5-TQ0@(B)-V2, installation, maintenance, and other basic opera- NS5-MQ0@(B)-V2, NS8-TV@@(B)-V1/V2, tions for the NS-series PTs. Information is also NS10-TV0@(B)-V1/V2, NS12-TS0@(B)-V1/V2 included on connecting to hosts and peripheral Programmable Terminals Setup Manual devices, and settings required for communications and PT operation.
  • Page 15 Support Software Manuals Name Cat. No. Contents CX-One W444 Describes installation and provides an overview of CXONE-AL@@C-E (PDF the CX-One FA Integrated Tool Package. Setup Manual only) CX-Integrator W445 Describes CX-Integrator operating methods, e.g., CXONE-AL@@C-E for setting up and monitoring networks. Operation Manual CX-Programmer Ver.
  • Page 16 Conventions Used in This Manual Meanings of Abbreviations The following abbreviations are used in parameter names, figures and in text explanations. These abbreviations mean the following: Symbol Term TC4/TC2 Four-channel and Two-channel Basic Units Channel Advanced Unit End Unit Process value Set point Remote SP Local SP...
  • Page 17 xviii...

  • Page 18: Table Of Contents

    TABLE OF CONTENTS SECTION 1 Outline ......... . . Names of Parts .
  • Page 19 TABLE OF CONTENTS SECTION 7 Errors and Error Processing ......163 Things to Check First ............Determining Errors from Indicators .
  • Page 20 Section 2 Preparations describes the preparations required to use the EJ1, including installation, wir- ing, and switch settings. • Application Examples Section 3 Typical Control Examples describes the basic applications of the EJ1 using specific con- trol examples. • Functions of EJ1 Basic Units (TC4/TC2) Section 4 Basic Units (TC4/TC2) describes the functions of EJ1 Basic Units.
  • Page 21 xxii...

  • Page 22: Outline

    Outline This section describes the features, nomenclature, and functions of the EJ1. Names of Parts ..........

  • Page 23: Names Of Parts

    Names of Parts Section 1-1 Names of Parts 1-1-1 Appearance Slider Front panel Terminal block TC4, TC2, or HFU TC4, TC2, or HFU Screw-Less Clamp Terminals Screw Terminals 1-1-2 Names of Parts on Front Panel Operation Indicators Port A connector Operation Indicators COM1 COM2...

  • Page 24: Using Setting Switches

    1-1-4 Using Setting Switches • Check that the EJ1 is turned OFF before operating the switches. The set- tings are enabled when the power is turned ON. • Set the switches with a small flat-blade screwdriver. Do not set the switches midway between settings.
  • Page 25 Names of Parts Section 1-1 Setting Switch 2 (SW2) Settings EJ1@-TC Basic Units Meaning 3 to 6 Not used (OFF) ON: G3ZA Multi-channel Power Controller in operation Use when an HFU is used and Units are distributed. (See note.) Note To use an HFU with distributed positioning, turn ON pin number 8 on SW2 on the TC Unit connected at the left end of the Block.

  • Page 26: I/O Configuration And Main Functions

    Section 1-2 I/O Configuration and Main Functions I/O Configuration and Main Functions 1-2-1 I/O Configuration TC4: Four-channel Basic Unit Main input 1 Control output 1 Control section Main input 2 Control output 2 Main input 3 Control output 3 Main input 4 Control output 4 G3ZA communications Port A communications...

  • Page 27: Main Unit Functions

    • Data can be exchanged between the EJ1 and PLCs using programless communications. • Up to 300 data items can be read from a PLC to the EJ1 and up to 300 data items can be written from the EJ1 to a PLC.

  • Page 28: Model Number Legend

    Conversion Cable to make EJ1 settings using the EST2-2C-MV3 CX- Thermo Support Software. • The terminal block communications port can be used to wire between more than one EJ1 for distributed positioning of the EJ1. Up to 64 HFUs and Basic Units can be connected this way. 1-2-3...
  • Page 29 Section 1-2 I/O Configuration and Main Functions Communications CompoWay/F Outputs 2 transistor outputs Terminal type Screw terminals Unit name End Unit Type Common model 9 10 11 12 13 14 E D U A N F L K...

  • Page 30: Internal Block Diagrams

    Section 1-3 Internal Block Diagrams Internal Block Diagrams Switch Indicators EEPROM inputs Waveform Temperature/an- Drive Pulse voltage Main input 1 shaping Control output 1 alog input circuit circuit outputs circuit Waveform Drive Temperature/an- Pulse voltage Main input 2 Control output 2 shaping circuit alog input circuit...
  • Page 31 Section 1-3 Internal Block Diagrams Switch Indicators EEPROM inputs Waveform Transistor Event input Drive shaping Auxiliary output 1 Event input 1 outputs circuit circuit circuit Waveform Drive Transistor Event input Auxiliary output 2 Event input 2 shaping circuit outputs circuit circuit Waveform Event input...

  • Page 32: Preparations

    Preparations This section describes the preparations required to use the EJ1, including installation, wiring, and switch settings. Installation........... .

  • Page 33: Installation

    Installation Section 2-1 Installation 2-1-1 Dimensions (Unit: mm) TC4, TC2, and HFU Models with Screw Terminals: 109 Models with Screw-less Clamp Terminals: 104.85 Models with Screw Models with Screw-less Terminals Clamp Terminals 15.7 76.2...
  • Page 34 1. Align the connectors and connect the Units to each other. Note Connect the EDU on the right end of the EJ1 and the HFU on the left end. 2. Slide the yellow sliders on the top and bottom of the Units until they click into place.
  • Page 35 Installation Section 2-1 Mounting to DIN Rail • Mount the EJ1 to DIN Rail. • Use screws to secure the DIN Rail in at least 3 locations. DIN Rail: PFP-50N (50 cm) or PFP-100N (100 cm) • Install the DIN Rail vertically to the ground.
  • Page 36 Section 2-1 Installation End Plate Installation Always mount an End Plate on each side of the EJ1. PFP-M End Plates (2) PFP-M Removing Terminal Blocks 1,2,3... 1. Pull down the terminal block lever. Pull down the lever. 2. Pull off the terminal block.

  • Page 37: Wiring Terminals

    • Terminals A10 and B10 are not used on models with screw-less clamp terminals. Do not connect anything to these terminals. • A G3ZA connector is located on the bottom of the Unit. • When wiring voltage inputs, be sure to wire the correct terminals. Incorrect wiring may cause the EJ1 to fail.
  • Page 38 Do not connect anything to these terminals. • A G3ZA connector is located on the bottom of the Unit. • When wiring voltage inputs, be sure to wire the correct terminals. Incorrect wiring may cause the EJ1 to fail. SUB4 SUB3 −...
  • Page 39 24 VDC − Input power supply 2-2-2 Wiring Precautions • Separate input leads and power lines to protect the EJ1 from external noise. • Use AWG22 (cross-sectional area: 0.326 mm ) to AWG14 (cross-sec- tional area: 2.081 mm ) twisted-pair cable for power supply and AWG28 (cross-sectional area: 0.081 mm...
  • Page 40 Note Select a power supply that suits the operating environment. • To comply with the standards for noise terminal voltage for class A in EN 61326, install a noise filter (Densei Lambda MXB-1206-33 or the equiva- lent) to the DC line as close as possible to the EJ1.
  • Page 41 Section 2-2 Wiring Terminals Inputs Connect inputs according to the input type as shown below. − − − − − − − − Thermocouple inputs Platinum resistance Analog inputs Infrared thermosensor thermometer inputs Control Outputs Terminals B1 to B3 and A1 to A3 on the TC4/TC2 are for control outputs. OUT2 12 VDC 12 VDC...
  • Page 42 Wiring Terminals Section 2-2 Auxiliary Outputs Auxiliary outputs are sent from pins B1 to B6 with the HFU, and from pins 3 to 5 with the EDU. SUB4 SUB3 SU B2 SUB1 SUB2 SUB1 Output type Specifications Transistor Max. operating voltage: 30 VDC outputs Max.
  • Page 43 Wiring Terminals Section 2-2 Event Inputs Connect event inputs across terminals A4 and A6 for the TC2 and terminals A1 and A6 for the HFU. − − Contact inputs Non-contact inputs • The inflow current is approximately 4 mA. • Use event inputs under the following conditions: Contact inputs ON: 1 kΩ...
  • Page 44 Section 2-2 Wiring Terminals • Specify both ends of the transmission path, including the host computer, as end nodes (i.e., connect terminators to both end). The minimum termi- nating resistance is 54 Ω . Connection Example Host Shield − B (+) RS-485 A (−) Terminator...
  • Page 45 EJ1-CBLA050 (order separately) (cable CN1 connector on the length: 5 m) bottom of the TC Unit. Use a JST Mfg. Co. Ltd. PA connector. Housings Model: PAP-02V-S B (+) Crimp Terminals A (−) Model: SPHD-001T-P0.5 Use an EJ1-CBLA050 Cable (manufactured by OMRON). TC4/2...

