HG/T 20573-2012 PDF English
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HG/T 20573-2012: Code for distributed control system engineering design---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/HGT20573-2012
HG
Industry Standard of the People's Republic of China
Record No.. J1433-2012
Code for Distributed Control System Engineering Design
Issued on May 24, 2012 _____ Implemented on November 1, 2012
Issued by. Ministry of Industry and Information Technology of P. R. China
Industry Standard of the People's Republic of China
Code for Distributed Control System Engineering Design
Chief Development Department.
China Chengda Engineering Co., Ltd.
Approval Department.
Ministry of Industry and Information Technology of the People's Republic of China
Implementation Date.
November 1, 2012
Beijing, 2012
Table of Contents
Foreword... 7
1 General Provisions... 9
2 Normative References... 10
3 Terms, Definitions and Abbreviations... 11
4 General Requirements for DCS... 16
5 Design Principles and Responsibility Distribution of DCS Engineering Design... 19
6 Control Stations (Process Control Stations)... 21
7 Operator's Stations... 24
8 Engineer's Operating Stations... 27
9 Communication Systems... 28
10 Software, Application Software, Software Configuration File and Software
Configuration... 30
11 Procedure for DCS Engineering Design... 32
12 Design of DCS Control Rooms... 33
13 Design of DCS Power Supply System, Grounding System and Lightning
Protection System... 34
14 Acceptance Test, Installation, Integration Test and Commissioning of DCS... 35
Appendix A Requirements for Preparation of DCS Technical Specification... 37
1 General Provisions
1.0.1 This code specifies the technical requirements of DCS, the procedure and task of
DCS engineering design and the preparation requirements of DCS technical specification.
1.0.2 This code is applicable to the DCS engineering design in the chemical industry and
other process production industries, it not only may be used for the DCS control scheme
formulation and the DCS engineering design work of the new construction projects or the
technological transformation projects of old enterprises, but also is applicable to the
cooperation work for DCS purchasing as well as the participation in such design service
works as configuration, installation, integration test and commissioning of DCS.
2 Normative References
The following referenced documents are indispensable for the application of this code. For
dated references, only the edition cited applies. For undated references, the latest edition of
the referenced document applies.
"Design Code for Control Room" (HG/T 20508)
"Design Code for Instrument Power Supply System" (HG/T 20509)
"Design Code for Instrument Grounding" (HG/T 20513)
"Procedure for Engineering Design of Instrumentation" (HG/T 20636.7)
"Common Terms and Definition for Measurement and Control System Design" (HG/T
20699) design
"Terms for Distributed Control System" (JB/T 9268-1999)
"Design Code for Instrument System Lightning Surge Protection Engineering in
Petrochemical Engineering" (SH/T 3164-2012)
3 Terms, Definitions and Abbreviations
3.1 Terms and Definitions
For the purpose of this code, the following terms and definitions apply.
3.1.1 Application software
The generic term of computer programs, processes, regulations and relevant documents
required to let DCS complete the supervision on a certain production process.
3.1.5 Broadband LAN
A kind of local area network that is able to encode and reuse the data and also is able to
realize data transmission by wave carrier modulation.
3.1.6 Bus network
A kind of local area network that has only one access between any two data stations and in
which the data sent by one station is usable for all other stations in the same transmission
medium.
3.1.7 Communication system
A kind of system that is composed of various communication links, protocols and functional
units and provides the effective communication among the component parts of computer
network. This system ensures the information transfer by a decided mode in a group of
interconnected stations.
3.1.11 Data station
A complete set of functional units that is also known as station and is composed of data
terminal equipment, data circuit-terminating equipment and its common interface.
3.1.12 Distributed control system-DCS
A kind of intelligent station network that is characterized by distributed control function,
centralized operating display and hierarchical structure. It is applied for the purpose of
controlling or controlling and managing an industrial process or factory.
3.1.13 Engineer's operating station
The intelligent station provided for the Engineer at the supervision level of distributed control
system to realize the system generation, which generally also has the functions of operator's
station.
3.2 Abbreviations
This code adopts the following abbreviations.
