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高可靠性是电气控制设备的关键性能。PLC由于采用现代大规模集成电路技术,采用严格的生产工艺制造,内部电路采取了先进的抗干扰技术,具有很高的可靠性。使用PLC构成控制系统,和同等规模的继电接触器系统相比,电气接线及开关接点已减少到数百甚至数千分之一,故障也就大大降低。此外,PLC带有硬件故障自我检测功能,出现故障时可及时发出警报信息。在应用软件中,应用者还可以编入外围器件的故障自诊断程序,使系统中除PLC以外的电路及设备也获得故障自诊断保护。这样,整个系统将极高的可靠性。 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_488282049/ 手机版网址:http://m.vooec.com/trade_488282049.html 产品名称:ABPLC/1747-PCINT |
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