  • Page 46: Using Tool Ports

    1,2,3... 1. Turn ON the power to the EJ1. Note Do not connect the E58-CIFQ1 when power to the EJ1 is OFF. If the Cable is connected when the power to the EJ1 is OFF, power will be supplied from the computer and impose a load on the inter- nal circuits of the EJ1.

  • Page 47: Unit Configuration Examples

    Unit Configuration Examples Minimal Configuration • The two auxiliary alarm outputs (transistor outputs) provided on the End Unit can be used. • The G3ZA can be connected. EJ1@-TC4 EJ1@-EDU EJ1@-TC2 Port A (connector): USB connection can be made using the E58-CIFQ1 (sold separately).
  • Page 48 • In addition to the two auxiliary alarm outputs provided on the End Unit, the four event inputs and four transistor outputs on the HFU can be used. • G3ZA outputs can be used. • Distributed placement is possible by using multiple End Units. EJ1@-TC4 EJ1@-HFU EJ1@-EDU EJ1@-TC2...
  • Page 49 Connection Precautions Restrictions on the Number of Units that Can Be Connected • Unit numbers 0 to 63 can be used for EJ1-HFU and EJ1-TC4/TC2 Units. • Up to 16 Units, including the HFU, can be connected side by side.
  • Page 50 • If port A on the terminal blocks is connected for distributed position, then the port A connector can be connected to a computer using an E58- CIFQ1 USB-Serial Conversion Cable to use the CX-Thermo (EST2-2C- MV3) to set the parameters for the distributed EJ1. EJ1@-TC4 or EJ1@-TC2 EJ1@-EDU...
  • Page 51 Unit Configuration Examples Note Wire the connections indicated with dotted lines when settings for all EJ1 Controllers are being made from one port A connector. If the connections indi- cated with dotted lines are not wired, the settings for group A can be made only using the port A connector for group A and the settings for group B can be made only using the port A connector for group B.
  • Page 52 Restrictions on • Always connect the HFU on the left side of the TC4/TC2 Units. Connections and Incorrect Correct Placement EJ1@-TC4 EJ1@-HFU EJ1@-TC4 EJ1@-HFU EJ1@-TC2 EJ1@-TC2 • Do not connect an EDU directly to an HFU. Always connect the EDU to a TC4/TC2.
  • Page 53 Section 2-4 Unit Configuration Examples...

  • Page 54: Typical Control Examples

    Typical Control Examples This section describes the basic applications of the EJ1 using specific control examples. Minimum Configuration for Control .......

  • Page 55: Minimum Configuration For Control

    EST2-2C-MV3 CX- Thermo Support Software. Small electric oven Temperature Sensor Heater G3NA Solid State Relay Computer Port A connector E58-CIFQ1 • The EST2-2C-MV3 CX-Thermo Support Software can be used to set EJ1 parameters from the personal computer.

  • Page 56: Wiring

    EJ1. 2. Connect the computer's USB port to the port A connector on the EJ1 using the Cable. Note A driver must be installed to use the Cable.
  • Page 57 Section 3-1 Minimum Configuration for Control 4. The following table shows the related parameter settings for this example. CX-Thermo Beginner Mode Setting Example Setting example Remarks EJ1N-TC2A-QNHB 0 Control in progress parameters Bank 0 150 ° C Bank 0 Set Point - CH1 8.0 °...

  • Page 58: Adjustment

    Adjustment Execute autotuning (AT) to make the PID adjustments. Refer to 4-3-8 Tuning. When the CX-Thermo Support Software is being used, both EJ1 control and autotuning can be started/stopped using operation commands. Special Remarks The CX-Thermo Support Software starts in Beginner Mode by default. When...

  • Page 59: Multi-Channel Control

    • A single Temperature Controller can handle the 4-zone control if a 4- channel Basic Unit (EJ1@-TC4) is used. Up to 16 Basic Units can be con- nected to one EJ1C-EDU End Unit to expand to a maximum of 64 chan- nels.

  • Page 60: Wiring

    Connect the Temperature Sensor to the input terminals according to the sen- sor's input type. Connect the Solid State Relays for zones 1, 2, 3, and 4 to output terminals OUT1, OUT2, OUT3, and OUT4, respectively. When an EJ1@-TC4 is used, wire the circuits as shown below. EJ1@-TC4 OUT2 OUT4...

  • Page 61: Adjustment

    Section 3-2 Multi-channel Control Related parameters Description CH3 - Set Point (Variable type D4, Address 0300) 1150: 115. 0°C CH4 - Set Point (Variable type D4, Address 0400) 1150: 115. 0°C CH1 - Control Period 1 (Variable type E1, Address 0101) 0000: 0.5 s CH2 - Control Period 2 (Variable type E1, Address 0201) 0000: 0.5 s...

  • Page 62: Control Linked To A Host Device

    G3NA Solid State Relays • If an EJ1@-HFU is used, a ladder program does not have to be created to exchange data such as temperature readings and alarm status with the PLC. Also, up to 15 Basic Units can be connected to a single HFU to expand...

  • Page 63: Wiring

    • Connect the Solid State Relays to the output terminals. • Connect the PLC with an RS-232C communications cable. Wire the circuits as shown below when using an EJ1@-HFU and three EJ1@- TC4 Units. (The following diagram shows the wiring for just one of the EJ1@-TC4 Units.)

  • Page 64: Setup

    Cable to set the parameters from a personal computer. • The following table shows the parameters related to communications between the EJ1 and PLC, as well as example settings. Set the unit num- ber of the HFU to 0. Parameter...

  • Page 65: Adjustment

    Control Linked to a Host Device Section 3-3 Note (1) Displayed when the CX-Thermo's View Mode is set to Expert Mode. (2) The parameters for programless settings 20 and higher can be displayed by switching the View Mode to Expert Mode. Note •...

  • Page 66: Controlling G3Za Controllers Connected To Output Devices

    In this example configuration, G3ZA Multi-channel Power Controllers are used to control the temperature in a 4-zone heater plate with a single control loop by applying a fixed coefficient (slope) to the results of the EJ1's PID calcula- tions. Programmable Terminal...
  • Page 67 Section 3-4 Controlling G3ZA Controllers Connected to Output Devices Using the G3ZA's MV Calculations for Slope (Gradient) Control G3ZA Multi-channel Power Controller Unit MV 11 No.1 MV 12 Channel 1 RS-485 sensor input MV 13 MV 14 RS-485 Unit MV 21 Channel 2 No.2 sensor input...

  • Page 68: Wiring

    • Connect the EJ1 and G3ZA with the EJ1C-CBLA050 Cable. • Connect the Solid State Relays to the G3ZA's output terminals. When using an EJ1@-TC4 and G3ZA-4H203-FLK, wire the circuits as shown in the following diagram. G3ZA-4H203-FLK...

  • Page 69: Setup

    Section 3-4 Controlling G3ZA Controllers Connected to Output Devices 3-4-3 Setup The settings are made through communications. The EST2-2C-MV3 CX- Thermo Support Software can be connected using an E58-CIFQ1 Connecting Cable to set the parameters from a personal computer. The following table shows the parameters related to the G3ZA that can be set from the Temperature Controller, as well as example settings.

  • Page 70: Basic Units (Tc4 And Tc2) Functions

    Basic Units (TC4 and TC2) Functions This section describes the functions of EJ1 Basic Units. Setting Input Specifications ........
  • Page 71 Other Functions (TC4 and TC2) ........4-7-1 Bank Function .

  • Page 72: Setting Input Specifications

    Section 4-1 Setting Input Specifications Setting Input Specifications 4-1-1 Input Type Set the input type to match the type of sensor being used. Variable type Parameter name Setting range Default E0/A0 Input Type (Channel) 0 to 29 Conditions for use No special conditions Note This parameter can be set only when operation is stopped.

  • Page 73: Temperature Inputs

    Section 4-1 Setting Input Specifications 4-1-2 Temperature Inputs Temperature Unit Either °C or °F can be selected. Variable type Parameter name Setting range Default E0/A0 Temperature unit (Channel) 0: °C/1: °F Conditions for use The input type must be set to temperature input. Note This parameter can be set only when operation is stopped.

  • Page 74: Input Shift (Correction)

    Section 4-1 Setting Input Specifications Variable type Parameter name Setting range Default (Channel) −1999 to 9999 E0/A0 Scaling Upper Limit 1000 (See note.) (Channel) −1999 to 9999 Scaling Lower Limit Decimal Point Position (Channel) 0: ****. 1: ***.* 2: **.** 3: *.*** Conditions for use The input type must be set to analog input.
  • Page 75 Calculating Input Measure the temperature at two points: the present value displayed by the Shift Values EJ1 and the location (control target) that needs to be displayed. Preparations 1. Set the input type to match the sensor being used. 2. Prepare a thermometer capable of measuring the temperature of the con- trol target as shown in the following diagram so that a 2-point shift can be performed.
  • Page 76 Section 4-1 Setting Input Specifications Two-point Shift Method 1,2,3... 1. Shift the controller readout at two reference temperatures, near room tem- perature and near the value at which the temperature of the control target is to be controlled. Bring the temperature of the control target close to room temperature and close to the set point, and check control target tempera- ture (B) and controller readout (A).

