Siemens Simatic S7-1500 - Page 130

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