![]() ![]() This means there is no need to invest into expensive protocol-specific network infrastructure. Those are all cheap and already commonly used in enterprises. Instead, Modbus can work on top of RS-232, RS-485 or TCP/IP over Ethernet. ![]() ![]() Because of this, Modbus is a safe choice for organization to commit to as there are always devices that support it.Īnother major benefit of Modbus is that it does not prescribe a specific physical layer. It’s relative simplicity and robustness and openness made it a protocol of choice for many automation hardware and software vendors. Despite it’s age, Modbus is still one of the most commonly used protocols for field communicaitons.
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