  • Page 77: Input Filter

    Section 4-1 Setting Input Specifications Input Value 2 for Input Correction = Controller readout (A) = 500°C Input Shift 2 = Object temperature (B) - Controller readout (A) = 550°C − 500°C = 50.00°C 4-1-5 Input Filter Sets the time constant of the digital input filter. The following diagram shows the response of the digital filter to a step-wise input of amplitude A.

  • Page 78: Setting Output Specifications

    The Temperature Controller Error output will turn ON when an bit between bit 0 and bit 13 in the Device A Status is ON. It can be used to output EJ1 error status. Refer to Status Lists on page 209 for details on Device A Status.

  • Page 79: Output On Scheduling Function

    Section 4-2 Setting Output Specifications 100% Control period Note Control responsiveness improves as the control period is short- ened, but if relays are being used for heater control, the relay life- time will also be shortened so we recommend using a control period of at least 20 seconds.
  • Page 80 Section 4-2 Setting Output Specifications • When using both this function and autotuning, always set this function before performing autotuning. If this function is set after autotuning, control performance may deteriorate. • When using this function, set the following parameters to their default set- tings: Output Scaling Upper Limit 1 to 4, Output Scaling Lower Limit 1 to 4, and Decimal Point C1 to C4.

  • Page 81: Output Scaling

    Section 4-2 Setting Output Specifications 2 s=10 s × 20% OUT1 Delay between Outputs: 1,000 ms = 1 s OUT2 2.5 s=10 s × 25% OUT3 OUT4 Control period: 10 s Note The Delay between Outputs parameter can be set to offset the ON time for each output.
  • Page 82 Section 4-2 Setting Output Specifications Example: Making All TC4 Outputs into CH1 Control Output (Heating) with Dif- ferent Slopes Actual output Output Parameter name Set value Output 1 Control output 1 assignment CH1 Control out- 100.0% Output 1 put (heating) Output 2 Output Scaling Upper Limit 1 100 Output Scaling Lower Limit 1 0...

  • Page 83: Setting Control Specifications

    Section 4-3 Setting Control Specifications Setting Control Specifications 4-3-1 Starting and Stopping Control Start Control (RUN) and Stop Control (STOP) The following two methods can be used to start/stop control. For details, refer to the corresponding pages. (1) Starting/stopping control with an operation command: 6-4-11 Operation Commands (2) Starting/stopping control with an event input: 4-7-2 Event Inputs (TC2) Operation After Power ON...

  • Page 84: Selecting The Control Method

    Section 4-3 Setting Control Specifications 4-3-2 Selecting the Control Method The control method can be set to either 2-PID control or ON/OFF control. Variable type Parameter name Setting range Default E5/A5 PID/OnOff (Channel) 0: 2-PID control 1: ON/OFF control Conditions for use No special conditions Note This parameter can be set only when operation is stopped.
  • Page 85 Section 4-3 Setting Control Specifications Three-position Control In heating/cooling control, a dead band area can be set where the MV is 0% for both heating and cooling. with a dead band, 3-position control can be achieved. Dead band Hysteresis (Heating) Hysteresis (Cooling) Heating side Cooling side...
  • Page 86 Section 4-3 Setting Control Specifications • Derivative action: This control action produces an output that is propor- tional to the rate of change of the input. Since propor- tional control and integral control correct for errors in the control result, the control system will be slow to respond to sudden changes in temperature.

  • Page 87: Selecting The Output Mode

    Section 4-3 Setting Control Specifications Setting the Alpha This parameter sets the 2-PID constant alpha ( α ). Note Normally, this parameter is left at its default value. Variable type Parameter name Setting range Default D5/95 Alpha (Channel) 0.00 to 1.00 0.65 Conditions for use The control method must be set to 2-PID control.
  • Page 88 Section 4-3 Setting Control Specifications Heating/Cooling To perform heating/cooling control, assign the control output (cooling) function Control to one of the outputs. For example, when you want to perform heating/cooling control with channel 1, assign channel 1 control output (cooling) to one of the outputs.

  • Page 89: Setting The Set Point

    Section 4-3 Setting Control Specifications Variable type Parameter name Setting range Default (BANK) −1999 to 9999 EU D0/90 Dead Band Conditions for use The control method must be set to heating/cooling control. Note The decimal point position is determined by the sensor selection. With analog inputs, the decimal point position is determined by the Decimal Point Position parameter setting.

  • Page 90: Setting The Sp Ramp

    Section 4-3 Setting Control Specifications Input range SP Limiter range Internal SP When the input type is changed, the input range is narrowed. Input range SP Limiter range Internal SP Note The SP is not changed, but the internal SP used for control is lim- ited by the upper limit of the input range.

  • Page 91: Remote Sp

    Section 4-3 Setting Control Specifications Variable type Parameter name Setting/monitoring Default range E5/A5 (See note 1.) SP Ramp Time Unit 0: Seconds (Channel) 1: Minutes D0/90 SP Ramp Rise Value 0 to 9999 EU/s or min (BANK) (See note 2.) SP Ramp Fall Value 0 to 9999 EU/s or min (BANK)
  • Page 92 Setting Control Specifications Section 4-3 TC2: CH1 TC2: CH2 Channel 3: Remote SP of channel 1 TC4: CH1/CH2 TC4: CH3/CH4 Channel 4: Remote SP of channel 2 Selected bank's Process value Process value If remote SP mode is enabled, the process value operates as the remote SP input.
  • Page 93 Setting Control Specifications Section 4-3 Remote SP range Input range SP Limiter range Internal SP If the remote SP exceeds the upper If the remote SP exceeds the SP limit of the input range, the internal Lower Limit, the internal SP is SP is limited to the sensor's upper limited to the SP Lower Limit.

  • Page 94: Setting The Manipulated Variable (Mv)

    Section 4-3 Setting Control Specifications Variable type Parameter name Setting range Default E5/A5 (See note.) SP Tracking (Channel) 0: Disabled 1: Enabled Conditions for use The Remote SP function must be enabled. Note This parameter can be set only when operation is stopped. SP tracking can be used for channel 1 or channel 2 for the TC4, but only for channel 1 for the TC2.
  • Page 95 Setting Control Specifications Section 4-3 MV at Stop This parameter sets the MV when control is stopped. For heating/cooling control, the MV at Stop parameter applies to the cooling side if the MV is negative and to the heating side if the MV is positive. The default is 0.0, so an MV will not be output for either standard or heating/ cooling control with the default setting.

  • Page 96: Tuning

    Section 4-3 Setting Control Specifications Output Cooling Heating MV Lower Limit MV Upper Limit Output Mode Selection = Heating/cooling control Variable type Parameter name Setting range Default MV Upper Limit (Channel) − 5.0 to 105.0 (for standard control) D5/95 105.0 0.0 to 105.0 (for heating/cooling control) % −105.0 MV Lower Limit (Channel) −...
  • Page 97 Section 4-3 Setting Control Specifications AT Calculated Gain Sets the gain used when calculating the PID constants in autotuning. When emphasizing flexibility, decrease set value. When emphasizing stability, increase the set value. AT Hysteresis The limit cycle operation during autotuning has a hysteresis when switching ON and OFF.
  • Page 98 Setting Control Specifications Section 4-3 RT (Robust Tuning) When autotuning is executed with RT selected, PID constants are automati- cally set that make it hard for control performance to degenerate even when control object's characteristics change. • Selecting the RT mode in the following cases will help to prevent hunting from occurring.

  • Page 99: Disturbance Overshoot Adjustment Function

    Section 4-3 Setting Control Specifications 4-3-9 Disturbance Overshoot Adjustment Function The Disturbance Overshoot Adjustment Function adjusts the control wave- form when an external disturbance impacts the system. • When using this function, set the Disturbance Overshoot Adjustment Function parameter to 1 (Enabled). •...

  • Page 100: 4-3-10 Operation During Errors

    Section 4-3 Setting Control Specifications Temperature Disturbance Time Constant = 1 Disturbance Time Constant = 2 Time Note The waveform shown in the diagram above will vary depending on the control object's characteristics and the PID constant settings. Starting Conditions The Disturbance Overshoot Adjustment Function will operate after the pro- for the Disturbance cess value (PV) has stabilized in the Disturbance Rectification Band and the...
  • Page 101 Section 4-3 Setting Control Specifications the next time a software reset is performed for the Unit or the next time power is turned ON. • When setting 1 (MV at PV Error) is being used, set the MV at PV Error in variable type D5/95.

