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SECTION 3

Basic Operation

This section describes the basic operational flow of the E5ZD, including communications, memory bank operation, parame-
ter backup to nonvolatile memory, HB and HS alarm output operation, and fuzzy-logic control. The commands used to control
the E5ZD from a host computer are detailed in the next section.

3-1

Overview

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3-2

Communications

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3-2-1 Communications Procedure

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3-2-2 Block Format

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3-2-3 Communications Errors

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3-3

Memory Banks

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3-3-1 Memory Bank Structure

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3-3-2 Memory Bank Designations

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3-4

Parameter Backup

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3-5

HB and HS Alarms

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3-5-1 Theory of Operation

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3-5-2 Alarm Output Operation

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3-5-3 Precautions

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3-5-4 Application Example

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3-6

Fuzzy Control

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3-6-1

Control Configuration

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3-6-2

Operating Principles

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3-6-3

Application

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3-6-4

Fuzzy Parameters, Autotuning, PID Constants

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3-7

Features

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3-7-1

Fuzzy Parameters

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3-7-2

Affects of Fuzzy Parameters

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3-8

Adjusting Fuzzy Parameters

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Содержание E5ZD

Страница 1: ...Cat No Z042 E1 4 Multipoint Temperature Controller E5ZD ...

Страница 2: ......

Страница 3: ...E5ZD Multipoint Temperature Controller Operation Manual Revised November 1996 ...

Страница 4: ...iv ...

Страница 5: ... word and is abbreviated Wd in documentation in this sense The abbreviation PC means Programmable Controller and is not used as an abbreviation for any thing else Visual Aids The following headings appear in the left column of the manual to help you locate different types of information Note Indicates information of particular interest for efficient and convenient operation of the product 1 2 3 1 ...

Страница 6: ...vi ...

Страница 7: ...tures 62 3 8 Adjusting Fuzzy Parameters 64 SECTION 4 Commands and Responses 67 4 1 Overview 68 4 2 Temperature Control Commands All Controllers 71 4 3 Fuzzy Constant Commands Fuzzy logic Controllers Only 109 4 4 Global Read and Control Operations 111 4 5 Global Write Operations 114 SECTION 5 Transmission Times 119 5 1 Writing Times 120 5 2 Reading Times 120 SECTION 6 Troubleshooting 123 6 1 Troubl...

Страница 8: ......

Страница 9: ...or PC Section 4 describes each of the commands used to control E5ZD operation and the responses re turned by the E5ZD to indicate execution status Section 5 shows how to compute the time required to write data and have that data become effective in operation and the time required to read data Section 6 describes basic troubleshooting via lists of the possible causes and solutions to some common op...

Страница 10: ......

Страница 11: ...ition in a control system and provides basic warnings for handling installing and operation 1 1 Product Information 2 1 2 Features 2 1 3 Models Available 3 1 3 1 Sensors and Temperature Ranges 4 1 3 2 Current Transformer 4 1 4 Precautions 4 1 4 1 Handling Precautions 4 1 4 2 Installation Precautions 4 1 4 3 Operating Precautions 5 ...

Страница 12: ...an use an I O Relay Terminal High speed Processing The E5ZD features a maximum 0 5 second sampling time and a 16 bit CPU to reduce processing time Serial Communications The E5ZD is available with RS 232C RS 422 or RS 485 communications With RS 422 or RS 485 communications a single host computer can be used to con trol up to 16 E5ZDs Memory Banks For each controlled point there is a memory bank tha...

Страница 13: ...ertain models are also available with fuzzy logic control These are summarized in the following tables Standard Models Sensor input Connection No of points Heater burnout detection Communications Thermocouple Resistance thermometers Terminal block 4 No RS 232C E5ZD 4A01KJ E E5ZD 4A01P E RS 422 E5ZD 4A02KJ E E5ZD 4A02P E RS 485 E5ZD 4A03KJ E E5ZD 4A03P E Yes RS 232C E5ZD 4H01KJ E E5ZD 4H01P E RS 42...

Страница 14: ...uracy would be either 1 F or 0 1 F 1 3 2 Current Transformer Either of the following models can be used for the Current Transformer depend ing on the desired hole diameter Hole diameter Model number 5 8 mm E54 CT1 12 0 mm E54 CT3 1 4 Precautions The following precautions are provided here for your convenience Be sure to abide by these precautions whenever working with the E5ZD 1 4 1 Handling Preca...

Страница 15: ...rate and store the E5ZD in an environment free from icing condensation dust dirt corrosive gases particularly sulfuric or ammonia gas excessive vi bration excessive shock water grease and oil Do not operate or store the E5ZD where subject to extreme temperature changes or dissipating heat e g from a furnace Never place so much weight on the E5ZD that it will deform or otherwise change whether in s...

Страница 16: ...ange and a setting error will be generated After changing DIP switch settings you should re initialize E5ZD settings clear setting errors and make settings within the correct range and write the values into nonvola tile memory using the WE command The inputs used to designate the current memory bank are level inputs and must retain their status to maintain the same memory bank designation Do not l...

Страница 17: ...m quickly The following OMRON power supplies are recommended Input voltage Capacity Output current Open Construction Models Models with Covers 100 V 25 W 1 1 A S82J 0224 S82J 5224 50 W 2 1 A S82J 0524 S82J 5524 200 V 25 W 1 1 A S82J 2224 S82J 6224 50 W 2 1 A S82J 2524 S82J 6524 The E5ZD s alarm 1 alarm 2 HB alarm HS alarm temperature controller error alarm and cooling control outputs for the heati...

Страница 18: ......

Страница 19: ...2 2 Connector Allocations and Wiring 26 2 2 3 Terminal Blocks 30 2 2 4 Communications Interfaces 31 2 2 5 Switch Settings 31 2 2 6 Indicators 33 2 3 E5ZD 8HjjM E Hardware 34 2 3 1 E5ZD 8HjKJM E System Configuration 34 2 3 2 E5ZD 8HjPM E System Configuration 36 2 3 3 Component Names and Functions E5ZD 8HjjM E 38 2 3 4 Connector Allocations and Wiring 39 2 3 5 Terminal Blocks for Sensors 44 2 3 6 Te...

Страница 20: ...n the next two sections The following diagram shows the external appearance and dimen sions of the 4 and 6 point controllers 210 180 175 20 7 34 6 2 76 20 180 100 100 34 1 6 280 a b c 6 2 C4 Component height 35 max Mounting hole Eight 3 5 dia SW5 SW4 SW3 SW2 SW8 SW7 CN2 CN1 CN6 CN4 TB1 CN3 Component height 7 max Card puller 40 24 99 74 95 47 04 5 55 88 9 125 138 9 88 9 274 E5ZD 4jjj E 6jjj E Hardw...

Страница 21: ...on of this Terminal Block can be removed by loosening the screws on both ends To re install that section alternately tighten the screws little by little Switches The power must be turned off before changing any switch settings Changes made while the power is on will be invalid SW2 Is used to set the unit number that is used to identify the E5ZD during communi cations SW3 Is used to set the baud ra...

Страница 22: ...e E5ZD 4 6jjj E with screws be sure to insert a screw to each of the eight mounting holes on the Unit and secure them tightly otherwise the Unit cannot maintain proper vibration and shock resistance 2 1 2 Indicators The indicators show the I O status of the 4 and 6 point controllers Their positi ons and specific meanings are provided below 1 2 3 11 10 9 12 16 13 6 7 4 8 14 5 15 17 19 18 E5ZD 4jjj ...

