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Advanced Function <strong>Instruction</strong>FUN 212 PFNEGCHANGE SIGN OF THE FLOATING POINT NUMBERFUN 212 PFNEGD : Register to be changed signD may combine with V, Z, P0~P9 to serve indirectaddress applicationRange HR ROR DR K XROperandR0∣R3839R5000∣R8071D0∣D4095Integer16 BitnumberV、ZP0~P9D ○ ○* ○ ○Description• The format of floating point number of Fatek-PLC follows the IEEE-754 standard. For detail explanation of theformat please refer to 5.3 (Numbering System) page 5-9.• When operation control "EN" = 1 or "EN↑" ( P instruction) from 0 to 1, the sign of the floating point numberregister specified by D will be toogled.X0 212P.EN FNEGR0• The instruction at left negates the value of theDR0 register, and stores it back to DR0.7-139

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