Overcoming one of the interference measures of the forward process channel in the industrial automation control system MHM-05 is an analog signal isolator, called the safety barrier, also known as signal transmitter, which belongs to the category of signal conditioning. It mainly acts as an anti-interference. Because of its strong anti-interference ability, it is widely used in automatic control systems. Especially in the industrial automation is getting higher and higher. As the number of sensor applications increases, the accuracy and sensitivity requirements of the sensor are increasing. The control program is also more and more complicated. The interference to the industrial site is complicated. It is complicated by the start and stop of the control field such as the motor, the switching of the large current contactor, the phase modulation of the thyristor, the arc pulse, the electromagnetic wave, etc. Interference group, in the system design, it is necessary to fully consider the use of isolation measures to ensure the reliability of the system, cut off all kinds of channels that may cause interference. The reliability of the entire system design is a very important part of the system's success or failure. Therefore, the industrial standard remote transmission analog signal DC 4-20mA through the signal isolator makes the output analog signal completely isolated from the system, there is no common point, which is usually called insulation isolation state. From the statistics of many imported automation projects, the ratio of 1:1 current signal isolators used in on-site analog signal acquisition is extremely high. It is really unnecessary to know that in many domestic self-built projects, it is blocked in the process of large-scale system integration. And then there are few cases in which the isolation measures can be solved? Therefore, at the beginning of the system design, it is necessary to repeatedly emphasize the use of anti-interference measures. This is the slogan of the experience of many real-life cases. This technical measure is indeed one of the most effective anti-interference measures in today's automated control systems to overcome the forward process channel. The signal isolators are mainly used in conjunction with industrial intelligent measurement and control systems such as DCS and PLC. It is used to improve and supplement the system analog I/O plug-in function to enhance the reliability of the field and remote signals. However, many signal isolators on the market still need to be supplemented with an auxiliary power supply, or the products with relatively low technical content can be used to fill the market, and the use is also inconvenient. From the perspective of system reliability, the addition of one more component not only increases the scalability of a fault point, but also introduces a new interference channel. Nowadays, with the development of new technologies and new processes, the performance of many devices is constantly improving, and the power consumption of devices has dropped to negligible. Therefore, the newly designed MMH-05A signal isolators from Shanghai Yilun Electromechanical Co., Ltd. are applied. An isolator designed with modern new technology that does not require any external auxiliary power supply. It has only two inputs and two outputs, which brings convenience to system design and application. It also improves system reliability. MHM-05A adopts the chip module bayonet structure in the structure, which can be directly inserted into the standard DIN rail, so it is very convenient to install, disassemble and maintain. Multiple terminals can be mounted on a standard rail in a compact stack to save or replace the input and output terminals of the control cabinet. The MHM-05C is an electronic module structure that can be directly mounted on a PCB printed circuit board. MHM-05 series signal isolators are passive isolated, single input, single isolated output. Enter 4-20 mA. Output 4-20 mA.
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Height x Length : 6` x 10`
Frame Tube : 32 x 2.0mm
Wire Diameter : 3mm
Mesh Size : 50 x 50mm
Material: Hot dipped galvanized wire & tube
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