Страница 23: ...not lit None of the above 17 Power supply monitor Power supply ON Power supply OFF 18 Reception monitor E5ZD receiving E5ZD not receiving 19 Transmission monitor E5ZD transmitting E5ZD not transmitting Note 1 This type of error would be a framing error a parity error or an overrun error 2 AT Autotuning 2 1 3 Connector Allocations and Wiring Allocations and wiring guidelines for CN1 CN2 and the Ter...

Страница 24: ...t 4G CTRL5G Point 5 control output 5G Power Supply Terminals Power is supplied to the 4 and 6 point controllers through the DC and DC ter minals Connect the DC terminals to 24 VDC the DC terminals to 0 VDC The rated voltage 21 6 to 26 4 V must be supplied to the DIN connector on the E5ZD these are not switching power supply terminals To ensure activation of the power supply it is necessary that at...

Страница 25: ...voltage outputs or as open collector outputs In either case a diode must be included in the output cir cuit to protect the Unit s internal circuits Circuit Configuration Internal Circuit 14 V CRTLjA CRTLjB CRTLjG 0 V This terminal is a common ground terminal connected internally to the CRTLjG ground terminals in the E5ZD 4 6jjj E Voltage Outputs CRTLjA CRTLjB SSR relay Output voltage 12 1 2 VDC Ou...

Страница 26: ...e also not used Terminal Row a bottom Row b top Name Function Name Function 1 ALARM1G Alarm output 1 ALARM1 Alarm output 1 2 ALARM2G Alarm output 2 ALARM2 Alarm output 2 3 to 14 Not used Not used 15 HBALMG HB alarm output HBALM HB alarm output 16 HSALMG HS alarm output HSALM HS alarm output 17 Not used Not used 18 TCTRBLG Error output TCTRBL Error output 19 to 21 Not used Not used 22 SG RS 422 SG ...

Страница 27: ...ng screw 2 4 6 8 10 12 14 16 18 20 1 3 5 7 9 11 13 15 17 19 A B B A B B A B B A B B A B B A B B Point 3 Point 4 Point 5 Point 0 Point 1 Point 2 Connecting Terminals Do not over tighten terminal screws When using crimp type terminals use those designed for M3 5 screws M3 5 x 8 self rising terminal screws are used When using soldered wire tips connection is facilitated by the self rising screws expo...

Страница 28: ...int Transmission method Half duplex Sync Start stop asynchronous Baud rate 150 300 600 1 200 2 400 4 800 or 9 600 bps set via DIP switch Error detection Vertical parity and frame check sequence FCS Interfaces RS 232C RS 422 or RS 485 Character length 7 bit ASCII Stop bits 2 Parity check Even Terminal definition Data terminal equipment DTE Data structure As shown below Mark Space Idle Start bits Da...

Страница 29: ...lded cable LT1081CN or equivalent Sync clock Internal Transmission length 15 m max OMRON s RS 232C optical interface Z3RN can be used for longer transmissions Applicable connectors Plug XM2A 2501 hood XM2S 2511 OMRON or equivalent Connections 1 1 only when connecting directly between the host computer and the E5ZD with RS 232C Caution The E5ZD s RS 232C does not support a CD carrier detect signal ...

Страница 30: ...mputer RS 422 E5ZD RS 422 MC34050 or equivalent 4 7 kΩ 4 7 kΩ TX RX Termination resistance 220 Ω SWB SWA 220 Ω Termination resistance E5ZD RS 422 Termination resistance Termination resis tance 220 Ω can be set via SWA and SWB Termination resistance terminator must be 100 Ω or greater Sync clock Internal Transmission length 500 m total max Terminator switches E5ZD 4 6j02j E SWB corresponds to SW8 E...

Страница 31: ...e catalog or to the Link Adapter operation manual 1 2 3 4 5 6 7 8 20 1 2 3 4 5 6 7 8 20 7 1 3 5 6 9 7 1 3 5 6 9 7 1 3 5 6 9 7 1 3 5 6 9 1 3 5 6 9 7 1 3 5 6 9 RS 232C RS 422 RS 422 RS 422 RS 232C RS 422 RS 232C Host system Personal computer 3G2A9 AL004 Link Adapter Converting 3G2A9 AL001 Link Adapter Branching 3G2A9 AL001 Link Adapter Branching E5ZD jj02jj E E5ZD jj02jj E E5ZD jj02jj E RS 422 RS 48...

Страница 32: ...set via SWB 220Ω Termination resistance terminator Termination resistance Sync clock Internal Transmission length 500 m total max Terminator switches E5ZD 4 6j03j E SWB corresponds to SW8 E5ZD 8j03j E SWB corresponds to SW508 E5ZD 8H03jM E SWB corresponds to SW508 Applicable connectors Plug XM2A 0901 hood XM2S 0911 OMRON or equivalent Connections Up to 1 16 Caution Outputs circuits and contact inp...

Страница 33: ...g 0 1 2 3 4 5 6 7 to 9 Baud rate 150 300 600 1 200 2 400 4 800 9 600 Not allowed Sensor Specifications SW4 Set pins 1 and 2 of SW4 to establish the type of sensor and the temperature range Leave pins 3 and 4 OFF All pins are set to OFF at the factory For E5ZD 4jjP E E5ZD 6jjP E pin 1 is set to ON at the factory The Celsius Fahrenheit setting is made on SW5 SW 4 ON OFF E5ZD 4 6jjKJ E Pin Function O...

Страница 34: ...ommunications from the host computer If pin 2 is set to ON before power is turned ON the status of the BANK0 BANK1 BANK2 and ING termi nals will determine the current memory bank If pin 2 is OFF the current memory bank will be determined according to commands sent from the host computer Pin 3 Determines whether Fahrenheit or Celsius is to be used Fahrenheit and Cel sius can be manually converted v...

Страница 35: ...CN501 SW302 TB302 2 C4 Component height 40 max CN302 CN301 TB301 SW508 SW507 SW503 SW502 SW501 Eight mounting holes 5 2 dia Eight mounting holes 3 5 dia Card puller Component height 7 max Connectors CN301 Contains the power supply terminals the memory bank input terminals and the control output terminals for an 8 point Controller without heater burnout detec tion The OMRON DIN compatible connector...

Страница 36: ...et the type of sensor being used i e either K or J for thermocouples and either Pt100 or JPt100 for platinum resistance thermometers and the con trol temperature range SW503 Is used to set the functions that determine E5ZD 8HjjjM E operation These include selection of either normal operation or the communications test loop back test communications or inputs designating the current memory banks the...

Страница 37: ...tput 1G 24 CTRL2A Point 2 control output 2A CTRL3A Point 3 control output 3A 25 CTRL2B Point 2 control output 2B CTRL3B Point 3 control output 3B 26 CTRL2G Point 2 control output 2G CTRL3G Point 3 control output 3G 27 CTRL4A Point 4 control output 4A CTRL5A Point 5 control output 5A 28 CTRL4B Point 4 control output 4B CTRL5B Point 5 control output 5B 29 CTRL4G Point 4 control output 4G CTRL5G Poin...

Страница 38: ...d DC terminals Connect the DC terminals to 24 VDC the DC terminals to 0 VDC The rated voltage 21 6 to 26 4 VDC must be supplied to the DIN connector on the E5ZD these are not switching power supply terminals To ensure activation of the power supply it is necessary that at least twice the rated current capacity be available when power is turned on Memory Bank Terminals The BANK0 BANK1 BANK2 and thr...

