Siemens SIMATIC S7-1500 Manual page 38

Technical specifications
Article number
Nesting depth
S7 counter
Retentivity
IEC counter
Retentivity
S7 times
Retentivity
IEC timer
Retentivity
Flag
Data blocks
Local data
38
• Number of DPV1 alarm OBs
• Number of isochronous mode OBs
• Number of technology synchronous alarm
OBs
• Number of startup OBs
Number of asynchronous error OBs
•
• Number of synchronous error OBs
Number of diagnostic alarm OBs
•
• per priority class
Counters, timers and their retentivity
Number
•
– adjustable
Number
•
– adjustable
Number
•
– adjustable
Number
•
– adjustable
Data areas and their retentivity
Retentive data area (incl. timers, counters,
flags), max.
Extended retentive data area (incl. timers,
counters, flags), max.
• Size, max.
Number of clock memories
•
Retentivity adjustable
•
• Retentivity preset
6ES7518-4AP00-0AB0
3
3
2
100
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
768 kbyte; In total; available retentive memory
for bit memories, timers, counters, DBs, and tech­
nology data (axes): 700 KB
20 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
CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0)
Equipment Manual, 11/2022, A5E32334527-AE