三菱FX2N PLC主要有以下應(yīng)用指令:程序流程應(yīng)用指令(1)FNC(CJ) 跳轉(zhuǎn)指令(2)FNC01 FNC02 FNC06(CALL SRET FEND) 調(diào)用子程序(3)FNC03 FNC04 FNC05(IRET EI DI)中斷處理(4)FNC07(WDT)看門(mén)狗定時(shí)器(5)NC08 FNC09(FOR NEXT)程序循環(huán)。數(shù)據(jù)傳送、區(qū)域比較應(yīng)用指令(1)FNC10(CMP) 比較(2)FNC11(ZCP)區(qū)域比較(3)FNC12(MOV) 傳送應(yīng)用指令(4)FNC13 (SMOV)數(shù)據(jù)移位應(yīng)用指令(5)FNC14(CML)數(shù)據(jù)反相傳送應(yīng)用指令(6)FNC15 (BMOV)成批傳送(7)FNC16(FMOV)多點(diǎn)傳送應(yīng)用指令(8)FNC17 (XCHP) 數(shù)據(jù)交換(9)FNC18(BCD) 將BIN轉(zhuǎn)換為BCD10、FNC19(BIN) 將BCK轉(zhuǎn)換為BIN。四則運(yùn)算邏輯應(yīng)用指令(1)FNC20(ADD) 加法應(yīng)用指令(2)FNC21(SUB) 減法(3)FNC22(MUL) 二進(jìn)制乘法(4)FNC23(DIV) 二進(jìn)制除法(5)FNC24(INC) 增加(6)FNC25(DEC) 減少(7)FNC26(WAND) 邏輯與(8)FNC27(WOR) 邏輯或(9)FNC28(WXOR) 二進(jìn)制互斥邏輯異或(10)FNC29(NEG)求補(bǔ)碼。旋轉(zhuǎn)、位移應(yīng)用指令(1)FNC30、FNC31(RORP、ROLP)左、右旋轉(zhuǎn)(2)FNC32 FNC33(RCRP、RCLP)包含進(jìn)位標(biāo)識(shí)的左、右旋轉(zhuǎn)(3)FNC34、FNC35(SFTRP、SFTLP)位數(shù)據(jù)左、右移(4)FNC36、FNC37(WSFRP、WSFLP)字符數(shù)據(jù)左、右移(5)FNC38、FNC39(SFWRP、WFRDP)字符數(shù)據(jù)位移寫(xiě)入與讀出。數(shù)據(jù)處理應(yīng)用指令(1)FNC40(ZRST)區(qū)域數(shù)據(jù)復(fù)位(2)FNC41(DECO)譯碼(3)FNC42(ENCO)編碼(4)FNC43(SUM)ON位總數(shù)計(jì)算(5)FNC44(BON)ON位判斷(6)FNC45(MEAN)平均值(7)FNC46、FNC47(ANS、ANR)警報(bào)線圈的輸出與復(fù)位(8)FNC48(SQR)開(kāi)平方。高速處理應(yīng)用指令(1)FNC50(RER)輸入/輸出信號(hào)立即處理(2)FNC51(REFF)改變輸入端響應(yīng)時(shí)間(3)FNC52(MTP)矩陣輸入(4)FNC53(DHSCS)高速計(jì)數(shù)器比較設(shè)置(5)FNC54(DHSCR)高速計(jì)數(shù)器比較復(fù)位(6)FNC55(DHSZ)高速計(jì)數(shù)器區(qū)域比較(7)FNC56(SPD)脈沖密度(8)FNC57(PLSY)脈沖輸出(9)FNC58(PWM)脈沖寬度調(diào)制(10)FNC59(PLSR)加減速脈沖輸出。宏應(yīng)用指令(1)FNC60(IST)步進(jìn)運(yùn)轉(zhuǎn)狀態(tài)設(shè)定(2)FNC61(SER)多筆數(shù)據(jù)比較(3)FNC62(ABSD)絕對(duì)式控制(4)FNC63(INCD)相對(duì)式控制(5)FNC64(TIMR)調(diào)整式定時(shí)器(6)FNC65(STMR) 特殊定時(shí)器(7)FNC66(ALTP)交替信號(hào)(8)FNC67(RAMP)求斜率(9)FNC69(SORT)數(shù)據(jù)排序。外部設(shè)定顯示應(yīng)用指令(1)FNC70(TKY)10個(gè)按鈕輸入(2)FNC71(HKY)16個(gè)按鈕鍵輸入(3)FNC72(DSW)指撥開(kāi)關(guān)(4)FNC73(SEGD)。 文章鏈接:工控網(wǎng)(百站) http://www.gkzhan.com/Tech_news/Detail/58669.html
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