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。
NORTHAM NACHI HYDRAULIC POWER UNIT
FANUC MODULE A20B-2902-0371 , tested, warranty
ABB ASEA BROWN BOVERI DSQC-258, tested warranty
ABB ASEA BROWN BOVERI DSQC-258, tested warranty
FANUC A16B-1211-0850 POWER UNIT
Mitsubishi / Mazak board FX 53A, FX53A
Mitsubishi / Mazak board FX 730A, FX730A
Hitachi Seiki 10-56-00-00 6N50-6G-2 0023 tested
Hitachi Seiki HG.SSR 14-06-00-00 tested