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Yamato V Instruction Manual

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TYPE V Controller
Communication Reference Codes
Instruction Manual
First Edition
For proper equipment operation, please read this
instruction manual and main unit instruction manual
before use. Also read external communications
terminal instruction manual carefully when ordering
optional external communication function. Always
keep equipment documentation safe and close at
hand for convenient future reference.
Yamato Scientific America Inc．
Santa Clara，CA
Printed on recycled paper

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Summary of Contents for Yamato V

  • Page 1 TYPE V Controller Communication Reference Codes Instruction Manual First Edition For proper equipment operation, please read this instruction manual and main unit instruction manual before use. Also read external communications terminal instruction manual carefully when ordering optional external communication function. Always keep equipment documentation safe and close at hand for convenient future reference.

  • Page 2: Table Of Contents

    Table of contents 1. COMMUNICATION SETTING PROCEDURES ........... 1 1.1: Communication setting ............1 1.2: Connection ..............5 1.3: Multiple connection procedure ............6 2. COMMUNICATION INTERFACE ............7 2.1: Data transmission system ............7 2.2: Frame configuration ............... 7 2.3: Message configuration ............

  • Page 3: Communication Setting Procedures

    1. COMMUNICATION SETTING PROCEDURES 1.1: Communication setting Make appropriate settings to master device (workstation PC etc.) and to TYPE V controller on main unit (hereafter, “main unit”) The following table shows the communication setting items for TYPE V controller. Set values on master device to match items 1-6 below on main unit The following settings can be made by key operation.
  • Page 4 1. COMMUNICATION SETTING PROCEDURES Press repeatedly until "COM" shows in the sub display. Press Communication protocol setting; default is "ASCI". "PRTCL" shows in the sub display and "ASCI" in the main display. Press . Main display content flashes. can now be used to select "ASCI" or "rtU".
  • Page 5 1. COMMUNICATION SETTING PROCEDURES Stop bit length setting; default is "1BIT" Press to show "STOPB" in the sub display and "1BIT" in the main display. Press . Main display content flashes. can now be used to select "1BIT" or "2BIT" Select either one and press Communication rate setting;...
  • Page 6 "RW" or "R". Select either one and press When all settings are completed, press & hold to turn TYPE V controller "OFF". Sub display shows current time, which completes the communication settings. Change value can be recovered by using during setting change.

  • Page 7: Connection

    USB-485I USB ポート USB port USB-RS485変 換ア ダプ タ USB-RS485 adapter TYPE V controller Ⅴ型コ ント ロー ラ パソ コン Workstation PC Note: "External communication adapter kit" (product code 211880) includes the following: 1. USB cable: connects workstation and USB-RS485 converter unit. 1.8 m.

  • Page 8: Multiple Connection Procedure

    Shown below is an example of multi-drop wire connection. 本 器 Main unit ID:01 通信ケーブル Comm cable USB-RS485 変換アダプタ USB-RS485 converter Ⅴ型コントローラ TYPE V controller パソコン Workstation PC ID:02 Comm cable 通信ケーブル Ⅴ型コントローラ TYPE V controller Up to 31 units can be 最大 31 台まで接続できます...

  • Page 9: Communication Interface

    2. COMMUNICATION INTERFACE ԂCommunication protocol conforms to MODBUS and the protocol can be selected from RTU and ASCII. Refer to MODBUS standard specification and commercial reference manuals for details on MODBUS. 2.1: Data transmission system Transmission system: half-duplex asynchronous data transfer (polling/selecting) Transmission distance: Max 500m (results may vary depending on environment) Connection method: Multi-drop system (max 31 units) Start bit: 1 bit...

  • Page 10: Function Code

    2. COMMUNICATION INTERFACE 2.5: Function code The function code communicates to the slave device what to execute. Function code data is classified by type below. Analog setting: each setting information type. Numerical value within 16 bits: -32768 to 32767 Analog input data: measurement, status and other data. Numerical value within 16 bits. Code Function Unit...

