Omron EJ1G User Manual
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Omron EJ1G User Manual

Omron EJ1G User Manual

Modular temperature controllers for gradient temperature control
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Cat. No. H143-E1-01
EJ1G
Modular Temperature Controllers
for Gradient Temperature Control
USER'S MANUAL

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  • Page 1 Cat. No. H143-E1-01 EJ1G Modular Temperature Controllers for Gradient Temperature Control USER’S MANUAL...
  • Page 2 EJ1G Modular Temperature Controllers for Gradient Temperature Control User’s Manual Produced October 2006...
  • Page 4 1. Indicates lists of one sort or another, such as procedures, checklists, etc. OMRON, 2006 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission of OMRON.
  • Page 5 The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products: Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this manual.
  • Page 6 PERFORMANCE DATA 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.

  • Page 7: Safety Precautions

    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.
  • Page 8 Tighten the terminal screws to between 0.40 and 0.56 N·m. Loose screws may occasionally result in fire. Set the parameters of the product so that they are suitable for the system being controlled. If they are not suitable, unexpected operation may occasionally result in property damage or accidents.
  • Page 9 AWG28 to AWG16 (equal to cross-sectional area of 0.081 to 1.309 mm ) for all other lines. (The stripping length is 6 to 8 mm.) Up to two wires of same size and type, or two crimped terminals can be inserted into a single terminal.
  • 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 If the measurement accuracy is low, check to see if input shift has been set correctly. Precautions for Operation It takes a certain amount of time for the outputs to turn ON from after the power supply is turned ON. Due consideration must be given to this time when designing control panels, etc.
  • 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

    Related Manuals The manuals related to the EJ1G are configured as shown in the following tables. Refer to these man- uals as required. EJ1G Name Cat. No. Contents EJ1G H143 Describes the following information on the EJ1G. EJ1G-TC2A-QNHB (This Overview and features...
  • Page 14 Smart Active Parts Reference Manual V087 Describes the Smart Active Parts (SAP) function- (PDF ality and the settings required to use the SAP only) library. This document does not describe applica- tion restrictions for specific Units or Components or restrictions in combinations. Always refer to the operation manual for the products involved before using the SAP library.
  • Page 15 Operation Manual CX-Programmer Ver. 6.1 W447 Describes function blocks for CS/CJ-series CPU WS02-CXPC1-E-V60 Units unit version 3.0 or later and CP-series CPU CS1G-CPU@@H Units, and CX-Programmer operations related to CS1H-CPU@@H function blocks. CJ1G-CPU@@H Refer to the W447 manual above for other CX- CJ1H-CPU@@H Programmer operations.

  • Page 16: Conventions Used In This Manual

    Expand Unit Expansion Unit (See note 2.) Note: (1) “EU” stands for Engineering Unit. EU is used as the minimum unit for engineering units such as C, m, and g. The size of EU varies according to the input type.
  • Page 17 xviii...

  • Page 18: Table Of Contents

    SECTION 2 Preparations ........
  • Page 19 Index..........209 Revision History ........215...

  • Page 20: About This Manual

    • Gradient Temperature Control Setup Section 3 Gradient Temperature Control Setup describes how to set up and adjust gradient temper- ature control and how to change the SPs during operation. • Functions of EJ1G Basic Units (TC4/TC2) Section 4 Basic Units (TC4/TC2) describes the functions of EJ1G Basic Units.
  • Page 21 xxii...

  • Page 22: Outline

    Main Unit Functions ........

  • Page 23: Names Of Parts

    Lights when the power is ON. Flashes or lights when an error occurs. Lights when an alarm is activated. COM1 Orange Flashes during communications via port A on the End Unit. COM2 Orange Flashes when the EJ1G system is in operation. COM3 Orange Flashes during communications with the G3ZA.

  • Page 24: Using Setting Switches

    Orange Flashes during communications via port C. Note Some time is required for the indicators to light after the power is turned ON. 1-1-4 Using Setting Switches • Check that the EJ1G is turned OFF before operating the switches. The settings are enabled when the power is turned ON.
  • Page 25 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. Refer to SECTION 2 Preparations for information on wiring.

  • Page 26: I/O Configuration And Main Functions

    Port A communications Internal bus 1 Internal bus 2 Port B communications Internal bus 3 Inside the device • Internal device I/O are connected via a connector to the adjacent Unit. TC2: Two-channel Basic Unit Control output 1 Main input 1 Control...

  • Page 27: Main Unit Functions

    • Basic Units are used as the control I/O devices. (The HFU performs con- TC2) trol processing.) • There are two models of Basic Unit: The TC4 with four I/O channels and the TC2 with two I/O channels. • Universal input supports a thermocouple, platinum resistance thermome- ter, or analog input.

  • Page 28: Model Number Legend

    • Data can be exchanged between the EJ1G and PLCs using programless communications. • Up to 300 data items can be read from a PLC to the EJ1G and up to 300 data items can be written from the EJ1G to a PLC.
  • Page 29 Screw-less clamp terminals Unit name Advanced Unit Type Gradient Temperature Control 9 10 11 12 13 14 H F U A H F U A H F U B N F L K H F U B N F L 2...

  • Page 30: Internal Block Diagrams

    G3ZA communications Port A commu- G3ZA commu- Port B commu- nications circuit nications circuit nications circuit Internal buses 1 to 3 24 VDC Switch Indicators EEPROM inputs Waveform Temperature/an- Drive Pulse voltage Main input 1...
  • Page 31 SRAM communications circuit between devices Port A commu- Port B commu- nications circuit nications circuit Internal buses 1 to 3 24 VDC Port A connector TTL conversion circuit Port A communications Port B communications Internal bus 1 Drive Transistor...

  • Page 32: Preparations

    Wiring Precautions ........

  • 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: Mounting And Removing Terminal Blocks

    1. Align the connectors and connect the Units to each other. Note Connect the EDU on the right end of the EJ1G 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 Method Pull down the hooks on the bottoms of the Units, and then catch the hooks on the tops of the Units onto the DIN Rail and press the Units onto the DIN Rail until they lock into place.
  • Page 36 1. Pull down the terminal block lever. Pull down the lever. 2. Pull off the terminal block. Pull off the terminal block. Note M3 screw and screw-less terminal blocks cannot be exchanged. Use the type of terminal block supplied with the TC Unit.

