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Configuration of field devices on a network

A field device and network technology, applied in the field of field device configuration in digital communication networks, can solve problems such as complex maintenance

Active Publication Date: 2015-07-22
ROSEMOUNT INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Also, because it is not possible to simply remove one field device from the Foundation Fieldbus network and replace it with another, maintenance can be more complex
Instead, field devices must be recommissioned and reconfigured each time they are replaced

Method used

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  • Configuration of field devices on a network
  • Configuration of field devices on a network
  • Configuration of field devices on a network

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 Shown is a network 10 comprising a host computer 12, a power supply 14, a communication bus 16, field devices 18 (denoted as devices FD1, FD2 . equipment. Network 16 is described in the context of a process control / monitoring system using the Foundation Fieldbus communication protocol and communicating messages over bus 16, however the invention is generally applicable to digital networks with field devices requiring configuration.

[0021] Host computer 12 and power supply 14 are typically located in a central control room of an industrial process plant. For example, bus 16 may be a two-wire twisted pair or four-wire cable that provides power from power source 14 to field devices 18 and provides a communication path over which messages may be sent. For example, bus 16 can support up to 32 devices on a single cable, however typically the number of devices on bus 16 can range from about 4 to about 16 depending on loop execution speed, power and inherent safety...

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Abstract

Field devices on a communication network can be configured using a configuration device that stores a configuration data for each of the field devices in a network configuration domain in nonvolatile memory. Each field device includes a configuration domain associated with configuration data stored in nonvolatile memory of the field device. In response to commands from the configuration device, the field devices upload configuration data to or download configuration data from the configuration device. Field devices receive configuration data from the configuration device and store the received configuration data in the nonvolatile memory to define the configuration of the field device.

Description

technical field [0001] The invention relates to the configuration of field devices of process control and monitoring systems. In particular, the invention relates to the configuration of field devices in digital communication networks. Background technique [0002] In a typical industrial plant, a process control / monitoring system is used to control a number of control processes performed in the plant. Typically, a factory has a central control room with a computer system with input / output (I / O), disk I / O, and other peripherals known in the computing art. A controller and process I / O subsystem are coupled to the computing system. [0003] The process I / O subsystem includes I / O ports that connect to various field devices throughout the plant. Field devices include various types of analytical equipment, silicon pressure sensors, capacitive pressure sensors, resistive pressure sensors, thermocouples, strain gauges, limit switches, two-position switches, flow transmitters, pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/00
CPCH04L41/0866H04L41/0856H04L41/0846H04L41/082G06F8/60H04L12/40006H04L41/0883H04L41/0803
Inventor 安东尼·迪安·费格森唐纳德·罗伯特·拉蒂姆
Owner ROSEMOUNT INC