本公司供應(yīng)全新羅克韋爾1398-DDM-150伺服驅(qū)動器ALLEN BRADLEY,價格優(yōu)惠,快速交貨,
型號
:蕪湖2098-DSD-075X羅克韋爾伺服驅(qū)動器哪里好
Allen Bradley 1398-DDM-009-DN
Allen Bradley 1398-DDM-005X-NV
Allen Bradley 1398-DDM-005X-DN
Allen Bradley 1398-DDM-009X
Allen Bradley 1398-DDM-019-DN
Allen Bradley 1398-DDM-009X-DN
Allen Bradley 1398-DDM-005X
Allen Bradley 1398-DDM-005-DN
Allen Bradley 1398-DDM-005
Allen Bradley 1398-DDM-075X
Allen Bradley 1398-DDM-075
Allen Bradley 1398-DDM-010X
Allen Bradley 1398-DDM-010
Allen Bradley 1398-DDM-150
Allen Bradley 1398-DDM-020X
Allen Bradley 1398-DDM-020
Allen Bradley 1398-DDM-030X
Allen Bradley 1398-DDM-030
Allen Bradley 1398-DDM-019X-DN
Allen Bradley 1398-DDM-019X
Allen Bradley 1398-DDM-150X
Allen Bradley 1398-DDM-019
Allen Bradley 1398-DDM-009
:蕪湖2098-DSD-075X羅克韋爾伺服驅(qū)動器哪里好一幀為10位,1位起始位、8位數(shù)據(jù)位(先低后高)、1位停止位。波特率由T1或T2的溢出率確定。在發(fā)送或接收到一幀數(shù)據(jù)后,硬件置TI=1或RI=1,向CPU中斷;但必須用軟件清除中斷標志,否則,下一幀數(shù)據(jù)無法發(fā)送或接收。發(fā)送:CPU執(zhí)行一條寫SBUF指令,啟動了串行口發(fā)送,同時將1寫入輸出移位寄存器的第9位。發(fā)送起始位后,在每個移位脈沖的作用下,輸出移位寄存器右移一位,左邊移入0,在數(shù)據(jù)位移到輸出位時,原寫入的第9位1的左邊全是0,檢測電路檢測到這一條件后,使控制電路作后一次移位,/SEND和DATA無效,發(fā)送停止位,一幀結(jié)束,置TI=1。