  • Page 11: Error Check

    2. COMMUNICATION INTERFACE 2.8: Error check Transmission frame error check differs by mode. RTU: CRC-16 ASCII: LRC 2.8.1 CRC-16 calculation CRC divides the information to be sent with the generating polynomial, adds the remainder behind the information to send. Generating polynomial is as follows: 1 + x2 + x15 + x16 Use the following procedure to calculate from slave address to final data.

  • Page 12: Function Code Details

    2. COMMUNICATION INTERFACE 2.9: Function code details The following is a function code exclusive response: 2.9.1 Analog setting value reading [Function code: 03 (03H)] Only a specific quantity from the specified number "continuous number analog setting value (2-byte: 16-bit) data" is read. The data is split into high 8-bit and low 8-bit, arranged in numerical order and composed into response message data.
  • Page 13 2. COMMUNICATION INTERFACE 2.9.2 Analog input data read-out [Function Code: 04(04 H)] Only a specific quantity from the specified number "continuous number analog input (2 byte : 16-bit) data" is read. The data is split into high 8-bit and low 8-bit, arranged in numerical order and composed into response message data.

  • Page 14: Error Processing

    2. COMMUNICATION INTERFACE 2.10: Error processing No response error In the following cases, message is ignored and no response is sent. 1. When message transmission error (overrun, framing, parity, CRC or LRC) is detected. 2. When slave address in message is not for receiving device. 3.

  • Page 15: Remote Operation Via Communication

    3. REMOTE OPERATION VIA COMMUNICATION 3.1: Start remote mode ･Remote mode can start only when the controller is OFF state. ･Start remote mode by specifying operation mode (fixed temp operation, program operation, auto start, auto stop, or program auto start). However, when program operation or program auto start is selected, remote mode cannot be started unless the following condition is satisfied.

  • Page 16: Key Operation In Remote Mode

    3. REMOTE OPERATION VIA COMMUNICATION 3.5: Key operation in remote mode ・All key operations on the controller are disabled in remote mode except power OFF operation by holding down the POWER key. When pressing any keys other than the POWER key, display indicates that main unit is in remote mode and buzzer sounds.

  • Page 17: Communication Reference Table

    (see main unit instruction manual). Unit may malfunction or become out of control. 4.1: Function code 03/06 TYPE V Controller Communication Reference table; items with “*” are not applicable by model Reference Setting range...
  • Page 18 4. COMMUNICATION REFERENCE TABLE Reference Setting range Initial Data name Remarks Code (in-transmission) value Fixed temp auto stop 00-59 40011 L: minute timer setting (L) (0-59) Fixed temp auto stop 00-23 40012 H: hour time setting (H) (0-23) Fixed temp auto stop 00-59 40013 L: minute...
  • Page 19 4. COMMUNICATION REFERENCE TABLE Reference Setting range Initial Data name Remarks Code (in-transmission) value Program auto start time 00-23 40024 H: hour setting (H) (0-23) Program auto start time 00-59 40025 L: minute setting (L) (0-59) Accumulated power 0-999KW/h 40027 0 KW/h consumption (KW/h) (0-999)
  • Page 20 4. COMMUNICATION REFERENCE TABLE Reference Setting range Initial Data name Remarks Code (in-transmission) value OFF/MLOC/ 41001 Keypad lock setting FLOC/ON (0/1/2/3) CLK (click off)/ 41002 Buzzer sound setting (0/1/2) Calendar setting 2010-2099 41003 2010 (Year) (10-99) Calendar setting 1-12 41004 (Month) (1-12) Calendar setting...
  • Page 21 4. COMMUNICATION REFERENCE TABLE Reference Setting range Initial Data name Remarks Code (in-transmission) value Defrost operation cycle 1-96h 41014 Automatic operation only* setting (1-96) Defrost operation time 0-59min Common to automatic & 41015 5min setting (0-59) manual operation* Fan speed setting: 0-10 41016 during standby...
  • Page 22 4. COMMUNICATION REFERENCE TABLE Reference Setting range Initial Data name Remarks Code (in-transmission) value Event output setting: OFF/ON 41027 event 2 output at the (0/1) end of operation Event output setting: OFF/ON 41028 event 3 output during (0/1) standby Event output setting: OFF/ON 41029 event 3 output during...
  • Page 23 4. COMMUNICATION REFERENCE TABLE Reference Setting range Data name Code (in-transmission) 0: Fixed temp operation 1: Fixed temp auto start 2: Fixed temp auto stop 3: Program operation 4: Program auto start 5: Local (at the time of writing, and the end of mode) Operation mode: ◆Remote mode start setting is not available when 46001...