  • 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...
  • Page 38 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 EJ1G to fail.

  • Page 39: Wiring Precautions

    • Use crimp terminals when wiring the terminals. • Tighten the terminal screws to a torque of 0.40 to 0.56 N·m. • Up to two wires of the same size and same type or two crimp terminals can be inserted into a single terminal.
  • Page 40 Section 2-2 Wiring Terminals Wiring Procedure for There are two holes for each terminal. The hole on the right is the operating Screw-Less Clamp hole; the hole on the left is the wire hole. Terminals Insert a flat-blade screwdriver with a width of 2.5 mm into the operating hole and then insert the wiring into the wire hole.

  • Page 41: Control Outputs

    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 OUT4 OUT1 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 Communications • For communications with the host, connect communications across termi- nals B7 and B8 or terminals A7 to A9 on the HFU or connect across ter- minals 1 and 2 on the EDU. RDB (+) B (+)
  • Page 44 • The RS-485 connection can be either 1:1 or 1:N. RS-232C connections can only be 1:1. A maximum of 32 Units (including the host) can be con- nected in 1:N systems. The maximum total cable length is 500 m. Use AWG28 (cross-sectional area: 0.081 mm...
  • Page 45 SW 2 ERROR Set SW2 to 3 (57.6 kbps). Connect the black line with a white stripe to terminal 7 on the G3ZA and the black line with no stripe to terminal 8. Connect the G3ZA Connecting Cable to the...

  • Page 46: Using Tool Ports

    1. Turn ON the power supply to the EJ1G. Note Do not connect the E58-CIFQ1 while the power supply to the EJ1G is OFF. If the Cable is connected when the power to the EJ1G is OFF, power will be supplied from the computer and impose a load on the internal circuits of the EJ1G.

  • Page 47: Unit Configuration Examples

    Section 2-4 Unit Configuration Examples Unit Configuration Examples EJ1G-TC4 EJ1G-HFU EJ1C-EDU EJ1G-TC2 Port A (connector): USB connection can be made using the E58-CIFQ1 (sold separately). CX-Thermo for setting Port B is used for distributed placement. G3ZA G3ZA G3ZA...

  • Page 48: Connection Precautions

    • One HFU can control up to 16 TC4/TC2 Units. an HFU • The unit numbers of the TC4/TC2 Units can be set to between 0 and 31. • To connect 16 TC4/TC2 Units, Communications Cables must be used to distribute Unit positioning because the maximum number of Units that can be connected horizontally will be exceeded.
  • Page 49 The maximum number of Units that can be connected is sometimes limited to Connectable Units 16 or less, depending on the maximum number of channels per group and the types of Basic Unit used. Refer to the following table for information on the maximum number of connectable Units.
  • Page 50 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 51 EJ1G-TC4 EJ1C-EDU EJ1G-TC2 G3ZA Up to 8 G3ZA Power Controllers can be connected to one TC Unit. Restrictions on • Always connect the HFU on the left side of the TC4/TC2 Units. Connections and Incorrect Correct Placement EJ1G-TC4 EJ1G-HFU EJ1G-TC4...
  • Page 52 Section 2-4 Unit Configuration Examples • Do not connect an EDU directly to an HFU. Always connect the EDU to a TC4/TC2. Correct Incorrect EJ1G-TC4 EJ1C-EDU EJ1G-HFU EJ1G-HFU EJ1C-EDU EJ1G-TC2...
  • Page 53 Section 2-4 Unit Configuration Examples...

  • Page 54: Gradient Temperature Control Setup

    Adjusting Gradient Temperature Control ......Changing SPs During Operation........

  • Page 55: Setup Procedure

    • Select TC4 Units when not detecting heater burnout. Note A mixture of TC2 and TC4 Units can be used. Here, a total of 12 channels are required, so 6 TC2 Units are needed. 6 Units (x TC2 = 12 channels)
  • Page 56 Section 3-1 Setup Procedure Three-channel gradient control for 3 groups + 3 channels of PID control = 12 channels 2. Set the Communications Unit numbers. Set the Communications unit numbers as shown below. Communications Unit No. Note (a) The Communications unit numbers can be set between 0 and 31.
  • Page 57 (b) The control operation cycle will get longer if there are a lot of channels or groups performing gradient temperature control, which may affect control performance. Refer to Characteristics on...
  • Page 58 The HFU handles all of the operations for gradient temperature control and 2-PID control. The maximum number of enabled channels that can be con- trolled is selected at the HFU from 4, 8, 16, or 32 channels, and that num- ber of channels is allocated for the number of groups used.
  • Page 59 Not usable Not usable Note (a) The HFU can control up to 64 channels, but when the maximum number of enabled channels is a number other than 4, 8, 16, or 32 channels, non-usable channels result as shown in this exam- ple.
  • Page 60 The configuration is registered in the HFU. No configuration is registered when the product is shipped. Always register the configuration. If the correct configuration is not registered or if the con- figuration is not correctly detected, the Basic Unit channels detected by the HFU may be incorrect.
  • Page 61 Section 3-1 Setup Procedure • Read the Configuration Error A Status and check that there are no er- rors. • Read the Device B Status and check that bit 12 (Configuration Regis- tered) is OFF. d. Use the operation command to execute registration of Unit configura- tion.
  • Page 62 CH3 CH6 CH9 CH11 CH14 CH5 CH7 CH10 CH13 CH15 GT is executed when all groups are in STOP and AUTO modes. GT can also be executed for individual groups. a. Check that all groups are in STOP and AUTO modes.
  • Page 63 Uses 2-PID control and, therefore, does not need to be checked. b. Read the PV for all channels in groups for which GT is to be executed and wait for all values to stabilize. Note Correct tuning results will not be obtained if GT is started before the PV stabilize.
  • Page 64 An error will occur if a mixture of gradient temperature control and 2-PID con- trol is used and GT or AT is executed for all channels. Execute GT or AT for individual groups if a mixture of gradient temperature and 2-PID control is used.
  • Page 65 AT is executed when set to RUN and AUTO modes. AT can also be execut- ed for individual channels in a group. a. Check that the channels for which AT is to be executed are in RUN and AUTO modes.
  • Page 66 Heater Current Value Monitor - CH6 Group 2 0700 Heater Current Value Monitor - CH7 Heater burnout (HB) and SSR error (HS) alarms are detected by the Basic Unit. Make any fine adjustments to hysteresis and latch settings at the Ba- sic Unit.

