1785-LT A-B 光耦合器隔离

A-B 1785-TR10BT
A-B 1785-V40L
A-B 1785-V40L
A-B 1785-V80B
A-B 1786-TPYR
A-B 1788-DNBO
A-B 1794-ACNR15
A-B 1794-IF4I
A-B 1794-OE4
A-B 1794-TB3
A-B 1794-TB3
A-B 1794-TB3
A-B 2094-BC07-M05-S
A-B 20-VB00601
A-B 21.5*17*5

Description

PLC输入接口连接为了防止输入接口外部的振动噪音和输入线噪声进入PLC内部输入电路,PLC内部的1次和2次输入电路间用光耦合器隔离,2次电路中设有C-R滤波器,因此输入信号从ON?OFF或OFF?ON变化过程会在PLC内形成10ms的应答滞后。

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