据说西门子下个月推出V5.5，全面支持Win7，不知道是不是真的！以下内容为网站摘录：STEP 7 V5.5
支持 XP Professional、 Windows Vista、 Windows 7 32-bit
Support new Hardware
„ Support PROFINET V2.2
„ Shared device
„ iDevice
„ Media redundancy MRP
„ Block Privacy

Profinet 2.2

ƒ PN-Controller
ƒ ET200 PN

Feature
ƒ Isochronous mode
ƒ Cl-Cl-reaction-time ca. 750µs
ƒ Shared Device
ƒ iDevice
ƒ Media redundancy (not bumpless)
ƒ Mini IP-Config (only IO-Ctrl)
ƒ PROFIenergy