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GB/T 36243-2018 English PDF

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GB/T 36243-2018: Input/output protocols and electronic interfaces for water meters -- Requirements
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Basic data

Standard ID GB/T 36243-2018 (GB/T36243-2018)
Description (Translated English) Input/output protocols and electronic interfaces for water meters -- Requirements
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard N12
Classification of International Standard 91.140.60
Word Count Estimation 50,532
Date of Issue 2018-06-07
Date of Implementation 2019-01-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 36243-2018: Input/output protocols and electronic interfaces for water meters -- Requirements


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Input/output protocols and electronic interfaces for water meters--Requirements ICS 91.140.60 N12 National Standards of People's Republic of China Water meter input and output protocol and electronic interface requirements (ISO 22158.2011, IDT) Published on.2018-06-07 2019-01-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 pulse output water meter --- type A 3 4.1 General 3 4.2 Pulse output mode 3 4.3 Pulse Waveform Definition 4 4.4 Pulse Data Set Type 6 4.5 Signal Output Type 6 4.6 Pulse Configuration 6 5 Non-addressable water meter---B type 7 5.1 General 7 5.2 Output mode of non-addressable water meter 7 5.3 Dataset Type 8 for Non-Addressable Water Meters 5.4 Non-addressable V-frame data protocol 8 5.5 Non-addressable two-wire asynchronous mode with sensor board and sensing probe readings 10 5.6 Non-addressable three-wire asynchronous mode for direct connection to repeater/bus nodes 11 5.7 Non-addressable two-wire synchronous mode with sensor board and sensing probe readings 12 5.8 Non-addressable three-wire synchronous mode for direct connection of repeater/bus nodes 13 5.9 Non-addressable two-wire bidirectional asynchronous mode with optocoupler and probe readings 14 5.10 Compatibility Statement 15 6 addressable water meter---C type 16 6.1 General 16 6.2 Output mode "1" based on M-BUS bus technology 16 6.3 Output Mode Based on Dialog Technology 2 25 6.4 Output mode based on "NABS" technology 3 34 Appendix A (informative) Designated Registration Authority 44 Reference 45

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO 22158.2011 "water meter input and output protocol and electronic interface requirements." The documents in China that have a consistent correspondence with the international documents referenced in this standard are. --- GB/T 14048.15-2006 Low-voltage switchgear and control equipment - Part 5-6. Control circuit electrical and switching components DC interface (NAMUR) for proximity sensors and switching amplifiers (IEC 60947-5-6.1999, IDT); --- GB/T 18657.1-2002 Telecontrol equipment and systems - Part 5. Transmission Profiles Part 1. Transmission frame format (IEC 60870-5-1..1990, IDT); --- GB/T 18657.2-2002 Telecontrol equipment and systems - Part 5. Transmissions Then (IEC 60870-5-2..1992, IDT); --- GB/T 26831.2-2012 Community Energy Metering and Copying System Specification Part 2. Physical Layer and Link Layer (EN13757- 2.2004, IDT); --- GB/T 26831.3-2012 Community Energy Metering and Copying System Specification Part 3. Dedicated Application Layer (EN13757-3. 2004, IDT). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Industrial Process Measurement Control and Automation Standardization Technical Committee (SAC/TC124). This standard was drafted. Shanghai Industrial Automation Instrumentation Research Institute Co., Ltd., Ningbo Water Meter Co., Ltd., Sanchuan Smart Technology Unit Co., Ltd., Ningbo Donghai Instrument Waterway Co., Ltd., Chongqing Smart Water Co., Ltd., Suzhou Waterworks Co., Ltd., Wuxi Water Meter Limited Liability Company, Yangzhou Hengxin Instrument Co., Ltd., Zhejiang Institute of Metrology, Henan Institute of Metrology, Ningbo Metrology Research Institute, Jinan Ruiquan Electronics Co., Ltd., Jiangyin Lixin Intelligent Equipment Co., Ltd., Ningbo Jingcheng Technology Co., Ltd., Qingdao Jicheng Electronics Co., Ltd., Hunan Weiming Energy Technology Co., Ltd., Jiangsu Yuanchuan Intelligent Technology Co., Ltd., Shanghai Water Table Factory, Beijing Water Group Jingzhao Water Meter Co., Ltd., Xi'an Qiqi Electronics Co., Ltd., Shenzhen Xingyuan Intelligent Instrument Co., Ltd., Hangzhou Water Meter Co., Ltd., Hunan Changde Brand Water Meter Manufacturing Co., Ltd., Shandong Chenhui Electronic Technology Co., Ltd., Zhirun Technology Co., Ltd., Zhejiang Gold Long Automatic Control Equipment Co., Ltd. The main drafters of this standard. Li Minghua, Zuo Fuqiang, Song Caihua, Lu Wen, Wei Qinghua, Yao Fujiang, Zhang Qing, Xu Yixin, Zhao Jianliang, Cui Yaohua, Ma Jun, Dong Liangcheng, Han Lu, Tang Tianshun, Zhang Dexia, Zhu Zhengjian, Tan Xiaobin, Chen Yu, Zhang Wenjiang, Guo Yonglin, Liu Qingbo, Sun Yilei, Liu Hualiang, Wang Xueshui, Ge Jian, Zhang Bo.

