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A system control philosophy is a document that is used to describe general principles of operation. From a designer's point of view, the functional specification is the basis for design. iii)       Each compressor shall be suitable for individual and / or parallel operation with other compressors at any demand rate from zero to maximum capacity . 1728 May 2008 Rev. The degree to which a functional manager is involved in the project depends on the form of organizational structure. The Taxonomic Functional Hierarchy may be particularly useful in capability-based procurement where it is necessary to model the functions that are associated with particular capability (see SV-5). Operational Controller Vs. Financial Controller. I suspect what the owner really wants are a functional description or loop descriptions. ii)        DM plant control system shall be designed so that complete Operation, Control & monitoring, interlocks, logic etc. Functional vs Non-functional Requirements » Requirements vs Specifications The difference between requirements and specifications. e.                Bottom ash over flow system comprising of bottom ash over flow water storage tanks, settling tank, ash over flow water pumps, sludge pumps etc. It should be comprehensive and miss nothing. AHP Central Control Room will house system cabinets in addition to control desk. Functional Title vs. Writing Control Philosophy - posted in Industrial Professionals: Hi all,am new in writing process control philosophy. Philosophy might affect future career prospects in a number of ways: Some philosophy concentrators go on to graduate school to earn a PhD in philosophy. The controller receives the input, optionally validates it and then passes the input to the model. Just describe what the system (or the sub-section that is within you scope of supply) is going to do. c.                Fly ash system, comprising of ash extraction from ESP’s & duct hopper to buffer hopper located near ESP’s and fly ash transportation system from buffer hopper to storage silos. c)         Chlorination plant local control panel for potable water system. A Functional Requirement (FR) is a description of the service that the software must offer. The control panel shall have operators interface devices as selector switches, indicating lamps, push buttons and other required indicators. The idea of using a PLC-based system rather than a DCS has become a philosophical and technical debate in the industry. Functionalism in the philosophy of mind is the doctrine that what makes something a mental state of a particular type does not depend on its internal constitution, but rather on the way it functions, or the role it plays, in the system of which it is a part. For example, keep it simple, make the HMI operator friendly, and thoroughly document the logic are philosophies. ICEweb has nearly 100 Control, Instrumentation, Fire & Gas, Safety Instrumented Systems core pages and a total of more than 300 pages - It Really is Cool Engineering - By Engineers for Engineers it must be just about the World's first choice for Technical Information. Many companies have guides for developers that describe what topics any product's functional specification should contain. of  Raw Water system and associated clarified sump pumps, Raw water chlorination system, service water pumps, CT make up pumps, Potable water pumps control, DM feed pumps etc.shall be provided from DM plant control room. i want to write a control philosophy for the control of pipeline pumps (2) taking there suction from 2 surge vessels. Many functional specification documents are written in Microsoft Word, however, Google Docs tends to allow for better version control, something which is crucial in product development. Control of Full-Case Merging Conveyors.doc, Control of Full-Case Merging Conveyors.pdf, http://www.urswriter.com/ControlOper...hilosophy.html, http://www.urswriter.com/ProcessDescriptions.html, 3 way Control Valve from Siemens with Beckhoff PLC. 1.1 DESCRIPTION The Control Narrative describes the control philosophy and lists the variables used in the control program. 01 1. ix)        One communication gateway shall be provided by hooking up the system with             DDCMIS for monitoring from central control room. The debate is also intense in companies with a low tolerance for ambiguity. During a workshop, the SI can discuss and diagram (whiteboard) what the equipment and process will do to frame the requirements gathering in terms relevant to operations. Color coding shall be used to differentiate lines for different services such as normal water lines, backwash lines, Acid / Alkali lines etc. The annunciation system shall also include alarms for abnormal level conditions in caustic solutions            preparation cum recirculation tanks. iii)       The operator will initiate the operation of regeneration/rinsing/backwashing of a particular ion-exchange unit/filter based on the criteria described below, but the change from one step of the sequence to the next will be automatic. . 1.1 DESCRIPTION The Control Narrative describes the control philosophy and lists the variables used in the control program. A technical specification describes the internal implementation of the program. iii)    The transfer pumps to day tank shall be started manually from push buttons in the above local control panel-1. vi)       Steam  flow to HFO/LSHS storage and day tank floor coil heater shall be controlled by pneumatically operated control valve (ON-OFF type) to maintain the desired oil temperature. The term has its origins in the hardware field. Functional Vs technical Spec s A functional specification describes how a product will work entirely from the user's perspective. The primary purposes of SV-4 are to: . Control Philosophy 8/28 Fennagh WWTP – Ref No. The control Room operator shall be provided with color graphic displays of the Coal handling plant and with sufficient details to allow proper            control and monitoring of the plant function. Ensure that the functional connectivity is complete (i.e., that a resource's required inputs are all satisfied). "Control philoosophy" is a pretty nebulous concept. DM Control Room will house system cabinets to accommodate I/O cards ,drive cards, controllers etc. ( control for CW water treatment, Raw water treatment). Functional decomposition breaks down a large, complex process into an array of smaller, simpler units or tasks, fostering better understanding of the overall process. The spiral screen & compactor (01-SC01) is automatically controlled on a level-time basis. Provision shall be made to operate the booster pumps through selector switch. Enrich your vocabulary with the English Definition dictionary Systems Functionality Flow Description. All necessary instruments /controller and interlock /protection /monitoring and sequential logics controls shall be provided for implementation andare achieved by PLC. Activated Carbon Filter          :           On passing predetermined volume of water or on                                                                                     reaching preset residual chlorine level of high, Cation                                      :          On reaching high sodium leakage or on passing of, Predetermined volume of filtered water whichever, Anion Unit                               :           On reaching higher conductivity & Silica at, Outlet or on passing of predetermined volume of. rake  mechanism drive motor and floculator