  • Page 67: Adjusting Gradient Temperature Control

    The SP cannot be reached, how- ever, if the control balance coefficient is too small. In such cases, return to the default value of 0.8.

  • Page 68: Changing Sps During Operation

    Changing SPs During Operation Several channels are grouped together for control when gradient temperature control is used. Therefore, switch banks and change the SP for all channels if changing the SP during operation. Uniformity may be adversely affected if the SP is not changed for all channels in the gradient temperature control groups.
  • Page 69 Section 3-3 Changing SPs During Operation...

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

    Temperature Inputs ........

  • Page 71: 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...

  • Page 72: Temperature Inputs

    The input type must be set to thermocouple or infrared temperature sensor. 4-1-3 Analog Inputs When an analog input is selected, scaling can be performed as needed by the control application. • The Scaling Upper Limit, Scaling Lower Limit, and Decimal Point Position parameters are used for scaling.

  • Page 73: Input Filter

    If the Scaling Lower Limit > Scaling Upper Limit, the larger value will function as the Scaling Upper Limit. Setting Example In this example, scaling is set to display 0 to 5 V as 10.0% to 95.0%. Scaling Upper Limit = 950 Scaling Lower Limit = 100...

  • Page 74: Setting Output Specifications

    Group 2 (gradient) Group 4 (2-PID control) • If alarm 1 for channel 6 turns ON, output 3 from the TC2 Unit with com- munications unit number 3 turns ON. • If alarm 1 for channel 10 turns ON, output 4 from the TC2 Unit with com-...

  • Page 75: Setting Control Specifications

    Section 4-3 Setting Control Specifications Setting Control Specifications 4-3-1 Manipulated Variable (MV) MV at PV Error The MV will be 0% when an internal communications error (between the HFU and the TC4 or TC2 Unit) occurs.

  • Page 76: Detecting Current Errors

    Section 4-4 Detecting Current Errors Detecting Current Errors Set the Heater Burnout Hysteresis, Heater Burnout Latch, Heater Short Alarm Hysteresis, and Heater Short Alarm Latch parameters in the TC2 or TC4 Units. Refer to 5-5 Detecting Current Errors for details.

  • Page 77: Other Functions

    Basic Unit. If more than eight Units are connected, a configura- tion error will occur. 2. Turn ON pin 7 of SW2 on the Basic Unit, set SW2 on the G3ZA to 3 (57.6 kbps), and set SW1 on the G3ZA to between 0 and 7 (unit number).
  • Page 78 G3ZA. The G3ZA set values can be read and written by reading and writing that variable area. Refer to Parameter List on page 175 for details on the vari- able area for the G3ZA. Refer to the G3ZA Multi-channel Power Controller User’s Manual (Cat.
  • Page 79 G3ZA's “Source Channel.” Arithmetic operations can also be executed on each MV. !Caution If the MV is stored or calculated at the G3ZA and the G3ZA is turned ON before the EJ1G, the controlled variable produced at the G3ZA will be output (the output may not be 0.0%) until the EJ1G starts operating.
  • Page 80 Always use the G3AZ’s current error detection function to detect current errors for G3ZA outputs. The EJ1G current error detection function cannot be used. The G3ZA current error detection function can be used if a 4-channel Basic Unit is used.
  • Page 81 Section 4-5 Other Functions...

  • Page 82: Advanced Unit (Hfu) Functions

    Setting Output Specifications ........

  • Page 83: Setting Input Specifications

    Note The Decimal Point Position B parameter can be set only when op- eration is stopped. Example 1: When the TC4 or TC2 Unit input type is set to 10 (T type thermo- couple input, 199.9 to 400.0 C): Set the Decimal Point Position B parameter to 1 (***.*).
  • Page 84 • Input Shift 1 = Input Shift 2 = 1.2 Note It is not necessary to set the Input Value 1 for Input Correction or Input Value 2 for Input Correction parameters. Leave these parameters set to their default settings.
  • Page 85 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 86 Section 5-1 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...

  • Page 87: Setting Output Specifications

    Section 5-2 Setting Output Specifications Setting Output Specifications 5-2-1 Control Output Method The control output method is set in the TC4 or TC2 Unit. Refer to 4-2-1 Con- trol Output Method for details.

  • Page 88: Setting Control Specifications

    This parameter can be set only when operation is stopped. When this parameter has been changed, the new setting becomes effective the next time a software reset is performed for the Unit or the next time power is turned ON.

  • Page 89: Selecting The Control Method

    PID constants for all channels in the group. The method for adjust- ing PID is the same as for adjusting PID for 2-PID control. If the performance is still unsatisfactory, use the rules outlined in the following table to adjust the PID for the appropriate channel.
  • Page 90 PID Settings When the control characteristics are unknown, perform autotuning (AT). When AT is executed, the optimum PID constants for the set point at that time are set automatically. When the control characteristics are already known, the PID parameters can be set directly to adjust control.
  • Page 91 Setting Control Specifications • Integral action: This control action produces an output that is propor- tional to the time integral of the control error. An off- set normally occurs in proportional control, so proportional action is used in combination with inte- gral action.

  • Page 92: Setting The Set Point

    Note (1) Refer to 5-7-1 Bank Function for details on banks. Set the set point so that it is within the input range as well as the set point limiter range. If the set point is out-of-range, the internal set point actually used for con- trol will be limited to a value within the input range and set point limiter range.

  • Page 93: Setting The Sp Ramp

    SP Limiter range Internal SP (2) The SP is not changed, but the internal SP used for control is limited by the upper limit of the input range. (3) The decimal point position is the same as set for the Decimal Point Posi- tion B parameter.
  • Page 94 Note (1) This parameter can be set only when operation is stopped. (2) The function is stopped if this parameter is set to 0. The unit is determined by the setting of the SP Ramp Time Unit parameter. Refer to 5-7-1 Bank Function for details on banks.

