932S820CKLF

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932S820CKLF is a combination of optocoupler isolation and integrated circuit technology. It includes an LED input stage, an optocoupler output stage, a 4-bit counter and decode logic, and a built-in waveform generator circuit. Nine individual outputs are provided for control or indicating lamps, relays, and other small output loads. The device has 5 volts of direct current (VDC) input and output, and may be used with an inexpensive adapter or standard 5 VDC supply. 932S820CKLF is an optically isolated device primarily used for controlling or indicating small loads or for interposing low-level signals. It can be used as an interface between logic systems.

The application fields of 932S820CKLF include: Industrial process control, temperature controller, motor control equipment, consumer products, light show control, data acquisition systems, communication systems, and switching applications. The 932S820CKLF can also be used in commercial and scientific applications. It is also suitable for use in any application where consistent optical isolation of low level signals is desired.

The working principle of 932S820CKLF is the use of a 4-bit binary counter, which is part of the integrated circuit, to generate eight digit timing signals, and the output stage formed by two optocouplers. The counter is made of CMOS PLD logic, and a latch circuit is used to keep the output of the counter in a certain state. The output of the counter is connected with the two optocouplers. When the signal voltage to the optocoupler exceeds the breakdown voltage, the optocoupler emits a current, and thus the output relay will be energized.

In addition, the internal logic of the 932S820CKLF includes a Schmitt Trigger circuit with hysteresis and some logic gates connected to the four trigger inputs. These logic gates modify the outputs of the counter when required. 932S820CKLF also incorporates a decimal decoder circuit to provide further control of the output relay. The current output from the decimal decoder can be used to activate additional output devices, such as lamps or indicators. The 932S820CKLF is also capable of generating a pulse waveform, which can be used for remote control applications.

Overall, the 932S820CKLF is an optically isolated device designed for controlling or indicating small loads or for interposing low level signals. Its application fields include industrial process control, temperature controller, motor control equipment, consumer products, light show control, data acquisition systems, communication systems, and switching applications. Its working principle is mainly based on the 4-bit binary counter and two optocouplers, and it also has the functions of providing Schmitt Trigger circuit with hysteresis and a decimal decoder circuit.

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