Course Prerequisite(s)
- Please note that this course has the following prerequisites which must be completed before it can be accessed
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Course Environment
About Course
MODBUS© Protocol is a messaging structure, widely used to establish master-slave communication between intelligent devices. A MODBUS message sent from a master to a slave contains the address of the slave, the ‘command’ (e.g. ‘read register’ or ‘write register’), the data, and a check sum (LRC or CRC).
Since Modbus protocol is just a messaging structure, it is independent of the underlying physical layer. It is traditionally implemented using RS232, RS422, or RS485
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Course Content
Modbus Protocol
Introduction
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