  • Page 102: Setting Alarm Specifications

    Section 4-4 Setting Alarm Specifications Setting Alarm Specifications 4-4-1 Alarm Types Set the alarm type for each of the alarms in Alarm 1 Type, Alarm 2 Type, and Alarm 3 Type (variable type: E3/A3). Set value Alarm type Alarm Output Function When alarm value X is positive When alarm value X is negative Alarm function OFF Output OFF...

  • Page 103: Alarm Value

    Section 4-4 Setting Alarm Specifications (4) Set value: 5, Upper and lower-limit with standby sequence Note For the above upper and lower-limit alarm: • In cases 1 and 2 above, the alarm is always OFF if the hystere- sis overlaps the upper and lower limits. •...

  • Page 104: Standby Sequence

    Section 4-4 Setting Alarm Specifications 4-4-4 Standby Sequence The standby sequence can be used so that an alarm will not be output until the process value leaves the alarm range once and then enters it again. For example, with a lower limit alarm, the process value will normally be below the set point, i.e., within the alarm range, when the power supply is turned ON, causing an alarm to be output.

  • Page 105: Closed In Alarm Or Open In Alarm

    Section 4-4 Setting Alarm Specifications 4-4-6 Closed in Alarm or Open in Alarm When Close in Alarm is set, the alarm output function's status will be output as-is. When Open in Alarm is set, the alarm output function's status will be reversed before being output.

  • Page 106: Alarm Sp Selection

    Section 4-4 Setting Alarm Specifications • The alarm will not turn ON if the time that the alarm is ON is equal to or less than the ON delay set time. Likewise, the alarm will not turn OFF if the time that the alarm is OFF is equal to or less than the OFF delay set time.

  • Page 107: Detecting Current Errors

    Section 4-5 Detecting Current Errors Detecting Current Errors 4-5-1 CT Assignment (TC2) This parameter specifies which output's current is being measured. Three-phase heater burnout detection can also be performed by assigning two CTs to one output. Variable type Parameter name Setting range Default E4/A4...
  • Page 108 (4) This parameter can be set only when operation is stopped. The hysteresis setting prevents chattering at the detection point. • Turn the heater ON before the EJ1, or turn both ON simultaneously. If the heater power is turned ON after turning ON the EJ1, the HB Alarm will be output.
  • Page 109 Section 4-5 Detecting Current Errors Installing Current Connect the CT in advance to terminals A8 and A9 (CT1) or A7 and A9 (CT2), Transformers (CT) and pass the heater power line through the CT's hole. Refer to Current Trans- former on page 190 for details on compatible CT specifications, models, and (HB Alarm) dimensions.
  • Page 110 Section 4-5 Detecting Current Errors To CT input Load: Heater (example) AC line To CT input Calculating the Heater Calculate the set value with the following equation: Burnout Detection Normal current value + Burnout current value Set value = Current Value •...
  • Page 111 Section 4-5 Detecting Current Errors Examples 1. Single-phase Heaters Example 1 Using a 200-VAC, 1-kW Heater Normal operation Heater burnout occurred AC line AC line 200 V Load 200 V Load Burnout To CT input To CT input The heater current is 5 A when the current is normal, and 0 A when there is a burnout, so the heater burnout detection current is calculated as follows: Normal current value + Burnout current value ∴...
  • Page 112 Section 4-5 Detecting Current Errors 2. Three-phase Heaters a. Delta Connection Example: Using Three 200-VAC, 2-kW Heaters Normal Operation 17.3 A Load: Heater (example) 200 V 200 V 17.3 A Load 200 V To CT input 17.3 A To CT input When each phase's current is normal, the current is: 17.3 A ( ≅...
  • Page 113 Section 4-5 Detecting Current Errors b. Star Connection Example: Using Three 200-VAC, 2-kW Heaters Normal Operation 5.8 A Load: Heater (example) 200 V 200 V 5.8 A 200 V To CT input 5.8 A To CT input   When each phase's current is normal, the current is: 5.8 A ≅ 10 A × ------ - ...

  • Page 114: Heater Short Alarm (Hs Alarm)

    Section 4-5 Detecting Current Errors c. V Connection Example: Using Two 200-VAC, 2-kW Heaters Normal Operation 10 A 200 V To CT input Load: Heater (example) 200 V 17.3 A 200 V 10 A To CT input Heater Burnout Occurred 10 A 200 V 200 V...
  • Page 115 Section 4-5 Detecting Current Errors OFF time (See note 2.) ON time Control output (heating) Note (1) In the above diagram, power is considered to be OFF (normal) if the leak- age current is less than the HS alarm current during the OFF time. If the SSR output is short-circuited, the measured current will increase beyond the HS alarm value and an HS Alarm will be output.

  • Page 116: Heater Overcurrent Alarm (Oc Alarm)

    Section 4-5 Detecting Current Errors HS Alarm Latch and Latch Cancel The HS alarm latch can be used to keep an HS alarm ON once it goes ON. The latch can be released by executing an operation command (Reset Error or Software Reset), cycling the power, or setting the HS Alarm parameter to 100.0 A.
  • Page 117 Section 4-5 Detecting Current Errors (3) The OC Alarm can be forced ON or OFF, regardless of the actual heater current value, by setting the OC (Heater Overcurrent) Alarm parameter to 0.0 or 100.0. Use the 0.0 and 100.0 settings to check operation. (4) This parameter can be set only when operation is stopped.

  • Page 118: Using The Loop Break Alarm (Lba)

    Section 4-6 Using the Loop Break Alarm (LBA) Using the Loop Break Alarm (LBA) 4-6-1 Loop Burnout Alarm (LBA) With a loop burnout alarm, there is assumed to be an error in the control loop if the control deviation (SP-PV) is greater than the threshold set in the LBA Level parameter and if the control deviation is not reduced by at least the value set in the LBA Band parameter within the specified LBA Detection Time.
  • Page 119 Section 4-6 Using the Loop Break Alarm (LBA) Determining the LBA • Automatic Settings Detection Time The LBA detection time is set automatically by autotuning. (It is not set automatically for heating/cooling control.) If the optimum LBA detection time is not obtained by autotuning, set the LBA Detection Time parameter.

  • Page 120: Other Functions (Tc4 And Tc2)

    Section 4-7 Other Functions (TC4 and TC2) Other Functions (TC4 and TC2) 4-7-1 Bank Function Up to 4 banks can be created with the following parameters registered inde- pendently. • Set point • Proportional Band • Integral Time • Derivative Time •...

  • Page 121: Event Inputs (Tc2)

    Section 4-7 Other Functions (TC4 and TC2) 4-7-2 Event Inputs (TC2) Event Input There are two event inputs in the TC2. Assignment The following diagram shows the parameters that can be set in event input 1 or event input 2. Some of the parameters are for all channels and others are for individual channels.

  • Page 122: Internal Buses (Tc4 And Tc2)

    4-7-3 Internal Buses (TC4 and TC2) The EJ1 has three built-in buses. I/O can be allocated to these buses, so sim- ple sequences can be created by assigning signals that are output to the bus (Bus Output Assignments) and assigning functions that operate according to bus signals (Bus Input Assignments).
  • Page 123 The Temperature Controller Error output will turn ON when an bit between bit 0 and bit 13 in the Device A Status is ON. It can be used to output EJ1 error status. Refer to Status Lists on page 209 for details on Device A Status.

  • Page 124: Using G3Za Multi-Channel Power Controllers

    The next time the Basic Unit is started, it will scan only for the registered G3ZA Units, reducing the startup time. Connection Example When the EJ1 starts, it scans the connected G3ZA Units and automatically assigns names G3ZA1, G3ZA2, etc., in order starting with the lowest unit number.
  • Page 125 Example: In this example, the G3ZA Units have been set to unit numbers 0, 1, 7, and 8. The following diagram shows how the G3ZA Units are associated with the EJ1. Unit 0 ⇒ G3ZA1 Unit 1 ⇒ G3ZA2 Unit 7 ⇒ G3ZA3 Unit 8 ⇒...
  • Page 126 The G3ZA's unit number and model determine which MVs are sent from the G3ZA EJ1 to the G3ZA. G3ZA Models with 4 The EJ1 uses the G3ZA's unit number to determine whether to send heating Channels outputs or cooling outputs. • G3ZA Units with unit numbers 0 to 7 •...
  • Page 127 !Caution If the MV is stored or calculated at the G3ZA and the G3ZA is turned ON before the EJ1, the controlled variable produced at the G3ZA will be output (the output may not be 0.0%) until the EJ1 starts operating. When using MV storage or MV calculation, verify that the controlled variable produced by the G3ZA is appropriate.

  • Page 128: Advanced Unit (Hfu) Functions

    Advanced Unit (HFU) Functions This section describes the functions of EJ1 Advanced Unit. Programless Communications........

  • Page 129: Programless Communications

    Electric (MELSEC-Q/QnAS Series) can be performed without creating ladder programs. Using programless communications enables monitoring and changing set- tings for the EJ1 by simply reading and writing to PLC memory. The EJ1 auto- matically performs communications with PLCs so no time-consuming communications programming is required.