  • Page 95: Setting The Manipulated Variable (Mv)

    SP Ramp Operation • The SP ramp operation will continue even if operation is switched to man- ual mode. • When control is stopped or an error occurs, the SP ramp function will be disabled. 5-3-5 Setting the Manipulated Variable (MV)
  • Page 96 5.0 to 105.0% Conditions for use No special conditions. The order of priority is as follows: Manual MV > MV at Stop > MV at PV Error. MV at PV Error This parameter sets the MV when an input error or remote SP input error occurs.

  • Page 97: Tuning

    Conditions for use No special conditions. Note Set the limits so that the MV Upper Limit > MV Lower Limit. If the MV Lower Limit > MV Upper Limit, the larger value will function as the MV Upper Limit. 5-3-6 Tuning...
  • Page 98 Natural Cooling Time. This will shorten the execution time for GT. GT Stabilization Band If the temperature of a channel increases by more than the value set for the GT Stabilization Band parameter after the output turns ON, the increase is treated as the effect of interference.

  • Page 99: Disturbance Overshoot Adjustment Function

    Note This parameter is disabled for 100% AT. 40% AT • The width of MV variation in the limit cycle can be changed with the Limit Cycle MV Amplitude parameter. In this case, autotuning will take longer to execute than it does with 100% AT.
  • Page 100 The recovery time from the disturbance can be made longer by increasing the Disturbance Time Constant. The Disturbance Time Constant is normally left at its default setting of 1. Use this parameter for fine-tuning when adjusting the Disturbance Gain alone is not sufficient.

  • Page 101: Operation During Errors

    This parameter can be set only when operation is stopped. When this parameter has been changed, the new setting becomes effective the next time a software reset is performed for the Unit or the next time power is turned ON.
  • Page 102 • If a programless link error occurs while the Operation During Error (Selec- tion A) parameter is set to 1 (MV at PV error): The value set for the MV at PV Error parameter for each channel is output for each channel.
  • Page 103 Section 5-3 Setting Control Specifications • If an input error occurs at channel 6 while the Operation During Error (Selection C) parameter is set to 2 (control stopped): Group 2 will change to STOP mode (control stopped). • If a zero-cross error has occurred at the G3ZA while the Operation During Error (Selection C) parameter is set to 2 (control stopped): Group 2 will change to STOP mode (control stopped).

  • Page 104: Setting Alarm Specifications

    Section 5-4 Setting Alarm Specifications Setting Alarm Specifications 5-4-1 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...

  • Page 105: Alarm Value

    D0/90 Alarm Value 1 to 3 (Bank) 1999 to 9999 EU (See note 2.) Conditions for use The alarm type must not be set to an upper and lower limit alarm. Variable type Parameter name Setting range Default D0/90...

  • Page 106: Standby Sequence

    5-4-4 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...

  • Page 107: Alarm Latch

    5-4-5 Alarm Latch The alarm latch can be used to keep an alarm ON once it goes ON. The latch can be released to turn OFF the alarm by executing an operation command (Latch Cancel or Software Reset). Refer to 6-4-11 Operation Com- mands for details on the operation commands.

  • Page 108: Channel Alarm Status

    Alarm 1 to 3 SP Selection 0: Ramping SP (Channel) 1: SP Conditions for use The alarm type must be set to a deviation alarm and the SP Ramp function must be enabled. Note This parameter can be set only when operation is stopped. 5-4-8 Channel Alarm Status The alarm status can be monitored.

  • Page 109: Detecting Current Errors

    Control output (heating) Note (1) In the above diagram, power is considered to be ON (normal) if the heater current is greater than the heater burnout detection current during the ON time. If the heater is burned out, the current measured at the current transformer decreases.
  • Page 110 1.0 A for heaters of less than 10.0 A, and at least 2.5 A for heaters of 10.0 A or more. If the heater current is too low, loop the load line several times through a CT, as shown in the diagram below.

  • Page 111: Heater Short Alarm (Hs Alarm)

    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 1.0 A for heaters of less than 10.0 A, and at least 2.5 A for heaters of 10.0 A or more. If the heater current is too low, loop the load line several times through a CT, as shown in the diagram below.
  • Page 113 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 114: 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 EJ1G by simply reading and writing to PLC memory. The EJ1G automatically performs communications with PLCs so no time-consuming communications programming is required.

  • Page 115: Checking Operation

    Serial Communica- A1SJ71QC24N-R2 RS-232C RS-232C tions Unit Note Direct connections to the EJ1G are possible only with RS-232C or RS-422. 5-6-2 Checking Operation Checking Operation This section describes how to check operation for the configuration shown with SYSMAC CS/CJ below.
  • Page 116 ) to pins 6 and 7 on the EDU port B if there are problems with communications noise resistance. Note Refer to Related Manuals on page xiv for the operating methods for SYSMAC CS/CJ-series CPU Units and Serial Communications Boards/Units.
  • Page 117 Unit No. (word address) (2) When using a communications port of the CPU Unit, start the CX-Pro- grammer and set the Host Link port settings in the PLC Settings. Be sure to transfer the settings to the PLC. (3) The same serial port on the CS/CJ-series Serial Communications Board/ Unit cannot be connected to both the EJ1G and an NS-series Program- mable Terminal.
  • Page 118 Set Value B Note When setting programless uploads and downloads, be sure that the words being used in PLC memory are not otherwise used in the program or by other devices. 4. Check operation. Turn OFF the power to the EJ1G and PLC and then turn the power back ON.
  • Page 119 Check the following items if the operation is incorrect. • Are the wiring and settings correct? • Was the power cycled once the EJ1G and PLC settings were completed? (The EJ1G settings are enabled only after the EJ1G is reset.)
  • Page 120 Turn ON pin 8 of SW2 to set RS-232C. • RS-422 EJ1G-HFU MELSEC-Q/QnAS Series RS-422 Signal Signal Shield SDB+ RDB+ RDB(+) SDB(+) RDA( ) RS-422 SDA( ) • Refer to the user’s manual if using a Communications Module for the QnAS Series.
  • Page 121 CH1 and Note (1) To set a different baud rate from that given above, refer to Baud Rate Set- ting on page 107 and change 0B. (2) Refer to MELSEC-QnAS Series on page 107 if using a Communications Module for the QnAS Series.
  • Page 122 1. Set the Read Request Bits allocated in PLC memory (D500) to 2. 2. Confirm that the Read Response Bits (D0) are set to 2. 3. Confirm that D4 and D5 are set to the channel 1 and channel 2 process values.

