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HART® Communication Protocol

Easy to use and widely deployed, HART is a bi-directional communication protocol that communicates between HART-enabled field devices and controls systems or field communicators. This protocol features two simultaneous communication channels: analog and digital. The host system converts the current value to a field process variable, and the digital device information is communicated by encoding digital information superimposed on the analog signal.

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FOUNDATION™ Fieldbus Communications Protocol

As a fully-digital communication protocol, FOUNDATION™ Fieldbus provides real-time, closed-loop control between field instruments, host systems and final control elements. Being a peer-to-peer system, communication can occur directly between two fieldbus-enabled devices, between field devices and a control system or from a device to field communicator or asset management system. This protocol also provides control-in-the-field (CIF) alternatives.

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WirelessHART® Communication Protocol

The IEC-approved standard (IEC 62591), WirelessHART® is a self-organizing mesh technology that enables field devices to form wireless networks to  deliver >99% data reliability.  This technology securely delivers continuous data for both control and monitoring applications within harsh industrial conditions. WirelessHART® networks eliminate the physical constraints of wiring while still providing regular field data communication, remote device configuration, and simplified automation expansion.

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Modbus® Communication Protocol

Modbus Protocol is a messaging structure engineered to retreive data from field equipment in master-slave format. This industry-standard protocol is designed to communicate critical data between devices, such as sensors and instruments, as well as monitor field equipment using PCs and HMIs. Used in a wide range of gas, oil and substation applications, Modbus is suited well for RTU applications where wireless communication is prevelent.

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PROFIBUS® Communications Protocol

Standardized in IEC 61158, PROFIBUS (Process Field Bus) PA is a digital communication protocol. This protocol is used to convey field data to a process control systems and features straightforward device management and maintenance. When a field device is exchanged, the new device automatically takes over the role of the previous device, allowing device exchange to be easily implemented without interruption of the system operation.

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OPC Communication Protocol

The OPC Foundation develops and maintains the OPC standard, which includes two series of specifications: OPC Classic and OPC UA (Unified Architecture). The OPC Classic specifications are based on Microsoft Windows technology using the COM/DCOM data exchange. The OPC UA consists of a secure, platform-independent architecture that integrates the functionality of OPC Classic into one extensible framework capable of incorporating new transport protocols, security algorithms and encoding standards.

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HART-IP™ Communication Protocol

A high speed connection for host systems and asset management applications, HART-IP integrates measurement and device diagnostic information from HART-enabled field devices. This protocol option uses existing network infrastructures and easily connects with TCP/IP networks, without translation processes or loss of data. HART-IP enables intelligent device management with easy integration to automation systems as well as remote access to configure devices anywhere in the world.

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DeviceNet™ Communication Protocol

DeviceNet is a digital, multi-drop network engineered to communicate between industrial controllers and I/O devices. Utilizing CAN (Controller Area Network) and a trunkline-dropline topology, this cost-effective network supports I/O and explicit messaging and operates in master-slave or distributed control architecture using peer-to-peer communication. This protocol offers DC power on the network cable and features QuickConnect™ functionality for device exchange while the network is running.

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EtherNet/IP™ Communication Protocol

EtherNet/IP is designed to utilize standard Ethernet technology (IEEE 802.3) for industrial automation applications. This solution maintains compliance with IEEE Ethernet standards and offers topology options, including a conventional star with standard Ethernet infrastructure devices or device level ring (DLR) with EtherNet/IP devices enabled. This protocol also features QuickConnect™, which allows device exchange while the network is running.

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AS-interface® Communication Protocol

Installed using simple piercing technology, AS-interface links binary sensors and actuators and connects them to a higher control level. This cost-efficient protocol uses a single two-conductor flat cable that supplies power to the components and enables data transfer, eliminating the need for complex cable trees. This interface can be used with any network topology and features the click-and-go principle, allowing the installer to mount components safely and free of errors.

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CANopen® Communication Protocol

CANopen is a communication protocol often utilized for sensors in a bus architecture and widely used in offshore industrial applications. Utilizing the CAN-based physical layer for embedded automation, it is a reliable protocol which delivers field data and can be used for device configuration.  

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