Страница 39: ...ither case a diode must be included in the output cir cuit to protect the Unit s internal circuits Circuit Configuration 14 V CRTLjA CRTLjB CRTLjG Voltage Outputs CRTLjA CRTLjB SSR Output voltage 12 1 2 VDC Output current 30 mA max Open Collector Outputs CRTLjB CRTLjG DC power Voltage 30 V max Current 50 mA max ON Residual voltage of 2 V max OFF Leakage current of 1 mA max 0 V Internal Circuits Lo...

Страница 40: ...5ZD 8jjKJ E Models Do not use terminals 5 6 11 12 17 18 and 23 through 26 Using these termi nals may result in internal damage so leave them open Terminal no Terminal no Terminal Block mounting screw Terminal Block mounting screw 1 3 5 7 9 11 13 15 17 19 21 23 25 2 4 6 8 10 12 14 16 18 20 22 24 26 Point 4 Point 5 Point 6 Point 7 Point 0 Point 1 Point 2 Point 3 E5ZD 8jjP E Models Do not use termina...

Страница 41: ... switch settings to be effective they must be made with the pow er to the E5ZD turned OFF i e the switch status is read only when the power is turned ON Unit Number SW302 Each E5ZD 8jjj E Temperature Controller is assigned a unit number to en able easy identification of the various Units during communications with the host computer The unit number from 0 to F is set using SW302 When multiple E5ZDs...

Страница 42: ...cuted is to be used If pin 1 is set to ON and then power is applied to the E5ZD the communications test mode will be used and the following character string will be sent continuously until the power is cut Reception should be confirmed at the host computer A loop back test will be conducted simultaneously to see whether the E5ZD can receive the transmitted data back again If it cannot receive the ...

Страница 43: ...ption If pin 4 is set to OFF operation will not automatically restart following power interruptions 2 2 6 Indicators The indicators show the I O status of the 8 point controllers Their positions and specific meanings are provided below 1 2 3 4 5 6 7 8 9 22 21 10 11 12 14 13 23 15 16 17 18 19 20 E5ZD 8jjj E Hardware Section 2 2 ...

Страница 44: ...er supply monitor Power supply ON Power supply OFF Note 1 During E5ZD 8jjj E CPU resetting the E5ZD will not operate and cannot communicate The reset indicator will light for approximately 1 second after the power is applied or after a malfunction due to a cause such as noise 2 This type of error would be a framing error a parity error or an overrun error 3 AT Autotuning 2 3 E5ZD 8HjjM E Hardware ...

Страница 45: ...XW2B 20G4 and XW2B 20G5 through type Terminal Blocks can be connected to obtain signals directly In a System with thermocouple input specifications E5ZD 8HjKJM E any of the Terminal Blocks or I O Relay Terminals shown inside of the dotted lines can be connected CN324 CN325 CN326 CN327 E5ZD 8HjKJM E Thermocouple input points 0 to 3 CT memory bank designation inputs Control outputs alarm outputs The...

Страница 46: ... CN325 is for sensor input from points 4 to 7 CN326 connects through type Terminal Blocks XW2B 20G4 or XW2B 20G5 Terminal Blocks can be used When E54 CT1 or E54 CT3 Current Transformers are used for detecting HB or HS alarms or memory bank designation input is executed with external contacts they are connected to the contacts CN327 connects I O Terminals or through type Terminal Blocks The I O Ter...

Страница 47: ...ZD 8HjPM E Platinum resistance ther mometer input points 0 to 3 CT memory bank designation inputs Control outputs alarm outputs Platinum resistance ther mometer input points 4 to 7 XW2B 20G4 XW2B 20G5 XW2B 20G4 XW2B 20G5 G7TC OC08 G7VC OC16 G7TC OC16 XW2B 20G4 XW2B 20G5 G79 jjjC connecting cable XW2B 20G4 XW2B 20G5 System Configuration with Platinum Resistance Thermometer Inputs E5ZD 8HjjM E Hardw...

Страница 48: ...ows the external appearance and dimensions of an 8 point Controller with heater burnout detection 210 190 180 175 110 100 30 20 7 34 6 2 76 20 30 100 110 180 190 280 274 88 9 138 9 125 115 6 15 24 99 1 6 SW508 SW507 SW503 SW502 SW501 CN327 CN326 CN325 CN324 CN301 CN502 a b c Eight mounting holes 5 2 dia Eight mounting holes 3 5 dia 35 max 7 max 2 C4 SW303 Component height Component height E5ZD 8Hj...

Страница 49: ...de while the power is on will be invalid SW303 Is used to set the unit number that is used to identify the E5ZD during communi cations SW501 Is used to set the baud rate for communications SW502 Is used to set the type of sensor being used i e either K or J for thermocouples and either Pt100 or JPt100 for platinum resistance thermometers and the con trol temperature range SW503 Is used to set the ...

Страница 50: ...DA RS 422 RDA 27 RDB RS 422 RDB RDB RS 422 RDB 28 to 32 Not used Not used CN324 and CN325 connect sensor inputs For thermocouple inputs only ther mocouple input Terminal Blocks E54 TR011 can be used Terminal E5ZD 8HjKMJ E E5ZD 8HjPM E CN324 CN325 CN324 CN325 Row a top Row b bottom Row a top Row b bottom Row a top Row b bottom Row a top Row b bottom 1 2 Point 3 Point 7 3 Point 3 Point 7 Point 1 B P...

Страница 51: ... alarm outputs HS alarm outputs and Temperature Controller error alarm outputs These are all open collector outputs Be careful when wiring the alarm outputs because there is no protection against excessive current The HB alarm output goes ON when the detected current falls below the set heater current The HS alarm output goes ON when the control output is OFF and current to the CT is 0 5 A or more...

Страница 52: ...nsistors or other no contact devices The memory banks designated by the various open closed combina tions of these terminals are shown in the following table Memory bank Bank 0 Bank 1 Bank 2 Bank 3 Bank 4 Bank 5 Bank 6 Bank 7 BANK0 ING Open Closed Open Closed Open Closed Open Closed BANK1 ING Open Open Closed Closed Open Open Closed Closed BANK2 ING Open Open Open Open Closed Closed Closed Closed ...

Страница 53: ...ts The connection methods of these outputs are the same as those of the open collector control outputs Caution Alarm and error outputs are not protected from excessive current flow and volt age exceeding 50 mA at 30 VDC be sure to wire them correctly to protect inter nal circuits from damage CT Inputs CT terminals are not polarity sensitive and may be connected as desired to the CT input terminals...

Страница 54: ...o leave them open 1 3 5 7 9 11 13 15 17 19 2 4 6 8 10 12 14 16 18 20 Point 3 Point 7 Point 0 Point 4 Point 1 Point 5 Point 2 Point 6 Terminal no Terminal no E5ZD 8HjPM E XW2B 20G4 or XW2B 20G5 Terminal Blocks can be used for E5ZD 8HjPM E platinum resistance thermometer inputs The diagram shows the terminal arrangement for a XW2B 20G5 but the num bers are the same for a XW2B 20G4 The point numbers ...

