SGDA-01BP,SGDA-01BP,SGDA-01BP
PLC電源的類型介紹
供我國使用的PLC的供電電源有兩種形式:交流220V 電源和直流供電電源(多為24V)。圖0提供的端子圖為交流供電,如圖1所示。圖中L表示火線、N表示零線, 表示接地。交流供電的PLC提供輔助直流電源,供輸入設備和部分擴展單元用。FX2N系列PLC的輔助電源容量為250~460mA。在容量不夠的情況下,需要單獨提供直流電源。
采用直流電源供電如圖2所示,這類PLC的端子上不再提供輔助電源。
ALLEN BRADLEY FUNCTION RELAY BOARD #102879
ALLEN BRADLEY FLOAT SWITCH 840-A42
Allen Bradley DS3200-357A 8200 Monitor Mono Chrome 8000-VFAZ
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Allen Bradley 1785-L60B/E Processor
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Allen Bradley 1756-OF6CI/A Rev L02 F/W Rev 1.9 Analog Isolated Output 96186679
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ALLEN BRADLEY 1746-A7 SERIES B CHASSIS DATE CODE 10/28/08 *SEALED*
ALLEN BRADLEY 1746-A7 SER. B CHASSIS DATE: 12/20/05 *FACTORY SEALED*
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AB Allen Bradley SLC 150 Processor Unit & Expansion Unit 1745-LP151 1745-E151
AB Allen Bradley 1336S-MCB-SP1 Main Control PCB 1336SMCBSP1 Rev H
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1336-B005-EAD-FA2 series A
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