852A004-1 ABB

ABB ACS510-01-180A-4
ABB FS450R17KE3/AGDR-81C
ABB PFEA 112 IP20 Art-Nr:3BSE050091R20
abb PFEA111-20 24DC 500MA
abb ABB PFTL101A 2KN with 2 15m cable
ABB HIEE205012R0001
ABB HIEE200130R0002

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Description

PLC上DC24V电源的使用,各公司PLC产品上一般都有DC24V电源,但该电源容量小,为几十毫安至几百毫安,用其带负载时要注意容量,同时作好防短路措施(因为该电源的过载或短路都将影响PLC的运行)。外部DC24V电源若输入回路有DC24V供电的接近开关、光电开关等,而PLC上DC24V电源容量不够时,要从外部提供DC24V电源;但该电源的“—”端不要与PLC的DC24V的“—”端以及“COM”端相连,否则会影响PLC的运行。

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