Страница 55: ...G7TC OC16 G7TC OC08 and G7VC OC16 I O Terminals do not have an in ternal power supply Connect the relay drive power supply to the plus and minus terminals Even if relays for 24 VDC are used noise resistance can be strength ened by providing separate power supplies to the E5ZD and the I O Relay Termi nal instead of providing them with a common power supply In addition provide a power supply at the ...

Страница 56: ... is 2 meters or more For the E5ZD 8HjKJM E the influence of the lead wire resistance on the dis play is 1 FS 100 Ω max For the E5ZD 8HjPM E it is 1 FS 5Ω max per line The influence of lead wire resistance on the E5ZD 8HjPM E is approxi mately 0 23 Ω for G79 100C cable 0 43 Ω for G79 200C cable and 1 01 Ω for G79 500C cable When G79 500C is used instead of G79 200C the difference can be found by me...

Страница 57: ... The unit number between 0 and F is set using SW303 When multiple E5ZDs are connected to the same host computer the same unit number must not be set for more than one E5ZD The unit number is set to 0 at the factory Baud Rate SW501 The baud rate determines the transmission speed for communications with the host computer The host computer must be set to the same baud rate as the E5ZD for communicati...

Страница 58: ...hether the E5ZD can receive the transmitted data back again If it cannot receive the data back just as it was transmitted a Temperature Controller alarm output will turn ON E5ZDĆCopyrightĆ1991ĆOMRONĆCorporations carriage return Pin 2 Pin 2 determines whether the current memory bank is to be set according to in put status or via communications from the host computer If pin 2 is set to ON before pow...

Страница 59: ...ors The indicators show the I O status of the 8 point controllers Their positions and specific meanings are provided below 1 2 3 4 5 6 7 8 9 21 22 10 11 12 13 14 23 24 20 19 18 17 16 15 E5ZD 8HjjM E Hardware Section 2 3 ...

Страница 60: ...utput OFF 11 HS alarm output Output ON Output OFF 12 HB alarm output Output ON Output OFF 13 Alarm 2 output Output ON Output OFF 14 Alarm 1 output Output ON Output OFF 15 Point 0 control output Output ON Output OFF 16 Point 1 control output Output ON Output OFF 17 Point 2 control output Output ON Output OFF 18 Point 3 control output Output ON Output OFF 19 Point 4 control output Output ON Output O...

Страница 61: ...tions Procedure 52 3 2 2 Block Format 53 3 2 3 Communications Errors 53 3 3 Memory Banks 54 3 3 1 Memory Bank Structure 55 3 3 2 Memory Bank Designations 55 3 4 Parameter Backup 56 3 5 HB and HS Alarms 58 3 5 1 Theory of Operation 58 3 5 2 Alarm Output Operation 58 3 5 3 Precautions 58 3 5 4 Application Example 59 3 6 Fuzzy Control 60 3 6 1 Control Configuration 60 3 6 2 Operating Principles 60 3 ...

Страница 62: ...ading parameters to central ized data management The basic communications procedure and protocol are described here The actual commands used in communications are described in Section 4 Command Set 3 2 1 Communications Procedure All communications are initiated by the host computer by sending an command block to the E5ZD The E5ZD then sends a response block back to establish conversation type comm...

Страница 63: ...ct errors and execute the necessary steps to recover from them Transmissions should be set up to be repeated about ten times in order to deal with communications errors resulting from noise If noise originating errors oc cur too frequently either try a lower baud rate or use an optical interface E5ZD Checks Error checks at the E5ZD are performed both by character and by block Characters are checke...

Страница 64: ...ost and rightmost digits which are converted to ASCII to obtain the FCS values to be sent The final transmitted command block would thus be as follows Command 40hex 30hex 30hex 52hex 58hex 30hex 30hex 34hex 41hex 2Ahex 0Dhex 30hex 30hex 3 3 Memory Banks The E5ZD is equipped with memory banks that allow you to change many oper ating parameters as sets Some parameters are independent of the control ...

Страница 65: ...ontrol period Fuzzy strength Fuzzy scale 1 Fuzzy scale 2 Setting for alarm 1 Setting for alarm 2 Memory bank 2 Memory bank 1 Memory bank 0 Memory bank 7 Temperature setting Input shift Hysteresis Proportional band Integral time Derivative time Control period Fuzzy strength Fuzzy scale 1 Fuzzy scale 2 Setting for alarm 1 Setting for alarm 2 Memory bank 2 Memory bank 1 Memory bank 0 Parameters indep...

Страница 66: ...inal status and Section 4 for commands 3 4 Parameter Backup Inside the E5ZD there are two types of memory used to store parameters One is RAM which is erased when power to the E5ZD is turned OFF the other is non volatile memory EEPROM which is used for permanent parameter stor age When parameters are set via commands from the host computer they are written into RAM To preserve these parameter when...

Страница 67: ...ers stored in EEPROM are transferred to RAM each time the E5ZD is turned ON If RAM parameters are changed without re transferring the new values to EEPROM using WE the new values will be lost and the old values will again be transferred to RAM the next time power is turned ON When preserving parameters in EEPROM the response block sent after send ing WE should be checked to confirm proper transfer...

Страница 68: ...e turned ON Commands can then be sent from the host computer to determine which control point generated the error For the HB alarm output to be turned ON the control output must be ON continu ously for at least 200 ms For the HS alarm output to be turned ON the control output must be OFF for at least 200 ms Either of these alarms might be delayed by up to six times the control period for 4 point m...

Страница 69: ...uits draw 30 A If one circuit breaks the remaining two would draw 20 A 3 Although here it is necessary to generate an alarm whenever the current drops below 30 A caution is required due to the current changes that can result from changes in the power supply voltage If we assume a maximum voltage fluctuation of 10 the maximum current fluctuation would also be 10 The minimum current for when all thr...

Страница 70: ...rcuitry and that of the PID with feed forward circuitry The fuzzy control circuitry outputs a compensation according to the temperature deviation exter nal disturbance and the derivative of the deviation i e the speed of the temper ature change that are input to the fuzzy control circuitry Judging from the tem perature deviation and the derivative of the deviation the fuzzy control circuitry incre...

Страница 71: ...t the parameters of the fuzzy control circuitry If the pa rameters of the fuzzy control circuitry are adjusted only the external disturbance waveform will change without influencing the control waveform when starting operation or during stable operation Rise time PID only Stable PID only External disturbance PID and fuzzy Stable PID only Set value Control Waveform vs Fuzzy Control Circuitry 3 6 4 ...

Страница 72: ...viation derivative input membership function scale determines the size interpretation of the deviation derivative The larger the fuzzy scale 2 value is the slower the speed of external disturbance is seen for the same disturbance FUS1 0 FUS1 Fuzzy scale 1 Deviation FUS2 0 FUS2 Fuzzy scale 2 Derivative of deviation FU 0 FU Fuzzy strength Fuzzy control output Fuzzy logic circuitry I O of Fuzzy Contr...

Страница 73: ...ut temperature oscillation will increase Waveform Changes vs Fuzzy Scale 1 Value Changes Fuzzy scale 1 Large Small Fuzzy Scale 2 When the value of fuzzy scale 2 is large response will be slow temperature os cillation will be reduced and overshooting and undershooting will increase when the temperature rapidly returns to the set temperature When the value of fuzzy scale 2 is small response will be ...

Страница 74: ...he value of fuzzy scale 1 to reduce the temperature oscillation Fuzzy scale 1 Large When overshooting and undershooting repeat for two cycles more due to exter nal disturbance adjust the fuzzy parameters as follows If the second overshooting or undershooting is as large as the first increase the fuzzy strength If the fuzzy strength is increased too much temperature oscilla tion will occur Fuzzy st...

