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为满足各种自动化控制系统的要求,近年来不断开发出许多功能模块,如高速计数模块、温度控制模块、远程I/O模块、通信和人机接口模块等。这些带CPU和存储器的智能I/O模块,既扩展了PLC功能,又使用灵活方便,扩大了PLC应用范围。
加强PLC联网通信的能力,是PLC技术进步的潮流。PLC的联网通信有两类:一类是PLC之间联网通信,各PLC生产厂家都有自己的专有联网手段;另一类是PLC与计算机之间的联网通信,一般PLC都有专用通信模块与计算机通信。为了加强联网通信能力,PLC生产厂家之间也在协商制订通用的通信标准,以构成更大的网络系统,PLC已成为集散控制系统(DCS)不可缺少的重要组成部分。 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_488282346/ 手机版网址:http://m.vooec.com/trade_488282346.html 产品名称:ABPLC/1747-PTA1E |
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