CONTROL DEVICE HDS03.2-W100N-HS12-01-FW R911278492 REXROTH

2711-B6C2
1747-AENTR
DBDP74AB363BEBA30
0010-76175
2711C-T6C
3500/05-02-04-00-00-01
3500/15-05-05-00
3500/22-01-01-00
3500/42-01-00
3500/32-01-00
3500/94-14-01-00
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描述

输入设备多功能化在传统的继电控制系统中,一个主令(按钮、开关等)只产生一种功能的信号。在PLC控制系统中,一个输入设备在不同的条件下可产生不同的信号,如一个按钮既可用来产生启动信号,又可用来产生停止信号。如图4所示,只用一个按钮通过X000去控制Y000的“通”与“断”。即第一次接通X000时Y000“通”再次接通X000时Y000“断”。

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