Страница 75: ...ale 2 if the temperature does not return to normal after the above operations Increase the value of fuzzy scale 1 if the second overshooting or undershooting is as large as the first and there is temperature oscillation Fuzzy scale 1 Large Decrease the value of fuzzy scale 2 if the temperature does not return to normal after the above operations Fuzzy Control Section 3 6 ...

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Страница 77: ...trolling Operation 79 4 2 7 Output Mode Write WU 80 4 2 8 Output Mode Read RU 82 4 2 9 Status Read RX 83 4 2 10 Memory Bank Designation Write WM 85 4 2 11 Memory Bank Designation Read RM 86 4 2 12 Autotuning Commands 87 4 2 13 Alarm Mode Write W 88 4 2 14 Alarm Mode Read R 90 4 2 15 Alarm Temperature Write W 91 4 2 16 Alarm Temperature Read R 92 4 2 17 EEPROM Write WE 94 4 2 18 Input Shift Write W...

Страница 78: ...9 Alarm Mode Write W OK NO NO 88 Alarm Temperature Write W OK OK OK 91 Proportional Band Write WB OK OK NO 76 EEPROM Write WE OK OK OK 94 Hysteresis Write WH OK OK NO 96 Input Shift Write WI Note 2 OK OK NO 95 Memory Bank Designation Write WM OK OK NO 85 Integral Time Write WN OK OK NO 77 Set Temperature Write WS OK OK NO 71 Control Period Write WT OK OK NO 77 Output Mode Write WU 00 OK NO NO 80 A...

Страница 79: ...eturned in the response when the header code in any command is not received in a recognizable form The host computer must be programmed to recognize this header code and respond properly i e normally to re send the last command The response format for the IC header code is as shown below 0 Unit W S Bank Point 0 0 CR Header code Sign x102 x101 x100 x10 1 Always 0 Terminator FCS Set temperature Deci...

Страница 80: ...re correct and that the decimal point has been taken into consideration Frame Length Error 18 The command block has exceeded 127 characters Execution was not possible because of some relationship to other parameters This end code will be generated if an attempt is made to change the alarm mode such that the alarm temperature range is exceeded by the current alarm temper ature Confirm temperature l...

Страница 81: ...rature Control Commands All Controllers The commands described in this section are used to write or read parameters used in temperature control or to otherwise exert temperature control 4 2 1 Set Temperature Write WS This command is used to write the set values for temperature control into memory The command must designate the unit memory bank and point where the set temperature is to be written T...

Страница 82: ...emory bank 2 of control point 1 of unit 1 for a E5ZD model using a K sensor which is set to a temperature range of 32 to 1112 F 0 1 W S 2 1 0 0 1 0 0 0 4 7 CR 1000 F The following command is used to write a set temperature of 100 0 F in memory bank 7 of control point 5 of unit F for a E5ZD model using a Pt sensor which is set to a temperature range of 148 0 to 392 F 100 0 F 0 F W S 7 5 0 0 1 0 0 0...

Страница 83: ...rned for this command are shown below The response used depends on the smallest increment of the set temperature see below These responses assume that the header code in the command block was transmitted and read normally and that the end code is 00 If the end code is not 00 the set value will not have been returned and the end code will be followed immediately by the FCS If the header code in the...

Страница 84: ... 6 8 CR 50 3 C The following response shows that a temperature of 1 023 F is set in memory bank 0 of control point 0 in unit 2 for an E5ZD using a K sensor which is set to a temperature range of 32 to 1112 F 0 2 R S 0 0 1 0 2 3 4 1 CR 1023 F The following response shows that the E5ZD was not able to read the RS header code when an attempt was made to read from unit 0 0 0 I C 4 A CR End Codes If an...

Страница 85: ...format The following format is used with K or J sensors or when the temperature range for Pt100 or JPt100 sensors is between 0 and 500 C 32 to 932 F In either case the measured temperature is returned in four digits or three numeric digits with a sign digit in increments of one degree 2Dhex is used as the negative sign Header code FCS 0 Unit R X CR x103 x102 x101 x100 Sign Terminator FCS Measured ...

Страница 86: ...een read Refer to Section 4 1 2 End Codes for a description of the other possible end codes and their meanings 4 2 4 Writing PID Constant and the Control Period This section covers four commands Proportional Band Write Integral Time Write Derivative Time Write and Control Period Write The command and re sponse formats for these are nearly the same however the numeric values for data do vary Make s...

Страница 87: ...nk Point 0 0 CR Header code 0001 to 0099 Unit 1 s Data code Terminator Control period FCS Command Examples The following command is used to set a 50 C proportional band in memory bank 3 for control point 2 of unit 1 0 1 W B 3 2 0 0 0 5 0 0 5 0 CR 50 0 C Response Formats The responses returned for these commands are shown below These re sponses assume that the header code in the command block was t...

Страница 88: ...ollowing commands can not used during autotuning Command Format The formats for all of these commands require the unit number control point and memory bank for which the read is intended Proportional Band Read RB 0 Unit R B Bank Point 0 0 CR Header code Data code Terminator FCS Integral Time Read RN 0 Unit R N Bank Point 0 0 CR Header code FCS Data code Terminator FCS Derivative Time Read RV 0 Uni...

Страница 89: ... value Response Examples This response shows that a proportional band of 50 3 C is set in memory bank 3 for control point 2 of unit 1 0 1 R B 0 0 0 5 0 3 5 7 CR 50 3 C End Codes If an end code of 00 was returned in the response the command was executed normally If an end code other then 00 is returned the desired value will not have been read Refer to Section 4 1 2 End Codes for a description of t...

Страница 90: ...it CR Header code Terminator End code OS For Operation Start command OP For Operation Start command FCS End Codes If an end code of 00 was returned in the response E5ZD operation was started or stopped normally If any other end code is returned the command was not completed successfully Refer to Section 4 1 2 End Codes for a description of the other possible end codes and their meanings 4 2 7 Outp...

Страница 91: ...e the value to change all points for a 6 point E5ZD to cooling operation would be 3Fhex A 3 in ASCII is 33 in hexadecimal and F converts to 46 The two digits of the setting would thus be 33hex 46hex Command Examples The following command is used to set points 0 2 and 4 of unit 2 for heating oper ation and points 1 3 and 5 to cooling operation 0 2 W U 0 0 0 0 0 0 2 A 3 3 CR Response Format The resp...

Страница 92: ...der code in the command block was transmitted and read normally and that the end code is 00 If an end code other than 00 is returned the desired data will not have been read and the end code will be followed immedi ately by the FCS If the header code in the command block was not recogniz able a header code of IC will be returned without an end code see Section 4 1 2 End Codes for the IC header cod...

Страница 93: ...f errors can be checked by means of RU data code 03 Command Format The format for this command is as shown below The unit number and control point must be specified and the data code must be 02 0 Unit R X 0 Point 0 2 CR Header code Terminator Always 0 FCS Data code Command Examples The following command is used to read the status of control point 0 of unit 1 0 1 R X 0 0 0 2 4 9 CR Response Format ...

