Foxboro P0926KH Relay Module

Description

The FCM100E two-position, vertically mounted Modular Baseplate RH926KH (supersedes P0926KH) or the two-position, horizontally mounted Modular Baseplate RH926KE (supersedes P0926KE).

In industrial production processes, a large number of switch values are sequentially controlled, which act according to logical conditions and control interlocking protection actions according to logical relationships, as well as collect a large amount of discrete data. Traditionally, these functions are achieved through pneumatic or electrical control systems.

In 1968, General Motors of the United States proposed to replace electrical control devices. The following year, Digital Corporation of the United States developed a control device based on integrated circuits and electronic technology, which was first applied to electrical control through programmed means. This was the first generation of programmable controllers, known as Programmable Controllers (PCs). After the development of personal computers (PCs), for convenience and to reflect the functional characteristics of programmable controllers, programmable logic controllers (PLCs) were named.

From the 1980s to the mid-1990s, PLC was the fastest growing period, with an annual growth rate of 30-40%. During this period, PLC’s ability to handle analog signals, digital operations, human-machine interface, and network capabilities were significantly improved. PLC gradually entered the field of process control and replaced the dominant DCS system in some applications.

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