PFEA112-20 ABB
PFEA112-20 ABB
PFEA112-20 ABB
本液位测量产品手册用作各行业液位测量项目的用户指南。液位测量产品是一个较为宽泛的概念，单凭一本书无法全面说明，但我们的目标是尽量纳入用户最为关注的信息。
在文中，我们还罗列了一些液位测量应用，虽然不尽全面，但用户可以类似应用作为自己应用的指导。
请记住，在选择合适的液位测量设备时，决定权始终属于用户，这些指导说明仅是我们根据多年经验所作出的推荐。如果您无法作出决定，请联系您当地的艾默生销售代表。
第 1 章 – 液位测量，对液位测量进行了概述。本章节描述了液位测量的不同原因，并解答了一些用户在挑选液位测量设备时可能存疑的问题。
第 2 章 – 液位测量技术，列举了一系列市场中现有的液位测量技术。在本章节中，我们对测量技术和原理进行了描述，并说明了各项技术的优势和局限。其原因在于，对于大部分应用来说，市面上尚无任何一种技术能够满足其所有要求。不同的过程条件、测量介质以及用户的偏好都将影响技术的最终选择。
第 3 章 – 罗斯蒙特液位测量产品， 概述了罗斯蒙特过程液位测量产品。
第 4 章 – 液位测量应用与技术选择，从本章开始介绍具体的液位测量应用。本章节中所选择的应用旨在为不同类型应用提供范例，并未涵盖所有可能发生的情况。这是为应用选择合适的液位测量设备的第一步。本章列举了各类应用的适用技术。
第 5 – 10 章，安装指南，详细说明了各项液位测量技术的安装注意事项。
第 11 章 – 全套解决方案，涵盖了如何选择和确定导波雷达和旁通管的尺寸，以达到完美的安装效果。
第 12 章 – 法兰及材料，解释说明了用户所需的法兰及其材料信息。
第 13 章 – 产品批准和产品认证，对不同标准进行了概述。
第 14 章 – 安全回路，说明了安全回路的重要性，并解释了应用验证和认证之间的区别。
第 15 章 – 参考材料，包含转换表、不同介质的介电常数、蒸汽表、液位测量术语等参考信息，并对一系列最常见的问题进行了解答。
第 16 章 – 文档，包含支持文件。这些技术说明和白皮书说明了如何成功应对液位测量带来的挑战，以及其他用户使用罗斯蒙特液位测量技术的范例。
control
The scheme can be realized by the combination of these function blocks.
The
function blocks provided by the system mainly include the following categories:
o
Analog
processing
o
digital processing
loop regulation
Logical sequence control
c
logic operation
Monitoring function
Collection function.
c
arithmetic operations
c
TCP/IP protocol
communication interface
Modbus protocol communication interface
1EC870-5 protocol 
communication interface (Telecontrol)
4.2 Field Controller PS
Industrial” field
controller PS is a special process control station, which is embedded with field bus
communication interface for users to use
Fieldbus technology offers very flexible
options. Each PS allows to insert 4 fieldbus interface cards (the card type can be
different),
Each card is connected to 1 field bus to collect process data and diagnostic
information from the bus, the interface card is easy to replace and plug and play
(Plug
& Play), and can be plugged and unplugged.
The field controller PS has the following
characteristics:
o
Flexible: supports all international standard open fieldbuses and can
be mixed
Simultaneous connection of 4 high-speed fieldbuses (max. 12 MBd)
Simple
engineering: configuration, commissioning and diagnostics using only the same tool CBF
(Control Build F) software
mouth
Access to all information from the field including
equipment management information
Global database of fieldbus devices, control levels and
HMI (Human Machine Interface) usage systems
Module identification with production
operating parameters
c
complete self-diagnosis
Compact and robust design
Front Panel
Wiring
DIN rail (U-shaped) installation well can be directly wall mounted, simple and
convenient
o
Allowable operating ambient temperature…60 C, with automatic temperature
monitoring
o
EMC (Electromagnetic Compatibility) according to EN50082
mouth
Certifications:
CE, NAMUR, CSA, CSA-NRT
More about this source textSource text required for additional
translation information
Send feedback
5,000 character limit. Use the arrows to translate
more.
The system technology of retail industry has been facing the challenges brought by the
problems of complexity and rising cost. Modern automation solutions provide a technical
method to combine different technologies.
The integrated control concept of Wanke shopping mall integrates multiple functions
(including monitoring and energy management) into an intelligent solution, which
significantly simplifies the system setting and operation. Most importantly, it can
