(9) Serial Communication Program Finish & FB200AS Power-Supply OFF
• FB200AS uses virtual serial port.
• Therefore, it should be under virtual serial unused-condition ,which a serial
communication program is finished before OFF of FB200AS power-supply.
• It may occur critical situation if the power-supply of FB200AS become OFF
under the condition, which a serial communication program is not finished.
• Therefore, certainly, the power-supply of FB200AS should become OFF under
virtual port unused-condition ,which a serial communication program is
finished before OFF of FB200AS power-supply.
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