Due to different manufacturers, the production process and wiring definition of the isolator are not all the same, but the use situation is basically the same, so the protection requirements and maintenance of the product are basically the same.
1. Read the instructions carefully before use.
2. When used as signal isolation, the input should be cascaded into the loop circuit and the output connected to the sampling loop.
3. When used as isolated power distribution, the input should be incorporated into the power circuit and the output terminated.
4. If it is not working properly, check whether the wiring is correct and pay attention to the presence or absence of polarity and polarity.
Why is the signal received by the PLC sometimes inaccurate and with poor stability?
There are many reasons for this phenomenon. The potential difference between signal reference points of different instruments is an important factor. Because of this "poor" caused interference current between the instrument signal, resulting in PLC error and poor stability. Therefore, there is a common reference point for the signals of different equipment and instruments. The isolator completely isolates the inputs/outputs electrically and forms a common reference point in the PLC analog interface board. This solves the problem of achieving an ideal condition.
Is the 4-20mA channel isolated and there is no room for power in the cabinet?
A passive signal isolator, which can achieve 4-20mA signal isolation and no external power supply. PH1033 is such a product. Now that there are so many brands of isolators on the market, prices vary. How can we choose? The isolator is located between two system channels. Therefore, the isolator must first determine the input and output functions. At the same time, the input and output modes (voltage, current, and loop-powered) of the isolator must be adapted to the front and rear channel interface modes. In addition, there are many important parameters such as accuracy, power consumption, noise, dielectric strength, and bus communication function that relate to product performance. For example, noise is related to accuracy, power consumption is related to reliability, and these require careful selection by the user. In short, the main principles for selecting isolators are their suitability, reliability, and cost-effectiveness.
Kaizha (Shanghai) Automation Equipment Co., Ltd. has been committed to the introduction of advanced foreign instrumentation in China. Our business philosophy is: high quality products + complete solutions + lifelong services. After years of hard work, we have provided quality products, equipment and good services to more than 2,000 customers at home and abroad. The products we introduce have been widely used in various fields such as metallurgy, petrochemical, electric power, building materials, electronics, food, and military.
Since the establishment of the company, relying on strong technology and quality, fair and stable prices, serious and responsible service attitude, adhering to the "integrity, quality, professionalism, service, innovation," the corporate philosophy, in a "hard-working, pragmatic" business attitude, Thousands of business units have provided automation solutions. We wholeheartedly provide every customer with perfect and timely pre-sale, sales, after-sales service, and finally get the consistent trust and praise from our customers. Users are welcome to negotiate.
1. Read the instructions carefully before use.
2. When used as signal isolation, the input should be cascaded into the loop circuit and the output connected to the sampling loop.
3. When used as isolated power distribution, the input should be incorporated into the power circuit and the output terminated.
4. If it is not working properly, check whether the wiring is correct and pay attention to the presence or absence of polarity and polarity.
Why is the signal received by the PLC sometimes inaccurate and with poor stability?
There are many reasons for this phenomenon. The potential difference between signal reference points of different instruments is an important factor. Because of this "poor" caused interference current between the instrument signal, resulting in PLC error and poor stability. Therefore, there is a common reference point for the signals of different equipment and instruments. The isolator completely isolates the inputs/outputs electrically and forms a common reference point in the PLC analog interface board. This solves the problem of achieving an ideal condition.
Is the 4-20mA channel isolated and there is no room for power in the cabinet?
A passive signal isolator, which can achieve 4-20mA signal isolation and no external power supply. PH1033 is such a product. Now that there are so many brands of isolators on the market, prices vary. How can we choose? The isolator is located between two system channels. Therefore, the isolator must first determine the input and output functions. At the same time, the input and output modes (voltage, current, and loop-powered) of the isolator must be adapted to the front and rear channel interface modes. In addition, there are many important parameters such as accuracy, power consumption, noise, dielectric strength, and bus communication function that relate to product performance. For example, noise is related to accuracy, power consumption is related to reliability, and these require careful selection by the user. In short, the main principles for selecting isolators are their suitability, reliability, and cost-effectiveness.
Kaizha (Shanghai) Automation Equipment Co., Ltd. has been committed to the introduction of advanced foreign instrumentation in China. Our business philosophy is: high quality products + complete solutions + lifelong services. After years of hard work, we have provided quality products, equipment and good services to more than 2,000 customers at home and abroad. The products we introduce have been widely used in various fields such as metallurgy, petrochemical, electric power, building materials, electronics, food, and military.
Since the establishment of the company, relying on strong technology and quality, fair and stable prices, serious and responsible service attitude, adhering to the "integrity, quality, professionalism, service, innovation," the corporate philosophy, in a "hard-working, pragmatic" business attitude, Thousands of business units have provided automation solutions. We wholeheartedly provide every customer with perfect and timely pre-sale, sales, after-sales service, and finally get the consistent trust and praise from our customers. Users are welcome to negotiate.
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