Страница 94: ...ge Current is normal 8 Temperature Low flag Measured temperature is too low Measured temperature is OK 9 Temperature High flag Measured temperature is too high Measured temperature is OK 10 Sensor Error flag Sensor error Sensor is OK 11 Error Output flag Error output is ON Error output is OFF 12 Alarm 1 flag Alarm 1 output is ON Alarm 1 output is OFF 13 Alarm 2 flag Alarm 2 output is ON Alarm 2 ou...

Страница 95: ...ted normally If the end code is not 00 the desired data will not have been read Re fer to Section 4 1 2 End Codes for a description of the other possible end codes and their meanings 4 2 10 Memory Bank Designation Write WM This command is used to designate which of the eight memory banks is to be used with the specified control point The parameters in the specified memory bank will be used for fur...

Страница 96: ... Read RM This command is used to read out which memory bank is currently specified for a specified control point Command Format The format for this command is as shown below The unit number and control point must be specified 0 Unit R M 0 Point 0 0 CR Header code Terminator Data code FCS Always 0 Response Format The response returned for this command is shown below This response as sumes that the ...

Страница 97: ...the control system When autotuning is finished the values of fuzzy scales 1 and 2 will be automati cally set according to the measured PID constants for Fuzzy logic Controllers The two commands used for autotuning are Autotuning Start AS and Autotuning Stop AP Command Formats The formats for these commands are as shown below The unit number and con trol point must be specified for Autotuning Start...

Страница 98: ...otuning does not achieve satisfactory results set PID constants manually Hunting can result during autotuning because a limit cycle is used If hunting is undesirable for the controlled system set PID constants manually Autotuning must be restarted if a power interruption occurs Sequential activation of autotuning is possible by using a 01 data code Autotun ing will start from the smallest numbered...

Страница 99: ...solute value lower limit alarm with standby sequence o Y 0C HB and HS alarm Same operation as HB and HS alarm Command Examples The following command is used to designate mode 2 upper limit alarm for con trol point 3 of unit 2 0 2 W 0 3 0 1 0 0 0 2 3 6 CR Response Format The response returned for this command is shown below This response as sumes that the header code in the command block was transm...

Страница 100: ...Refer to Alarm Mode Write for the various opera tion modes and designations 0 Unit R 0 Point 0 CR Header code Terminator Data code 00 Alarm 1 01 Alarm 2 Always 0 FCS Command Examples The following command is used to read the mode set for alarm 2 for control point 3 of unit 2 0 2 R 0 3 0 1 3 1 CR Response Format The response returned for this command is shown below This response as sumes that the h...

Страница 101: ...ing the command formats The following format is used with K or J sensors or when the temperature range for Pt100 or JPt100 sensors is between 0 and 500 C 32 to 932 F In either case the alarm temperature is input in four digits or three numeric digits with a sign digit in increments of one degree Use 2Dhex as the negative sign When Setting Unit is 1 0 Unit W Bank Point CR Header code x103 x102 x101...

Страница 102: ...ny value Command Examples The following command is used to designate an alarm temperature of 50 C for alarm 2 in memory bank 2 of control point 1 in unit 2 A K sensor is used and the temperature range is set to 0 to 600 C 0 2 W 2 1 0 1 0 0 5 0 3 7 CR 50 C Response Format The response returned for this command is shown below This response as sumes that the header code in the command block was trans...

Страница 103: ...without an end code see Section 4 1 2 End Codes for the IC header code response format The following format is used with K or J sensors or when the temperature range for Pt100 or JPt100 sensors is between 0 and 500 C 32 to 932 F In either case the alarm temperature returned is four digits or three numeric digits with a sign digit in increments of one degree 2Dhex is used as the negative sign When ...

Страница 104: ...s 3 5 seconds for Fuzzy logic Controllers and as much as 2 3 seconds for other Controllers Command Format The format for this command is as shown below The unit number must be speci fied 0 Unit W E A A 0 0 0 0 0 7 CR Header code Terminator Always A A Always 0007 FCS Data code Command Examples The following command is used to write the parameter of Unit 0 into the EE PROM 0 0 W E A A 0 0 0 0 0 7 5 ...

Страница 105: ...owing command is used to set a 12 3 C shift in memory bank 2 for con trol point 1 of Unit 2 0 2 W 1 2 1 0 0 1 2 3 4 2 CR 12 3 C Response Format The response returned for this command is shown below This response assumes that the header code in the command block was transmitted and read normally If the header code in the command block was not recognizable a header code of IC will be returned withou...

Страница 106: ...sponse Examples This response shows that a shift value of 12 3 C has been set in memory bank 0 of point 0 in unit 2 0 2 R I 2 1 0 0 0 1 2 3 4 2 CR 12 3 C End Codes If an end code of 00 was returned in the response the command was executed normally If the end code is not 00 the desired data will not have been be read Refer to Section 4 1 2 End Codes for a description of the other possible end codes...

Страница 107: ...ossible end codes and their meanings 4 2 21 Hysteresis Read RH This command is used to the hysteresis set in the specified memory bank Command Format The format for this command is as shown below The unit number memory bank and control point must be specified 0 Unit R H Bank Point 0 0 CR Header code Terminator Data code FCS Response Format The response returned for this command is shown below This...

Страница 108: ...t Terminator Data code 0 0 0 1 0 X FCS Always 0 Response Format The response returned for this command is shown below The same header code as the one used in the command is returned This response assumes that the header code in the command block was transmitted and read normally and that the end code is 00 If the end code is not 00 the output percentage will not have been read and the end code wil...

Страница 109: ...s response as sumes that the header code in the command block was transmitted and read normally If the header code in the command block was not recognizable a header code of IC will be returned see Section 4 1 2 End Codes for the IC head er code response format There is no end code returned for this command the character string is used to determine the success of the test 0 Unit T S CR Header code...

Страница 110: ...032 00320 32 F Hysteresis C 0008 0 8 C F 0015 1 5 F Input shift 0000 No shift Proportional band 0000 ON OFF operation Integral time 0000 No integral operation derivative time 0000 No derivative operation Control period heating side 0002 2 seconds Alarm 1 alarm temperature 0000 00000 0 C 0 F Alarm 2 alarm temperature 0000 00000 0 C 0 F Fuzzy strength 0050 50 of full strength Fuzzy scale 1 9999 999 ...

Страница 111: ...cating that an error exists Command Format The format for this command is as shown below The unit number must be speci fied and the data code must be 03 0 Unit R U 0 0 0 3 CR Header code FCS Terminator Always 0 Data code Command Examples The following command is used to read the error status of Unit 2 0 2 R U 0 0 0 3 4 6 CR Response Format The response returned for this command is shown below This...

Страница 112: ... failed Turn the E5ZD off and on Current Transformer AD Error flag The Current Transformer AD converter circuitry may have failed Turn E5ZD power off and on Cold Junction Compensation Error flag This error is generated when CN3 has been disconnected or the ambient temperature of the E5ZD has dropped below 15 C or exceeded 60 C For the E5ZD 8jjKJ E it is generated when CN903 is not connected correc...

Страница 113: ...ON The leftmost bits must be set to 0 If they are not an error and an end code of 15 will be gener ated For the E5ZD 4jjj E bits 4 to 7 must be set to 0 For the E5ZD 6jjj E bits 6 to 7 must be set to 0 All bits are set to 0 at the factory 0 Header code Terminator FCS Always 0 Point W U 0 0 0 2 0 0 CR 7 6 5 4 3 2 1 0 Point 0 setting Point 1 setting Point 2 setting Point 3 setting Point 4 setting Po...

