Siemens SIMATIC S7-1500 Manual page 38

Technical specifications
Article number
Number of asynchronous error OBs
•
Number of synchronous error OBs
•
Number of diagnostic alarm OBs
•
Nesting depth
per priority class
•
Counters, timers and their retentivity
S7 counter
Number
•
Retentivity
– adjustable
IEC counter
Number
•
Retentivity
– adjustable
S7 times
Number
•
Retentivity
– adjustable
IEC timer
Number
•
Retentivity
– adjustable
Data areas and their retentivity
Retentive data area (incl. timers, counters,
flags), max.
Extended retentive data area (incl. timers,
counters, flags), max.
Flag
Number, max.
•
Number of clock memories
•
Data blocks
Retentivity adjustable
•
Retentivity preset
•
Local data
per priority class, max.
•
38
6ES7511-1AK02-0AB0
4
2
1
24
2 048
Yes
Any (only limited by the main memory)
Yes
2 048
Yes
Any (only limited by the main memory)
Yes
128 kbyte; In total; available retentive memory for
bit memories, timers, counters, DBs, and tech-
nology data (axes): 88 KB
1 Mbyte; When using PS 60W 24/48/60V DC HF
16 kbyte
8; 8 clock memory bits, grouped into one clock
memory byte
Yes
No
64 kbyte; max. 16 KB per block
CPU 1511-1 PN (6ES7511-1AK02-0AB0)
Manual, 12/2017, A5E40869673-AA