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Industrial Ethernet Guide - Industrial Ethernet Protocols

The following is part of  A Comprehensible Guide to Industrial Ethernet by Wilfried Voss.Note: It is important to re-iterate the point that a sufficiently detailed description of each protocol involved is clearly outside the scope of this book. Complete documents are provided by the respective manufacturers or standardization/user organizations, even though they usually provide little educational [...]

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Industrial-Strength Raspberry Pi Mini Computer With CAN Bus Port Supports Industrial IoT Applications

Techbase, a business specializing in small form factor industrial computers, announced their ModBerry M500, a mini-PC that utilizes the new Raspberry Pi 4. ModBerry devices are suited for use in harsh industrial conditions, e.g., factories, power plants, and more.The foremost advantage of the iMod platform comes with the ease-of-use and a variety of available functionalities. Due to [...]

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PICAN2 - Raspberry Pi CAN Bus HAT Supports SocketCAN and Python Programming

The PICAN2 board provides Controller Area Network (CAN) Bus capabilities for the Raspberry Pi. It uses the Microchip MCP2515 CAN controller with MCP2551 CAN transceiver. The CAN Bus connection is via DB9 or 3-way screw terminal. The board is also available with a 5 VDC 1 Amp SMPS (Switch Mode Power Supply) that can power the Raspberry Pi via [...]

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CAN J1939 Digital Automatic Voltage Regulator

Deep Sea Electronics has introduced its DSEA108 digital automatic voltage regulator with an onboard SAE J1939 port that allows the integration with third-party devices. The DSEA108 regulates the output voltage of an AC alternator that is supplied by a stator auxiliary winding or a shunt system taking power from the output windings. It features higher levels of stability [...]

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Internet-of-Things (IoT) Projects Using The GSM/GPRS/GPS SIM800 Shield For Arduino

Our GSM/GPRS/GPS board is an Arduino shield based on the Quad-band GSM/GPRS/GPS module SIM808, rendering cellular and GPS tracking, all in one module.  It allows you to add location-tracking, voice, text, SMS, and data to your application. This shield fits right on your Arduino or compatible device.  At the heart is a powerful GSM cellular module (we use [...]

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Industrial Ethernet Guide - Ethernet TCP/IP for Process Control

The following is part of  A Comprehensible Guide to Industrial Ethernet by Wilfried Voss.Given all the technical aspects of Ethernet TCP/IP, including its strengths and weaknesses, that have been presented thus far, the critical engineering mind may challenge the need for sophisticated Industrial Ethernet protocols.After all, all Industrial Ethernet protocols benefit from the vast speed of Ethernet TCP/IP. Random delays [...]

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Industrial Ethernet Guide - Switched Ethernet

The following is part of  A Comprehensible Guide to Industrial Ethernet by Wilfried Voss.Ethernet switches are of significant importance when it comes to the total prevention of bus arbitration (CSMA/CD) occurrences, may it be for Ethernet TCP/IP or some (but not all) Industrial Ethernet protocols such as Ethernet/IP and Modbus/TCP. The elimination of the bus arbitration process [...]

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Industrial Ethernet Guide - Ethernet TCP/IP Is Not Deterministic

The following is part of  A Comprehensible Guide to Industrial Ethernet by Wilfried Voss.As the term Ethernet TCP/IP (Transmission Control Protocol / Internet Protocol) indicates, Ethernet TCP/IP is not a single protocol. It comprises of a full suite of protocols or, in other words, Ethernet TCP/IP is a layered protocol, where each layer builds upon its lower [...]

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Industrial Ethernet Guide - “Hard” and “Soft” Real-Time Control

The following is part of  A Comprehensible Guide to Industrial Ethernet by Wilfried Voss.“Hard” real-time (HRT) control systems are designed to support specific response times, and thus, they are highly deterministic, but they depend on stable cycle time. A missed deadline may post a safety hazard or other serious consequences.“Soft” real-time (SRT) systems deliver a best-effort response, and there is [...]

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Industrial Ethernet Guide - Execution Speed and Determinacy

The following is part of  A Comprehensible Guide to Industrial Ethernet by Wilfried Voss.High-speed and high-precision manufacturing equipment such as, for instance, a robotic arm utilizes electric components like motion controllers, programmable logic controllers (PLC), feedback devices, and more, and it is mandatory for the machine’s performance that these components work together in a synchronized fashion. [...]

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