The invention discloses a
wireless communication method for a
volume correction instrument. A
wireless data transmission chip CC1100 produced by a ChipCon company is selected, and in a main body, matched capacitors are added to ports, such as DDVD, AVDD, DGUARD and the like, the piece distribution forms of elements, such as C30, C31, C32, C33, C34, LI, L2, L3, and L4 of Internet at the front end of CC1100 are changed, and an independent floor area is avoided in
layout of a
printed circuit board (PCB). The earth wire
equalization form is changed, a lead foot SCLK is
digital input, and SO(GDO1) and GDO2 are digital output, and are connected with TA2, TA1, and TA0 of MSP430; GDO0(ATEST) is
digital input / output (I / O) and is connected with TA2, TA1, and TA0 of MSP430; CSn is
digital input and is connected with SMCLK of MSP430; and SI is digital input and is connected with TAINCLK of MSP430. The
chip works in a frequency range of 433MHz, and a narrow-band working mode is set. The method solves the problem of unsafety of the conventional RS485 / 232 interface and an
infrared manual meter reading mode, improves convenience and safety of operating data reading of
a site instrument in the process of
natural gas metering, and has the advantages that
system cost is saved,
power consumption is reduced and the like.