| 摘要 |
PURPOSE: A PLC module formed into a functional block is provided to replace only a broken unit module by forming each functional block with one unit module. CONSTITUTION: An analog input part(311a) receives an analog signal. An amplifier(311b) amplifies the inputted analog signal. A converter(311c) converts the amplified analog signal into a digital signal. An insulation part(312) insulates an analog part and a digital part. A power supply supplies driving power to a first unit module(310). [Reference numerals] (311a) Analog input part; (311b) Amplifier; (311c,313a) Converter; (312) Insulation part; (313b) DC-DC converter
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