4 General Requirements for DCS
4.1 Basic Technical Requirements
4.1.1 Dispersibility.
DCS shall adopt distributed configuration over hardware units to realize the distribution of
system functions and operation risks as well as the requirements of formidable function and
flexible configuration.
4.1.4 Advancement.
DCS shall have advanced hardware and software environment and be able to satisfy the
requirements of runners on advanced control and real-time process optimization software.
4.1.5 Expansibility.
It's required to construct the business information system or integrated management
automatic system on the basis of DCS by utilizing the openness, extensibility and
integrability of DCS.
4.2 Application Requirements
4.2.1 Independent application of DCS.
The supervision function of DCS upon the production process shall meet the following
requirements.
4.2.3 Combination between DCS and upper computer.
The combination of DCS and upper computer shall meet the following requirements.
4.2.4 Combination between DCS and other control devices.
DCS shall be able to adopt the communication mode to combine with the following
supervision devices/ systems.
4.2.6 Application of computer integrated management system.
Computer integrated management system (CIMS) is constructed by integrating the DCS
process control technology and the computer information management technology and is
used for conducting the enterprise strategies for improving production, optimizing
management and improving economic performance, etc.
4.3.3 Configuration for connection with information management network.
When DCS is connected with the information management network, it may be configured
with internetworking components, e.g. repeater, bridge, router and gateway, etc.
4.3.4 Configuration of auxiliary cabinets.
According to the demand of engineering project, the guard grating/isolator/relay cabinet or
intermediate terminal cabinet may be configured.
5 Design Principles and Responsibility Distribution of DCS Engineering Design
5.1 Design Principles
5.1.1 DCS engineering design shall take comprehensive consideration of practicability,
reliability, availability, maintainability, traceability, economical efficiency and expansibility,
and shall reasonably adopt the redundant and tolerant technique.
5.1.5 The requirements on the combination of other complete sets of control systems shall
be proposed according to the DCS configuration conditions of the main device; DCS also
shall satisfy the special combination requirements proposed by the complete set of control
systems as required.
5.2 Responsibility Distribution
The main works within the life cycle of DCS involved in this code, e.g. DCS engineering
design, DCS purchasing, DCS installation and commissioning, as well as the DCS
manufacture and after-sale service, are undertook by the designer, buyer and seller
respectively, and the responsibility distribution is as follows.
5.2.1 DCS engineering designer is responsible for formulating the DCS supervision
scheme, preparing the DCS technical specification and completing the DCS engineering
design documents. It may cooperate with the DCS purchasing work according to the
provisions of engineering design contract and also participate in the application software
configuration, inspection, installation and test run of DCS.
6 Control Stations (Process Control Stations)
6.1 Function of Control Stations
6.1.1 The control stations shall be provided with the function of realizing the input and
processing of various physical signals and realizing the various real-time conventional
continuous control, and also shall be constructed with the corresponding (or similar)
function modules, like.
6.1.2 The control stations shall be provided with such control functions as realizing batch
control, sequence/interlocking logic and the like, and also shall be constructed with the
corresponding function modules, like the function modules of sequence control function
category, switch instrument category and sequential control element category, etc.
6.2 Structure of Control Stations
6.2.1 Generally, the control station may be composed of process interface unit, control
unit (controller) and data acquisition unit (being configured by the DCS manufacturer
according to needs).
6.3 Technical Requirements of Control Stations
6.3.1 Process I/O interface unit.
6.3.5 The standby of process interface should meet the following requirements.
6.3.6 The maximum load of control unit shall be less than 60%.
7 Operator's Stations
7.1 Function of Operator's Stations
7.1.1 Operator's station is the interface between system and operating personnel, it is used
for the monitoring and operating of the operating personnel to production process and also
used for configuration and maintenance. The operator's station shall also be provided with the
historical/statistical data collection function and the trend/statement display and print
function.
7.1.4 The trend display function of operator's station shall include real-time trend display
and historical trend display. The sampling time of real-time trend curve should be 1s, and the
curve time shall be Xmin at most. The sampling time of historical trend curve may be set as
1min to one month.
7.2.3 Quantity of operator's stations may be configured according to the following scope.
7.3 Technical Requirements of Operator's Stations
7.3.1 The hardware specification of operator's station shall be 32-bit bus and 32-bit or
64-bit CPU.
