松下plc通信協(xié)議-預(yù)覽頁(yè)
【正文】 Y, R, L 應(yīng)答讀取正常%$WCBCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)讀取錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)(L)源站號(hào)(H)說(shuō)明: 字符$表示正常的應(yīng)答. 觸點(diǎn)數(shù)據(jù)觸點(diǎn)狀態(tài)數(shù)據(jù)OFF0ON1 3. 讀/寫觸點(diǎn)狀態(tài)的輔助說(shuō)明 (單觸點(diǎn)) [ 定時(shí)器(T), 計(jì)數(shù)器(C), 觸點(diǎn)代碼 ]觸點(diǎn)編號(hào) (4 位)觸點(diǎn)編號(hào)(4 字節(jié))T, CX,Y,R,L BCD 0 (占3位) BCD HEX(占3位) (占1位) 即使將內(nèi)部T(C) 的編號(hào)作為C(T)編號(hào)讀取， 也不會(huì)產(chǎn)生錯(cuò)誤，而返回觸點(diǎn)信息. (字單位塊) RCC, WCC 定時(shí)器和計(jì)數(shù)器觸點(diǎn)無(wú)法在字單位塊內(nèi)操作。 對(duì)于索引寄存器 指令%RD數(shù)據(jù)代碼(1 字符)0 (9 字符)BCC(H)BCC(L)CR 參閱說(shuō)明BCD 目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H)應(yīng)答讀取正常 (對(duì)于IX, IY) HEX %$RD數(shù)據(jù) 1(4 字符)BCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)讀取正常(對(duì)于ID) HEX (高位) HEX (低位)%$RD數(shù)據(jù) (IX)(4 字符)數(shù)據(jù) (IY)(4 字符)BCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)讀取錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)(L)源站號(hào)(H)說(shuō)明： 數(shù)據(jù)代碼數(shù)據(jù)代碼IXI XIYI YIX, IYI D 10. 寫入數(shù)據(jù)寄存器值（指令代碼：WD）代碼 HEX BCD %WD數(shù)據(jù)代碼(1 字符)起始數(shù)據(jù)編碼 (5字符)結(jié)束數(shù)據(jù)編碼 (5字符) D, L, F BCD 目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H) HEX 寫入數(shù)據(jù) (4 字符)寫入數(shù)據(jù)(4 字符)BCC(H)BCC(L)CR應(yīng)答寫入正常%$WDBCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)寫入錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)(L)源站號(hào)(H)寫到 IX, IY （WD和BCC之間) HEX 數(shù)據(jù)代碼(2 字符)0 ( 9 字符)寫入數(shù)據(jù)(4 字符)批處理 ( 寫入 IX, IY 32bit ) (WD和BCC之間)數(shù)據(jù)代碼(2 字符)0 ( 9 字符)寫入數(shù)據(jù)(4 字符)寫入數(shù)據(jù)(4字符) IY(高位) IX(低位)DI I I 舉例說(shuō)明具體指令及其應(yīng)答寫入數(shù)據(jù) (WD 指令)通過(guò)主機(jī)把數(shù)值寫入PLC程序示例：寫入字?jǐn)?shù)值到PLC的 DT1到DT3 。 12. 讀取定時(shí)器/計(jì)數(shù)器目標(biāo)值（指令代碼：RS）指令 BCD BCD %RS起始模塊編碼(4 字符)結(jié)束模塊編碼(4 字符)BCC(H)BCC(L)CR 目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H)應(yīng)答讀取正常 HEX HEX %$RS數(shù)據(jù) 1(4 字符)數(shù)據(jù) n(4 字符)BCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)讀取錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)(L)源站號(hào)(H)說(shuō)明： 數(shù)據(jù)為16位數(shù)據(jù)。 15. 寫入定時(shí)器/計(jì)數(shù)器經(jīng)過(guò)值（指令代碼：WK）指令 BCD BCD %WK起始模塊編碼(4 字符)結(jié)束模塊編碼(4 字符) 目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H) HEX HEX 數(shù)據(jù) 1(4 字符)數(shù)據(jù) n(4 字符)BCC(H)BCC(L)CR應(yīng)答寫入正常%$WKBCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)寫入錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)(L)源站號(hào)(H) 16. 登錄及復(fù)位監(jiān)控觸點(diǎn)（指令代碼：MC）指令（登錄）%MC觸點(diǎn)代碼(1 字符)觸點(diǎn)編碼(4 字符) BCD HEX(占3位) (占1位)X,Y,R,T,C,L 目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H)觸點(diǎn)代碼(1 字符)觸點(diǎn)編碼(4 字符)BCC(H)BCC(L)CR最多20點(diǎn) (登錄復(fù)位)%MCFFFFFBCC(H)BCC(L)CR目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H)應(yīng)答登錄正常%$MCBCC(H)BCC(L)CR源站號(hào)(L)源站號(hào)(H)登錄錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)(L)源站號(hào)(H)說(shuō)明： 如果觸點(diǎn)代碼為*，則為虛設(shè)登錄。說(shuō)明：l 數(shù)據(jù)代碼IX和IY的第一位字符是I，而數(shù)據(jù)編碼的第一位字符分別為X和Y。 18. 運(yùn)行監(jiān)控（指令代碼：MG）指令%MGBCC(H)BCC(L)CR目標(biāo)站號(hào)(L)目標(biāo)站號(hào)(H) 應(yīng)答監(jiān)控正常(H) (L)HEX %$MG基本計(jì)數(shù)器(1 字符)觸點(diǎn)編號(hào)(2 字符)觸點(diǎn)數(shù)據(jù)1(2 字符)觸點(diǎn)數(shù)據(jù)n(2 字符)(H) (L)HEX (H) (L)HEX (even)源站號(hào)(L)源站號(hào)(H)(H) (L)(I)數(shù)據(jù)的字符數(shù)(2 字符)數(shù)據(jù) 1(4 字符)數(shù)據(jù) n(4 字符)BCC(H)BCC(L)CR低位 高位(J)低位 高位(K)(H) (L) (H) (L)(L)(H) (L) (H) (L)(M)HEX(4的倍數(shù))HEXHEX監(jiān)控錯(cuò)誤%!BCC(H)BCC(L)CR錯(cuò)誤代碼源站號(hào)源站號(hào)(L)Source(H)注意： 在觸點(diǎn)數(shù)據(jù)中，返回2個(gè)字符表示8個(gè)觸點(diǎn)數(shù)據(jù)。34
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