PLC (CPU Units) - PLC for machinery & electrical control | MISUMI South East Asia
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PLC CPU units are control devices. "PLC" is an abbreviation of "programmable logic controller". A CPU unit is a central unit of a PLC and was developed as an alternative to the relay circuit. PLCs with CPU units are used in various equipment that perform sequential control, as well as replacements for sequential relay controls. CPU units are used for control applications in automated factory machinery, etc., elevators, automatic doors, boilers and other machinery. They are mainly configured of user program memory, I/O memory, PLC system settings, serial communication port, etc., and expanding the input/output capacity and data processing capacity of these components enables faster communication speeds and larger program capacity.