FTA-544 17
FTA-544 17
FTA-544 17
TruePeak波长可变半导体激光分析仪TDLS220的专有设计,用于测量工艺气体流路中O2的体积比(vol%),准确、可靠而且低维护。
TruePeak波长可变半导体激光分析仪TDLS220可以在多种工艺应用中测量O2,工艺温度高达120℃,工艺压力高达100psi,腐蚀性和刺激性的工艺条件下也不受影响。
TruePeak波长可变半导体激光分析仪TDLS220是最坚固耐用的氧分析仪之一。
5秒钟的快速测量,不受干扰,测量精度较之其他氧分析仪更高。
TruePeak波长可变半导体激光分析仪TDLS220的测量基于吸收理论,自成TDLS系统,当激光通过待测气体时,根据测量吸收的激光量分析气体浓度。
波长可变半导体激光分析仪的构造非常简单,激光器产生红外光,光学镜片用于聚焦通过待测气体的激光束,然后反射至检测器,检测器和电子设备控制激光器,并将检测信号解析成可以表示气体浓度的信号。
engineering station takes place via the system bus DigiNetS (Industrial Ethernet). user
Different transmission media (RJ45 twisted pair, thin, thick or fiber optic cables and mixed media) and network topology can be selected for the system bus.
Simple layout, due to the use of TCP/IP protocol, the system can also use the public telephone network (dial-up mode) or satellite to achieve ultra-long-distance communication.
Subsystems such as PLC communicate with the Industrial” system through the ModBus protocol interface. The system also supports IEC870-5 over-control protocol.
discussion.
The Flash EPROM inside the PS provides more than 220 functional modules (control algorithm subroutines), in addition to the basic ones specified in the IEC 61131 3 standard
In addition to this content, many powerful and rigorously tested function blocks from actual engineering applications have been expanded. any complex 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