  • Page 123: Detailed Settings

    Check the following items if the operation is incorrect. • Are the wiring and settings correct? • Was the power turned OFF once the EJ1G and PLC settings had been completed? (The EJ1G settings are enabled only after the EJ1G is reset.) •...
  • Page 124 PLC memory, from the start address to the end code (00FF). Always set an end code at the end of linked data, because all 304 pieces of data will be linked if there is no end code.
  • Page 125 Reset the EJ1G to enable settings. Programless Communications Upload/Download Data Area (Variable Type: F0/B0) Used to set the area in PLC memory that will be allocated to the parameters set with the Programless Upload/Download Settings. Set this parameter according to the Programless Communications Protocol.
  • Page 126 Programless Communications Programless Communications Upload/Download Start Address (Variable Type: F0/B0) Used to set the start address in the memory area set as the Programless Communications Upload/Download Data Area for the parameters set as the Programless Upload/Download Settings. • The parameters will occupy the amount of PLC memory set in the Pro- gramless Upload/Download Settings from the address set as the Pro- gramless Communications Upload/Download Start Address.
  • Page 127 Section 5-6 Programless Communications • This time will differ, depending on the PLC cycle time. Consider the PLC system configuration and allow sufficient margin when setting the response wait time. Communications will not be normal if this setting is too short.
  • Page 128 115.2 kbps (See note.) Note If both channel 1 and channel 2 are used, make sure that the total baud rate for both channels is 115.2 kbps or less. Note (a) If settings other than those listed above are made, make the same settings on the EJ1G.

  • Page 129: Description Of Operation

    Example: Changing a Single Action to a Multi Action 1,2,3... 1. For a single action, the Response Bits are set to the single action value, 0001. Note The Request Bits cannot be changed directly to 0002 because the setting will not be accepted.
  • Page 130 1. The PLC sets the Request Bits. 2. The EJ1G performs a single action. 3. The EJ1G sets the Response Bits to the same value as the Request Bits. 4. The PLC clears the Request Bits. 5. The EJ1G clears the Response Bits.
  • Page 131 Programless Communications Operation Procedure Monitor Once the PLC sets the value of the Read Request Bits, the EJ1G 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 132 XXXX 3. The EJ1G refreshes the monitor value. When the Read Request Bits are set (step 1), steps 2 and 3 performed automatically. • Read Settings With the normal monitor operation, the value set under Programless Up- load Setting is read to the upload data area in PLC memory. With the Read...
  • Page 133 Command Code Set value XXXX Monitor Values If the monitor value has a decimal point, keep the decimal point in mind when handling the monitor value. Example: monitor value 03E8H or 1000 100.0 The set value in the EJ1G will not change even if the monitor value is changed.
  • Page 134 Programless Communications Setting Changes To change EJ1G settings from the PLC, first change the values in the Down- load Area in the PLC memory and then set the Setting Change Request Bits. The EJ1G will then read the Download Area in the PLC memory and change the corresponding settings.
  • Page 135 YYYY 2. The EJ1G clears the Setting Change Response Bits. Note (1) Always set the Setting Change Request Bits last. If the Setting Change Request Bits are set before the set value is changed, an unexpected value will be written.
  • Page 136 Section 5-6 Programless Communications Set Values • If the set value contains a decimal point, omit the decimal point and set the value. Example:100.0 1000 or 03E8H: set value • When changing set values, always set a new value within the setting range.
  • Page 137 Time Check point Meaning Port C Send Wait Time Reduce the setting to reduce the communications wait time. Programless Upload/ Reduce the volume of communications data by reducing the Download Settings number of set values. This may reduce the communications time.

  • Page 138: Operation Command Codes For Programless Communications

    Manual 3008 Auto 3408 GT Execute 4408 GT Execute 4808 Any channel between 1 and 64 or all channels can be selected. Structure of Operation Command Bit position Meaning Codes for Not used. (3 bits) Programless Related information (2 bits)
  • Page 139 (1) 000000: Backup 000001: RAM (2) 000000: CH1 000001: CH2 ··· 111111: CH64 (3) 000000: Reset 000001: Register (4) 0: For channels specified in the related information 1: All channels Example: Operation Command Code to execute Run for channel 1 of Unit No. 1...
  • Page 140 Section 5-6 Programless Communications Sample Operation Command Codes for Programless Communications *1: All Units specified. Command Channel Operation Command code Unit specification Not used. code command code Channel 1 H' 2800 Channel 2 H' 2810 Channel 3 H' 2820 Channel 4...

  • Page 141: Programless Communications Errors

    • An attempt was made to change a setting for which changes are prohib- ited. Example: An attempt was made to change the SP during autotuning. In the above cases, the Response Bits will be set to the following error values. Bits...

  • Page 142: Other Hfu Functions

    • Proportional Band • Integral Time • Derivative Time • SP Ramp Rise Value • SP Ramp Fall Value • Alarm Value 1 to 3 • Alarm Upper Limit Value 1 to 3 • Alarm Lower Limit Value 1 to 3 The currently selected bank's parameters can be read or written by reading or writing the “Present Bank”...

  • Page 143: Event Inputs (Tc2)

    This parameter can be set only when operation is stopped. When this parameter has been changed, the new setting becomes effective the next time a software reset is performed for the Unit or the next time power is turned ON.

  • Page 144: Auxiliary Output Allocations

    The Temperature Controller Error output will turn ON when any Controller Error bit between bit 0 and bit 13 is ON in the Device A Status. It can be used to output EJ1G error status. Refer to Status Lists on page 188 for details on Device A Sta- tus.
  • Page 145 Other HFU Functions Section 5-7...

  • Page 146: Communications (Compoway/F)

    Send Data Wait Time ........

  • Page 147: Communications Settings

    For parameters that set ranges with upper and lower limits, the specifica- tions now allow the upper and lower limits to be reversed. Refer to 5-3-3 Setting the Set Point, and MV Limiter on page 75 in Section 4 Basic Units (TC4/TC2) before using the EJ1G.

