TU842 3BSE020850R1 ABB 继电器驱动

336A5199AMP1
339A6094P001F120-7BS
339A6094P001F120-7BS
339A6345P001
342A2581P002
342A3647P240W28
342A4922P28V500DH
3500/15
3500/25
3500/32
3500/40M

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描述

对于两个重要输出量,不仅在PLC内部互锁,建议在PLC外部也进行硬件上的互锁,以加强PLC系统运行的安全性、可靠性。

对于常见的AC220V交流开关类负载,例如交流接触器、电磁阀等,应该通过DC24V微小型中间继电器驱动,避免PLC的DO接点直接驱动,尽管PLC手册标称具有AC220V交流开关类负载驱动能力。

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