Страница 114: ... are only available on models equipped with the heater burnout detection function model numbers E5ZD jHj E All alarms are factory preset to OFF and must be programmed by the operator to establish the desired operating conditions Command Format The format for this command is as shown below The unit number must be speci fied and the data code must be 02 0 Unit R U 0 0 0 2 CR Header code Always 0 FCS...

Страница 115: ...ossible end codes and their meanings 4 2 28 Detection Level Write WW This command is used to set the current value that will trigger the HB alarm The trigger current level for all alarms is set to 0 0 A for all control points canceling the HB alarm at the factory and needs to be reset in order for the alarms to oper ate The alarm functions are only available on models equipped with the heater burn...

Страница 116: ...odes for the IC header code response format 0 Unit W W End code CR Header code FCS Terminator End Codes If an end code of 00 was returned in the response the command was executed normally If the end code is not 00 the desired data will not have been written Refer to Section 4 1 2 End Codes for a description of the other possible end codes and their meanings 4 2 29 Detection Level Read RW This comm...

Страница 117: ...se shows that a detection level of 30 0 A has been set for control point 0 of Unit 2 0 2 R W 0 0 0 3 0 0 4 4 CR 30 0A End Codes If an end code of 00 was returned in the response the command was executed normally If the end code is not 00 the desired data will not have been read Re fer to Section 4 1 2 End Codes for a description of the other possible end codes and their meanings 4 2 30 Heater Curr...

Страница 118: ... Examples This response shows that 25 6 A are being supplied to the heater for control point 1 of Unit 1 0 1 R Z 0 1 0 2 5 6 4 8 CR 25 6 A Error Codes If an error has occurred that makes measuring current impossible Heater Cur rent Read will result in a response that contains an error code that indicates the type of error that has occurred The response format is shown below and the subsequent tabl...

Страница 119: ...lue between 0000 and 0099 in increments of 1 If 0000 is designate the Temperature Controller will control the temperature using only PID with feed forward circuitry 0 Unit W j Bank Point 0 0 s Fuzzy strength FCS Header code j in lower case Data code 0000 to 0099 In increments of 1 Terminator Fuzzy Scale 1 Write Wk Designate a fuzzy scale 1 value between 0002 and 9999 in increments of 0 1 C or 0 1 ...

Страница 120: ... meanings 4 3 2 Fuzzy Constant Read Commands This section covers the commands that are used to read fuzzy constants fuzzy strength fuzzy scale 1 and fuzzy scale 2 The value of fuzzy scale 1 is returned to the nearest 0 1 C The value of fuzzy scale 2 is returned to the nearest 0 01 C Designate the point and memory bank to read the fuzzy constant The header code varies with the fuzzy constant to be ...

Страница 121: ...he operation of or read out data for all control points all memory banks for a specified control point or all data codes with the same header code The commands for global read and global control operations are listed in the table at the end of this section Command Format The format for this command is as shown below The unit number header code memory bank control point and data code must be identi...

Страница 122: ...ormat Designations in parentheses are for 6 point E5ZD models A Designations for the Control Point n number of control points 1 0 Unit Header code End code Data for point 0 Data for point 1 Data for point n 1 Data for point n FCS CR A Designations for the Memory Bank 0 Unit End code Data in bank 0 Data in bank 1 Data in bank 6 Data in bank 7 FCS CR Header code AA Designations for the Data Code 0 U...

Страница 123: ...l bands for all points A 0 to 7 00 Reads proportional bands for all banks RH 0 to 7 0 to 7 00 Reads hysteresis as specified A 00 Reads adjustment sensitivities for all points A 0 to 7 00 Reads adjustment sensitivities for all banks RI 0 to 7 0 to 7 00 Reads input shift as specified A 00 Reads input shifts for all points A 0 to 7 00 Reads input shifts for all banks RM 0 0 to 7 00 Reads memory bank ...

Страница 124: ...gth for all points Rk 0 to 7 0 to 7 00 Reads fuzzy scale 1 as specified A 00 Reads fuzzy scale 1 for all points Rl 0 to 7 0 to 7 00 Reads fuzzy scale 2 as specified A 00 Reads fuzzy scale 2 for all points 4 5 Global Write Operations Special designations can be used for the memory bank control point and data code designations to allow certain commands to write the same data into the same parameter ...

Страница 125: ...ode of IC will be returned without an end code see Section 4 1 2 End Codes for the IC header code response format 0 Unit CR Header code Terminator End code FCS End Codes If an end code of 00 was returned in the response the command was executed normally If the end code is not 00 the desired data will not have been written Refer to Section 4 1 2 End Codes for a description of the other possible end...

Страница 126: ... adjustment sensitivities for all banks A 00 Writes adjustment sensitivities for all banks and points WI 0 to 7 0 to 7 00 Writes input shift as specified A 00 Writes input shifts for all points A 0 to 7 00 Writes input shifts for all banks A 00 Writes input shifts for all banks and points WM 0 to 7 0 to 7 00 Writes memory bank designation as specified A 00 Writes memory bank designations for all p...

Страница 127: ...points WW 0 0 to 7 00 Writes heater burnout detection level as specified A 00 Writes heater burnout detection level for all points Wj 0 to 7 0 to 7 00 Writes fuzzy strength as specified A 00 Writes fuzzy strength for all points Wk 0 to 7 0 to 7 00 Writes fuzzy scale 1 as specified A 00 Writes fuzzy scale 1 for all points Wl 0 to 7 0 to 7 00 Writes fuzzy scale 2 as specified A 00 Writes fuzzy scale...

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Страница 129: ...ssion Times This section describes how to calculation the transmission times for reading and writing data These times depend on the baud rate and the processing speed of the E5ZD 5 1 Writing Times 120 5 2 Reading Times 120 ...

Страница 130: ...ne Placing 17 into the above equation produces the following 17 characters 11 bits per character 9 6 bits 20 ms 20 ms 130 ms 20 ms 500 ms 670 ms 20 ms 50 ms 500 ms 570 ms Fuzzy logic Controllers Other Controllers The new set temperature would thus come into use approximately 670 ms or 570 ms after the host computer began transmission of the command A minimum of 10 ms is required between receiving ...

Страница 131: ... 11 9 6 ms 583 ms approximate 13 characters 11 bits per character 9 6 bits 15 ms 15 characters 11 bits per character 9 6 bits 18 ms 50 ms 500 ms 18 ms 568 ms Command Response Fuzzy logic Controllers Other Controllers 150 ms 500 ms 18 ms 668 ms The measured temperature would thus be returned to the host computer a maxi mum of 683 ms 15 ms 668 ms or 583 ms 15 ms 568 ms after the host computer starte...

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Страница 133: ...ing This section provides lists of possible causes and solutions for several common problems and describes the loop back test used to check E5ZD communications 6 1 Troubleshooting Lists 124 6 2 Loop Back Communications Test 128 ...

Страница 134: ... Ensure that different numbers are assigned to all Units that communicate with the same host computer Sec 2 1 5 Mode is set for test communications Turn DIP switch setting to Normal Mode Sec 2 1 5 Host computer program incorrect Debug program Sec 4 1 Host starts next transmission before receiving response Delay transmission until response is confirmed Section 5 False or erroneous signals received ...

