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THERMO-CON
Model No.
HEC001 series
HEC003 series
HEC012 series
Keep available whenever necessary.
This manual is copyrighted and all rights are reserved by SMC
Corporation, and may not, in whole or in part, be copied,
photocopied or translated without prior written consent of SMC.
サーモコン
HEC002-A
HEC002 series
HEC006 series
A_HEC-OM-J017
© 2006 SMC CORPORATION All Rights Reserved
Rev.May.2010
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Summary of Contents for SMC Networks THERMO-CON HEC001 Series
- Page 1 A_HEC-OM-J017 Rev.May.2010 サーモコン HEC002-A THERMO-CON Model No. HEC001 series HEC002 series HEC003 series HEC006 series HEC012 series Keep available whenever necessary. This manual is copyrighted and all rights are reserved by SMC Corporation, and may not, in whole or in part, be copied, photocopied or translated without prior written consent of SMC.
- Page 3 History History Version Preface Contents Chap.1 Chap.2 Chap.3 Chap.4 Chap.5 Chap.6 Record of Changes Version Contents Date First edition June.2006 The series name is added to the cover.The product photography of the May.2010 cover is deleted.
- Page 4 Preface Preface Thank you very much for purchasing SMC Thermo-con. This manual contains description for communication of this product for your full benefit from this product. Read the operation manual carefully before use of this product, and understand the outline of the product and safety instructions well.
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Page 5: Table Of Contents
CONTENTS CONTENTS Pages Preparation for Communication ------------------------------------------------- 1-1 Specifications of Communication Method ----------------------------------- 2-1 Communication Format ------------------------------------------------------------- 3-1 3.1 Control code used for communication -------------------------------------------------------------- 3-1 3.2 Command code list --------------------------------------------------------------------------------------- 3-1 3.3 Communication procedures and format ------------------------------------------------------------ 3-2 3.4 Calculation of checksum -------------------------------------------------------------------------------- 3-3 Details of Communication format ----------------------------------------------- 4-1 4.1 Temperature setting (without writing EEPROM) -------------------------------------------------- 4-1 4.2 Reading setting temperature --------------------------------------------------------------------------- 4-1... -
Page 7: Preparation For Communication
Preparation for Communication Preparation for Communication Make preparation for using communication facility as follows. 1) Turn off the power switch of Thermo-con. 2) Connect communication cable to communication connector (RS-485 of RS-232C) of Thermo-con. ･Use twist pair shield cable as communication cable. ･Connect the host and thermo-con with the cross cable for RS-232C and the straight cable for RS-485. -
Page 9: Specifications Of Communication Method
Specifications of Communication Method Specifications of Communication Method ・Standards･････････････････････････････････････ RS-485 or RS-232C ・Circuit type･･･････････････････････････････････ Half duplex ・Communication type･･･････････････････････････ Asynchronous ・Communication speed･･････････････････････････ Changeable, 600,1200,2400,4800,9600,19200 bps ・Character code････････････････････････････････ ASCII ・Parity･････････････････････････････････････････ Select, Nil, even number, odd number ・Start bit･･････････････････････････････････････ １bit ・Data length･･･････････････････････････････････ Select 7 bit or 8 bit. ・Stop bit･･･････････････････････････････････････... -
Page 11: Communication Format
Communication Format Communication Format Control code used for communication ・ ”H” of ASCII code indicates hexa code. Control code ASCII code Command code list Command code (COM) Contents Set temperature (without writing EEPROM) and read Read internal sensor Read external sensor Read alarm status Read temperature average data (It is same as reading external sensor in this model.) -
Page 12: Communication Procedures And Format
Communication Format Communication procedures and format The host computer has the initiative of sequence. Sequence always starts from the host computer and each Thermo-con replies it. If communication data is processed normally, the Thermo-con returns specified response and if processing communication data is failed, no response is returned. When no response is returned to the host computer from the Thermo-con even if waiting for 3 sec., resend the data. -
Page 13: Calculation Of Checksum
Communication Format <Specifying unit> Host → Check sum ← Thermo-con Data Check sum Host → (Possible to omit) ･ COM indicates communication command. ･ UT indicates unit No. of each Thermo-con. Unit No. is the No. to identify each Thermo-cons when 2 or more Thermo-cons are linked by communication. -
Page 15: Details Of Communication Format
Details of Communication Format Details of Communication Format Temperature setting (without writing EEPROM) The host computer sets temperature of each Thermo-con. In this command, temperature setting data is not written in EEPROM. This data is invalidated by turning off power. The setting range is from 10.0 to 60.0 deg.C. -
Page 16: Reading Internal Sensor
Details of Communication Format <Specifying unit> Host → Check sum (Ｈ) (Ｌ) ← Thermo-con Setting data Check sum (Ｈ) (Ｌ) Host → (Possible to omit) Reading internal sensor As the minimum unit is 0.01 deg.C, the value in the hundredths place can be read. Host →... -
Page 17: Reading External Sensor
Details of Communication Format Reading external sensor As the minimum unit is 0.01 deg.C, the value in the hundredths place can be read. Host → Check sum (Ｈ) (Ｌ) ← Thermo-con External sensor Check sum (Ｈ) (Ｌ) Host → (Possible to omit) digit “-“... - Page 18 Details of Communication Format <Specifying unit> Host → Check sum (Ｈ) (Ｌ) ← Thermo-con Data Check sum (Ｈ) (Ｌ) Host → (Possible to omit) Data (D2, D2, D3) changes following bit line to ASCII code. (1 is for ON, 0 is for OFF) High temp.
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Page 19: Reading Temperature Average Data
Details of Communication Format Reading temperature average data Note) For this product, the average temperature data, Tm, indicates the temperature of the external sensor. Refer to “4-4 Reading external sensor” for the format. Offset setting (without writing EEPROM) Set offset of each Thermo-con from host. In this command, offset data loses effect with furning power to OFF because it isn’t memorized into EEPROM. -
Page 20: Temperature Setting (With Writing Eeprom)
Details of Communication Format <Specifying unit> Host → Check sum (Ｈ) (Ｌ) ← Thermo-con Offset Check sum Symbol 10 (Ｈ) (Ｌ) Host → (Possible to omit) Note) As for symbols, minus is indicated by “-“(=2DH) and plus is indicated by “0”(=30H). Temperature setting (with writing EEPROM) The host computer sets temperature of each Thermo-con. -
Page 21: Offset Setting (With Writing Eeprom)
Details of Communication Format 4-10 Offset setting (with writing EEPROM) Set offset of each Thermo-con from host. In this command, offset data is memorized into EEPROM. It can be set at every minimum unit of +/-0.01 deg.C. Host → Offset Check sum Symbol 10 (Ｈ) -
Page 23: Troubleshooting
Troubleshooting 5 Troubleshooting The table below shows the solutions for the problems. Problem Cause Solution Connect the host and the thermo- con with the following cables: A wrong connecting cable is used. A cross cable for RS-232C A straight cable for RS-485 Make the following settings of the host and the thermo-con The settings of the host and... -
Page 25: Communication Format And
Communication Format and Examples of Answers from Thermo-con Communication Format and Examples of Answers from Thermo-con Examples of commands and answers from the thermo-con (unit unspecified) Command Unit code Command Host requirement Answer from thermo-con Content specified ASCII Reading setting Answer “25.0 02 31 32 35 30 30 03 3F 38 05 31 33 31 0D...
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