Introduction

Currently, the need for communication between metering devices and metering systems has become increasingly apparent. This standard is intended to address the correlation between water meter and metering system communication. Problem, this standard can also be used in conjunction with other metering systems that use common interfaces and protocols, such as gas and power metering systems. In recent years, more and more electronic devices have been used in water meters, such as. ---Pulse output system; ---Absolute coding system; --- Bidirectional addressable bus system. At present, no matter whether the hardware interface or protocol of such a system is clearly defined, this standard attempts to solve the problems arising therefrom. Existing water meter communication technologies can be divided into the following three different types. ---Pulse output water meter, which is called A type in this standard; --- Non-addressable water meter, which is called B type in this standard; --- Addressable water meter, which is called C type in this standard. This standard describes the general requirements for water meter input and output protocols and electronic interfaces. Its purpose is to set up the water meter register and meter reading equipment. The staff provides the necessary guidance. The relevant provisions are determined by analysing the applications currently in use and by consulting the water supply industry. Of course, the applications listed are not Comprehensive and detailed. Water meter input and output protocol and electronic interface requirements

1 Scope

This standard specifies the minimum communication requirements for water meters that can exchange or provide data via electronic interfaces. This standard only specifies the interface conditions of the electrical and electronic connection device of the water meter. It is not specified to be connected to the water meter for automatic meter reading or far. The requirements for special equipment such as transponders and sensing units of the meter reading.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO 1155 Information Processing uses vertical parity check bits to detect information message errors (Informationprocessing-Useof Longitudinalparitytodetecterrorsininformationmessages) IEC 60870-5-1 Remote control devices and systems - Part 5. Transport protocol clause 1. Transmission frame format (Telecontrol equipmentandsystems-Part 5. Transmissionprotocols-SectionOne. Transmissionframeformats) IEC 60870-5-2 Remote Control Equipment and Systems Part 5. Transport Protocols Section 2. Link Transmission Rules (Telecontrol equipmentandsystems-Part 5. Transmissionprotocols-Section2.Linktransmissionprocedures) IEC 60947-5-6 Low-voltage switchgear and controlgear - Part 5-6. Control circuit electrical and switching component proximity sensors And the DC interface of the switching amplifier (NAMUR) (Low-voltageswitchgearandcontrolgear-Part 5-6. Controlcir- cuitdevicesandswitchingelements-DCinterfaceforproximitysensorsandswitchingamplifiers (NAMUR)) EN13757 (all parts) Instrument communication system and remote meter reading (Communicationsystemsformetersandremote Readingofmeters) JISX5001.1982 Character structure and lateral parity of transmission lines (Characterstructureonthe Transmissioncircuitsandhorizontalparitymethod) NABS1) Communication System Specification for Addressable 8-Bit Electronic Water Meter,.2008 Version 1.0 (Communicationsystembyad- Dressable8-bitelectronicwatermeters-Specifications, ver.1.0,.2008), available at. http.// Www.keikoren.or.jp/eng/pub.html[2011-04-27] M-BUS2) M-BUS. Document, Version 4.8,.1997 (TheM-BUS. Adocumentation Rev. 4.8,.1997), available from 1) Published by the Japan Water Meter Manufacturers Association. 2) Published by the M-BUS bus user organization.