7.3.7 The data processing capacity of operator's station shall meet the following
requirements.
8 Engineer's Operating Stations
8.1 Function of Engineer's Operating Stations
8.1.1 The engineer's operating station shall be able to complete the configuration of DCS
and supervise the circuit configuration, and also shall have the function of being installed
downward into the operator's station and control station.
8.2 Structure of Engineer's Operating Stations
8.2.1 Engineer's operating station may be composed of host machine, displayer, engineer's
keyboard and printer, etc.
8.3 Technical Requirements of Engineer's Operating Stations
8.3.1 The hardware specification of engineer's operating station shall be 32-bit bus and
32-bit or 64-bit CPU.
8.3.2 It is able to conduct the online/offline configuration of control system and to
generate the application program.
8.3.6 The engineer's operating station shall be set with the software protection password
for fear that other personnel arbitrarily change the control strategy, application program or
system database.
8.3.7 The user interface of configuration software shall be friendly and easy to operate.
9 Communication Systems
9.1 Communication Networks
DCS communication network shall be divided into network layers according to the staging
hierarchy of DCS, which may be divided into three layers, including process control network,
monitoring and control network and management network.
9.1.2 Basic conditions of network.
DCS communication network shall meet the following basic conditions.
9.2 Communication Systems and Clock Synchronization Systems
9.2.1 DCS communication system should be composed of control network, information
network, communication interface card and network cable, etc.
9.2.2 DCS communication system should include one set of device clock synchronization
system in order to possess the capacity for receiving the clock signals from global positioning
system (GPS).
9.3 Communication Between DCS and Other Control Devices
9.3.1 The communication protocols that should be adopted for the communication between
DCS and other control devices are. TCP/IP-OPC, HART, MODBUS, PROFIBUS-DP/VI,
and FF HSE/H1.
9.3.2 Communication between DCS and other control devices should use the following
interface devices.
9.4 Technical Requirements of Communication Networks
9.4.1 DCS local area communication network and its communication sub-networks of all
levels shall have redundancy configuration.
HG/T 20573-2012
HG
Industry Standard of the People's Republic of China
Record No.. J1433-2012
Code for Distributed Control System Engineering Design
Issued on May 24, 2012 _____ Implemented on November 1, 2012
Issued by. Ministry of Industry and Information Technology of P. R. China
Industry Standard of the People's Republic of China
Code for Distributed Control System Engineering Design
Chief Development Department.
China Chengda Engineering Co., Ltd.
Approval Department.
Ministry of Industry and Information Technology of the People's Republic of China
Implementation Date.
November 1, 2012
Beijing, 2012
Table of Contents
Foreword... 7
1 General Provisions... 9
2 Normative References... 10
3 Terms, Definitions and Abbreviations... 11
4 General Requirements for DCS... 16
5 Design Principles and Responsibility Distribution of DCS Engineering Design... 19
6 Control Stations (Process Control Stations)... 21
7 Operator's Stations... 24
8 Engineer's Operating Stations... 27
9 Communication Systems... 28
10 Software, Application Software, Software Configuration File and Software
Configuration... 30
11 Procedure for DCS Engineering Design... 32
12 Design of DCS Control Rooms... 33
13 Design of DCS Power Supply System, Grounding System and Lightning
Protection System... 34
14 Acceptance Test, Installation, Integration Test and Commissioning of DCS... 35
Appendix A Requirements for Preparation of DCS Technical Specification... 37
1 General Provisions
1.0.1 This code specifies the technical requirements of DCS, the procedure and task of
DCS engineering design and the preparation requirements of DCS technical specification.
1.0.2 This code is applicable to the DCS engineering design in the chemical industry and
other process production industries, it not only may be used for the DCS control scheme
formulation and the DCS engineering design work of the new construction projects or the
technological transformation projects of old enterprises, but also is applicable to the
cooperation work for DCS purchasing as well as the participation in such design service
works as configuration, installation, integration test and commissioning of DCS.
2 Normative References
The following referenced documents are indispensable for the application of this code. For
dated references, only the edition cited applies. For undated references, the latest edition of
the referenced document applies.
