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Ground Wire for RS485 or Not?

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작성자 Hannelore
댓글 0건 조회 2회 작성일 25-04-26 16:25

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SATA Cables: The Industry Standard for Connecting Storage Devices SATA stands for Serial Advanced Technology Attachment and is a standard attachment standard that is widely used for connecting various peripherals such as hard disks, optical drives and solid-state drives to a computer motherboard. Perhaps the most successful serial-data standard for PC and telecom applications is the RS-232. It is an approved and standard protocol by American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), American National Standards Institute (ANSI), and International Organization for Standardization (ISO).Use with Structure View data visualizer, Text Exporter or Custom View data visualizer to get full insight on underlying protocol messages exchanged by devices on your network. Our product provides simultaneous data tracking, data parsing (according to any given protocol), data filtering, event processing, packet construction and automation by means of scripting. In Basic mode only the main packet fields are decoded and displayed, while some others being available as popup hints. There are several, notice the one in your circuit is Earth, there is only one Earth. If it were a local one then there would be two different ground symbols. The visualizer has two windows, one of which displays data sent to the Serial device, and another one displays data received from the Serial device.All subsequent packets are concatenated into a single data stream, which is displayed as sequence of hexadecimal, decimal, octal, binary data and text.


I plugged the male-male adapter to the cable and touched the middle pin again, and I could see garbage data again. Additionally, this cable supports half-duplex communication, enabling devices to both send and receive data, although not simultaneously. Useful Supports session data logging for replaying back later. The serial bridge Data View visualizer has two panes. Structure View data visualizer is a two-part window. Since our product allows you to parse and log serial data coming from multiple serial devices connected to the PC or even remote ones using your local or Internet connection, it can be used as a foundation for building various integration solutions based on it. It should be judged according to the model of the chip in the 485 converter and the model of the 485 device chip, and the load capacity can only be determined according to the chip with a lower index. The 485 communication line is composed of two twisted-pair lines.


An RS485 system should ideally consist of a single linear cable (with no branching) with 120-ohm resistors linked across the two wires at each end. In RS485 standard, data is transmitted via two wires twisted together also referred to as "Twisted Pair Cable". There are two data wires (they are not differential, but carry a current which drives an LED in an optocoupler). It displays incoming and outgoing text data. This exporter parses captured serial port data according to the loaded set of protocols, applies optional protocol-based filtering and Root Protocol and writes the resulting text data into the output file. Data logging also supports multi-source sessions. If field consists of other fields, you may expand it.Visualizer supports configuring protocol-based filtering (aka Display Filter) and allows changing of the root protocol. This exporter parses captured serial port data according to the loaded set of protocols, applies optional protocol-based filtering and Root Protocol and writes the resulting binary data into the output file. The product allows you to customize the list of data being analyzed, and specify the type and form of the analysis. Alternatively, the stream may be displayed as a sequence of floating-point numbers with single or double precision.The data visualizer is extremely flexible and allows you to customize both its layout and appearance.


Cautious Allows you to save monitored data even after session is stopped. With this unique feature of our product, you can snoop data even on remote serial ports. Since such set is provided only by our product, it is the only one you can use to create inexpensive automatic testing systems for serial equipment and applications. It can come of great help when you need to debug your device and verify its responses. MODBUS is an application layer messaging protocol, positioned at level 7 of the OSI model, that provides client/server communication between devices connected on different types of buses or networks.Serial MODBUS View visualizer parses MODBUS protocol requests and responses according to MODBUS APPLICATION PROTOCOL SPECIFICATION V1.1a. Modbus devices communicate using a Master-Slave technique where only one device (the Master) can initiate transactions (AKA queries). You can specify different settings for both ports including baud rate, parity, byte size, stop bits and flow control. The flow meters relay flow information in real-time to the central control system via RS-485, halting the supply once the specified amount of reagent is dispensed.



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