自动化测量系统翻译-中英对照
规格和设施指南
16.1.5常规电缆支架由仪器工作电路组成，不可以与其他类型电缆共享，并且路线必须确定在避开高温或危险的区域
16.1.6 网络电缆必须受金属输送管道保护并且可以安装在仪器支架外侧。
16.1.7 温度传感器必须直接连接到PLC卡。
16.1.8 仪器元件指定时必须考虑VSB可能决定使用氮气而不是压缩空气。
16.1.9在脉冲插口附近优先安装发射机，以便避免测量减速并且应该是可能性最大的编组。不可以受附近的设备振动和温度的影响。
如有必要，在控制柜安装保护装置防止机械震动。
16.2 必要时，必须提供锅釜、泄水阀、隔绝阀门、密封液体、封印与膜片、流程开关、压力开关等设施。
16.3 不锈钢管材，原则上采用直径16毫米材料，使用在脉冲插口管道上。插口安装必须能通过一根横杆方便清洁和去除阻碍。
16.4 Ermeto类型连接装置必须用于仪器管道系统。
16.5 在管道系统里面必须预留一个最小1/20的倾斜，为避免杂质和湿气的储积。
16.6 所有仪器元件必须通过走道或平台提供接入设施，保证高效率运作和安全维护。
16.7 控制柜和控制箱的外部最小保护等级必须为IP-54，必须安装补全封盖防止雨水侵蚀。
16.8修造仪器控制面板的钢片至少为2.65毫米厚，包括组装板材、门和封盖。 封盖和门必须在外部安装防止尘土入口和铰链。
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技术规格
电，自动化和测量系统¤
规格和设施指南
16.9 安装指令和发信号组件的穿孔直径为30.5毫米。
16.10 断开开关和保护保险丝终端必须使用模拟信号；
16.11 导体捻股等级为4，方便修理；如有可能，采用明装使之形象化和方便接入。
16.12 单芯电缆或多芯电缆，导体的横断面最大为0,75毫米，可以使用模拟和数字电路。
16.13按以下考虑，要求控制设备采取低级模拟信号：
● 当使用双重指令时，必须采取下列保护;
● 当使用多重指令时，每个部件必须分开进行充分保护;
● 必须带有外延电缆保护;
● 三股或四股电缆和保护导体必须使用测温电阻器连接;
● 补偿电缆的颜色采取准则DIN 437 10-4。
16.14 所有设施、维护，配置和编程等手册必须涵盖测量系统的所有元件供应。
16.15 必须提供处理流程图和P&I，描述仪器所有管道系统和流体，以及他们之间的逻辑互联。
16.16 必须提供回路和组件的所有细节，包括中的每个功能的的逻辑表示法-由控制设备执行-必须提供。
16.17必须为工厂仪器、数据表和仪器的演算布局提供“电路耦合”图纸。
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技术规格
电，自动化和测量系统¤
规格和设施指南
17电气室和控制室
属于电气和控制系统室有关的位置、布局、控制面板安排、设施等等的所有问题，必须事先同VSB团队讨论，规范化并且优选设计演绎这些房间。必须安装至少有三个门以方便出入；一个门为移动的材料和设备出入；其他二个门安装在反侧，提供给电路人员出入；这些门必须能“快速出入”；可以在紧急情况的快速撤离。 这些房间要求安装有冷气，如果必要或至少安装有强制性通风过滤器。必须为中等电压、电池和低压设置独立的房间。电气系统内的自由高度不低于2.5米。
18电子文件
参见标准VS-E-002-
TECHNICAL SPECIFICATION
ELECTRICAL, AUTOMATION AND INSTRUMENTATION SYSTEM -SPECIFICATION AND INSTALLATION GUIDELINE VS1
16.1.5 The conventional cable trays composing the instrumentation circuits may not be shared with
other cable types and the routes must be determined in order to avoid high-temperature or
risky zones
16.1.6 The network cables must be protected by metallic conduits and may be installed on the
outer sides of the instrumentation trays.
