ISA TR20 00 01 W FORMS-2007 Specification Forms for Process Measurement and Control Instruments Part 1 General Considerations - Also Includes ISA 20 00 03-2007 (Includes a separate Pi.pdf
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1、 IHS Content Page Access to Content for (ISA TR20.00.01-2007) This Page is not part of the original publication: This page has been created by IHS as a convenience to the user in order to provide access to the content as authorized by the Copyright holder of this publication. Click the link(s) below
2、 to access the content and use normal procedures for downloading or opening the files. ISA-TR20.00.01: Forms Alphabetical Listing ISA-TR20.00.01: Forms Numerical Listing ISA-TR20.00.01: Forms Information contained in the above is the property of the Copyright holder and all Notice of Disclaimer ISA;
3、 67 Alexander Drive; P. O. Box 12277; Research Triangle Park, NC 27709; Telephone (919) 549-8411; Fax (919) 549-8288; E-mail: standardsisa.org. The ISA Standards and Practices Department is aware of the growing need for attention to the metric system of units in general, and the International System
4、 of Units (SI) in particular, in the preparation of instrumentation standards. The Department is further aware of the benefits to USA users of ISA standards of incorporating suitable references to the SI (and the metric system) in their business and professional dealings with other countries. Toward
5、 this end, this Department will endeavor to introduce SI-acceptable metric units in all new and revised standards, recommended practices, and technical reports to the greatest extent possible. Standard for Use of the International System of Units (SI): The Modern Metric System, published by the Amer
6、ican Society for Testing b) to facilitate quoting, bid reviews, purchasing, receiving, calibration, inspection, piping design, design audit, accounting, and ordering procedures by uniform display of information; c) to improve efficiency of instrumentation activities from initial concept to final com
7、missioning and any subsequent reviews and revisions; and d) to provide standard data definitions and field lengths adequate for electronic exchange of information. This page intentionally left blank. 13 ISATR20.00.012007Copyright 2011 ISA. All rights reserved. 1 Scope Instrument devices with dedicat
8、ed functionality may be specified using data-sheet-type, approved ISA specification forms. This technical report does not address system specifications such as shared control and shared display devices, where extensive use of functionality or performance specifications is required. This technical re
9、port lists the ISA specification forms by form part category, measured or initiating variable, readout, or final control device categories, and form number. A form numbering system has been implemented that identifies the form categories, device function grouping, and page number. The form number, t
10、itle, and development status is listed for each proposed or approved form. 2 Normative references ISA20.00.032001, Specification Forms for Process Measurement and Control Instruments, Part 3: Form Requirements and Development Guidelines. 3 Definitions For the purpose of this technical report, the fo
11、llowing definition applies: 3.1 specification form: the document, or its electronic data equivalent, that details the statement of parameters or properties prescribing the design basis, construction, materials, and performance for an instrument to be supplied. 4 Application ISA specification forms m
12、ay be used for the following different levels of device specification. 4.1 Operating parameters documentation Documentation of the operating parameters may be completed and endorsed independently of the hardware device selection and preliminary specification through the use of the separate form page
13、. 4.2 Preliminary inquiry/quotation For a preliminary inquiry or quotation, the specifier and vendor may agree on a minimum level of information. In this case, the specifier may mark with an asterisk (*) in the revision column of the Operating Parameters or Device Specification forms, any lines that
14、 the recipient of the specification form is requested to complete. 4.3 Traditional specification Documentation of operating parameters required for sizing or selection analysis, and identification of the instrument properties that are pertinent to the development of a manufacturers model number, sho
15、uld be the minimum data provided on specification forms used to purchase instruments. 4.4 Conforming specification A complete specification ideally should include all relevant information about the main device and associated secondary devices that has been agreed to by the purchaser and supplier. In
16、 this case, the fully completed specification form can be used for the final documentation of the instrument specifications. ISATR20.00.012007 14 Copyright 2011 ISA. All rights reserved. 5 Requirements 5.1 Three form parts ISA specification forms are generally comprised of three form parts for the f
17、ollowing information organization: a) Operating Parameters forms are developed to document the process application and design conditions for communication to instrument specifiers and manufacturers. b) Device Specification forms are developed to provide the information to initially size and select a
18、 main device and the information to identify requirements for attached and directly associated devices. c) General or Special Requirements forms are developed to provide means for the specifier to identify general or special requirements that are applicable to the device, but need additional space b
19、eyond that available in the other two types of forms. 5.2 Form numbers and titles for Operating Parameters forms A common form is developed for all devices sharing the same measured variable or final control element. Table A.1, annex A, identifies assigned categories, ISA form numbers, and titles. 5
20、.3 Form numbers and titles for Device Specification forms Device Specification forms are grouped and numbered based upon a device category code, the form part number, and an instrument function subcategory sequential number. Table A.2, annex A, identifies assigned device categories, ISA form numbers
21、, and titles. 5.4 Form numbers and titles for General or Special Requirements forms A single form is provided for the initial page of the General or Special Requirements forms. Table A.3, annex A, identifies the assigned ISA form number and title. 6 General sections of ISA specification forms 6.1 Sp
22、ecification identification section Operating Parameters, Device Specification, and General or Special Requirements forms utilize the same specification identification field prompts. 6.2 Endorsements Endorsement identifications and status inference, such as originator, checker, approver, and origin d
23、ate, should be independent throughout each form type. 6.3 Revision chronicle Identification of the three most recent entries recorded in the revision chronicle should be independent throughout each form type. 15 ISATR20.00.012007Copyright 2011 ISA. All rights reserved. 6.4 Component identification I
24、dentification of the instrument, such as primary tag number, description, line/equipment number, and reference drawing number, should be identical throughout each form type. 7 Classification and designation Hardware specification forms are based on specific hardware types as classified in annex A. T
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