NorthWind PLC programming, HMI configuration, and custom programming services can do just that.
Using a methodical approach our programmers utilize standardized techniques and tools that provide streamlined, repeatable, well-documented programs. You can expect reduced development time and a system that is easy to use, troubleshoot, and maintain.
NorthWind is a recognized Allen Bradley System Integrator and has extensive experience with Schneider Electric, Siemens and other PLC platforms. As a certified member of the Control System Integrators Association (CSIA), you can have confidence that NorthWind’s consistent approach will provide superior results.
A Programmable Logic Controller (PLC) is an industrial, digital computer adapted for control of manufacturing processes. NorthWind designs an intelligent system using structured code appropriate for your process. The benefit of a NorthWind-designed PLC is its flexibility and ease of use.
A Hand Machine Interface (HMI) is a graphical interface that displays the status of variable in a system, including such things as motor or valve status, temperature, pressure and others. NorthWind configures its HMIs to provide easy-to-read, valuable feedback to plant operators, managers, and maintenance personnel. This gives personnel directly involved in plant operations the tools they need to keep your plant running smoothly and efficiently. We have extensive experience with FactoryTalk View, Wonderware, Magelis and other HMI platforms.
Whether you are looking to bring a new control system online, or update an existing system, NorthWind programmers have the extensive process experience and application knowledge necessary to design and implement a system that meets your needs on time and affordably.
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The ability to modify, maintain and troubleshoot PLC programs is becoming an increasingly difficult task these days. Beyond the need for skilled personnel, the complexity of the software requires continual training and annual service agreements. QuikLOGIX™ is a program configuration tool that can ease this burden.
PID control loops can be very useful in automation and in many different applications. They can be used to control a feeder used in a loss in weight or gain in weight system, or to control pumps that need to run to a setpoint. They can also be used in motion applications with different position targets while maintaining the position against external forces. To illustrate the functional flexibility of PID control loops, I will describe a parallel PID implementation. This example is illustrated below with a block diagram of this control algorithm.
One of the many major benefits of automation is the elimination of human error through pre-programmed repeated sequences, safety interlocks, and process control. However, for the moment, most automated systems still rely on an operator to tell the system how much, how fast, and what type of product should be made. This human element component of process control introduces the potential for error and failure, most often due to a breakdown in communication between human and machine. Therefore, it is critical that the human-machine interface (HMI) between operator and equipment be intuitive, informative, and practical in order to improve plant safety, increase production and profit, and decrease operator reaction time.