| 摘要 |
PURPOSE: A base of a PLC system is provided to allow a user to record and change of the executive program of a PLC system without connecting a computer by using a general memory card. CONSTITUTION: A PLC system comprises a base(20), a CPU module(22), and a memory reader module(27). The CPU module is connected to the base. The memory reader module transmits the data of the memory card to the CPU module. A power module is connected to the base.
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