"Design Code for Control Room" (HG/T 20508)
"Design Code for Instrument Power Supply System" (HG/T 20509)
"Design Code for Instrument Grounding" (HG/T 20513)
"Procedure for Engineering Design of Instrumentation" (HG/T 20636.7)
"Common Terms and Definition for Measurement and Control System Design" (HG/T
20699) design
"Terms for Distributed Control System" (JB/T 9268-1999)
"Design Code for Instrument System Lightning Surge Protection Engineering in
Petrochemical Engineering" (SH/T 3164-2012)
3 Terms, Definitions and Abbreviations
3.1 Terms and Definitions
For the purpose of this code, the following terms and definitions apply.
3.1.1 Application software
The generic term of computer programs, processes, regulations and relevant documents
required to let DCS complete the supervision on a certain production process.
3.1.5 Broadband LAN
A kind of local area network that is able to encode and reuse the data and also is able to
realize data transmission by wave carrier modulation.
3.1.6 Bus network
A kind of local area network that has only one access between any two data stations and in
which the data sent by one station is usable for all other stations in the same transmission
medium.
3.1.7 Communication system
A kind of system that is composed of various communication links, protocols and functional
units and provides the effective communication among the component parts of computer
network. This system ensures the information transfer by a decided mode in a group of
interconnected stations.
3.1.11 Data station
A complete set of functional units that is also known as station and is composed of data
terminal equipment, data circuit-terminating equipment and its common interface.
3.1.12 Distributed control system-DCS
A kind of intelligent station network that is characterized by distributed control function,
centralized operating display and hierarchical structure. It is applied for the purpose of
controlling or controlling and managing an industrial process or factory.
3.1.13 Engineer's operating station
The intelligent station provided for the Engineer at the supervision level of distributed control
system to realize the system generation, which generally also has the functions of operator's
station.
3.2 Abbreviations
This code adopts the following abbreviations.
4 General Requirements for DCS
4.1 Basic Technical Requirements
4.1.1 Dispersibility.
DCS shall adopt distributed configuration over hardware units to realize the distribution of
system functions and operation risks as well as the requirements of formidable function and
flexible configuration.
4.1.4 Advancement.
DCS shall have advanced hardware and software environment and be able to satisfy the
requirements of runners on advanced control and real-time process optimization software.
4.1.5 Expansibility.
It's required to construct the business information system or integrated management
automatic system on the basis of DCS by utilizing the openness, extensibility and
integrability of DCS.
4.2 Application Requirements
4.2.1 Independent application of DCS.
The supervision function of DCS upon the production process shall meet the following
requirements.
4.2.3 Combination between DCS and upper computer.
The combination of DCS and upper computer shall meet the following requirements.
4.2.4 Combination between DCS and other control devices.
DCS shall be able to adopt the communication mode to combine with the following
supervision devices/ systems.
4.2.6 Application of computer integrated management system.
Computer integrated management system (CIMS) is constructed by integrating the DCS
process control technology and the computer information management technology and is
used for conducting the enterprise strategies for improving production, optimizing
management and improving economic performance, etc.
4.3.3 Configuration for connection with information management network.
When DCS is connected with the information management network, it may be configured
with internetworking components, e.g. repeater, bridge, router and gateway, etc.
4.3.4 Configuration of auxiliary cabinets.
According to the demand of engineering project, the guard grating/isolator/relay cabinet or
intermediate terminal cabinet may be configured.
5 Design Principles and Responsibility Distribution of DCS Engineering Design
5.1 Design Principles
5.1.1 DCS engineering design shall take comprehensive consideration of practicability,
reliability, availability, maintainability, traceability, economical efficiency and expansibility,
and shall reasonably adopt the redundant and tolerant technique.
5.1.5 The requirements on the combination of other complete sets of control systems shall
be proposed according to the DCS configuration conditions of the main device; DCS also
shall satisfy the special combination requirements proposed by the complete set of control
systems as required.
5.2 Responsibility Distribution
The main works within the life cycle of DCS involved in this code, e.g. DCS engineering
design, DCS purchasing, DCS installation and commissioning, as well as the DCS
manufacture and after-sale service, are undertook by the designer, buyer and seller
respectively, and the responsibility distribution is as follows.
