描述
S7-200PLC有64个字节的局部存储器，其中60个可以用作暂时存储器或者给子程序传递参数。局部存储器和变量存储器很相似，主要区别是变量存储器是全局有效的，而局部存储器是局部有效的。全局是指同一个存储器可以被任何程序存取（例如，主程序、子程序或中断程序）。局部是指导存储器区和特定的程序相关联。
Free Shipping on ALL! music123 Orders!
New TASCAM CD-X1700 Professional DJ Dual CD/MP3 Player
One-day shipping available
Tascam CD-01U PRO One Space Rackmount CD Player CD01U
Same Day Free Shipping! Trusted Seller w/ 100% Feedback
Enlarge
TASCAM CD-200iB Rack-mount cd/player w/iPod dock NEW!
TASCAM TA-1VP Vocal Processor with Auto-tune BRAND NEW
New CAD Trion 8000 Condenser Mic + Tascam US-1800 16-4
NEW Rode NT2-A NT2A Condenser Mic + Tascam US-200 USB
Tascam CD-A550 CD Player/ Reverse Cassette Deck
TASCAM US-2000 16×4 USB MAC PC Audio Interface
TASCAM BB-1000CD BB1000CD BB-1000-CD OPEN BOX WARRANTY
AUTHORIZED DEALER! FULL WARRANTY! FREE SHIPPING!
Expedited shipping available
