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Crane Monitoring Encoder

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Description

Weihai IDENCODER Electronic Technology Co.,Ltd is one of the leading crane monitoring encoder manufacturers and suppliers,Website:http://www.idencoder.net, equipped with one of the famous brands, welcome to buy our customized bulk crane encoder in stock and you are also welcomed to check the price, pricelist or the quotation with our factory.


MODBUS Protocol is a protocol used for PROFIBUS, it identifies that a device controller can recognize and use information frame, and it describes the process that how main station controller visits slave devices, also, it stipulates how slave devices makes response, inspects and reports transmission errors.
?MODBUS encoder, using bundled software, can conduct auto-detect and set of Baud rate, allocate Site URL, select the accounting direction of encoder. ?MODBUS protocol Adopting MODBUS RTU protocol. 8BIT data bits, no odd-even check, 1BIT stop bit.


Information Frame:





Address Code


Function Code


Data Area


Error-Checking Code




8BITS


8BITS


N*8BITS


16BITS





Address Code: Primary device puts the device& acute;s address which is to contact with into the information frame& acute;s address field to select slave device. When slave device sends a reply information, it puts its address into the reply information frame& acute;s address in order to let primary device know which slave device made that response. The range of address code is from 1 to 254.Function Code: When information is delivered from primary device to slave device, the function code would inform slave code what action should be carried out. When slave device replies, it uses function code to judg

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