X: This is used to identify all direct, physical inputs to the PLC. To enable quick and easy identification each device is assigned a single reference letter: Each of these tools can use and access the instructions and devices listed in this manual for the identified PLC. A programmable controller will continually ‘loop’ through its internal ‘user defined’ program waiting for inputs and giving outputs at the programmed specific times.Ī variety of tools are available to program the Mitsubishi FX family of PLCs. Once an event triggers, it actuates in the outside world by switching ON or OFF electronic control gear or the physical actuation of devices. These events are triggered by stimuli (usually called inputs) received at the PLC or through delayed actions such as time delays or counted occur-rences. This is a generic term which is often used to describe all Programmable Controllers without identifying individual types of model names.Ī Programmable Logic Controller (PLC or programmable controller) is a device that a user can program to perform a series or sequence of events. This manual covers all the functions of the highest specification Programmable (Logic) Controller (PLC). For all information relating to the PLC hardware and installation, refer to the appropriate manual supplied with the unit. This manual gives details on all aspects of operation and programming for FX, FX2C, FX 0N, FX 0S, FX 0, FX 2N and FX 2NC programmable controllers (PLCs).
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