  • Page 148: Unit Number Setting

    6-1-4 Send Data Wait Time 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 EJ1G is the time from after a response has been created after data has been received until the EJ1G switches to sending.

  • Page 149: Frame Configuration

    This code indicates the beginning of the communications frame. Always set to 02H. Unit No. • Set the unit number that is set on SW1 and SW2 on the EJ1G. • Specify “XX” for a broadcast transmission. No responses will be returned for broadcast transmissions.

  • Page 150: Response Frame

    Format error The FINS-mini command text contains characters other than 0 to 9 and A to F. For details on the echoback test, refer to 6-4-10 Echoback Test. SID and the FINS-mini command text are not included. Sub-address error The sub-address is not included.

  • Page 151: 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 152: Communications Data

    Note G3ZA set values can be read from the Basic Unit connected to the G3ZA. The Basic Unit has variables for use with the G3ZA. The G3ZA set values can be read and written by reading and writing these variables.

  • Page 153: Detailed Description Of Services

    0000 Normal completion Processing was completed normally. 5. Precautions • “0” is set when an address with no data set is read. • If the start address + number of elements exceeds FFFF, the address returns to 0000.

  • Page 154: Write To Variable Area

    Read-only error An attempt was made to write to a read-only vari- able. 7011 Operation error (7011) The command cannot be executed due to a device error. 7013 Operation error (7013) The command cannot be executed because the operation command cannot be received.

  • Page 155: Composite Read From Variable Area

    Read data type No. of elements 8 or 4 The read data is read together with the variable type, in the order specified in the command. 1. Variable Type and Read Address Refer to Parameter List on page 175. Composite reads cannot be performed for the DA/9A variable types.

  • Page 156: Composite Write To Variable Area

    Section 6-4 Detailed Description of Services 6-4-4 Composite Write to Variable Area This service writes in order the contents of specified addresses to a variable area. Command Service Request PDU Variable Write address Write data position type No. of elements...

  • Page 157: 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 158: Composite Read Registration

    Composite reads/writes cannot be registered for the DA/9A variable types. 2. Bit Position The EJ1G 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 159: Composite Read Registration Confirmation

    Section 6-4 Detailed Description of Services 6-4-7 Composite Read Registration Confirmation This service reads the contents of the registration for a composite read from a variable area. Command Service Request PDU Response Service Response PDU Read address Bit Response Variable...

  • Page 160: Controller Attribute Read

    2. Buffer Size The communications buffer size is expressed in 2-byte hexadecimal, and read after being converted to 4-byte ASCII. The buffer size is the smaller of the send and receive buffer sizes. 3. Response Codes Response code Error name...

  • Page 161: 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...

  • Page 162: 6-4-10 Echoback Test

    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. Communications data length Test data 8 bits ASCII H'20 to H'7E and H'A1 to H'FE...

  • Page 163: 6-4-11 Operation Commands

    Detailed Description of Services Section 6-4 6-4-11 Operation Commands The following functions are executed using operation commands. • Write Mode • Software Reset • Run • Stop • Manual • Auto • GT Execute • GT Cancel • AT Execute •...
  • Page 164 • When the RUN/STOP parameter is set to RUN • When the AUTO/MANUAL parameter is set to MANUAL • When GT is executed for a channel other than the initial channel in the group • When an input error occurs for any channel in the target group •...
  • Page 165 • When AT Execute/Cancel is specified for a GTC group • Bank 0 Change to Bank 3 Change Switches between banks 0 to 3. Refer to 5-7-1 Bank Function for details on banks. An operation error will occur if GT or autotuning is already being per- formed for a specified channel.
  • Page 166 Section 6-4 Detailed Description of Services cute/Cancel are switched too quickly. Allow an interval of at least 1 second when switching control operation continuously. 2. Response Codes Response code Error name Cause 1001 Command too long The command is too long.
  • Page 167 Section 6-4 Detailed Description of Services...

  • Page 168: Errors And Error Processing

    Temperature Control Errors ........

  • Page 169: Things To Check First

    EJ1G, then correct the error. from the status. Determine the error from If the cause of the error is still not clear after checking all these items, infer the the current situation. cause from the current situation and try countermeasures.

  • Page 170: Determining Errors From Indicators

    Refer to the G3ZA User’s Manual (Cat. No. G3ZA (Basic Units only). Z200) and take the required countermeasures. In addition to the above, the status of the following indicators can be used to determine the cause of and countermeasures for errors. TC4/TC2...
  • Page 171 ERR and ALM indicators. There is an input error. Check the wiring for the input to be sure it is wired correctly, not broken, and not shorted. Also check the input type.

  • Page 172: Determining The Error From The Status

    The EJ1G status can be checked by using communications to read the Sta- tus. 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 173 Output Status 4002 Channel Alarm Status - CH64 0013 Device Status B 4003 Internal Set Point - CH64 Not used. 0020 Version Note Refer to Status Lists on page 188 for information on bit data and details for individual statuses.
  • Page 174 Bits 8 to 11: Not used. C4/84 0102 (CH 1) Bits 12 to 15: Not used. C4/84 0202 (CH 2) * CH2 to CH4 are the same as CH1. Bit 3 Not used. C4/84 0302 (CH 3) C4/84 0402 (CH 4)
  • Page 175 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...
  • Page 176 Section 7-3 Determining the Error from the Status 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.
  • Page 177 Bit 14 Control Group Setting Error Bit 15: Not used. Configuration Error B Status C4/84 0003 Bit 0 to 15: Basic Unit 1 to 16 Error C4/84 0101 (CH1) to 4001 (CH64) Bit 2 Channel Error C4/84 000B Error Channel A Status...
  • Page 178 Bits 8 to 10: Not used. Bit 11 Lower-level I/O Alarm Basic/Expand Units Error Status C4/84 000F Bits 0 to 15: Basic Units 1 to 16 Error Bit 12: Not used. Bit 13 Lower-level I/O Alarm Basic/Expand Units Alarm Status C4/84...

