CONTROL DEVICE AND COMMUNICATION CONTROL METHOD
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United States of America Patent
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Issued Date -
Aug 13, 2015
app pub date -
Dec 5, 2014
filing date -
Dec 26, 2013
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status (Latency Note)
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Abstract
Provided is a PLC capable of changing a value of set information to be used in utilization of a communication protocol such as an FTP also during execution of a control program. A PLC includes a control program executing part configured to execute a control program, an acquiring part configured to acquire data from a field apparatus, a communicating part configured to make a communication with a server device by using the FTP, and a variable memory configured to store a variable to be used in utilization of the FTP and a value of the variable correspondingly to each other. The control program includes an instruction for transmitting data to the server device with the variable as an input variable. The PLC transmits the data to the server device based on the value of the variable when the instruction is started in order to execute the control program.
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