RS-232 Explained: Working Principle, Pinout, Cables & Applications скачать в хорошем качестве

RS-232 Explained: Working Principle, Pinout, Cables & Applications

🎥In this video, you will learn what the RS-232 protocol is and what it stands for. You will explore the types of connectors used in this standard. You will get acquainted with the RS-232 pin diagram. You will understand how the RS-232 facilitates data transmission and reception alongside the various devices utilized in this protocol. You will grasp different types of cables associated with the RS-232 standard. Also, you will realize the advantages and disadvantages of using this protocol for exchanging data. Finally, you will discover application examples where the RS-232 standard is being used. ====================================================== 💬 Video Summary: RS-232 Serial Communication RS-232 functions as a serial data transfer standard. Serial data transmission refers to sending data bit by bit in consecutive order across the communication path. RS-232 Connectors The RS-232 standard commonly utilizes D-subminiature connectors known as DB9 and DB25. The DB9 connector features nine pins, while the DB25 connector has twenty-five pins, each serving specific signal and control functions. RS-232 Pinout Pin 1, the Data Carrier Detect or DCD Pin 2, the Receive Data or RXD Pin 3, the Transmit Data or TXD Pin 4, the Data Terminal Ready or DTR Pin 5, the Signal Ground or GND Pin 6, the Data Set Ready or DSR Pin 7, the Request to Send or RTS Pin 8, the Clear to Send or CTS Pin 9, Ring Indicator or RI RS-232 Working Principle In a basic RS-232 data transfer setup, the transmit and receive pins, TXD and RXD, must be connected between two devices. A ground wire is also necessary to ensure proper functionality and accuracy. Thus, these three links facilitate successful communication between the RS-232 devices. RS-232 Frame Format In RS-232 communication, data is transmitted through a wire as a signal. The signal includes a sequence of voltage levels that encode the data, with the voltage levels being positive or negative relative to a zero-volt reference. RS-232 Devices RS-232 is a specification that ensures serial data transmission between a primary system, Data Terminal Equipment or DTE, and a secondary system, Data Communications Equipment or DCE. RS-232 Cable Types RS-232 cables come in different varieties, including straight-through cables, null-modem cables, and crossover cables. RS-232 Advantages RS-232, a widely used and budget-friendly standard, boasts compatibility with numerous devices and cables designed to support its protocol. The simplicity of RS-232 is the key benefit, ensuring ease of use and straightforward implementation. Also, RS-232 allows for the transmission and reception of data simultaneously, thanks to its full-duplex communication capability. RS-232 Disadvantages The RS-232 standard allows data to be transmitted at speeds of up to 19.2 kilobits per second, significantly slower compared to modern data speeds. Another drawback of the RS-232 protocol involves the limitation that cables can extend up to approximately 50 feet. Also, radio frequency interference, or RFI, and electromagnetic interference, or EMI, often affect RS-232 cables, leading to potential signal loss or degradation. RS-232 Applications This standard is commonly utilized in some PLCs to facilitate communication with devices like human-machine interfaces, industrial PCs, motor drives, robots, CNC machines, vision systems, and similar industrial equipment. ====================================================== ⏰ TABLE OF CONTENTS ⏰ 00:00 What is RS-232? 01:33 RS-232 Connectors 02:08 RS-232 Pinout 03:25 RS-232 Working Principle 06:20 RS-232 Frame Format 07:18 RS-232 Devices 07:33 RS-232 Cables 08:44 RS-232 Advantages 09:17 RS-232 Disadvantages 09:53 RS-232 Applications ====================================================== 🔥 Have you seen our recent popular videos? Capacitive Proximity Sensor:    • Capacitive Proximity Sensor: Working Princ...   NPN Sensor:    • NPN Sensor Explained | Working, Wiring, an...   PNP Sensor:    • What is PNP Sensor? Working, Wiring and Te...   RTU | Remote Terminal Unit:    • What is an RTU? Remote Terminal Unit   RTD Sensor:    • What is an RTD Sensor? Types, Working Prin...   Overload Relay Types & Trip Class:    • Overload Relay Trip Class | Types of Overl...   Overload Relay:    • What is an Overload Relay? Connection & Wo...   HMI | Human Machine Interface:    • What is an HMI? Human Machine Interface   ====================================================== 💡 If you enjoyed this video and want to follow our upcoming videos, subscribe to this YouTube channel and relax your mind: https://bit.ly/3CTjbUi ====================================================== #Automatedo #rs232 #industrialautomation