HART-IP

HART-IP

HART AT THE SPEED OF ETHERNET

Ethernet networks have been pervasive in office environments for decades. But in process facilities, 2-wire 4-20mA wiring has been the norm.  Slowly, Ethernet and IP networks are growing towards the process plant floor.  To address this growth FieldComm Group developed an internet protocol (IP) enabled version of HART named HART-IP.

HART-IP allows host level systems and asset management applications to access and integrate measurement and device diagnostics information from HART-enabled field devices through existing IP networks be they Ethernet, packet-radio, satellite or 3G/4G based.

IF INSTRUMENT INFORMATION NEEDS TO BE MADE AVAILABLE TO AN IP NETWORK, IT CAN BE DONE WITH HART-IP

HART-IP is a simple-to-use, high-level application technology that is independent of the underlying media. Thus HART-IP operates with redundant Ethernet media as well as mesh or ring topologies. Similarly, HART-IP can run over Power over Ethernet (PoE) for such infrastructure and devices. Speeds of 10 Mbit/s, 100 Mbit/s, and 1 Gbit/s etc. are supported.

Because the application layer is the same for HART field devices as HART-IP, time consuming and error-prone data mapping, for example with MODBUS RTU is eliminated, making HART-IP the most simple to use and suitable backhaul network for WirelessHART gateways and wired HART multiplexers and remote I/O.

HART-IP offers a straightforward method to access large amounts of all the standard HART information available in a HART device coming from products that concentrate many measurement points into a single output.  It allows the information from these devices to be integrated with TCP/IP networks easily, without the need to go through any translation processes and with no loss of information.

HART-IP Features and Benefits

Feature Benefit
10 Mbit/s - 1Gbit/s support Operates with existing infrastructure
HART Application Layer Simple integration with existing control and asset management systems
Standard TCP/IP protocol

Shared bandwidth with existing applications.

No requirement for customized Ethernet protocol

HART-IP and Ethernet-APL Explained

The video in this section was presented during the ACHEMA Pulse 2021 virtual event.  It provides a brief history and overview of HART-IP technology, as well as a description of 2-wire Ethernet-APL technology.  HART-IP and Ethernet-APL offer a great solution for obtaining the benefits of higher speed communication while maintaining all the software and work processes that are already familiar to end users.

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