  • Page 130: Checking Operation

    RS-232C RS-422/485 Communications Unit A1SJ71QC24N-R2 RS-232C RS-232C Note Direct connections to the EJ1 are possible only with RS-232C or RS-422. 5-1-2 Checking Operation Checking Operation This section describes how to check operation for the configuration shown with SYSMAC CS/CJ below.
  • Page 131 Section 5-1 Programless Communications • RS-232C SYSMAC CJ/CS Series EJ1@-HFU RS-232C Shield Signal Shell RS-232C Turn ON pin 8 of SW2 to set RS-232C. • RS-485 SYSMAC EJ1@-HFU CJ/CS Series RS-485 Shield Signal RDA− RDB+ SDA− SDB+ Shell B(+) RS-485 A(−)
  • Page 132 No particular EJ1 parameter settings are required when using SYSMAC CS/CJ Series PLCs. Leave the parameters set to their default settings. For the default settings, the EJ1 monitor and set values are allocated in the DM Area in the PLC as shown in the following table.
  • Page 133 PLC memory are not otherwise used in the program or by other devices. 4. Check operation. Turn OFF the power to the EJ1 and PLC and then turn the power back ON. It does not matter which one is turned ON first. Refer to the following information and check the operation.
  • Page 134 Check the following items if the operation is incorrect. • Are the wiring and settings correct? • Was the power cycled once the EJ1 and PLC settings were completed? (The EJ1 settings are enabled only after the EJ1 is reset.)
  • Page 135 Programless Communications Section 5-1 • RS-232C EJ1@-HFU MELSEC-Q/QnAS Series RS-232C Signal Shield RS-232C Turn ON pin 8 of SW2 to set RS-232C. • RS-422 EJ1@-HFU MELSEC-Q/QnAS Series RS-422 Signal Signal Shield SDA− SDB+ RDA− RDB+ RDB(+) SDB(+) RDA(−) RS-422 SDA(−) •...
  • Page 136 Port C Send Wait Time (Common) For the default settings, data registers in the PLC are allocated to the EJ1 monitor and set values as shown in the following table. If the allocated words shown below are already in use, change the words referring to Programless...
  • Page 137 Programless Communications 4. Check operation. Turn OFF the power to the EJ1 and PLC and then turn the power back ON. It does not matter which one is turned ON first. Refer to the following infor- mation and check the operation.

  • Page 138: Detailed Settings

    Check the following items if the operation is incorrect. • Are the wiring and settings correct? • Was the power turned OFF once the EJ1 and PLC settings had been completed? (The EJ1 settings are enabled only after the EJ1 is reset.) •...
  • Page 139 Section 5-1 Programless Communications Programless Upload/Download Settings • Use the EST2-2C-MV3 CX-Thermo Support Software to make the set- tings. • The parameters for the following variable types can be set. Up to 300 set- tings can be made. Programless upload Variable types: C4/84, C5/85, D4/94, D5/95, and D6/96 settings Error Status: Error Status on page 118.
  • Page 140 This indicates that a communications error has occurred for Unit No. 15. Communications For the EJ1 to communicate with the PLC, the Programless Communications Protocols and Protocol must be set and the area in PLC memory that will be allocated to parameters for the Programless Upload/Download Settings must be set.
  • Page 141 (1) Make the programless upload settings in the Programless Communica- tions Upload Data Area and the programless download settings in the Programless Download Data Area. (2) Reset the EJ1 to enable settings. Programless Communications Upload/Download Start Address (Variable Type: F0/B0)
  • Page 142 (1) Make sure the same address is not allocated in both the Programless Up- load Settings and Programless Download Settings. (2) Reset the EJ1 to enable settings. Communications The following parameters are used to make the EJ1 communications settings. Settings Set these parameters to the same conditions as the PLC. Variable type...
  • Page 143 If both channel 1 and channel 2 are used on the QJ71C24(-R2), make sure that the total baud rate for both channels is 115.2 kbps or less. Note Make the same settings on the EJ1. Communications Protocol Setting Communications protocol setting...

  • Page 144: Description Of Operation

    Station Number Setting Set to 0000H to match the EJ1 setting. If the station number of the Serial Communications Unit is set to any value except 0, set the programless communications node number in the EJ1 to the same value. MELSEC-QnAS Series Make the settings shown in the following table for the channels being used.
  • Page 145 Programless Communications Section 5-1 The Request Bits are set to the following values. Bits Value Action Read Request 0000: Stop operation Stops operation after a series of operations has been completed. Bits 0001: Single Reads the parameters set in the Programless Upload Setting Area once. 0002: Multi Continuously reads the parameters set in the Programless Upload Setting Area.
  • Page 146 1. The PLC sets the Request Bits. 2. The EJ1 performs a single action. 3. The EJ1 sets the Response Bits to the same value as the Request Bits. 4. The PLC clears the Request Bits. 5. The EJ1 clears the Response Bits.
  • Page 147 Programless Communications Operation Procedure Monitor Once the PLC sets the value of the Read Request Bits, the EJ1 writes the value set under Programless Upload Settings to the PLC memory area. • Single Read The parameters set in the Programless Upload Setting are read once.
  • Page 148 Programless Communications Section 5-1 • Multi Read The parameters set in the Programless Upload Setting are read continu- ously. 2. The EJ1 sets the Read Response Bits. Upload Area Download Area Address Value Address Value TC4/2 0002 0002 Setting Change...
  • Page 149 Example: monitor value 03E8H or 1000 → 100.0 The set value in the EJ1 will not change even if the monitor value is changed. Checking Programless Communications Operation from the PLC To confirm that programless communications are working from the PLC, con- firm that reserved bit 15 of the Communications Status under the Programless Download Settings is changing.
  • Page 150 Programless Communications Setting Changes To change EJ1 settings from the PLC, first change the values in the Download Area in the PLC memory and then set the Setting Change Request Bits. The EJ1 will then read the Download Area in the PLC memory and change the corresponding settings.
  • Page 151 (2) All programless download parameters will be updated when the Setting Change Request Bits are set. If set values are not the same in EJ1 and PLC memory, e.g., when the power is turned ON or the bank is changed, always change the values in PLC memo-...
  • Page 152 Operation Commands When the EJ1 confirms that the Operation Command Request Bits have been set by the PLC, the EJ1 reads the operation command code set in PLC mem- ory and accepts the operation command. To execute an operation command, set the operation command code in the PLC memory words corresponding to the Programless Download Settings and then set the Operation Command Request Bits.
  • Page 153 ZZZZ ZZZZ ZZZZ Status Monitor value Set value 3. The EJ1 repeatedly reads the operation command code. 1. The EJ1 sets the Operation Command Request Bits. • Stop Operation Operation is stopped after a series of operations has been completed.

  • Page 154: Operation Command Codes For Programless Communications

    Operation command codes for programless communications can be checked using the Programless Communications Utility for EJ1 in the EST2-2C-MV3 CX-Thermo Support Software. The Programless Communications Utility for EJ1 can be started under Start - Program - OMRON - CX-one - CX-Thermo - Programless Communica- tions Utility for EJ1.
  • Page 155 Section 5-1 Programless Communications Structure of Operation Command Bit position Meaning Codes for All channels specified (1 bit) Programless Related information (2 bits) Communications All Units specified (1 bit) Unit specification (6 bits) Command code (6 bits)
  • Page 156 Section 5-1 Programless Communications Details of Operation Command Codes for Programless Communications All channels specified Related Information All Units specified Command code Unit specification Write Mode (See (See note 3.) note Software Reset (See note (See note Stop Manual No. 0 Auto 40% AT Execute No.
  • Page 157 Section 5-1 Programless Communications Sample Operation Command Codes for Programless Communications *1: All Units specified. *2: All channels specified. Command Unit No. Channel Operation Command code Unit specification Related code command informat code Channel 1 H' 2810 Channel 2 H' 2812 Channel 3 H' 2814 Channel 4...

  • Page 158: Programless Communications Errors

    • Whether or not the value being changed can be changed. Errors in If noise or other cause results in a communications error with the PLC, the Communications with EJ1 will stop programless communications and set the Operation Command Response Bits to EEEE. PLCs Method for Canceling Communications Errors 1,2,3...

  • Page 159: Other Hfu Functions

    (2) Refer to Parameter List on page 193 for details on parameter settings. 5-2-2 HFU Internal Buses The EJ1 has three internal device buses. I/O allocations can be made for these buses, which enables simple sequencing to be incorporated by allocat- ing output signals to buses (bus output assignments) and determining opera- tions based on bus status (bus input assignments).
  • Page 160 Controller error bit between bit 0 and bit 13 is ON in the Device A Status. It can be used to output EJ1 error status. Refer to Status Lists on page 209 for details on Device A Status. Event inputs 1 to 4 Outputs the ON/OFF status of event input 1 to event input 4.
  • Page 161 The Temperature Controller Error output will turn ON when any bit between bit 0 and bit 13 is ON in the Device A Status. It can be used to output EJ1 error status. Refer Status Lists on page 209 for details on Device A Status.

