Product information for 12.2004 Manual Basic Module BM 147 CPU, Version 05/2003 Manual Interface Module IM 151-7 CPU, Version 11/2003 This product information contains important information about the documentation mentioned above. It is to be regarded as a separate component. Its specifications and information have a higher binding nature than those of other manuals and catalogs in case of discrepancies. Larger working memory and extended number range for blocks The working memory has been extended for the Basic Module BM 147 CPU and the Interface Module IM 151-7 CPU. The CPUs can now execute larger user programs. You can now use the block numbers 0 to 2047 for FB and FC in the user programs. The total amount of blocks (FBs + FCs + DBs) remain unchanged with max. 1024. BM 147-1 BM 147-2 BM 147-2 IM 151-7 (6ES7 1471AA110XB0) (6ES7 1472AA010XB0) (6ES7 1472AB010XB0) (6ES7 1517AA110AB0) 64 KB 64 KB 128 KB 64 KB No No No No Max. 1024 Max. 1024 Max. 1024 Max. 1024 FB 0 to FB 2047 FB 0 to FB 2047 FB 0 to FB 2047 FB 0 to FB 2047 Max. 1024 Max. 1024 Max. 1024 Max. 1024 FC 0 to FC 2047 FC 0 to FC 2047 FC 0 to FC 2047 FC 0 to FC 2047 Working memory * Size * Expandable Blocks (FB, FC) FB * Quantity * Number range FC * Quantity * Number range Copyright 2004 by Siemens AG A5E00385826-01 2 Product information for A5E00385826-01