ולידציה - FRS Contents
ולידציה -FRS Contents This article was written by Iian Shaya, validation,automation and control expert The FRS presents functional requirements for installin…
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ולידציה -FRS Contents This article was written by Iian Shaya, validation,automation and control expert The FRS presents functional requirements for installing and operating a monitoring and control system , in response to and compliance with the user's requirements For example, the FRS may propose to fulfill the URS requirements using a system that includes a PC with control capabilities using HMI screens, PLC , and varied environmental conditions sensors and control devices. The FRS may also propose a color-code display for ongoing environmental conditions, including indications of alarm conditions. An SMS or e-mail notification may be sent to specified personnel in case of specified alarm conditions. The FRS requirements are organized accordingly with the same order and numbering of sections as the URS for clear correspondence. These requirements are divided into 4 categories- as the user's requirements Installation Requirements Operation Requirements Regulation Requirements HMI Requirements Installation Requirements These requirements cover all the issues regarding system installation to ensure its proper functionality and reliability. Examples of this type of requirements are List and characteristics of specified hardware (HW) components capable of meeting the system functional requirements Labeling and identification method for each HW component List and characteristics of specified software (SW) programs installed on the system PC and the PLC , capable of performing the required operations Definition of equipment to meet the storage capacity requirements Definition of equipment and method for achieving the required connections to various types of sensors, communication units, temperature, humidity and pressure transmitters, illumination devices, etc Definition of equipment and method for achieving the communication compatibility with equipment already installed at the user's facility without extra sensors Operation Requirements These requirements cover all the operations that the system must be capable of performing. Examples of this type of requirements are Environmental conditions (such as pressure, temperature and humidity) to be monitored and controlled Type of systems to be monitored and controlled, such as Heating, Ventilation and Air Conditioning ( HVAC ) system, types of sensors, etc Definition of computerized system capabilities and starting conditions Definition of system capabilities to recover from failures List of internal tests to be performed regularly, and alarm indications to be issued in case of failure Definition of current and historical alarms to be provided regarding all parameters in any case of deviation from the limits specified in the system Definition of system real-time screens display capabilities Provision of the following data and HMI displays Synoptic screens for displaying online values and status Data logging and storage of historical trends, events and alarms Tabular screens for displaying events and alarms Graphical screens for displaying trends Display of the following information for each alarm Status -new/acknowledged alarm Time at which the alarm was activated Parameter/Tag/Name of the module that activated the alarm Alarm Description Alarm Priority Display of alarms to warn the user, collect alarm history, and enable the user to view current and historical alarms. The system alarms shall include Component malfunction/failure Irregularity in parameter reading - such as disconnection of communication lines Parameters values exceeding the high/low parameter limits Deviations of system operation from predefined parameters/operations Method for providing capability to configure the graphs parameters according to Date and time Measured parameters Predefined number of displayed parameters Definition of trend graphs with maximum and minimum allowed limits of the monitored parameters Definition of logging interval defined by the user and configured by the supplier Method for providing capability of authorized user's personnel to define low and high limits and delay time for each alarm parameter On FRS regulatory & HMI Requirements you can find out in our next article This article was written by Iian Shaya, validation,automation and control expert