Страница 135: ... are designated the same memory banks are valid for all points Check whether inputs are continued at time of contact input designation Inputs must be continued during des ignation Sec 1 4 1 3 3 Point designation is incorrect Make correct designation Begin from point No 0 Sec 4 2 1 Control not starting Begin control Sec 4 2 6 Sensor disconnected or short circuited Replace sensor Sec 4 2 9 Controlle...

Страница 136: ...ng is broken or shorted Replace sensor Sec 3 5 The special terminal blocks are not being used for E5ZD 8HjKJM E thermocouple inputs Use an E54 TR011 terminal block Sec 2 3 1 The special terminal blocks are not being used for E5ZD 8HjPM E platinum resistance ther mometer inputs E54 TR011 terminal blocks cannot be used Use through type terminal blocks instead Sec 2 3 2 A sensor terminal has been lef...

Страница 137: ...uc tuation due to ambient temperature influences Sec 1 4 3 3 5 4 HB and HS alarms were made operational be fore heater was turned on Turn on heater first Sec 1 4 3 Control output is not being used HG and HS alarms are synchronous with control output so control output must be used Sec 3 5 4 Operation is not starting Start operation with OS command Sec 3 5 Control output was ON for less than 200 ms ...

Страница 138: ... DIP switch Connect pins 2 and 3 Connect pins 6 and 9 and pins 1 and 5 E5ZD RS 422 Symbol SDA SDB RDA RDB SG Pin 9 5 6 1 3 1 FG 7 SG 2 SD 3 RD 4 RS 5 CS 6 DR 20 ER Pin E5ZD RS 232C Sym bol After finishing the above preparations just turn on power to the E5ZD to start the test The E5ZD s error output terminal will go ON and the error indicator will light when errors are found in the received charac...

Страница 139: ... E5ZD 8jjj E Voltage 30 mA 12 VDC max Open collector NPN 50 mA 30 VDC max E5ZD 8HjjM E Open collector NPN 50 mA 30 VDC max Control modes E5ZD 8Fjjj E Hybrid of PID control with feed forward circuitry and fuzzy with autotuning or ON OFF Other models PID control with feed forward circuitry with autotuning or ON OFF Alarm outputs Open collector NPN 50 mA 30 VDC max Number of memory banks 8 Memory ban...

Страница 140: ...between terminal block and sensor input terminal Weight E5ZD 4 6 jjj E Approx 500 g E5ZD 8jjj E Approx 800 g E5ZD 8HjjM E Approx 650 g Memory protection Non volatile memory EEPROM 10 yrs max number of writes 10 000 Heater Burnout Detection Specifications Item Specification Max heater current 50 A single phase Heater burnout detection level setting accuracy 0 5 FS 1 digit Input current monitoring a...

Страница 141: ... E54 CT3 Hole diameter 5 8 mm 12 0 mm Max continuous heater current 50 A 50 A Withstand voltage 1 000 VAC for 1 min Vibration tolerance 50 Hz approx 10G Weight Approx 11 5 g Approx 50 g Accessories None Contacts 2 Plugs 2 5 8 dia Two 3 5 dia holes Two M3 holes depth 4 2 36 dia 12 dia 2 5 ...

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Страница 143: ...rolling Operation Command Write code Read code Digits Operation Start OS RX 02 0 Operation Stop OP RX 02 0 Autotuning Start AS RX 02 0 Autotuning Stop AP RX 02 0 Commands for Parameters Independent of Control Points Parameter Write code Read code Digits Default Upper Lower Remarks HB HS Alarm Point WU 02 RU 02 4 0000 0000 00FF Bit data Output Mode WU 00 RU 00 4 0000 0000 00FF Bit data Commands for...

Страница 144: ...1 C 0015 0000 0999 Unit 1 F Input Shift WI RI 0000 000 0999 Unit 0 1 C F Alarm Temperature W R 4 0000 999 1999 Unit 1 C F 5 00000 9999 19999 Unit 0 1 C F Fuzzy Strength Fuzzy logic Controllers only Wj Rj 4 0050 0000 0099 Unit 1 Fuzzy Scale 1 Fuzzy logic Controllers only Wk Rk 4 9999 0002 9999 Unit 0 1 C F Fuzzy Scale 2 Fuzzy logic Controllers only Wl lower case l Rl lower case l 4 9999 0020 9999 U...

Страница 145: ... operating con ditions 04 Invalid address The control point or memory bank designation is out of range 10 Parity error The parity bit was wrong 11 Framing error The stop bit was not detected 12 Overflow error The reception buffer has overflown 13 FCS error The FCS value was incorrect 14 Format error An incorrect format was used for the command 15 Numeric error Data was not within specified limits ...

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Страница 147: ...or is generated when CN3 has been disconnected or the ambient tempera ture of the E5ZD has dropped below 15 C or exceeded 60 C E004 CT input AD error The CT input AD converter has failed E011 Sensor error The sensor input is not correct Either the sensor is shorted or not wired correctly E012 Upper limit error The measured temperature is 20 C or more over the set temperature range E013 Lower limit...

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Страница 149: ... P p 0001 1 SOH DC1 1 A Q a q 0010 2 STX DC2 2 B R b r 0011 3 ETX DC3 3 C S c s 0100 4 EOT DC4 4 D T d t 0101 5 ENQ NAK 5 E U e u 0110 6 ACK SYN 6 F V f v 0111 7 BEL ETB 7 G W g w 1000 8 BS CAN 8 H X h x 1001 9 HT EM 9 I Y i y 1010 A LF SUB J Z j z 1011 B VT ESC K k 1100 C FF FS L l 1101 D CR GS Ć M m 1110 E S0 RS N n 1111 F S1 US O _ o ...

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Страница 151: ...emory bank designation write WM 85 operation start OS 80 operation stop OP 80 output mode read RU 82 output mode write WU 80 output variable read RO RX 98 proportional band read RB 78 proportional band write WB 76 set temperature read RS 73 set temperature write WS 71 status read RX 83 transmission test TS 99 command block 53 commands 68 EEPROM Write 120 response time 6 summary tables 133 communic...

Страница 152: ...zy scale 2 reading from host computer 110 writing from host computer 109 fuzzy strength reading from host computer 110 writing from host computer 109 G M global operations 111 114 header codes 69 heater burnout detection 127 hybrid control 3 indicators 12 33 49 installations 4 loop back test 128 memory backup 56 designations 55 structure 55 terminals 14 28 42 models fuzzy logic 4 standard 3 mounti...

Страница 153: ...ble Page 87 Precautions and other information added for autotuning Page 100 Fuzzy parameters added to table Page 108 New sections added on commands for fuzzy logic control Page 112 Commands for fuzzy logic control added to table Page 115 Commands for fuzzy logic control added to table Page 117 to 119 Information added to entire section Pages 127 and 128 Fuzzy logic specifications added Page 132 Co...

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Страница 155: ...9 NL 2132 JD Hoofddorp The Netherlands Tel 31 2356 81 300 Fax 31 2356 81 388 OMRON ELECTRONICS INC 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 Singapore 239920 Tel 65 835 3011 Fax 65 835 2711 OMRON CHINA CO LTD 21F Beijing East Ocean Center No 24A Jian Guo Men Wai Da Jie Chao Yang District Bei...

Страница 156: ...Cat No Z042 E1 4 Note Specifications subject to change without notice 9009732 0 Printed in Japan 0500 0 2M A Authorized Distributor ...

Страница 157: ...Cat No Z042 E1 4 E5ZD Multipoint Temperature Controller OPERATION MANUAL ...

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