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  • Essential Facts about RS232, RS485 and RS422 Serial Ports
    Once a standard feature on personal computers, the RS232 serial port was one of the first used to connect data terminals to mainframe computers. It remained in widespread use for serial communications between PCs, printers and other peripherals until the late 1990's, after which it was superseded
  • Eliminate the Risk of RS-485 Data Corruption
    The RS-485 communications standard was introduced in 1983 by the Electronic Industries Alliance (EIA) as a two-wire, half-duplex, multi-drop alternative to the point-to-point RS-232 interface. (Note: RS-485 can also be wired using 4-wires to enable full-duplex communication). RS-485 uses
  • The State of Industrial Serial Communication
    RS-232, RS-422, and RS-485 have a long history in industrial automation. One of Moxa's most experienced engineers discusses the state of these legacy communication standards and how they are integrated in today's industrial communication equipment.
  • Utility Monitoring System at International Airport
    At a new international airport terminal, the equipment that monitored different aspects of airport operation needed to be connected to a control room over different media interfaces including Ethernet, RS-232, RS-422, and RS-485. An industrial communication solution was necessary to incorporate
  • VoIP in Industrial Networks - Implementing QoS for Reliable Voice Over Industrial Ethernet
    For many years, serial interfaces such as current loop, RS-232, and RS-485 have been the preferred methods for industrial communications. Ethernet offers high reliability with the proven ability to adapt to changing environments, especially new types of media (coaxial cable and wireless
  • Dual Protocol Transceivers Ease the Design of Industrial Interfaces
    The trend in industrial PC designs towards smaller form factors and more communication versatility is driving the development of modern bus transceivers. This white paper discusses the industry's most commonly used interface standards, RS-232 and RS-485, reviews the functionality and features
  • VoIP in Industrial Networks
    For many years, serial interfaces such as current loop, RS-232, and RS-485 have been the preferred methods for industrial communications. Ethernet offers high reliability with the proven ability to adapt to changing environments, especially new types of media (coaxial cable and wireless
  • Motion Control
    The FAULHABER Group offers a complete line of programmable motion controllers with various communication and performance features to fit your application. We offer controllers with multiple interfaces like RS-485, DeviceNet, or RS-232, CANopen interface. All controllers come complete

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  • Microcontrollers in Practice
    Schematic of the RS232 -to- RS485 converter .
  • Industrial Instrumentation and Control Systems
    As the RS232 port connection schematic diagram of SP244 Card shown in Figure 1, because each sub-system is far away … … to turn RS-232 port for PLC (or chip microprocessor) of each sub-system into RS485 port [3] through conversion …
  • Advanced Technologies on Measure and Diagnosis, Manufacturing Systems and Environment Engineering
    … the whole APF , which includes a FPGA chip EP1C12Q240, a AD chip ADS7864, two high-speed SRAM chip IDT71V416S ,a FLASH chip AM29LV1065D,a RS485 chip MAX3485,a RS232 chip MAX3223 and the … … VHDL language and the schematic design, in order to …
  • Materials Engineering and Automatic Control
    Fig.1 The mechanical system and control system schematic of seismic simulation platform a-the dual driven … As RS485 interface has a better performance than serial RS232 interface, and RS485 interface provided in inverter can be applied to PC/PLC to achieve centralized monitoring [4,5], study has been carried out on the communication control mode with RS485 of PLC …
  • Computer Cables
    FT232 chip is capable to transfer data at speeds up to 1M Baud in RS232 mode and up to 3M Baud in the RS485 mode. Schematic contains the on-board serial EEPROM (93LC46) for storing the ID data (VID, PID, serial number …
  • Computer and Computing Technologies in Agriculture V
    The measurement system consists of communication modules, data acquisition modules, personal computer, RS485 - RS232 converter and software. The schematic of the data acquisition system is shown in Fig.2.
  • Advanced Research on Automation, Communication, Architectonics and Materials III
    … PLC and various instruments to achieve the purpose of real-time control, the schematic structure shown in … … terminals, the inverter input motor connection, servo controller is connected to the output of the motor and encoder; block Ⅲ S7-200 PLC in the left end with the programming port RS232C connected through the RS232 / RS485 cable and EVOC IPC …
  • Wildfire ignition resistant home design(WIRHD) program: Full-scale testing and demonstration final report.
    The schematic showing the placement of the sensors for each radiant panel test is shown in Appendix … The DAQ enclosure box held the FP-1000 RS232 / RS485 Network Module (777517-00) which connected to four FP-TC-120 16-Bit Thermocouple Input Modules (777518-120).