Two-input one-output high-select output isolation gate
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Dear sea friends, does anyone have a high-selection output isolation gate with two inputs and one output? I haven’t seen any related products from the well-known brands MTL and P+F. The link below leads to a manufacturer’s product, but I’m not sure about its quality: http://www.hi1718.com/product/2017120111827766.html
1. Have not used it. High-level selection can be fully achieved through logical configuration within the control system, and it is also possible to clearly see which output is selected at present. 2. The product must be designed to solve problems; for example, by using two safety barriers, it addresses the issue of not being able to install two meters on site, while still allowing the signals to be sent to different systems ； I’m not sure what problems and pain points the two-input one-output high-selection output isolation gate is meant to address.
If the control system involves delay issues, and there are requirements regarding signal response time, then it is not an ideal choice for such a control system.
Is your system requiring such strict response times? Is it being used in a SIS system?
The forum provides information on the product specifications of signal selectors: https://bbs.hcbbs.com/thread-2230280-1-1.html http://yunrun.com.cn/upload/201806/05/201806051604503283.png Features of signal selectors: ◆ High precision, high reliability, high stability, and long service life ◆ There are four ways to control the signal output: automatic high selection/low selection, digital control, and high/low level control ◆ Complete isolation for inputs, outputs, and power supply ◆ Low power consumption, minimal temperature drift, and resistance to strong interference Examples of signal selector models: YR9033A-00-G-AH: Both input signals are 4-20mA; the signal output is controlled in an automatic high-selection manner, resulting in one 4-20mA signal being output. YR9033A-00-G-AL: Both input signals are 4-20mA; the signal output is controlled in an automatic low-selection manner, resulting in one 4-20mA signal being output. YR9033A-00-G-DI: Both input signals are 4-20mA; the signal output is controlled via digital control, resulting in one 4-20mA signal being output. YR9033A-00-G-LS: Both input signals are 4-20mA; the signal output is controlled using high/low level control, resulting in one 4-20mA signal being output