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RS232 and RS485 serial communication protocols RS232 and RS485 are both serial communication protocols used for data transmission between devices. Here’s a brief overview of each: RS232: 1. Point-to-point communication: One device can communicate with only one other device. 2. Short distance: Typically used for distances up to 15 meters (50 feet). 3. Low speed: […]
What is Serial Communication? Serial communication in PLC (Programmable Logic Controller) refers to the process of transmitting and receiving data between devices in a sequential manner, one bit at a time, over a single communication channel or wire. In serial communication: 1. Data is transmitted in a series of bits (0s and 1s) through a […]
What is Modbus TCP/IP: Data Flow and Key Components Modbus TCP/IP is a robust communication protocol that combines the simplicity of Modbus with the flexibility of TCP/IP networking. This powerful combination enables seamless communication between industrial devices, making it a staple in modern automation systems. Key Components: – Modbus Master: Initiates communication and sends requests […]
RS232 vs. RS485 In the world of industrial automation, serial communication standards like RS232 and RS485 play a crucial role in connecting devices and enabling data exchange. But what’s the difference between them? RS232 – Used for short-distance communication (up to 15 meters) – One-to-one connection (one device talks to another) – Limited to one […]