3A99132G02 WESTINGHOUSE 扫描周期

WESTINGHOUSE 3A99158G01
WESTINGHOUSE 3A99200G01
WESTINGHOUSE 4D33942G01
WESTINGHOUSE 5A26391H24
WESTINGHOUSE 5X00058G01
WESTINGHOUSE 5X00058G01
WESTINGHOUSE 5X00058G01
WESTINGHOUSE 5X00059G01
WESTINGHOUSE 5X00059G01
WESTINGHOUSE 5X00105G01
WESTINGHOUSE 5X00105G14
WESTINGHOUSE 5X00119G01
WESTINGHOUSE 5X00119G01

分类: 标签:

Description

PLC在输入采样阶段,首先扫描所有输入端子,并将各输入存入内存中各对应的输入映象寄存器。此时,输入映象寄存器被刷新。接着进入程序执阶段,在程序执行阶段或输出阶段,输入映象寄存器与外界隔离,无论信号如何变化,其内容保持不变直到下一个扫描周期的输入采样阶段,才重新写入输入端的新内容。

JANCD-SP20C 02 Yaskawa PCB BOARD

Yaskawa Varispeeed 616G5 CIMR-G5A23P7

3 PH CNC POWER TRANSFORMER HEVI-DUTY 30KVA T2H30S

ABB DSQC-236G AXIS CONTROLLER BOARD, tested, warranty

ABB DSQC-236G AXIS CONTROLLER BOARD, tested, warranty