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输出端接线分为独立输出和公共输出。在不同组中,可采用不同类型和电压等级的输出电压。但在同一组中的输出只能用同一类型、同一电压等级的电源。
由于PLC的输出元件被封装在印制电路板上,并且连接至端子板,若将连接输出元件的负载短路,将烧毁印制电路板。
采用继电器输出时,所承受的电感性负载的大小,会影响到继电器的使用寿命,因此,使用电感性负载时应合理选择,或加隔离继电器。
PLC的输出负载可能产生干扰,因此要采取措施加以控制,如直流输出的续流管保护,交流输出的阻容吸收电路,晶体管及双向晶闸管输出的旁路电阻保护。 ALLEN BRADLEY 1747-OCUS OPEN CONTROLLER FAMILY UPDATE SERVICE ALLEN BRADLEY 1747-OCVGA1 VGA OPTION MODULE FOR 1747 OPEN CONTROLLER PCI BUS ALLEN BRADLEY 1747-OCVGAE COMBO OPTION MODULE ALLEN BRADLEY 1747-PCIAA 1747 PCI BUS INTERFACE KIT ALLEN BRADLEY 1747-PCIAB 1747 PCI BUS INTERFACE KIT ALLEN BRADLEY 1747-PCIBA 1747 PCI BUS INTERFACE KIT ALLEN BRADLEY 1747-PCIBB 1747 PCI BUS INTERFACE KIT ALLEN BRADLEY 1747-PCIC INTERCONNECT CABLE 9.84 FT ALLEN BRADLEY 1747-PCIC2 INTERCONNECT CABLE 32.81 FT ALLEN BRADLEY 1747-PCIL 1746 CHASSIS INTERFACE MODULE ALLEN BRADLEY 1747-PCINT API SOFTWARE FOR WINDOWS NT ALLEN BRADLEY 1747-PCIS PCI CARD WITH 256K STATIC RAM ALLEN BRADLEY 1747-PCIS2 PCI CARD WITH 1 MEG STATIC RAM ALLEN BRADLEY 1747-PIC CONVERTER RS 232/DH 485 ALLEN BRADLEY 1747-PLXCLNTCBS RENEWAL CONTRACT ALLEN BRADLEY 1747-PSD PROGRAM STORAGE DEVICE ALLEN BRADLEY 1747-PT1 HANDHELD TERMINAL, 6’ CABLE, NO BATTERY/MEM PAK ALLEN BRADLEY 1747-PT1CC HANDHELD TERMINAL CARRYING CASE ALLEN BRADLEY 1747-PTA1E MEMORY PAK-ENGLISH ALLEN BRADLEY 1747-PTA1F MEMORY PAK- FRENCH ALLEN BRADLEY 1747-PTA1G MEMORY PAK- GERMAN ALLEN BRADLEY 1747-PTA1I MEMORY PAK- ITALIAN ALLEN BRADLEY 1747-R21 ENGLISH MEMORY PAK ALLEN BRADLEY 1747-R21F FRENCH MEMORY PAK ALLEN BRADLEY 1747-R5 REPLACEMENT PARTS ALLEN BRADLEY 1747-R7 REPLACEMENT PARTS ALLEN BRADLEY 1747-RL302 UPGRADE KIT ALLEN BRADLEY 1747-RL401 UPGRADE KIT ALLEN BRADLEY 1747-SCNR CONTROLNET SCANNER FOR SLC PLATFORM ALLEN BRADLEY 1747-SDN DEVICENET SCANNER MODULE ALLEN BRADLEY 1747-SN REMOTE I/O SCANNER MODULE 本产品网址:http://www.vooec.com/sjshow_488282197/ 手机版网址:http://m.vooec.com/trade_488282197.html 产品名称:ABPLC/1747-PSD |
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