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The differences between the two types of communication

2016-03-26View Original

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What is the difference between MODBUS RTU and MODBUS TCP/IP?
Reply #22016-03-26
Also: In what situations are each applicable?
Reply #32016-03-26
One requires hard wiring, while the other doesn’t; that’s my personal understanding
Reply #42016-03-26
From a physical perspective of the communication protocols, the Modbus protocol is typically used for serial connections, which can be of any type such as RS232/422/485. There are two versions of this protocol: Modbus ASCII and Modbus RTU； The Modbus TCP/IP protocol is generally used with Ethernet connections and RJ45 interfaces.
Reply #52016-04-01
The former is bus-type, while the latter is network communication

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Translated at 2026-07-21 00:37:54

Original: https://bbs.hcbbs.com/thread-1575689-1-1.html

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