GE CCM Protocol TOP Server (OPC, FastDDE,SuiteLink,AdvanceDDE) This item is no longer available for online ordering. See below for details on alternate products or products that may have superceded this item. Product Summary This FastDDE/DDE server is used to connect to GE Fanuc Series One, 5, and 6 PLCs using the legacy CCM protocol. If you have newer Series 90 PLCs you should use SNP, SNP-X, or Ethernet Protocol - click "related items" for more information on those drivers. This driver is now part of the GE Fanuc Suite TOP Server and is no longer available for separate purchase. Please visit the GE Fanuc Suite TOP Server for more details. GE CCM Protocol TOP Server (OPC, FastDDE,SuiteLink,AdvanceDDE) This item is no longer available for online ordering. See above for details on alternate products or products that may have superceded this item.