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。
FANUC A06B-6090-H234 Servo Amplifier A06B6090H234
NEW Allen Bradley 1791-IOBW /A 1791IOBW I/O Module
Allen Bradley Servo Control 1391-DES22-DI
Allen Bradley 1336E-CWF30-AA-EN-L9E VFD 1336ECWF30AAL9E
Emerson PCM-22 PCM22 Servo Drive Rotary Knife Control
Siemens Panel 6AV6 545-0AA15-2AX0 6AV65450AA152AX0
New In Box Mitsubishi Melsec FX2-80MS PLC FX280MS
Modicon PC-F984-685 PCF984685 Programmable Controller
NEW Allen Bradley 22B-B017N104 /A 22BB017N104 5 HP