Siemens SIMATIC C7-613, Manual

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A-6
C7-613 Control System
A5E00138934-03
Data areas and their retentivity
Total retentive data area
(including memory bits; timers;
counters)
All
Bit memory 256 bytes
•
Retentivity Adjustable
•
Default retentivity MB 0 to MB 15
Clock memory 8 (1 memory byte)
Data blocks Max. 511 (from DB 1 to DB 511)
•
Size Max. 16 KB
Local data per priority class Max. 510 bytes
Blocks
Total 1024 (DBs, FCs, FBs)
The maximum number of loadable blocks can be reduced by the
MMC used by you.
OBs See instruction list
•
Size Max. 16 KB
Nesting depth
•
Per priority class 8
•
Additional nesting depth
within one error OB
4
FBs Max. 512 (from FB 0 to FB 511)
•
Size Max. 16 KB
FCs Max. 512 (from FC 0 to FC 511)
•
Size Max. 16 KB
Address Areas (I/O)
I/O address area overall Max. 1024 bytes/1024 bytes (can be freely addressed)
I/O process image 128 bytes/128 bytes
Digital channels Max. 1,016
•
Of total, number of local
channels
Max. 992
•
Integrated channels 24 DI / 16 DO
Analog channels Max. 253
•
Of total, number of local
channels
Maximum 248
•
Integrated channels 4 + 1 AI/2 AO