Description
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。
ALLEN BRADLEY 2711-T10C15X SER B REV E PANELVIEW 1000 *
FANUC A05B-2301-C303 TEACH PENDANT
FANUC A05B-2301-C360 RJ SERIES TEACH PENDANT *
BOSCH DM 30K 1101-D DIGITAL DRIVE CONTROLLER
BASF NYLOPRING CW 50 X 70 PRINTER
ALLEN BRADLEY 1756-A17 RACK W/ 1756-PA72 POWER SUPPLY *
GRACO 206-798 MONARCH AIR POWERED PUMP