Siemens SIMATIC S7-1500 Manual page 18

CPU Performance segment
CPU 1515TF- Fail-safe technology
2 PN CPU for complex appli-
cations and communi-
cation tasks
CPU 1516F- Fail-safe CPU for de-
3 PN/DP manding applications
and communications
tasks
CPU 1516TF- Fail-safe technology
3 PN/DP CPU for complex appli-
cations and communi-
cation tasks
CPU 1517F- Fail-safe CPU for de-
3 PN/DP manding applications
and communications
tasks
CPU 1517TF-3 Fail-safe technology
PN/DP CPU for complex appli-
cations and communi-
cation tasks
CPU 1518F- Fail-safe CPU for high-
4 PN/DP performance applica-
tions, demanding com-
munication tasks and
very short reaction
times
CPU 1518F- Fail-safe CPU for high-
4 PN/DP MFP performance applica-
tions, demanding com-
munication tasks, very
short reaction times and
C/C++ blocks for the
user program
CPU 1518TF- Technology CPU for
4 PN/DP high-performance mo-
tion control applications
with large quantities,
demanding communi-
cation tasks and very
short reaction times
CPU 1518HF- Fail-safe redundant CPU
4 PN for high-performance
applications and de-
manding communica-
tions tasks
* 50 MB of the integrated work memory is reserved for the function library of CPU runtime
CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)
Equipment Manual, 07/2021, A5E40882737-AB
PROFIBUS PROFINET
interfaces IO RT/IRT
interfaces
-- 1
1 1
1 1
1 1
1 1
1 1
1 1
1 1
-- 1
2.2 Applications of the S7-1500 CPUs
PROFINET Basic
IO RT PROFINET
interface functional-
ity
1 --
1 --
1 --
1 --
1 --
1 1
1 1
1 1
-- 2
Product overview
Work Pro-
memory cessing
time for
bit oper-
ations
3.75 MB 30 ns
6.5 MB 10 ns
6.5 MB 10 ns
11 MB 2 ns
11 MB 2 ns
69 MB 1 ns
119* MB 1 ns
69 MB 1 ns
69 MB 4 ns
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