Sales of FOXBORO FBM04 P0400YE DCS system module

Description

When installing I/O modules, modules of the same model are usually placed together according to different systems. However, if the output module and input module form a loop, it is reasonable to place the modules involved in the parameters of a loop on a rack (or a rack controlled by a CPU). Some designers may not consider this when designing, but you can adjust it.

When selecting PLCs, there are various types of large, medium, and small PLCs, which are mainly caused by the different performance of CPU modules. In reality, not necessarily large functions are suitable. In addition to price considerations, the main point is that if there are not many control points and a small CPU module is fully capable, then a small CPU module will work more reliably than a large CPU module. Because small CPUs involve fewer resources, while large CPUs have more resources, during program execution, it is necessary to allocate time to process resources that are not needed by the program. This not only causes resource waste, but may not be as simple and stable as small CPUs in program processing.

During the design disclosure process, it should be pointed out that for any changes in the design, you can only provide suggestions, not make modifications without authorization. Because your responsibility is to construct according to the design, not the design, you can provide opinions on any unreasonable things you find, but you must wait until the design change confirmation letter is issued to you before you can work according to the changed design, although this change may be your opinion. Also, even if the initial design was done by you, you need to notify the customer and obtain their written consent after making changes.

The 0 to 20 mA Input Interface contains eight 20 mA dc analog input channels. Each channel accepts a 2-wire, analog sensor input such as a 4 to 20 mA transmitter or a self-powered 20 mA source. The module performs the signal conversion required to interface the electrical input signals from the field sensors to the redundant Fieldbus. The module is a main type, and independently connects to the redundant Fieldbus.

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