  • Page 162: Communications (Compoway/F)

    SECTION 6 Communications (CompoWay/F) This section describes how to use communications based on communications commands. Communications Settings ........6-1-1 Communications Specifications .

  • Page 163: Communications Settings

    For example, references to reading and writing mean reading data from the EJ1 to the host computer and writing data from the host computer to the EJ1.

  • Page 164: Unit Number Setting

    The send data wait time setting is used to adjust the time the host computer takes to switch from sending to receiving. Specifically, the send data wait time for the EJ1 is the time from after a response has been created after data has been received until the EJ1 switches to sending.

  • Page 165: Frame Configuration

    Always set to 02H. Unit No. • Set the unit number that is set on SW1 and SW2 on the EJ1. • Specify “XX” for a broadcast transmission. No responses will be returned for broadcast transmissions. • No responses will be returned from unit numbers other than the ones in the above range.
  • Page 166 Section 6-2 Frame Configuration BCC Calculation Example Unit No. Sub-address SID FINS-mini command text ETX BCC 02H 30H 30H 30H 30H 30H 35H 30H 30H 03H 36H 30H 30H 30H 30H 30H 30H 30H 30H 03H = 36H XOR (exclusive OR) calculation Note No response will be returned unless the frame contains all elements up to the ETX and BCC.

  • Page 167: Fins-Mini Text

    Section 6-3 FINS-mini Text FINS-mini Text The FINS-mini command and response text is the text that form the command and response communications. 6-3-1 PDU Structure The structure of the FINS-mini command text and FINS-mini response text are described below. Command Text An MRC (main request code) and SRC (sub-request code) followed by the various required data is transferred in the command frame.

  • Page 168: Communications Data

    FINS-mini Text Section 6-3 6-3-4 Communications Data Setting (monitor) value Communications data Negative values Decimal point (See note.) Hexadecimal Double word (8 digits) 2's complement The decimal point is removed and the result is converted to hexadecimal. Word (4 digits) Example) 105.0 →...

  • Page 169: Detailed Description Of Services

    No. of elements × 8 or 4 1. Variable Type and Read Start Address Refer to Parameter List on page 193. 2. Bit Position The EJ1 does not support bit access. Fixed to 00. 3. No. of Elements Read data length No. of elements For double-word (8-digit) variable type 40 max.

  • Page 170: Write To Variable Area

    1. Variable Type and Write Start Address Refer to Parameter List on page 193. 2. Bit Position The EJ1 does not support bit access. Fixed to 00. 3. No. of Elements Write data length No. of elements For double-word (8-digit) variable type 39 max.

  • Page 171: Composite Read From Variable Area

    1. Variable Type and Read Address Refer to Parameter List on page 193. Composite reads cannot be performed for the DA/9A variable types. 2. Bit Position The EJ1 does not support bit access. Fixed to 00. 3. Response Codes Response code Error name...

  • Page 172: Composite Write To Variable Area

    Refer to Parameter List on page 193. Composite writes cannot be performed for the DA/9A variable types. 2. Bit Position The EJ1 does not support bit access. Fixed to 00. 3. No. of Write Data Items Write data length No. of write data items For double-word (8-digit) variable type 20 max.

  • Page 173: Composite Registration Read

    Section 6-4 Detailed Description of Services 6-4-5 Composite Registration Read This service reads in order the contents of addresses specified in a variable area composite read registration. Command Service Request PDU Response Service Response PDU Response Variable Read data code type No.

  • Page 174: Composite Read Registration

    Refer to Parameter List on page 193. Composite reads/writes cannot be registered for the DA/9A variable types. 2. Bit Position The EJ1 does not support bit access. Fixed to 00. 3. No. of Registered Data Items (Variable Type + Read Address + Bit Posi- tion) Registered data length No.

  • Page 175: Composite Read Registration Confirmation

    2. Variable Type and Read Address Refer to Parameter List on page 193. 3. Bit Position The EJ1 does not support bit access. Fixed to 00. 4. No. of Registered Data Items (Variable Type + Read Address + Bit Posi- tion) Registered data length No.

  • Page 176: Controller Attribute Read

    Section 6-4 Detailed Description of Services 6-4-8 Controller Attribute Read This service reads the model number and communications buffer size. Command Service Request PDU Response Service Response PDU Response Model Buffer size code 1. Model From 1 to 10 in 1-2-3 Model Number Legend can be read. Example: Input range 9 10 11 12 13 14...

  • Page 177: Controller Status Read

    Section 6-4 Detailed Description of Services 6-4-9 Controller Status Read This service reads the operating status and error status. Command Service Request PDU Response Service Response PDU Related Response Operating Informa- code status tion 1. Operating Status • TC4/TC2 Channel Bit position Meaning 00: Operating...

  • Page 178: 6-4-10 Echoback Test

    Section 6-4 Detailed Description of Services 6-4-10 Echoback Test This service performs an echoback test. Command Service Request PDU Test data 0 to 323 Response Service Response PDU Response code Test data 0 to 323 1. Test Data Up to 323 (0143H). The test data must be within the following ranges depending on the com- munications data length.

  • Page 179: Operation Commands

    Section 6-4 Detailed Description of Services 6-4-11 Operation Commands The following parameter settings are made using operation commands. • Write Mode • Software Reset • Run • Stop • Manual • Automatic • AT Execute • AT Cancel • Bank 0 Change to •...
  • Page 180 Section 6-4 Detailed Description of Services Note (1) Set values that can be changed during operation are saved to EEPROM. (2) All set values are saved to EEPROM. Description of Operation Instructions and Precautions • Write Mode Set either the Port B backup mode or RAM write mode using the related information.
  • Page 181 Section 6-4 Detailed Description of Services • LSP Mode and RSP Mode Sets SP Mode (LSP (local SP)/RSP (remote SP). An operation error will occur if autotuning is already being performed for a specified channel. • Reset Error Clears the following errors: heater burnout latch, HS alarm latch, heater overcurrent latch, heater overcurrent, and operation during error (selec- tion B).
  • Page 182 Section 6-4 Detailed Description of Services Response code Error name Cause 7014 Operation error The command cannot be executed because (7014) EEPROM is currently being written. Execute retries until the 7014 response code is reset. 7015 Operation error The command cannot be executed during (7015) reset (including startup).
  • Page 183 Section 6-4 Detailed Description of Services...

  • Page 184: Errors And Error Processing

    SECTION 7 Errors and Error Processing This section describes methods for checking possible problems in operation depending on classifications of Temperature Controller status. Things to Check First ......... . . Determining Errors from Indicators .

  • Page 185: Things To Check First

    Check the EJ1 status. Find the cause of the error based on the data read by Determine the error the EJ1, then correct the error.

  • Page 186: Determining Errors From Indicators

    Not lit The Unit configuration informa- Send the Register Unit Configuration: Reset Red, lit tion is corrupted (Basic Units operation command and then cycle the EJ1 only). power supply. The Unit is malfunctioning. Replace the Unit. A Unit is not connected correctly. Check Unit models and the order of connection.
  • Page 187 If the Operation Command Response Bits in the cations were established Programless Upload Area set in PLC memory between the PLC and EJ1. are EEEE, write FFFF to the Operation Com- mand Request Bits to restart communications. The communications cable was Connect the cable.

  • Page 188: Determining The Error From The Status

    Determining the Error from the Status Determining the Error from the Status The EJ1 status can be checked by using communications to read the Status. Status is connected to other status data in a directory tree, so the cause of the error can be checked or the channels for which there are alarms can be inves- tigated by searching through the directory tree for the related status.
  • Page 189 Section 7-3 Determining the Error from the Status Status and Addresses Variable type Parameter name Variable type Parameter name C4/C84 C4/C84 0000 Device A Status Not used. 0001 Device Error Status 0100 Process Value - CH1 0002 Configuration Error A Status 0101 Channel Status - CH1 0003...
  • Page 190 Section 7-3 Determining the Error from the Status Status Directory Tree C4/84 0000 Device A Status Device Error Bit 0 Device Error Status C4/84 0001 bits 0 to 3: Not used. Bits 0 to 3: Not used. Bit 4 EEPROM Error Bit 5 Calibration Error Bit 6...
  • Page 191 Section 7-3 Determining the Error from the Status Bits 8 to 9: Not used. Bit 10 I/O Error I/O Error Status C4/84 0005 Bit 0 Main Input 1 Count Error Bit 1 Main Input 2 Count Error Bit 2 Main Input 3 Count Error Bit 3 Main Input 4 Count Error Bits 4 to 7: Not used.
  • Page 192 Determining the Error from the Status Section 7-3 Output Status C4/84 0012 Bit 0 Control Output 1 Bit 1 Control Output 2 Bit 2 Control Output 3 Bit 3 Control Output 4 Bits 4 to 7: Not used. Bits 8 to 11: Not used. Bits 12 to 15: Not used.

