描述
信号在长线中传输会遇到三个问题:一是高速变化的信号在长线中传输时出现的波反射现象,二是具有信号延时,三是长线传输会遇到外界干扰。
9486 XYCOM MONITOR LCD TOUCH SCREEN **1YR. WRTY
A06B-6088-H222#H500 FANUC SPINDLE AMPLIFIER
A06B-0148-B175#7075 FANUC
8520-OPC ALLEN BRADLEY 9 SERIES OPERATOR PANEL
ATV66D16N4 TELEMECANIQUE
5CD174UA011A815 ALLEN BRADLEY
1326AB-C3E-11-A7 ALLEN BRADLEY
AS-516P-007 MODICON
LS-5501 KEYENCE MONITOR