3 Terms and definitions

The following terms and definitions as defined by EN 13757 apply to this document. 3.1 Interface < water meter> A point or tool that interacts between two systems. 3.2 Pulse pulse (active or passive) electronic output of the < water meter> interface. The increment of the pulse is equal to the specific water volume. 3.3 Non-addressable interface device non-addressableinterfacedevice An interface device that cannot be independently addressed on the meter reading bus. 3.4 Addressable interface device addressableinterfacedevice An interface device that can be independently addressed on the meter reading bus. 3.5 Automatic meter reading automaticmeterreading; AMR There is usually a meter reading in which the central computer participates. 3.6 Remote meter reading remotemeterreading; RMR The central computer does not necessarily participate in meter reading that is far from the water meter. 3.7 Switch current switchingcurrent The current that the switch can carry when switching. 3.8 Switch closure switchclosure A device that produces digital pulses (reed switches, transistors, etc.). 3.9 Undirected pulse data set omnidirectionalpulsedataset The pulse does not indicate the pulse data set of the direction of water flow. 3.10 Unidirectional pulse data set uni-directionalpulsedataset The pulse only indicates the pulse data set of a water flow direction. 3.11 Bidirectional pulse data set bi-directionalpulsedataset The pulse indicates the pulse data set of the direction of the water flow. 3.12 Passive output passive output < Water meter> Switching device without power supply. 3.13 Active output active output < Water meter> Switching device with power supply (inside or outside the interface). 3.14 Tamper detection tamperdetection < water meter> A device used to detect an attempt to destroy a metering device or store data in the device. 3.15 Output mode outputmode < Water meter> Electronic characteristics of the pulse. 3.16 Data set type datasettype The electrical characteristics of a set of pulses that provide flow information. 3.17 V-frame V-frame A data set that contains variable length fields. 4 pulse output water meter --- type A Note. The primary function of this output type is to provide real-time metering pulses to represent the amount of water flowing through a specified unit of the meter. 4.1 General Compatibility is defined by the following output modes, dataset types, and signal output types. --- Pulse output mode. 1, 2, 3, 4, 5, 6, 7, 8; --- Data set type. O, U, B1, B2, N1, N2; --- Signal output type. N, P, T. Note. Compatible products can be labeled. "A1O", "A2O", "A3U", "A4UN", "A5B2P", "A7N2", etc. The requirements for pulse output mode, pulse waveform definition, pulse data set type and signal output type are shown in 4.2~4.5. 4.2 Pulse output mode The pulse output mode should meet the requirements of Table 1. Table 1 Pulse output mode of pulse output water meter (type A) parameter Types of A1 A2 A3 A4 A5 A6 A7 A8 Characteristic passive active active pulse (see 4.3) No voltage Active high state Active current loop (see 5.2) Process technology Passive switch closure Signal use power supply Self-powered pulse Self-powered crystal Tube switch External power supply transistor switch Sensor uses buffer External supply current pulse voltage range - - - - 2V~ 5VDC 5V~ 15VDC IEC 60947-5-6 (nominally 8.2VDC, 1kΩ power supply internal resistance) Table 1 (continued) parameter Types of A1 A2 A3 A4 A5 A6 A7 A8 Switching current And voltage ≤30VDC 3μA~ 20mA ≤100VDC 3μA~ 500mA Up to 20VDC ≤20mAa Up to 20VDC ≤10mAa Up to 20VDC ≤20mAa - - Off state impedance >10MΩ >10MΩ - - >10MΩ - - Open state impedance < 200Ω < 150Ω - - < 500Ω - - Current consumption - - - - < 20mA IEC 60947-5-6 ( >2.1mA) Typical data Set type (see 4.4)b Undirected one-way undirected, one-way or two-way undirected or two-way Typical product Type b Micro switch, reed switch Solid state switch Generator or Piezoelectric sensor Piezoelectric sensor Magnetic sensor Piezoelectric sensor, magnetic sensor or Optical sensor Micro switch, reed switch, Magnetic sensor or optical sensor a When the signal output type is “T”, this voltage is replaced by the power supply voltage. b Other types are also applicable. 4.3 Pulse Waveform Definition The pulse waveform definition of pulse output mode A1~A8 should meet the requirements of Figure 1~5. Note. The times given in Figures 1 to 5 are for illustrative purposes only. Description. 1---switch open; 2---switch off; 3---leading noise, maximum 5ms; 4---width, minimum 25ms; 5---tailing noise, up to 5ms. Figure 1 Type A1 and Type A2 Description. 