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DOC1037163
Serial Communication
Manual
PRODUCT NAME
Air cooled Thermo-con (Compact type)
MODEL / Series / Product Number
INR-244-832
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.
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Summary of Contents for SMC Networks INR-244-832
- Page 1 PRODUCT NAME Air cooled Thermo-con (Compact type) MODEL / Series / Product Number INR-244-832 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,...
- Page 3 History History Version Preface Contents Chap.1 Chap.2 Chap.3 Chap.4 Apr/28/23 Apr/28/23 Apr/28/23 Apr/28/23 Apr/28/23 Apr/28/23 Record of Changes Version Contents Date First edition Apr/28/23 INR-244-832...
- Page 4 Please contact the following for any question and unclear points regarding the Thermo-con. SMC Corporation R&D Center Product Development Division-6 Address: 4-2-2, KINUNODAI,TSUKUBAMIRAI-CITY , IBARAKI-KEN 300-2493, JAPAN Phone:+81-297-52-6666 Fax:+81-297-20-5007 E-mail:kaihatsu_6_g3@smcjpn.co.jp Notice: The content of this manual can be revised without a previous notice. INR-244-832...
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Page 5: Table Of Contents
) -------------------- 3-3 OMPOSITION OF ESPONSE ESSAGE FROM THE PRODUCT TO MASTER ---------------------------------------------------------------------------------- 3-4 XPLANATION OF ----------------------------------------------------------------------- 3-6 AUTIONS FOR OMMUNICATION ------------------------------------------------------------------------------ 3-7 OMMUNICATION XAMPLE ----------------------------------------------------------------------------------------------- 3-9 ONNECTION ------------------------------------------------------------------------------ 3-9 DENTIFICATION 3.10 ASCII C --------------------------------------------------------------------------------------- 3-9 4 TROUBLESHOOTING ------------------------------------------------------------------ 4-1 INR-244-832... -
Page 7: Preparation For Communication
4) Set the communication method (page 2-1) for all Thermo-con connected. (Refer the operation manual (HEC-OM-Y008) how to set the communication method parameters.) 5) That’s all for preparation of communication. Then if a communication command from the host computer is given, each Thermo-con will respond. Figure1-1 Communication Connection INR-244-832... -
Page 9: Options Of Communication Method
“response message”. It does not send a message firstly. From From the From the From product master product master Request Request Master message message Response Response message message This product 1ms or more 0 to 250ms Response delay time setting Required interval Time required for sending/receiving INR-244-832... -
Page 11: Communication Format
All set values input by communication function are not stored. If they need to be stored, send a request message to store them in accordance with page 3-2 ” 3.3 Composition of Required Message (from master to the product)”. INR-244-832... -
Page 12: Composition Of Required Message (From Master To The Product)
◼ Composition of request message to read ◼ Composition of request message to write ◼ Composition of request message to store Ｓ Ｅ Ｂ Ｔ □ □ W Ｓ Ｔ Ｒ Ｔ Ｃ Ｘ Ｘ Ｃ ① ② ③ ④ ⑥ ⑦ INR-244-832... -
Page 13: Composition Of Response Message (From The Product To Master)
Composition of Response Message (from the product to master) Refer to page 3-4 “3.5 Explanation of Code” for codes 1 to 10. ◼ Response message to request message to read ◼ Response message to request message to write and store ◼ Response message to error INR-244-832... -
Page 14: Explanation Of Code
“request message” contains no errors. ⑨ NAK The negation code included in the “response message” of the product and sent with error type information (refer to “⑩ Error type”) when the received “request message” contains an error. INR-244-832... - Page 15 The numeric data is given an ASCII code other than the one for numeric data. The position for the symbol is assigned an ASCII code other than “0” or “-“. Format error BCC error Overrun error Framing error Parity error INR-244-832...
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Page 16: Cautions For Communication
⑧ Storage of data other than the “request message to store” When a parameter is changed with a key-in operation, the product stores all parameters into the EEPROM even if not receiving a ”request message to store”. INR-244-832... -
Page 17: Communication Example
ASCII code ① Start code ② Address 30H 31H ③ Required content R (read) ④ Identifier 50H 56H 31H ⑤ Numeric data 00250 30H 30H 32H 35H 30H ⑥ End code ⑦ BCC data: Request Response ⑧ Acknowledge code INR-244-832... - Page 18 ASCII code ① Start code ② Address 31H 30H ③ Required content W (write) ④ Identifier 53H 56H 31H ⑤ Numeric data 00200 30H 30H 32H 30H 30H ⑥ End code ⑦ BCC data: Request Response ⑧ Acknowledge code INR-244-832...
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Page 19: Connection
Note) “_” means 20H (space). 3.10 ASCII Code List Table 3-3 ASCII code ASCII code Code used ASCII code Number used ASCII code Number used Minus Space ASCII code Character used ASCII code Character used ASCII code Character used INR-244-832... -
Page 21: Troubleshooting
Check the connecting cable. continued. broken. When sending communication The thermo-con does not give The host sends more than one data, wait until an answer from the a correct answer. communication data successively. thermo-con is received to send the next data. INR-244-832... - Page 22 Revision history 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 https://www.smcworld.com Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. © 2023 SMC Corporation All Rights Reserved...
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