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  • 0129.Jan.2016
    Friday
    02

    SENSORS VIETNAM- SENSING & CONTROL

    AIR DIFFERENTIAL PRESSURE TRANSMITTER, TEMPERATURE SENSOR, TEMPERATURE AND HUMIDITY SENSOR, PRESSURE SENSOR, CO GAS SENSOR, CO2 GAS SENSOR, SMOKE SENSOR, PROXIMITY SENSOR, CAPACITIVE SENSOR, PRESSURE SWITCH, WARNING LIGHT View
  • 0201.Feb.2016
    Monday
    03

    COMMUNICATION PROTOCOL

    Hardware and software standards that govern data transmission between computers. The term "protocol" is very generic and is used for hundreds of different communications methods. A protocol may define the packet structure of the data transmitted or the control commands that manage the session, or both View
  • 0318.Aug.2025
    Monday
    04

    CARBON MONOXIDE CONTROL PANEL

    CARBON MONOXIDE CONTROL PANEL, CARBON MONOXIDE CONTROL PANELS, CARBON MONOXIDE CONTROLLER, CARBON MONOXIDE WARNING SYSTEM, CARBON MONOXIDE CONTROL PANEL PROSENSE, CARBON MONOXIDE CONTROLLERS View
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    Saturday
    05

    DUCT CARBON DIOXIDE TRANSMITTER EMS KT-241

    DUCT CARBON DIOXIDE TRANSMITTER EMS KT-241 0-5000 PPM,DUCT CARBON DIOXIDE TRANSMITTER EMS KT-241 0-10000 PPM, DUCT CARBON DIOXIDE TRANSMITTER 4-20MA, DUCT CARBON DIOXIDE TRANSMITTER MODBUS RTU, DUCT CARBON DIOXIDE TRANSMITTER EMS 0-10V View
  • 0503.Feb.2016
    Wednesday
    06

    SENSORS VIETNAM- PROVIDE SERVICES MONITORING WIN TURBINE

    The complete condition monitoring solution for wind turbines by Sensors Vietnam – with extensive industry experience: The specialists at Gantner Instruments offer a tried and tested monitoring concept specifically tailored to wind turbines. Our unique solution was originally developed many years ago in close cooperation with wind turbine manufacturers, operators and service departments. View
  • 0631.Jan.2016
    Sunday
    07

    CATELOGY SOLENOID VALVE

    Solenoid valves control the flow of fluids, air, gases and other media in many types of systems and products. Each valve is in turn controlled by an electric current that passes through the solenoid. These electromechanically operated valves come in a broad range of configurations and materials suitable for countless applications. View
  • 0701.Feb.2016
    Monday
    08

    SENSORS VIETNAM -DISTRIBUTION SOLENOID VALVE

    Range of solenoid valve includes types and configurations for a wide variety of hydraulic, pneumatic, instrumentation, medical, refrigeration and aerospace applications. Solenoid valve solutions from US offer reliability, fast and safe switching and compact designs suitable for challenging environments. View
  • 0801.Feb.2016
    Monday
    09

    SENSORS VIETNAM- DISTRIBUTION COLOR SENSORS OF ASTECH- GERMANY

    CROMLAVIEW color sensors are based on the three-range procedure and they process colors according to human perception. Color-sensitive filters, which emulate the tristimulus function of the human eye, facilitate the correct recognition of color values. In terms of color information, opaque solid objects can be evaluated in the epi-illumination method, transparent liquids in the transmitted light method and self-luminous objects… View
  • 0901.Feb.2016
    Monday
    9

    SENSORS VIETNAM- SYNCHRONIZATION GENERATOR SERVICES

    In an alternating current electric power system, synchronization is the process of matching the speed and frequency of a generator or other source to a running network. An AC generator cannot deliver power to an electrical grid unless it is running at the same frequency as the network. If two segments of a grid are disconnected, they cannot exchange AC… View
  • 1003.Feb.2016
    Wednesday
    10

    SENSORS VIETNAM- DISTRIBUTION DIGITAL PRESSURE GAUGE ATLANTIC- TAIWAN

    Re-Atlantis Enterprise Co., Ltd. manufactures pressure gauges, thermometers,and its extending products. Our overseas markets include North America, South America, Asia and Europe. Having high-tech facilities and machinery, we will assure of the excellent quality and the competitive price. View

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ETHERCAT COMMUNICATION PROTOCOLS

Date 03/Feb/2016 at 11:08 PM - View: 10721

This section provides an in-depth introduction into EtherCAT (Ethernet for Control Automation Technology). EtherCAT is a real-time Industrial Ethernet technology originally developed by Beckhoff Automation. The EtherCAT protocol which is disclosed in the IEC standard IEC61158 is suitable for hard and soft real-time requirements in automation technology, in test and measurement and many other applications.

The main focus during the development of EtherCAT was on short cycle times (≤ 100 µs), low jitter for accurate synchronization (≤ 1 µs) and low hardware costs.

EtherCAT was introduced in April 2003, and the EtherCAT Technology Group was founded in November 2003 - Meanwhile ETG has grown into the world’s largest Industrial Ethernet and fieldbus organization. The ETG brings together manufacturers and users, which contribute in technical working groups to the advancement of the EtherCAT technology.

1. Features of EtherCAT

1.1 Functional Principle
1.2 Protocol
1.3 Topology
1.4 Synchronization
1.5 Diagnosis and Error Localization
1.6 High Availability
1.7 Safe Data Transfe
1.8 Communication Profiles
1.8.1 CAN Application Protocol over EtherCAT (CoE)
1.8.2 Servo Drive Profile according to IEC 61491-7-204 over EtherCAT (SoE)
1.8.3 Ethernet over EtherCAT (EoE)
1.8.4 File Access over EtherCAT (FoE)
1.9 EtherCAT Automation Protocol (EAP)
1.10 Integration of other Bus Systems

2. Implementation

2.1 Master
2.2 Slave

3. Conformance and Certification

3.1 Plug Fest
3.2 Conformance Test Tool
3.3 Technical Working Group Conformance
3.4 EtherCAT Test Center

4. International Standardization

 

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