Introduction Does your plant use a truly open system? Does you plant rely on luck to deal with downtime? Undoubtedly your company runs the risk not to be competitive. In present times, the industrial automation world counts only with two ways for a company to become competitive: the optimization of processes using truly open systems…
Hardwareor equipment redundancy is one of the most used resources as far as failure tolerance is concerned. Higher tolerance to failures implies higher plant availability and operational safety, both aspects being important. Availability is directly related to the operating time and the business profitability, whereas operational safety refers to the preservation of assets and the…
DF81 – HSE/AS-i Controller This module of the DFI302 – Process Control and Automation Platform came out of the need for one more line of discrete equipment in the industry. The DF81 – HSE/AS-i Controller is the SMAR AS-i solution included in its SYSTEM302 – Process Control System, whose main feature is to work as…
Characteristics: Higher diagnostics availability; Better response time; Different integration methods; Reduced cabling and connections; Reduced total cost; Upgrade for existing plants. Digital networks are now widely used and chosen as the main solution for communication in the Motor Control Center (MCC) to reduce installation costs and ensure access to more information. But earlier MCC projects…
Quite often, some criteria for projects or installation details must be revised after the industrial process starts running. Even if a project was thoroughly discussed, planned, revised and approved, it is practically impossible not to perform modifications on the field when mounting the instrumentation, or even after the start up of the plant. In some…
Introduction The existence of equipment in different technologies combined with the inadequacy of installations facilitates the emission of electromagnetic energy, a fact that creates problems of elecromagnetic compatibility (EMC). See Figures 1 a and 1b, below. Figure 1 a – EMC sources Figure 1b – Signal affected by EMI effects See the…
Introduction Pressure measurement and control is the most used process variable in the process control industry many segments. In addition, through the pressure it is possible infer a series of other process variables, like level, volume, flow and density. This article will cover the main technologies of the most important technologies used in pressure sensors,…
1. Introduction Flow is the third most measured magnitude in industrial processes. It encompasses a wide range of applications from simple ones, like water flow in treatment stations and households, until industrial gases and fuel measurement, in addition to more complex ones. The right choice of a given device in flow measurement depends on many…
Introduction In present days we witness technological advancements in industrial processes and controls with the advent of microprocessors and electronic components, Fieldbus technology, the Internet, etc., as everything facilitates the operations and guarantees of process optimization and the performance and operational safety. This advancement today permits that pressure transmitters, as well as other variables, may…
1.Introduction Many industrial processes need continuous density measurement to operate efficiently and guarantee quality and uniformity to the final product. This applies for sugar mills, beer plants, distilleries, dairy products, chemical and petrochemical industries, among others. Several methods are used to measure the density of liquids, based on different technologies, such as: nuclear meters, refractometers,…