本公司供應(yīng)全新羅克韋爾1398-DDM-150伺服驅(qū)動(dòng)器ALLEN BRADLEY，價(jià)格優(yōu)惠，快速交貨，
型號(hào)
:?？?098-DSD-HV050X羅克韋爾伺服驅(qū)動(dòng)器價(jià)格
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
:?？?098-DSD-HV050X羅克韋爾伺服驅(qū)動(dòng)器價(jià)格三線制變送器如圖三所示，所謂三線制即是電源正端用一根線，信號(hào)輸出正端用一根線，電源負(fù)端和信號(hào)負(fù)端共用一根線。其供電大多為24V.DC，輸出信號(hào)有4-20mA.DC，負(fù)載電阻為250Ω或許0-10mA.DC，負(fù)載電阻為0-1.5KΩ；有的還有mA和mV信號(hào)，但負(fù)載電阻或輸入電阻，因輸出電路方式不一樣而數(shù)值有所不一樣。以上三個(gè)圖中，輸入接納外表的是電流信號(hào)，如將電阻RL并聯(lián)接入時(shí)，則接納的即是電壓信號(hào)了。
