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
产品名称：ABPLC/1747-PTA1E
产品手机链接：http://m.vooec.com/trade_488282346.html
产品网站链接：http://www.vooec.com/sjshow_488282346/