Data Sheet

CPU processing times
for bit operations, typ. 60ns
for word operations, typ. 72ns
for fixed point arithmetic, typ. 96ns
for floating point arithmetic, typ. 384ns
CPU-blocks
Number of elements (total) 2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 number range of DBs created via SFC
86: 60 000 ... 60 999
● Size, max.
1Mbyte; For DBs with absolute addressing, the max. size is 64
KB
FB
● Number range
0 ... 65 535
● Size, max.
175kbyte
FC
● Number range
0 ... 65 535
● Size, max.
175kbyte
OB
● Size, max.
175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 500 µs
● Number of process alarm OBs
50
● Number of DPV1 alarm OBs
3
● Number of isochronous mode OBs
1
● Number of technology synchronous alarm OBs
2
● Number of startup OBs
100
● Number of asynchronous error OBs
4
● Number of synchronous error OBs
2
● Number of diagnostic alarm OBs
1
Nesting depth
● per priority class
24
Counters, timers and their retentivity
S7 counter
● Number
2048
Retentivity
— adjustable
Yes
IEC counter
● Number
Any (only limited by the main memory)
6ES7511-1CK01-0AB0 Subject to change without notice
Page 3/
19
09/16/2019 © Copyright Siemens