Hands-On Introduction to LabVIEW for Scientists and Engineers, p.651
As written in this chapter, Serial Poll is flawed in that, if the bit being monitored in the Status Byte Register is never set, this VI will loop endlessly.
この章で述べたように、Status Byte Registerの注目ビットがセットされない限りこのVIはいつまでもループし続けます。これがSerial Poll方式の缼点です。
