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                SM1882B    Us er Ma nual                   

http://www.sonbus.com/ 

Sha nghai Son

best Industrial Co., Ltd                                                                             Page5

 

        For example, the current state quantity is too small, we want to add 1 to its true value, and the current 

value plus 100 correction operation command is:01 06 00 6B 00 64 F9 FD .   

Device ID 

Function id 

Start Address 

Destination 

CRC16 

01 

06 

00 6B 

00 64 

F9 FD 

        After the operation is successful, the device will return information: 01 06 00 6B 00 64 F9 FD, the 

parameters take effect immediately after successful change. 

        Disclaimer 

        This document provides all information about the product, does not grant  any license to intellectual 

property, does not express or imply, and prohibits any other means of granting any intellectual property 

rights, such as the statement of sales terms and conditions of this product, other issues. No liability is 

assumed. Furthermore, our company 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 Industrial Co., Ltd   

        Address:Building 8,No.215 North east road,Baoshan District,Shanghai,China 

        Web: http://www.sonbest.com  

        Web:    http://www.sonbus.com   

        SKYPE:  soobuu   

        Email: [email protected] 

        Tel: 86-021-51083595 / 66862055 / 66862075 / 66861077 

 

Содержание SM1882B

Страница 1: ...us MODBUS RTU protocol easy access to PLC DCS and other instruments or systems for monitoring atmospheric pressure 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 Technical Parameters Technical parameter...

Страница 2: ...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 commands are hexadecimal...

Страница 3: ... Length CRC16 FA 03 00 64 00 02 90 5F FA is 250 for the general address When you don t know the address you can use 250 to get the real device address 00 64 is the device model register For the correct query command the device will respond for example the response data is 01 03 02 07 12 3A 79 the format of which is as shown in the following table Device ID Function id Start Address Model Code CRC1...

Страница 4: ... point the device will lose its response and the baud rate of the device should be queried accordingly Modified 5 Read Correction Value 1 Read Correction Value When there is an error between the data and the reference standard we can reduce the display error by adjusting the correction value The correction difference can be modified to be plus or minus 1000 t hat is the value range is 0 1000 or 64...

Страница 5: ...s or imply and prohibits any other means of granting any intellectual property rights such as the statement of sales terms and conditions of this product other issues No liability is assumed Furthermore our company 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 lia...

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