1---main pulse, minimum 3V; 2---secondary pulse, minimum 1V; 3---off; 4---open; 5---width, minimum 1ms; 6---Oscillation, maximum.200ms. Figure 2 Type A3 Description. 1--- off; 2---open; 3---preamble transition, maximum 100μs; 4---width, minimum 2ms; 5---tailing transition, maximum 10ms. Figure 3 Types A4, A5 and A6 Description. 1---forward; 2---reverse; 3---the next pulse; 4---1ms; 5---0.5ms (all minimum widths); 6--- minimum 2.1mA; 7---(1.65±0.165) mA; 8---max. 1.2mA. The highest frequency is 500 Hz forward and 400 Hz reverse. Figure 4 Type A7 Description. 1---forward; 2---reverse; 3---the next pulse; 4---1.2ms (all minimum widths); 5---max. 0.3ms; 6---max. 6.0mA, minimum 2.2mA; 7---(1.5±0.05) mA; 8---Maximum 1.0mA, minimum 0.04mA. The highest frequency is 150Hz. Figure 5 Type A8 4.4 Pulse dataset type The pulse data set type should meet the requirements of Table 2. Table 2 Pulse data set type of pulse output water meter Dataset Type OU B1 B2 B3 N1 N2 Format undirected one-way bidirectional bidirectional bidirectional undirected bidirectional pulse definition No district Different direction Specify two directions in one direction Undirected Signal Orthogonal IEC 60947-5-6 IEC 60947-5-6 "transparent" modifier 4.5 Signal Output Type In addition to data sets N1 and N2, the output signal should indicate polarity. The signal output type should be indicated by the following suffix. ---N. 0 voltage signal ---P. Positive voltage signal ---T. push-pull output circuit, push-pull output signal; ---W. Non-polar floating output, no reference signal. Suffixes are used with dataset types such as ON, UP, and B1T. 4.6 Pulse Configuration The signal "set" output is essentially not referenced to the measured value. Example. The device can have multiple output "sets" labeled with compatible output types. The output types may be the same or different. For example, "A1O A1O" means A passive, voltage-free output device provides two "sets" of signals that meet the requirements of this standard. "A6B1 A6B2" means an externally powered active output device Provide two different "sets" of bidirectional signals that meet the requirements of this standard. When the pulse output has polarity, the "negative" end should be marked accordingly; if it is a wire, a brown core wire should be used. You can also use a tamper detection or tampering inspection device as an auxiliary function, using one of the following methods. “cable loopback” “cable impedance change” "" or "magnetic interference signals." These additional connections can utilize public lines, but do not affect the main function of the pulse. Note. Due to the wide variety of pulses, power supplies, and tamper-proof connections, it is not possible to assign core colors by function. 5 Non-addressable water meter---B type Note. The main function of this output type is to provide a data stream to confirm and report the recorded unit water volume when the meter is independently connected to the meter reading device. 5.1 General Compatibility is defined by the following output modes and dataset types (using public data protocols). --- Output mode. 1, 2, 3; --- Data set type. A, S1, S2. Compatible products can be labeled. "B1S1", "B2A", "B3A", etc. 5.2 Output mode of non-addressable water meter The output mode of the non-addressable water meter shall comply with the requirements of Table 3. Table 3 Output mode of non-addressable water meter (type B) parameter Types of "B1" "B2" "B3" Process technology two-wire coding register three-wire coding register two-wire coding register Signal unidirectional ASCII data frame protocol bidirectional ISO data frame protocol Dataset type (see 5.3) Asynchronous or synchronous asynchronous voltage (if externally powered) 7V~17Vp-pAC 2.9V~6VDC (asynchronous) 5V~12VAC (synchronous) AC power frequency (if externally powered) 10kHz~30kHz - Two-wire modulation depth >10% inductance - Optical isolation - Not applicable Three-wire output low voltage - < 0.9V (for "public" pseudo open collectors / open drain, requires an external pull-up resistor) Current consumption < 3mA (asynchronous) < 15mA (synchronous) 5.3 Dataset Types for Non-Addressable Water Meters The data set type of the non-addressable water meter shall comply with the requirements of Table 4. Table 4 Dataset Types for Non-Addressable Water Meters (Type B) parameter Data set type “A” “S1” “S2” Communication asynchronous external clock synchronization Data transmission rate ≥ (300 ± 2.25) bit/s 0bit/s~2000bit/s

