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GB/T 3369.2-2008 English PDF

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GB/T 3369.2-2008: Analogue signals for process control systems -- Part 2: Direct voltage signals
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 3369.2-200894 Add to Cart 3 days Analogue signals for process control systems -- Part 2: Direct voltage signals Valid

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GB/T 4830   GB/T 2625   GB/T 20965   GB/T 8355   GB/T 3369.1   

Basic data

Standard ID: GB/T 3369.2-2008 (GB/T3369.2-2008)
Description (Translated English): Analogue signals for process control systems -- Part 2: Direct voltage signals
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N10
Classification of International Standard: 25.040.40
Word Count Estimation: 5,513
Date of Issue: 2008-06-30
Date of Implementation: 2009-01-01
Older Standard (superseded by this standard): GB/T 3370-1989
Adopted Standard: IEC 60381-2-1978, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard applies to industrial process measurement and control systems to transfer information between system components used in analog DC voltage signal. And GB/T 3369. 1-2008 of the specified analog DC current signal contrast, under this section should not be used as analog DC voltage signal transmission over long distances. This section does not apply to internal use entirely within a component signal.

GB/T 3369.2-2008: Analogue signals for process control systems -- Part 2: Direct voltage signals

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Analogue signals for process control systems. Part 2. Direct voltage signals ICS 25.040.40 N10 National Standards of People's Republic of China GB/T 3369.2-2008/IEC 60381-2. 1978 Replacing GB/T 3370-1989 Process control system with analog signals Part 2. DC voltage signals (IEC 60381-2. 1978, IDT) Posted.2008-06-30 2009-01-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

GB/T 3369 "process control system with analog signals" is divided into the following two parts. --- Part 1. DC current signal; --- Part 2. DC voltage signal. This section GB/T 3369 Part 2. This section identical with IEC 60381-2. 1978 "Analog signal processing control system Part 2. DC voltage signal" (English Version). According to GB/T 1.1-2000 "Standardization Guide Part 1. Standard Structure and Writing Rules", IEC 60381-2. 1978 made the following editorial changes. a) This Standard has been changed to this part; b) Remove the foreword to IEC 60381-2. 1978; c) Where "IEC 60381" is replaced by "GB/T 3369"; d) Use the decimal "." instead of the comma "," for the decimal point. This Part replaces GB/T 3370-1989 "industrial automation instrumentation with analog DC voltage signal." This section compared with GB/T 3370-1989, the main changes are as follows. --- The standard name from "industrial automation instrumentation with analog DC voltage signal" to "process control system with analog signal Part 2 Points. DC voltage signal "; --- "This Standard" changed to "this section"; --- Scope. GB/T 3370-1989 is the reference to the use of IEC 60381-2. 1979, the scope of application of industrial automation instruments; The standard is equivalent to using IEC 60381-2. 1979, the scope of application for industrial process measurement and control system (GB/T 3370-1989 Chapter 1 of this section; Chapter 1) --- The scope of the "industrial automation instrumentation" to "components" (GB/T 3370-1989 Chapter 1; Chapter 1 of this section); --- Terminology and the definition of part of the deletion of the "output ripple content" and "output AC components", adding "analog DC voltage measurement Value measuredvalueofananaloguedirectvoltagesignal "," load impedance loadimpedance "," ripple Volume ripplecontent "," signal common line signalcommon "," signalisolation "(GB/T 3370- 1.6, 1.7 of 1989; 2.3, 2.7, 2.8, 2.9, 2.10 of this section); --- "Table 1 DC voltage range" adds "0 ~ +10" and "-10 ~ +10" range (GB/T 3370-1989 Table 1; Table 1 of this section). This part is proposed by China Machinery Industry Federation. This part of the National Industrial Process Measurement and Control Standardization Technical Committee second sub-technical committee. This section is responsible for the drafting unit. Southwest University, China Sihe Instrumentation Group. Participated in the drafting of this section. Machinery Industry Instrumentation Comprehensive Technology and Economy Institute, Beijing Institute of Machinery Industry Automation. The main drafters of this section. Liu Feng, Pan Dongbo, Zhang Yu, Liu Jin. Participate drafters of this section. Fengxiao Sheng, Xie Bingbing. This part replaces the standards previously issued as follows. --- GB 3370-1982; --- GB/T 3370-1989. GB/T 3369.2-2008/IEC 60381-2. 1978 Process control system with analog signals Part 2. DC voltage signals

1 Scope

This section applies to industrial process measurement and control systems used to transmit information between system components analog DC voltage signal. In contrast to the analog DC current signal specified in GB/T 3369.1-2008, the analog DC voltage signal specified in this standard is not suitable Used as a long distance transmission. This section does not apply to completely use the signal within a component.

2 Terms and definitions

The following terms and definitions apply to this section. 2.1 Functional units for the conversion, transmission or processing of measured values, control variables, control variables and reference variables and their integrated combination. 2.2 A DC voltage signal for transmitting or processing information varying in a continuous manner according to one or more physical quantities. 2.3 Average over the stated duration. 2.4 The signal voltage corresponding to the minimum value of the DC voltage signal. 2.5 The signal voltage corresponding to the maximum value of the DC voltage signal. 2.6 The range determined by the lower and upper limit of the signal voltage. 2.7 The sum of the impedance of all connected receivers. 2.8 The ratio of the peak-to-peak value of the AC component to the upper limit of the DC voltage signal. 2.9 Multiple signal circuits can have a common electrical connection, which can be grounded or ungrounded. GB/T 3369.2-2008/IEC 60381-2. 1978
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