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。
STI MICROSAFE MC42D-1-AC CONTROLLER
53 GRINNELL FIG 772 Rigid Coupling 1.5”
10 CENTRAL GRINNELL FIG 730 MECHANICAL TEE 2.5”
10 GRINNELL FIG 730 MECHANICAL TEE 3”/88.9MM
NIKON 1:1.8D AF NIKKOR 85MM
DALSA CL-E2-2048A-STDM Industrial Camera Advisor
1190 Ademco PRO Pro45TWH
AB SLC150 1745-LP151 Ser C FRN6 Allen Bradley Prog. Co