Siemens Simatic S7-1500 Manual page 130

Technical specifications
Number of hardware interrupt OBs
Number of DPV1 interrupt OBs
Number of isochronous mode OBs
Number of technology synchronization interrupt
OBs
Number of startup OBs
Number of asynchronous error OBs
Number of synchronous error OBs
Number of diagnostics interrupt OBs
Nesting depth
per priority class
Counters, timers and their retentivity
S7 counters
Number
Retentivity
•
IEC counters
Number
Retentivity
•
S7 timers
Number
Retentivity
•
IEC timers
Number
Retentivity
•
Data areas and their retentivity
Retentive data area in total (incl. timers, counters,
bit memory), max.
Bit memory
Number, max.
Number of clock memory bits
Data blocks
Retentivity can be set
Retentivity preset
Local data
per priority class, max.
Address area
Number of IO modules
130
can be set
can be set
can be set
can be set
6ES7512-1CK00-0AB0
50
3
1
2
100
4
2
1
24
2048
Yes
Any (only limited by the work memory)
Yes
2048
Yes
Any (only limited by the work memory)
Yes
128 KB; in total; for bit memory, timers, counters,
DBs and technological data (axes), usable reten-
tive memory: 88 KB
16 KB
8; there are 8 clock memory bits, grouped in one
clock memory byte
Yes
No
64 KB; max. 16 KB per block
2048; max. number of modules/submodules
CPU 1512C-1 PN (6ES7512-1CK00-0AB0)
Manual, 09/2016, A5E35306440-AB