16.1.7 The temperature sensors must be directly connected to the PLC cards.
16.1.8 When specifying the instrumentation elements it must be considered that VSB may decide
to use nitrogen instead of compressed air.
16.1.9 The transmitters must preferably be installed near the impulse sockets in order to avoid
measurement retards and they should be the most possible grouped. They may not be
affected by vibrations and temperature of nearby equipment.
When necessary they must be assembled in cabinets for protection against mechanical shocks.
16.2 Pots, drain valves, isolating valves, sealing liquid, seals with diaphragms, flow switches,
pressure switches, etc. must be supplied wherever necessary.
16.3 Stainless steel pipes, in principle with diameter 16 mm shall be used for the piping of
impulse sockets. The sockets must be mounted in such a manner that is becomes possible
to pass a rod through them for cleaning and removing obstructions.
16.4 Ermeto type connections must always be used in instrumentation piping.
16.5 A minimum slope of 1/20 must be foreseen in order to avoid accumulation of impurities and
humidity in the inside of the piping.
16.6 All instrumentation elements must be provided with access facility by means of walkways or
platforms for ensuring efficient and safe maintenance.
16.7 The minimum protection class of cabinets and boxes for instruments installed externally
must be IP-54 and they must dispose of complementary cover with frontal advance for
protection against rain.
16.8 The panels for installation of instruments must be built of steel sheets at least 2.65 mm thick
for the structure and have assembly plates, doors and covers. The covers and the doors
must be provided with sealing for preventing dust entry and the hinges must be installed on
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TECHNICAL SPECIFICATION
ELECTRICAL, AUTOMATION AND INSTRUMENTATION SYSTEM -SPECIFICATION AND INSTALLATION GUIDELINE VS1
the outside.
16.9 The perforations for installing command and signaling components must have diameter 30.5
mm.
16.10 Terminals with disconnecting switches and protection fuses must be used for analog
signals.
16.11 The conductors must be stranding class at least 4, be free of mends and, whenever
possible, be installed with easy visualization and access.
16.12 Single cables or multicables, with conductors' minimum cross-section of 0,75 mm2, may be
used for analog and digital circuits..
16.13 The following considerations must be complied with for low-level analog signals which will
be taken to the control equipment:
? When using double conductors, these must be shielded;
? When using multi-conductor cables, each one must have separate full shielding for each
pair;
? The extension cables must also be provided with shielding;
? Cables of three or four twisted and shielded conductors must be used for connection of
resistance bulbs;
? The norm DIN 437 10-4 must be adopted for the colors of compensation cables.
16.14 All installation, maintenance, configuration, programming, etc. manuals must be supplied for
all elements of instrumentation systems.
16.15 The process flowcharts and the P&l, with details of all piping and fluids for the instruments
and the logical interconnections between them, must be supplied.
16.16 All details of loops and their components, including the logical representation of the
functions of each - even those performed by the control equipment - must be supplied.
16.17 The "hook-up" drawings for the layouts of the plant instruments, the data sheets and the
calculation of the instruments must be supplied.
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TECHNICAL SPECIFICATION
ELECTRICAL, AUTOMATION AND INSTRUMENTATION SYSTEM -SPECIFICATION AND INSTALLATION GUIDELINE VS1
17 ELECTRICAL AND CONTROL ROOMS
Localization, layout, panel arrangements, furniture, etc. and all and any matter related to rooms belonging to the electrical and control systems, must be previously discussed with the VSB team in order to standardize and optimize designs A priori these rooms must have at least three doors. One for moving materials and equipment and the other two, installed on opposite sides, for circulation of the personnel. These doors must have "quick exit" type locks for facilitating emergency evacuation. These rooms must be air-conditioned when necessary or at least have forced ventilation through filters. There must be separate rooms for medium voltage, batteries and low voltage. The free height of the electrical system rooms may never be less than 2.5 meters.
18 ELECTRICAL DOCUMENTATION
See standard VS-E-002-5.
Issue Date | 18/06/2008 Revision | 002 Revision Date | 04/09/2008 Page 25 of 25
武汉翻译公司
2013.7.28