5.2.1 DCS engineering designer is responsible for formulating the DCS supervision
scheme, preparing the DCS technical specification and completing the DCS engineering
design documents. It may cooperate with the DCS purchasing work according to the
provisions of engineering design contract and also participate in the application software
configuration, inspection, installation and test run of DCS.
6 Control Stations (Process Control Stations)
6.1 Function of Control Stations
6.1.1 The control stations shall be provided with the function of realizing the input and
processing of various physical signals and realizing the various real-time conventional
continuous control, and also shall be constructed with the corresponding (or similar)
function modules, like.
6.1.2 The control stations shall be provided with such control functions as realizing batch
control, sequence/interlocking logic and the like, and also shall be constructed with the
corresponding function modules, like the function modules of sequence control function
category, switch instrument category and sequential control element category, etc.
6.2 Structure of Control Stations
6.2.1 Generally, the control station may be composed of process interface unit, control
unit (controller) and data acquisition unit (being configured by the DCS manufacturer
according to needs).
6.3 Technical Requirements of Control Stations
6.3.1 Process I/O interface unit.
6.3.5 The standby of process interface should meet the following requirements.
6.3.6 The maximum load of control unit shall be less than 60%.
7 Operator's Stations
7.1 Function of Operator's Stations
7.1.1 Operator's station is the interface between system and operating personnel, it is used
for the monitoring and operating of the operating personnel to production process and also
used for configuration and maintenance. The operator's station shall also be provided with the
historical/statistical data collection function and the trend/statement display and print
function.
7.1.4 The trend display function of operator's station shall include real-time trend display
and historical trend display. The sampling time of real-time trend curve should be 1s, and the
curve time shall be Xmin at most. The sampling time of historical trend curve may be set as
1min to one month.
7.2.3 Quantity of operator's stations may be configured according to the following scope.
7.3 Technical Requirements of Operator's Stations
7.3.1 The hardware specification of operator's station shall be 32-bit bus and 32-bit or
64-bit CPU.
7.3.7 The data processing capacity of operator's station shall meet the following
requirements.
8 Engineer's Operating Stations
8.1 Function of Engineer's Operating Stations
8.1.1 The engineer's operating station shall be able to complete the configuration of DCS
and supervise the circuit configuration, and also shall have the function of being installed
downward into the operator's station and control station.
8.2 Structure of Engineer's Operating Stations
8.2.1 Engineer's operating station may be composed of host machine, displayer, engineer's
keyboard and printer, etc.
8.3 Technical Requirements of Engineer's Operating Stations
8.3.1 The hardware specification of engineer's operating station shall be 32-bit bus and
32-bit or 64-bit CPU.
8.3.2 It is able to conduct the online/offline configuration of control system and to
generate the application program.
8.3.6 The engineer's operating station shall be set with the software protection password
for fear that other personnel arbitrarily change the control strategy, application program or
system database.
8.3.7 The user interface of configuration software shall be friendly and easy to operate.
9 Communication Systems
9.1 Communication Networks
DCS communication network shall be divided into network layers according to the staging
hierarchy of DCS, which may be divided into three layers, including process control network,
monitoring and control network and management network.
9.1.2 Basic conditions of network.
DCS communication network shall meet the following basic conditions.
9.2 Communication Systems and Clock Synchronization Systems
9.2.1 DCS communication system should be composed of control network, information
network, communication interface card and network cable, etc.
9.2.2 DCS communication system should include one set of device clock synchronization
system in order to possess the capacity for receiving the clock signals from global positioning
system (GPS).
9.3 Communication Between DCS and Other Control Devices
9.3.1 The communication protocols that should be adopted for the communication between
DCS and other control devices are. TCP/IP-OPC, HART, MODBUS, PROFIBUS-DP/VI,
and FF HSE/H1.
9.3.2 Communication between DCS and other control devices should use the following
interface devices.
9.4 Technical Requirements of Communication Networks
9.4.1 DCS local area communication network and its communication sub-networks of all
levels shall have redundancy configuration.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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