Siemens SIMATIC S7-1500 CPU 1511-1 PN

Article number 6ES7511-1AL03-0AB0
Power consumption from the backplane bus
(balanced)
5.5W
Power loss 
Power loss, typ. 7.5W
Memory 
Number of slots for SIMATIC memory card 1
SIMATIC memory card required Yes
Work memory 
•
integrated (for program) 300kbyte
•
integrated (for data) 1.5Mbyte
Load memory 
•
Plug-in (SIMATIC Memory Card), max. 32Gbyte
Backup 
•
maintenance-free Yes
CPU processing times 
for bit operations, typ. 25ns
for word operations, typ. 32ns
for fixed point arithmetic, typ. 42ns
for floating point arithmetic, typ. 170ns
CPU-blocks 
Number of elements (total) 4000; Blocks (OB, FB, FC, DB) and UDTs
DB 
•
Number range 1 ... 60 999; subdivided into: number range that
can be used by the user: 1 ... 59 999, and num
ber range of DBs created via SFC 86: 60 000 ... 60
999
•
Size, max. 1.5Mbyte; For DBs with absolute addressing, the
max. size is 64 KB
FB 
•
Number range 0 ... 65 535
•
Size, max. 300kbyte
FC 
•
Number range 0 ... 65 535
•
Size, max. 300kbyte
OB 
•
Size, max. 300kbyte
•
Number of free cycle OBs 100
•
Number of time alarm OBs 20
•
Number of delay alarm OBs 20
•
Number of cyclic interrupt OBs 20; With minimum OB 3x cycle of 250 µs
•
Number of process alarm OBs 50
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Technical specifications
CPU 1511-1 PN (6ES7511-1AL03-0AB0)
Equipment Manual, 11/2022, A5E40869673-AC