1 clock cycle per bit

1 clock cycle per bit, or 1200 bit/s 16 clock cycles per bit Character format 1 starts, 7 data (LSB first), even parity, 1 stops Two-wire data detection Logic 0 = carrier interrupt Logic 1 = NO action Logic 0 = burst Logic 1 = NO action Logic 0 = two-way exchange Logic 1 = NO bidirectional exchange Three-wire data polarity logic 0 = output LOW logic 1 = output HIGH Character interval ≤ 6bit time - - Data frame ≥ 4 same data frame clock control, "real time" per frame Frame interval < 2s < 200ms 8 "stop" bits Clock "low" definition - 250μsmin, 1000μsmax, stability ± 25% Clock "high" definition - >1000μs Power interruption condition >500ms >200ms 5.4 Non-addressable V-frame data protocol 5.4.1 General The non-addressable V-frame data protocol is variable in length and has the following format. Applicable fields can have subfields. Typical subfields are as follows. R--- field start sync character (uppercase letter); C---data type (uppercase letter); n---the actual reading of the water meter; , --- subfield separator. RCn is a mandatory field, and [, u[, f[, t]]] is an optional field. The first field should be an S field, and the optional field is independent of the order. In addition to specifying fields or subfields, manufacturers may include custom fields or subfields that may not be The corresponding reading device is readable. 5.4.2 Non-addressable V-frame data protocol field definition The non-addressable V-frame data protocol field definitions are shown in Table 5. Table 5 Non-addressable V-frame data protocol field definitions Field description format S field = serial number ID (required) (manufacturer code/ID) f S ms s=id, no more than 16 alphanumeric characters, 0~9, a~z R field = reading (optional) (total amount or flow) f; RCn[, u[, f[, t]]] data type C = current data Or.;RSn[,u[,f[,t]]]data type S=historical data Or.;RHn[,u[,f,t]] data type H=maximum flow Or.;RLn[,u[,f,t]] data type L=minimum flow n=The actual reading of the water meter, no more than 16 numeric characters 0~9, allowing one to be reserved Decimal point, "?" is the error indicator u=Unit of measurement see Table 5.4.3 f = multiplier/divisor of unit coefficient, power of 10, from -9 to 9 t = time unit (for flow) see Table 7.4.3 A-field=diagnostic information (optional) (manufacturer-defined); Aa a=no more than 16 ASCII characters B-field = billing ID (optional) account information; Ba a=no more than 16 ASCII characters C-field = checksum (optional) (block check character); Ca a=No more than 4 ASCII characters according to ISO 1155 J-field---free text (optional) (user-defined); Ja a=no more than 300 ASCII characters In addition to the above, valid ASCII characters are hexadecimal 20 to hexadecimal 7E, excluding the field separator ";" hex 3B The message length has no maximum, but includes "V" and " \u003cCR\u003e "There should be no more than 63 fields." 5.4.3 Non-addressable V-frame data protocol configuration table Table 6 and Table 7. Table 6 Unit of measure code Code unit of measure

1 cubic meter

2 liters

3 US gallons

4 inch gallons

5 cubic feet

6 acre feet

7 hectares

Table 7 time unit code Code time unit

1 second

2 minutes

3 hours

4 days

5 years

5.5 Non-addressable two-wire asynchronous mode with sensor board and sensing probe readings This is a two-wire interface through which an alternating voltage (or rectified alternating current) is applied to the registers of the data circuit to Provides internal power and data carriers. After power-on, using amplitude modulation, the register data is automatically read at a predetermined bit rate, and the data is transmitted in the same data frame. Disconnecting the carrier indicates a logic 0, and disconnecting the carrier indicates a logic 1. After the data transfer is completed, if the register is still powered, it can enter the passive state and receive the manufacturer's custom configuration. make. Therefore, when re-reading, it is necessary to interrupt the power supply for a short period of time specified in 5.3, and then power up. The typical configuration is shown in Figure 6. Description. 1 --- reading sensor board; 2 --- cable; 3 --- register; 4 --- data line; 5 --- public line; 6 --- low pass filter; 7 --- digital data; 8 --- AC drive; 9 --- reading sensing probe (showing internal details); 10 --- This standard defines points; N --- negative electrode; P --- positive electrode; VE---positive potential difference. Figure 6. Non-addressable two-wire asynchronous mode typical configuration with sensor board and sensing probe readings 5.6 Non-addressable three-wire asynchronous mode for direct connection of repeater/bus nodes This is a three-wire interface through which DC voltage is applied to registers on the power line to provide internal power. After power-on, the data of the register is automatically read on the data circuit at a predetermined bit rate, and the number of data frames is transmitted in the same data frame. according to. This is actually an “open drain” output, so a pull-up resistor is required external to the register. The data consists of a low level representing a logic "0" and a high level representing a logic "1". After the data transfer is completed, if the register is still powered, it can enter the passive state and receive the manufacturer's custom configuration. make. Therefore, when re-reading, it is necessary to interrupt the power supply for a short period of time specified in 5.3, and then power up. Compatible registers may also conform to the two-wire asynchronous mode. In some process technology applications that use both two-wire and three-wire systems, the use of a built-in diode on the data circuit results in power up. To avoid this, a transponder can be used to control the power supply of the pull-up resistor.

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