  • Page 193: Determining The Error From The Current Situation For Communications Errors

    Determining the Error from the Current Situation for Communications Errors This section provides troubleshooting information for communications errors. EST2-2C-MV3 CX- No Communications between the EST2-2C-MV3 CX-Thermo Support Soft- Thermo Support ware and the EJ1 Software Status Possible cause Countermeasure Cannot connect online...
  • Page 194 The Interface Converter con- Refer to the computer, Interface Con- nection is incorrect. verter, and EJ1 manuals and wire the connection correctly. There is no device on the Specify a unit number in the commu- communications path with the nications settings for a device on the specified unit number.
  • Page 195 Determining the Error from the Current Situation for Communications Errors Section 7-4 Status Possible cause Countermeasure The EJ1 does not appear in There is no power supply to Supply power from the EDU power the CX-Integrator's Compo- the EJ1. supply terminal.
  • Page 196 Section 7-4 Determining the Error from the Current Situation for Communications Errors Direct Connection of No Communications Between the EJ1 and a Directly Connected NS-Series NS-series Programmable Terminals Status Possible cause Countermeasure The Smart Active Part (SAP) There is no power supply to...
  • Page 197 • Move to the System Screen, display the Communications Settings Screen, and set the destination for the communica- tions port to Temperature Controller. • Set the baud rate the same as the EJ1 baud rate. There is an HFU connected to Port B cannot be used for communi- the EJ1.
  • Page 198 Determining the Error from the Current Situation for Communications Errors Section 7-4 Serial Connection of No Communications Between the EJ1 and the NS-Series PT Using Serial NS-series Connection Programmable Terminals Status Possible cause Countermeasure The Smart Active Part (SAP) There is no power supply to...
  • Page 199 EJ1 communications set- as the port B baud rate. tings do not match. Hint: The EJ1 baud rate is set under the Port B Communications Baud Rate parameter. CS/CJ • The available baud rate settings are 9.6 kbps (default), SCB/SCU 19.2 kbps, 38.4 kbps, 57.6 kbps, and 115.2 kbps.
  • Page 200 Section 7-4 Determining the Error from the Current Situation for Communications Errors Programless No Programless Communications between the PLC and the EJ1 Communications Status Possible cause Countermeasure No communications between There is no power supply to Supply power from the EDU power the PLC and the EJ1.
  • Page 201 Section 7-4 Determining the Error from the Current Situation for Communications Errors G3ZA Use the following table when the EJ1 cannot communicate with an G3ZA con- nected to it. Status Possible cause Countermeasure Communications are Power is not supplied to the...

  • Page 202: Determining The Error From The Current Situation For Temperature Measurement Errors

    Platinum resistance thermometers: 1. Connect a 100 Ω resistor between thermometer input terminals A and B and short B and B. 2. The EJ1 is working if the measured temperature is 0.0 ° C or 32.0 ° F. Thermocouples: 1. Short the thermometer input terminals.

  • Page 203: Determining The Error From The Current Situation For Temperature Control Errors

    • Set a suitable PID constant. The MV limiter is preventing the MV from decreasing. • Change the MV limiter to a suitable value. The EJ1 is outputting in manual mode. • Stop manual mode. Procedure The control system is radiating heat.
  • Page 204 Section 7-6 Determining the Error from the Current Situation for Temperature Control Errors Overshooting or Undershooting Possible cause Countermeasure Connection Measured temperature is wrong. • Perform the action outlined in 7.5. A general-purpose thermometer with slow thermal response • Change to a sheathed thermometer. has been connected to a control system with fast thermal response.

  • Page 205: Determining The Error From The Current Situation For Output Errors

    Section 7-7 Determining the Error from the Current Situation for Output Errors Determining the Error from the Current Situation for Output Errors No Control Outputs. No Alarm Outputs. Possible cause Countermeasure Connection Measured temperature is wrong. • Perform the action outlined in 7.5. The load polarity or connected terminals are wrong.

  • Page 206: Determining The Error From The Current Situation For Heater Burnout Alarm Errors

    Section 7-8 Determining the Error from the Current Situation for Heater Burnout Alarm Errors Determining the Error from the Current Situation for Heater Burnout Alarm Errors HB (Heater Burnout) Alarm or Heater Burnout Not Detected Possible cause Countermeasure Connection No current transformer (CT) is connected. •...
  • Page 207 Section 7-8 Determining the Error from the Current Situation for Heater Burnout Alarm Errors...

  • Page 208: Appendix

    Appendix Specifications............Ratings .

  • Page 209: Specifications

    Appendix Specifications Specifications Ratings Power supply voltage 24 VDC Operating voltage range 85% to 110% of rated voltage Power consumption (at maximum load) 5 W max. 4 W max. 2 W max. Sensor inputs Thermocouple K, J, T, E, L, U, N, R, S, B, W, PLII Platinum resistance Pt100, JPt100 thermometer...

  • Page 210: Characteristics

    Appendix Specifications Characteristics TC4/TC2 Indication accuracy Thermocouple input/ (±0.5% of indication value (PV) or ±1°C, platinum resistance whichever is greater) ±1 digit max. (See note thermometer input Analog input (±0.5% FS) ±1 digit max. Heater burnout CT input (±5% FS) ±1 digit max. Hysteresis 0.1 to 999.9 EU (in units of 0.1 EU) Proportional band (P)

  • Page 211: Current Transformer

    1,000 VAC for 1 min Vibration resistance 50 Hz, 98 m/s Weight Approx. 11.5 g Approx. 50 g Accessories None Armatures (2), plugs (2) Note The maximum continuous current of the EJ1 is 100 A. Dimensions E54-CT1 E54-CT3 2.36 dia.

  • Page 212: Ascii Table

    Appendix ASCII Table ASCII Table Leftmost digit Rightmost digit SPACE ‘ ‘ & ‘ < ¥ >...

  • Page 213: Sensor Input Ranges

    Appendix Sensor Input Ranges Sensor Input Ranges Input type Specifica- Set value Setting range Indication range tion °C °F °C °F −200 to 850 −300 to 1500 −220 to 870 −340 to 1540 Platinum Pt100 resistance −199.9 to 500.0 −199.9 to 900.0 −219.9 to 520.0 −239.9 to 940.0 thermome- −20.0 to 120.0...

  • Page 214: Parameter List

    Appendix Parameter List Parameter List If variables without parentheses are used in communications, the set values will be eight-digit (double-word) data. If variables with parentheses are used in communications, the set values will be four-digit (word) data. Example: Variable type C4: Double word (8 digits) Variable type 84: Word (4 digits) Variable Category Add-...
  • Page 215 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ C4 (84) Monitor 0000 Device A Status See Status Lists on page 209. Common 0001 Device Error Status See Status Lists on page 209. Common 0002 Configuration Error A Status...
  • Page 216 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ C9 (89) Monitor 0100 G3ZA1 - CH1 Control Variable Monitor H' 00000000 to H' 000003E8 (0.0 to 100.0) 0101 G3ZA1 - CH2 Control Variable Monitor H' 00000000 to H' 000003E8 (0.0 to 100.0) 0102 G3ZA1 - CH3 Control Variable Monitor...
  • Page 217 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ D0 (90) Can be 0100 Bank 0 Set Point - CH1 H' FFFFF831 to H' 0000270F (−1999 to 9999) BANK changed 0101 Bank 0 Proportional Band - CH1 H' 00000001 to H' 0000270F (1 to 9999)
  • Page 218 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ D1 (91) Can be 0100 Bank 1 Set Point - CH1 H' FFFFF831 to H' 0000270F (−1999 to 9999) BANK changed 0101 Bank 1 Proportional Band - CH1 H' 00000001 to H' 0000270F (1 to 9999)
  • Page 219 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ D3 (93) Can be 0100 Bank 3 Set Point - CH1 H' FFFFF831 to H' 0000270F (−1999 to 9999) BANK changed 0101 Bank 3 Proportional Band - CH1 H' 00000001 to H' 0000270F (1 to 9999)
  • Page 220 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ D5 (95) Can be 0100 Input Digital Filter - CH1 H' 00000000 to H' 0000270F (0.0 to 999.9) Seconds ch changed 0101 Input Value 1 for Input Correction - CH1 H' FFFFF831 to H' 0000270F (−1999 to 9999)
  • Page 221 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ D8 (98) Can be 0004 Programless Download Settings 4 0940 changed 0005 Programless Download Settings 5 0B40 during operation. 0006 Programless Download Settings 6 00FF 012F Programless Download Settings 303 00FF...
  • Page 222 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ DA (9A) Can be 0100 G3ZA1 - CH1 Slope H' 00000000 to H' 00000FA0 (0.0 to 400.0) 100.0 changed 0101 G3ZA1 - CH2 Slope H' 00000000 to H' 00000FA0 (0.0 to 400.0) 100.0 during...
  • Page 223 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ E0 (A0) Can be Not used. changed 0001 Cold Junction Compensation Method H' 00000000: Externally (0) Common while H' 00000001: Internally (1) stopped.
  • Page 224 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ E1 (A1) Can be 0100 Control Output 1 Assignment H' 00000000: Disabled (0) changed H' 00000001: Temperature Controller error (1) while H' 00000002: All channels All alarm OR (2) stopped.
  • Page 225 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ E3 (A3) Can be Not used. changed 0100 Alarm 1 Type - CH1 H' 00000000: Alarm function OFF (0) while H' 00000001: Upper and lower limit alarm (1) stopped.
  • Page 226 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ E5 (A5) Can be 0000 AT Calculated Gain H' 00000001 to H' 00000064 (0.1 to 10.0) Common changed 0001 Limit Cycle MV Amplitude H' 00000032 to H' 000001F4 (5.0 to 50.0) 20.0 Common...
  • Page 227 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ F0 (B0) Enabled 0000 Remote SP Enable H' 00000000: Disabled (0) Common after H' 00000001: Enabled (1) resetting. 0001 Operation After Power ON H' 00000000: Continue (0) Common H' 00000001: Stop (1)
  • Page 228 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ F2 (B2) Enabled 0000 Event Input 1 Assignment H' 00000000: Disabled (0) Common TC2 after H' 00000001: All channels Bank (bit0) (1) resetting.
  • Page 229 Appendix Parameter List Variable Category Add- Parameter name Setting (monitor) range Defau- Unit Attribut- Target Unit type ress TC4/ F2 (B2) Enabled Not used. after 0030 Bus Output 1 Assignment H' 00000000: Disabled (0) TC: 4 Common resetting. H' 00000001: Temperature Controller error (1) HFU: 0 H' 00000002: All channels All alarm OR (2) H' 00000003: All channels All alarm AND (3)