  • Page 179: Determining The Error From The Current Situation For Communications Errors

    Section 7-4 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 EJ1G.
  • Page 180 Section 7-4 Determining the Error from the Current Situation for Communications Errors Status Possible cause Countermeasure Cannot connect online There is no power supply to Supply power from the EDU power the EJ1G. supply terminal. There is no power supply to...
  • Page 181 Section 7-4 Determining the Error from the Current Situation for Communications Errors Status Possible cause Countermeasure The EJ1G does not appear in There is no power supply to Supply power from the EDU power the CX-Integrator's Compo- the EJ1G. supply terminal.
  • Page 182 Section 7-4 Determining the Error from the Current Situation for Communications Errors Programless No Programless Communications between the PLC and the EJ1G Communications Status Possible cause Countermeasure No communications between There is no power supply to Supply power from the EDU power the PLC and the EJ1G.
  • Page 183 Section 7-4 Determining the Error from the Current Situation for Communications Errors G3ZA Use the following table when the EJ1G cannot communicate with an G3ZA connected to it. Status Possible cause Countermeasure Communications are Power is not supplied to the...

  • Page 184: Determining The Error From The Current Situation For Temperature Measurement Errors

    Platinum resistance thermometers: 1. Connect a 100 resistor between thermometer input terminals A and B and short B and B. 2. The EJ1G is working if the measured temperature is 0.0 C or 32.0 F. Thermocouples: 1. Short the thermometer input terminals.

  • Page 185: Determining The Error From The Current Situation For Temperature Control Errors

    • Replace with a better quality heater. The heater's heating capacity is insufficient. • Replace with a heater with a bigger heating capacity. • If more than one heater is used, check for burnt out heaters and replace if necessary. An overheating protection device is operating.
  • Page 186 The overlap band in the heating and cooling control is set to • Set to an overlap band. a dead band by mistake. Hunting The troubleshooting items for connection and setting problems are the same as for overshooting and under- shooting, above. Possible cause Countermeasure Procedure The heater's heating capacity is too large for the heating •...

  • Page 187: Determining The Error From The Current Situation For Output Errors

    • Set the correct bank. A bank specification for all channels has been assigned to • Assign the bank of the channel for which the bank is to be an event input, and an unintended bank has been selected. changed to an event input.

  • Page 188: 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 189 Section 7-8 Determining the Error from the Current Situation for Heater Burnout Alarm Errors...

  • Page 190: Appendix

    Characteristics ........

  • Page 191: Specifications

    Detection is also sometimes not possible if a contactor is used for the control output. (2) A heater short is not detected if the control output (heating) OFF time is 100 ms or less. Detection is also sometimes not possible if a contactor is used for the control output.

  • Page 192: Characteristics

    PLII: (±0.5% of indication value or ±2°C, whichever is greater) ±1 digit max. The indication accuracy of K, T and N thermocouples at a temperature of 100°C or less, and U and L thermocouples at any temperature is ±2°C ±1 digit maximum.

  • Page 193: 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 EJ1G is 100 A. Dimensions E54-CT1 E54-CT3 2.36 dia.

  • Page 194: Ascii Table

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

  • Page 195: Sensor Input Ranges

    0 to 10 V • Applicable standards by input type are as follows: K,J,T,E,N,R,S,B: JIS C1602-1995 Fe-CuNi, DIN43710-1985 Cu-CuNi, DIN43710-1985 W5Re/W26Re, ASTM E988-1990 PLII: According to Platinel II Electromotive Force Table by Engelhard Corp. JPt100: JIS C1604-1989, JIS C1606-1989 Pt100: JIS C1604-1997, IEC751...

  • Page 196: 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)
  • Page 197 H' 00000000 to H' 00000003 (0 to 3) Not used. 0200 Process Value - CH2 The rest are the same as channel 1. Note: The Remote SP Monitor - CH2 parameter is supported only by the TC4. 4000 Process Value - CH64 Variable Category Add-...
  • Page 198 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 H' 00000000 to H' 000003E8 (0.0 to 100.0)
  • Page 199 Bank 0 Set Point - CH64 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 B parameter setting. In this case, however, the 0...
  • Page 200 Bank 2 Set Point - CH64 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 B parameter setting. In this case, however, the 0...
  • Page 201 H' FFFFF831 to H' 0000270F ( 1999 to 9999) BANK 010E Present Bank Alarm Upper Limit Value 1 - CH1 H' FFFFF831 to H' 0000270F ( 1999 to 9999) BANK 010F Present Bank Alarm Lower Limit Value 1 - CH1 H' FFFFF831 to H' 0000270F ( 1999 to 9999)
  • Page 202 0400 Input Digital Filter - CH64 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 B parameter setting. In this case, however, the 0 (****) decimal point position setting will be treated as a setting of 1 (***.*).
  • Page 203 G3ZA6 - CH1 Slope 0700 G3ZA7 - CH1 Slope 0800 G3ZA8 - CH1 Slope Note Valid after a Software Reset operation command or after power is turned ON. Refer to the G3ZA Multi- channel Power Controller User’s Manual (Cat. No. Z200).
  • Page 204 Temperature Unit - CH1 H' 00000000: C (0) H' 00000001: F (1) 0102 Scaling Upper Limit - CH1 H' FFFFF831 to H' 0000270F ( 1999 to 9999) 1000 0103 Scaling Lower Limit - CH1 H' FFFFF831 to H' 0000270F ( 1999 to 9999)
  • Page 205 4000 Alarm 1 Type - CH64 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 B parameter setting. In this case, however, the 0 (****) decimal point position setting will be treated as a setting of 1 (***.*).
  • Page 206 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 --- while stopped.
  • Page 207 H' 00000002: Control Stop (2) Not used. 0004 Operation During Error (Selection C) The rest are the same as Operation During Error (Selection A). 0005 Operation During Error (Selection D) The rest are the same as Operation During Error (Selection A).
  • Page 208 H' 00000040: Channel 2: The same as channel 1. (64) H' 00000800: Channel 64: The same as channel 1. (2048) 0011 Auxiliary Output 2 Assignment The rest are the same as Auxiliary Output 1 Assignment. 21 0012 Auxiliary Output 3 Assignment 0013 Auxiliary Output 4 Assignment...

