Siemens Simantic S7-1500 - Fail-safe CPU Performance Segments

Product overview
2.2 Applications of the S7-1500 CPU
CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0)
14 Manual, 12/2017, A5E36285525-AB
Table 2- 4 Fail-safe CPUs
CPU
Performance segment
PROFIBUS
interfaces
PROFINET
IO RT/IRT
interfaces
PROFINET
IO RT
interface
PROFINET
basic func-
tionality
Work
memory
Processing
time for bit
operations
CPU 1511F-1
PN
Fail-safe CPU for small
to mid-range applica-
tions
-- 1 -- -- 1.225 MB 60 ns
CPU 1511TF-1
PN
Fail-safe technology
CPU for small to
mid-range applications
-- 1 -- -- 1.225 MB 60 ns
CPU 1513F-1
PN
Fail-safe CPU for
mid-range applications
-- 1 -- -- 1.95 MB 40 ns
CPU 1515F-2
PN
Fail-safe CPU for
mid-range to large
applications
-- 1 1 -- 3.75 MB 30 ns
CPU 1515TF-2
PN
Fail-safe technology
CPU for demanding
applications and
communication tasks
-- 1 1 -- 3.75 MB 30 ns
CPU 1516F-3
PN/DP
Fail-safe CPU for
demanding applications
and communication
tasks
1 1 1 -- 6.5 MB 10 ns
CPU 1516TF-3
PN/DP
Fail-safe technology
CPU for demanding
applications and
communication tasks
1 1 1 -- 6.5 MB 10 ns
CPU 1517F-3
PN/DP
Fail-safe CPU for
demanding applications
and communication
tasks
1 1 1 -- 11 MB 2 ns
CPU 1517TF-3
PN/DP
Fail-safe technology
CPU for demanding
applications and
communication tasks
1 1 1 -- 11 MB 2 ns
CPU 1518F-4
PN/DP
CPU 1518F-4
PN/DP MFP
Fail-safe CPU for high-
performance applica-
tions, demanding com-
munication tasks and
very short reaction
times
1 1 1 1 26 MB 1 ns