[?]: S7 300 Memory addressing

SIMATIC S7-200/300/400, Step7, PCS7, CFC, SFC, PDM, PLCSIM,
SCL, Graph, SPS-VISU S5/S7, IBHsoftec, LOGO ...
omar zedan
Posts: 244
Joined: Sat Oct 22, 2011 7:12 am

[?]: S7 300 Memory addressing

Post by omar zedan »

Dear All
I ask about the limitation of addressing the memory variables.
For example I can use MW18 and MD200.
Thanks
DiVan
Site Admin
Posts: 127
Joined: Mon Aug 15, 2011 2:27 pm

Re: [?]: S7 300 Memory addressing

Post by DiVan »

http://support.automation.siemens.com/D ... _en-US.pdf
limitation - memory area size
Technical specifications
Bit memory
S7-312 (MB 0 to MB 255 /MW 0 to MW 254/ MD 0 to MD 252)
S7-317 (MB 0 to MB 4095)
omar zedan
Posts: 244
Joined: Sat Oct 22, 2011 7:12 am

Re: [?]: S7 300 Memory addressing

Post by omar zedan »

Thanks Divan