Siemens SIMATIC S7-1500 Manual page 48

Technical specifications
Article number
Nesting depth
S7 counter
Retentivity
IEC counter
Retentivity
S7 times
Retentivity
IEC timer
Retentivity
Flag
48
• Size, max.
• Number of free cycle OBs
• Number of time alarm OBs
• Number of delay alarm OBs
Number of cyclic interrupt OBs
•
• Number of process alarm OBs
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.
6ES7518-4AX00-1AB0
1 Mbyte
100
20
20
20; with minimum OB 3x cycle of 100 µs
50
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
CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Equipment Manual, 11/2022, A5E40882737-AC