V810T FUJI 器件

A-B 1747-L552
A-B 2711P-T10C4A8
GE IC695CPE310
A-B 1747-L552
Sorensen DCS20-50EM9C
A-B 1756-RM
A-B 1756-RM
ProSoft MVI56-PDPMV1
YOKOGAWA CP451-10
A-B 1756-RM2/A
ABB UAC389AE02/HIEE300888R0002
MITSUBISHI GT1695M-XTBD
ABB UNITROL 1010
FOXBORO FCP270
SCHNEIDER ATS48C41Q
A-B 1756-L62
GE SR469-P5-HI-A20

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Description

PLC中使用的”继电器”并非实体继电器,而是”软继电器”,可提供无数个常开、常闭触点用于编程。每个”软继电器”仅对应PLC存储单元中的一位(bit),该位状态为”1″,表示该”软继电器线圈”通电,则程序中所有该继电器的触点都动作。输入继电器作为PLC接收外部主令信号的器件

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