Siemens SIMATIC S7-1500 Manual page 41

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
• Size, max.
• Number of clock memories
Data blocks
• Retentivity adjustable
• Retentivity preset
Local data
• per priority class, max.
Address area
Number of IO modules
40
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 technol-
ogy data (axes): 88 KB
1 Mbyte; When using PS 6 0W 24/48/60 V DC HF
16 kbyte
8; 8 clock memory bit, grouped into one clock
memory byte
Yes
No
64 kbyte; max. 16 KB per block
1 024; max. number of modules / submodules
CPU 1511-1 PN (6ES7511-1AK02-0AB0)
Equipment Manual, 05/2021, A5E40869673-AB