  • Page 209: Status Lists

    Appendix Status Lists Status Lists Use the Status listed in the following tables to check EJ1G 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 210 Refer to Basic Unit/Expand Unit Error Status. Bit 12 I/O Alarm No error Error There is an I/O alarm. Refer to I/O Alarm A Status and I/O Alarm B Status. Bit 13 Lower-level I/O Alarm No error Error An alarm has occurred in the connected G3ZA.
  • Page 211 There is an error in communications with the G3ZA. Bit 4 Expand Unit Connec- No error Error A communications response has not been received tion Fault from a G3ZA after it was registered in the configura- tion. Bit 5 Not used. Bit 6 Not used. Bit 7 Not used.
  • Page 212 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 nications Error G3ZA2.
  • Page 213 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 214 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. Bit 2 Not used. Bit 3 Not used. Bit 4...
  • Page 215 Bit position Status Bit description Meaning Bit 0 Expand Unit 1 Alarm The G3ZA1 has a heater burnout, overcurrent, or SSR short circuit. Bit 1 Expand Unit 2 Alarm The G3ZA2 has a heater burnout, overcurrent, or SSR short circuit.
  • Page 216 Bit description Meaning Bit 0 Not used. Bit 1 Save RAM 2 No error Error Power was turned OFF while saving RAM2 and not all data was registered. Bit 2 Not used. Bit 3 Registration of unit con- No error Error...
  • Page 217 Bit 9 Not used. Bit 10 Not used. Bit 11 Not used. Bit 12 Not used. Bit 13 Not used. Bit 14 Not used. Bit 15 Scaling Reverse No error Error The upper and lower scaling limits are reversed. Operation...
  • Page 218 Bit 20 Write Mode Backup RAM write Write mode can be confirmed. Bit 21 EEPROM RAM = Can confirm whether or not the setting is registered EEPROM EEPROM in EEPROM. Bit 22 Not used. Bit 23 AT Execute/Cancel AT is AT execu- AT Execute/Cancel can be confirmed.
  • Page 219 There is an error in the device configuration. Refer to Configuration Error A Status. Bit 2 Channel Error No error Error There is an error in one of the channels. Refer to Error Channel A to D Status. Bit 3 External RAM Error at No error Error There is a memory error.
  • Page 220 Status Bit description Meaning Bit 0 Basic Unit 1 Error No error Error An error occurred in a TC2 or TC4 Unit after the configuration was registered. Bit 1 Basic Unit 2 Error No error Error Bit 2 Basic Unit 3 Error...
  • Page 221 Bit position Status Bit description Meaning Bit 0 Basic Unit 1 Communi- No error Error An error occurred in communications with the spec- cations Error ified Basic Unit. Bit 1 Basic Unit 2 Communi- No error Error cations Error Bit 2...
  • Page 222 Status Lists Error Channel A Status C4/84 000B Bit position Status Bit description Meaning Bit 0 No error Error An error occurred for the specified channel. Bit 1 No error Error Bit 2 No error Error Bit 3 No error Error...
  • Page 223 Error Channel C Status C4/84 000D Bit position Status Bit description Meaning Bit 0 CH33 No error Error An error occurred for the specified channel. Bit 1 CH34 No error Error Bit 2 CH35 No error Error Bit 3 CH36...
  • Page 224 A heater overcurrent occurred in the specified Basic Unit, or an HB/HS error occurred. Bit 1 Basic Unit 2 Alarm An HB, HS, or OC error occurred in the G3ZA. Bit 2 Basic Unit 3 Alarm Bit 3 Basic Unit 4 Alarm...
  • Page 225 Meaning Bit 0 Save RAM 1 No Error Error Power was turned OFF while saving RAM1 and not all data was registered. Bit 1 Save RAM 2 Power was turned OFF while saving RAM2 and not all data was registered.
  • Page 226 Bit 11 Basic Unit Alarm No Error Error A peak current overflow has occurred for the rele- vant channel or an HB or HS alarm has occurred. Bit 12 Set Point Limiter Out of No Error Error The set point is outside the set point limiter.

  • Page 227: Parameters That Can Be Allocated For Programless Communications

    Appendix Parameters That Can Be Allocated for Programless Communications 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...
  • Page 228 Appendix Parameters That Can Be Allocated for Programless Communications Function Parameter Attribute Upload Download Remarks Control Bank 0 to 3 Present Bank Proportional Band BANK Bank 0 to 3 Present Bank Integral Time BANK Bank 0 to 3 Present Bank Derivative Time...
  • Page 229 Appendix Parameters That Can Be Allocated for Programless Communications...

  • Page 230: Index

    C0 Status (TC4/TC2) Communications Writing Input error Address calculating input shift values Advanced Unit (HFU) xvii calculating the heater burnout detection current value alarm hysteresis calculating the heater short detection current value Alarm SP Selection CH (Channel) xvii alarm types...
  • Page 231 Write Mode Configuration Error A Status (TC4/TC2) Device B Status (TC4/TC2) Expand Unit Connection Fault Configuration Registered Expand Unit Failure Registration of unit configuration/Registration of multiple reads Too Many Expand Units Save RAM 2 Undefined Expand Units Device Error Status (HFU)
  • Page 232 Index EU (Engineering Unit) xvii I/O configuration event inputs (TC2) I/O Error Status (TC4/TC2) Main Input 1 Count Error Main Input 2 Count Error Main Input 3 Count Error Main Input 4 Count Error FINS I/O Notification A Status (TC4/TC2)
  • Page 233 100% AT Execute/Cancel 40% AT Execute/Cancel Alarm 1 to 3 Hysteresis Alarm 1 to 3 Latch Alarm 1 to 3 Open in Alarm OC (Heater overcurrent) xvii Alarm 1 to 3 SP Selection one-point shift Alarm 1 to Alarm 3...
  • Page 234 GT Natural Cooling Time Temperature unit GT Stabilization Band Temporary AT Execution Judgment Deviation HB Alarm parameters that can be allocated for programless communi- Heater Burnout 1 or 2 Detection cations Heater Burnout 1 or 2 Hysteresis PID constants Heater Burnout 1 or 2 Latch...
  • Page 235 (RUN) status lists stop control (STOP) SYSMAC CS/CJ Series xvii xvii temperature controller error temperature inputs temperature unit temporary AT execution judgment deviation terminal arrangement terminating resistance thermocouple twisted-pair cable two-point shift unit configuration examples unit number setting universal input...

  • Page 236: 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. H143-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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