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                SC7202B    Us er Ma nual                   

http://www.sonbus.com/ 

Sha nghai Son

best Industrial Co., Ltd                                                                             Page1

 

 

SC7202B 

RS485 interface with communication function temperature 

controller 

User Manual   

 

File Version: V21.12.10

   

        SC7202B using the standard   RS485 bus MODBUS-RTU protocol,easy access to PLC

DCS and 

other instruments or systems for monitoring temperature state quantities.The internal use of high -precision 

sensing core and related devices to ensure high reliability and excellent long-term stability,can be 

customized RS232,RS485,CAN,4-20mA,DC0~5V\10V,ZIGBEE,Lora,WIFI,GPRS and other output 
methods. 

Содержание SC7202B

Страница 1: ... 10 SC7202B using the standard RS485 bus MODBUS RTU protocol easy access to PLC DCS and other instruments or systems for monitoring temperature state quantities The internal use of high precision sensing core and related devices to ensure high reliability and excellent long term stability can be customized RS232 RS485 CAN 4 20mA DC0 5V 10V ZIGBEE Lora WIFI GPRS and other output methods ...

Страница 2: ...ect the cable to confirm the correctness and then use it again ID Core color Identification Note 1 Red V Power 2 Green V Power 3 Yellow A RS485 A 4 Blue B RS485 B In the case of broken wires wire the wires as shown in the figure If the product itself has no leads the core color is for reference Communication Protocol The product uses RS485 MODBUS RTU standard protocol format all operation or reply...

Страница 3: ...Code CRC16 01 03 02 55 3C 00 01 3A 79 Response should be in the data the first byte 01 indicates that the real address of the current device is 55 3C converted to decimal 20182 indicates that the current device main model is 21820 the last two bytes 00 01 Indicates that the device has a status quantity 2 Change device address For example if the current device address is 1 we want to change to 02 t...

Страница 4: ...ay value is too small we can correct it by adding 100 The command is 01 03 00 6B 00 01 F5 D6 In the command 100 is hex 0x64 If you need to reduce you can set a negative value such as 100 corresponding to the hexadecimal value of FF 9C which is calculated as 100 65535 65435 and then converted to hexadecimal to 0x FF 9C The correction value starts from 00 6B We take the first parameter as an example...

Страница 5: ...mpany makes no warranties express or implied regarding the sale and use of this product including the suitability for the specific use of the product the marketability or the infringement liability for any patent copyright or other intellectual property rights etc Product specifications and product descriptions may be modified at any time without notice Contact Us Company Shanghai Sonbest Industri...

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