  • Page 24: Function Code 04

    4. COMMUNICATION REFERENCE TABLE 4.2: Function code 04 Reference Setting range Data name Code (in-transmission) K: -30℃ to 610℃ R: -30℃ to 1210℃ T: -200℃ to 210℃ PT1: -110℃ to 110℃ PT2: -200℃ to 410℃ Current temp monitor 30101 (PV) ◆Refer to main unit instruction manual for above sensors.
  • Page 25 4. COMMUNICATION REFERENCE TABLE Reference Setting range Data name Code (in-transmission) BIT0 = temp sensor error BIT1 = triac (SSR) short circuit BIT2 = Heater disconnection BIT3 = Fan error BIT4 = Automatic damper error* BIT5 = Independent overheat prevention device error BIT6 = Three-phase power supply error* BIT7 = Main relay contact failure BIT8 = Refrigerator error*...
  • Page 26 4. COMMUNICATION REFERENCE TABLE Reference Setting range Data name Code (in-transmission) Running step repeat [High order byte] destination No./ Repeat destination No. 0-99 30111 remaining number of [Low order byte] step repeats Remaining number of repeats 0-99/255 (INF = 255) [High order byte] Fixed temp auto start Hour: 0-99...
  • Page 27 4. COMMUNICATION REFERENCE TABLE Reference Setting range Data name Code (in-transmission) Bit0: fixed temp auto start remaining time (0 = count stop, 1 = counting) Bit1: fixed temp auto stop remaining time (0 = count stop, 1 = counting) Bit2: quick auto stop remaining time (0 = count stop, 1 = counting) Bit3: program auto start remaining time (0 = count stop, 1 = counting)
  • Page 28 4. COMMUNICATION REFERENCE TABLE Reference Setting range Data name Code (in-transmission) 31001 Pattern number 1-99 31002 Step number 1-99 31003 End step setting OFF/ON 31004 Step temp setting SLL-SLH 31005 Step time setting (H) 00-99/INF 31006 Step time setting (L) 00-59/INF Repeat setting: 31007...
  • Page 29 4. COMMUNICATION REFERENCE TABLE Reference Setting range Data name Code (in-transmission) 32471 Pattern number 1-99 32472 Step number 1-99 32473 End step setting OFF/ON 32474 Step temp setting SLL-SLH 32475 Step time setting (H) 00-99/INF 32476 Step time setting (L) 00-59/INF Repeat setting: 32477...

  • Page 30: Communication Sample Message

    5. COMMUNICATION SAMPLE MESSAGE 5.1: ASCII Sample message for ASCII Example 1 * Start number: reference number minus 40001 Fixed temp operation, SV: 100℃, read SV Fixed temp operation SV setting reference number: 40001 – 40001 = 0000 ⇒ 0000 in hexadecimal Error check Send data 0000...

  • Page 31: Rtu

    5. COMMUNICATION SAMPLE MESSAGE 5.2: RTU Sample message for RTU Example 6 Operation mode change * Start number: reference number minus 40001 Fixed temp operation in remote mode: 46001 – 40001 = 6000 ⇒ 1770 in hexadecimal Error check Send data 1770 0000 Master ⇒...

  • Page 32: Precautions

    6. PRECAUTIONS ԂConsider before resending the command. Unit employs two-wire RS-485 communication. Unlike RS-232C, communication is started by a direction from master device without confirming the status of main unit. In some cases, communication processing may become complicated for main unit, leading to communication failure (no response error, or other errors).
  • Page 33 Always operate equipment in strict compliance to the handling and operation procedures set forth by this instruction manual. Yamato Scientific Co., Ltd. assumes no responsibility for malfunction, damage, injury or death, resulting from negligent equipment use. Never attempt to disassemble, repair or perform any procedure which are not expressly mandated by this manual.

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