  • Page 230: Status Lists

    Appendix Status Lists Status Lists Use the Status listed in the following tables to check EJ1 status. TC4/TC2 C0 Status C0/80 0001 Bit position Status Bit description Meaning Bit 0 Not used. Bit 1 Not used. Bit 2 Not used.
  • Page 231 Appendix Status Lists Device A Status C4/84 0000 Bit position Status Bit description Meaning Bit 0 Device Error No error Error There is a memory error. Refer to Device Error Status. Bit 1 Configuration Error No error Error There is an error in the device configuration. Refer to Configuration Error A Status, and Configu- ration Error B Status.
  • Page 232 Status Lists Appendix Configuration Error A Status C4/84 0002 Bit position Status Bit description Meaning Bit 0 Undefined Expand Units No error Error A Unit that is not recognized is connected. Bit 1 Not used. Bit 2 Too Many Expand units No error Error More than 9 G3ZA Units are connected.
  • Page 233 Status Lists Appendix Internal Communications Error Status C4/84 0004 Bit position Status Bit description Meaning Bit 0 Expand Unit 1 Commu- No error Error There is an error in communications with the nications Error G3ZA1. Bit 1 Expand Unit 2 Commu- No error Error There is an error in communications with the...
  • Page 234 Appendix Status Lists I/O Alarm A Status C4/84 0006 Bit position Status Bit description Meaning Bit 0 CT1 Heater Overcurrent No error Error The heater current 1 value exceeds 110.0 A. Bit 1 CT2 Heater Overcurrent No error Error The heater current 2 value exceeds 110.0 A. Bit 2 Not used.
  • Page 235 Status Lists Appendix I/O Notification A Status C4/84 0009 Bit position Status Bit description Meaning Bit 0 CT1 Heater Current Updated Hold The heater current monitor has not been updated Hold because the control output ON time is less than 100 Bit 1 Not used.
  • Page 236 Appendix Status Lists Basic Unit/Expand Unit Error Status C4/84 000F Bit position Status Bit description Meaning Bit 0 Expand Unit 1 Error No error Error The G3ZA1 has generated a zero cross error. Bit 1 Expand Unit 2 Error No error Error The G3ZA2 has generated a zero cross error.
  • Page 237 Appendix Status Lists Output Status C4/84 0012 Bit position Status Bit description Meaning Bit 0 Control Output 1 The control output 1 status can be checked. Bit 1 Control Output 2 The control output 2 status can be checked. Bit 2 Control Output 3 The control output 3 status can be checked.
  • Page 238 Status Lists Appendix Channel Status C4/84 0101 (CH1)·0201 (CH2)·0301 (CH3)·0401 (CH4) Bit position Status Bit description Meaning Bit 0 RUN/STOP Stop Run/Stop can be confirmed. Bit 1 Auto/Manual Auto Manual Auto/Manual can be confirmed. Bit 2 AT Execute/Cancel AT is Can confirm AT Execute/Cancel.
  • Page 239 Appendix Status Lists C0 Status C0/80 0001 Bit position Status Bit description Meaning Bit 0 Not used. Bit 1 Not used. Bit 2 Not used. Bit 3 Not used. Bit 4 Not used. Bit 5 Not used. Bit 6 Not used. Bit 7 Not used.
  • Page 240 Appendix Status Lists Device A Status C4/84 0000 Bit position Status Bit description Meaning Bit 0 Device Error No error Error There is a memory error. Refer to Device Error Status. Bit 1 Configuration Error No error Error There is an error in the device configuration. Refer to Configuration Error A Status.
  • Page 241 Appendix Status Lists Configuration Error A Status C4/84 0002 Bit position Status Bit description Meaning Bit 0 Not used. Bit 1 Not used. Bit 2 Not used. Bit 3 Not used. Bit 4 Not used. Bit 5 Not used. Bit 6 Not used.

  • Page 242: Parameters That Can Be Allocated For Programless Communications

    Parameters That Can Be Allocated for Programless Communications Appendix Parameters That Can Be Allocated for Programless Communications The following table lists the parameters that can be allocated to programless communications. Function Parameter Attribute Upload Download Remarks Status Device A Status Common --- (See note.) Monitoring only Device Error Status...
  • Page 243 Parameters That Can Be Allocated for Programless Communications Appendix Function Parameter Attribute Upload Download Remarks Control Present Bank Proportional Band Present Bank Integral Time Present Bank Derivative Time Present Bank Manual Reset Value Present Bank Cooling Coefficient Present Bank Dead Band MV at PV Error MV at Stop MV Upper Limit...

  • Page 244: Index

    Index Numerics Expand Unit 6 Error Expand Unit 7 Error 100% AT Expand Unit 8 Error 2-PID control Basic Units (TC4 and TC2) Derivative action bus I/O assignments Integral action bus output assignment Proportional action 2-PID control (two-degrees-of-freedom PID) 40% AT C0 Status (HFU) Communications Writing EEPROM...
  • Page 245 Index characteristics checking operation D (derivative time) close in alarm dead band closed in alarm or open in alarm decimal point position xvii command frame Device A Status (HFU) Configuration Error Device Error FINS-mini command text External RAM Error at Operation Internal Communications Error Programless Link Error Sub-address...
  • Page 246 Index disturbance gain disturbance overshoot adjustment function HB (Heater burnout) xvii disturbance time constant heater burnout alarm (HB alarm) driver installation heater overcurrent alarm (OC alarm) heater short alarm (HS alarm) heating/cooling control xvii echoback test HFU bus output assignments xvii HFU internal buses EEPROM...
  • Page 247 Index Expand Unit 6 Communications Error Expand Unit 7 Communications Error Expand Unit 8 Communications Error OC (Heater overcurrent) xvii ON/OFF control one-point shift open in alarm LBA (Loop burnout alarm) xvii operation after power ON LBA detection time operation at startup limit cycle MV amplitude operation command multi operation command...
  • Page 248 Index AT Execute Latch Cancel AT Hysteresis LBA Band Auto LBA Detection Time Auto/manual Switch LBA Level Automatic Leakage Current Value 1 or 2 Monitor Auxiliary Output 1 Assignment Limit Cycle MV Amplitude Auxiliary Output 2 Assignment Local SP Monitor Auxiliary Output 3 Assignment LSP Mode Auxiliary Output 4 Assignment...
  • Page 249 Index SP Upper Limit RS-422A Stop RS-485 Temperature unit RSP (Remote SP) xvii Temporary AT Execution Judgment Deviation RT (robust tuning) Unit number Write Mode Write mode parameters that can be allocated for programless communi- cations PID constants scaling screw-less clamp terminals PID settings platinum resistance thermometer selecting the control method...
  • Page 250 Index terminal arrangement terminating resistance thermocouple three-position control twisted-pair cable two-point shift unit configuration examples unit number setting USB-Serial Conversion Cable using tool ports wiring auxiliary outputs communications control outputs CT inputs event inputs inputs power supply voltage wiring precautions write to variable area...
  • Page 251 Index...

  • Page 252: 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. H142-E1-01 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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