agitator motor shall be operated from local start/stop push     buttons to be located near it. one day, perhaps you will find the final G.K. Chesterton, The Scandal of Fa­ question. Acceptance testing of the control system confirms that the requirements specified in the functional specification are complied with. Functional Analysis []. Posts about CONTROL PHILOSOPHY written by shivajichoudhury. Requirements vs Specifications » 8 Types of Specifications » Functional vs Behaviorial . Business that lag behind competitors can implement company-wide operational strategies to close the gap. and the alarm fascia windows at the top. This local push button will be directly wired to Switchgear/MCC. The graphic shall indicate the different filters, exchanger units, measuring tanks, opening/closing of      all valves (motorized and solenoid operated), ON / OFF of different pumps and blowers etc. Kalu Idika Awa ... concept as those features of the organization that serve to control or distinguish its parts‖, Gibson, Ivancevich, Donnlly Jr and Konopaske (2003). Stand-by pump shall start automatically whenever any operating pump trips due to any fault (mechanical/electrical) or discharge header pressure goes low. b.         Caustic solution, stored in over ground tanks, will be led remote manually   by gravity to the caustic measuring tanks for anion, mixed bed units to fill up to the desired level. Mixed Bed Unit                       :           On reaching higher conductivity, pH at outlet or, On passing of predetermined volume of deionised, Water or on reaching preset silica level, whichever. A Functional Design Specification (FDS) is a document used by companies in a pre-development phase to translate all notes, concepts, and scope into a complete requirements document. as well as recording the tuning parameters as-found. iv)       The drain oil pump will start/stop automatically on high/low level initiation. Functional analysis is the next step in the Systems Engineering process after setting goal and requirements. Most of those become professors of philosophy, which means that their professional lives are devoted to research and teaching in philosophy. The entire Plant water system will be controlled from the following control points: For overall operation and control of entire Plant water system  i.e.Raw water system, Chlorination plant for raw water system and DM plant system, a control desk along with control panels mimic will be provided at the DM plant Control Room. shall be completely suitable  for remote manual operation from operating console/panel. Key elements of process control follow below: * By first monitoring a process for a period of time, we learn what to expect from the process (with regard to key characteristics such as the process average and amount of process variation). Emergency trip push buttons shall be provided for all such    drives which needs immediate stopping due to any  mal- functioning of equipment or due to health/operator hazards. Is this for school, or for a customer? Firstly, it helps to use software that has good version control. i)         The chlorination plant shall be controlled manually from local control panel located in chlorination system main control building. Tip 8: Organize your requirements You may sometimes encounter functional specifications written in paragraphs, but this format is not recommended. Project management exists in many forms in different companies and the level of empo… how the pumps will operate. More precisely,functionalist theories take the identity of a mental state to bedetermined by its causal relations to sensory stimulations, othermental states, and behavior. x)         All the instruments shall be supplied as required with all necessary  accessories for safe and efficient running of the plant. c.         Priming of pumps operating under suction lift and operations as in (a) and    (b) will be done manually. It is the cornerstone of how the system will operate. Functionalism is a viewpoint of the theory of the mind (not to be confused with the psychological notion of one's Theory of Mind).It states that mental states (beliefs, desires, being in pain, etc.) Functional job titles are common in organizations, and follow the philosophy that the best title for a particular position is … i hope i have explained. These cabinets shall accommodate I/O cards, relays, interfacing equipments etc. Control Philosophy document could mean a number of different things. These functional relationships are also illustrated by the diagram in figure 1. A Control Philosophy incorporates the process functions on the plant and specifies the control parameters, operational and maintenance philosophies . a. Management Control System. There is 3 Standby pump shall start automatically whenever any operating pump trips due to any fault ( echanical / electrical) or discharge header pressure low. (8) FUNCTIONAL DESIGN SPECIFICATION (FDS) This document specifies the functional and technical requirements of the system. Tripping of / emergency stop of dries motors locally shall be permissible irrespective of position of remote/local selector switch. Fly ash system, comprising of ash extraction from ESP’s & duct hopper to buffer hopper located near ESP’s and fly ash transportation system from buffer hopper to storage silos. x)         Although the basic demineralising process is semi-automatic in nature, following operations shall be performed manually. Download Functional Analysis And Control Theory online right now by in imitation of join below. Many young cocks who have some sort of degree/certificate in programming reckon they can program anything from a functional specification. The control & instrumentation shall be through microprocessor based PLC system for the entire Coal handling plant covering the total functional requirement of sequence control, interlock and protection, monitoring, … The control panel is used to configure and manage almost all aspects of Windows, including keyboard and mouse functionality, users and passwords, power options, network settings, desktop background, display settings, sound settings, mouse settings, hardware and software options, installation and removal of programs, parental control, speech recognition, etc. A function is nothing but inputs to the software system, its behavior, and outputs. as well as recording the tuning parameters as-found. Replace strip chart recorders with historical recording and trends, etc. "Control philoosophy" is a pretty nebulous concept. end and begin with the answers. The key word in this definition is control. are constituted solely by their functional role, which means, their causal relations with other mental states, sensory inputs and behavioral outputs. The control room in this building shall be provided with glass panel to  have full view of rakes unloading operation. vi)       Hooking up with central control room DDCMIS will be done through proper gateway  and communication cables. The table of conten ts and index are quite important and should follow general compositional practices. Functional analysis divides a system into smaller parts, called functional elements, which describe what we want each part to do. Although the job title of controller may bring a certain type of financial officer to mind, there are actually two different jobs that can bear the name. Non-Functional testing checks the Performance, reliability, scalability and other non-functional aspects of the software system.

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