Siemens SIMATIC S7-1500 Manual page 12

Product overview
2.1 Applications of the S7-1500 CPU
Performance segments of the standard, compact, fail-safe and technology CPUs
The CPUs can be used for smaller and mid-range applications, as well as for the high-end
range of machine and plant automation.
Table 2- 1 Standard CPUs
CPU Performance
CPU 1511-1 PN Standard CPU for
small to mid-range
applications
CPU 1513-1 PN Standard CPU for
mid-range applica-
tions
CPU 1515-2 PN Standard CPU for
small to mid-range
applications
CPU 1516-3 PN/ Standard CPU for
DP high-end applications
and communication
tasks
CPU 1517-3 PN/ Standard CPU for
DP high-end applications
and communication
tasks
CPU 1518-4 PN/ Standard CPU for
DP high-performance
applications,
CPU 1518-4 PN/
demanding commu-
DP MFP
nication tasks and
very short reaction
times
Table 2- 2 Compact CPUs
CPU Performance
CPU 1511C-1 PN Compact CPU for
small to mid-range
applications
CPU 1512C-1 PN Compact CPU for
mid-range applica-
tions
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PROFIBUS
segment interfaces
--
--
--
1
1
1
PROFIBUS
segment interfaces
--
--
PROFINET PROFINET
IO RT/IRT IO RT
interface interface
1 --
1 --
1 1
1 1
1 1
1 1
PROFINET PROFINET
IO RT/IRT IO RT
interfaces interface
1 --
1 --
CPU 1516T-3 PN/DP (6ES7516-3TN00-0AB0)
PROFINET Work
basic memory
functionality
-- 1.15 MB
-- 1.8 MB
-- 3.5 MB
-- 6 MB
-- 10 MB
1 24 MB
PROFINET Work
basic memory
functionality
-- 1.175 MB
-- 1.25 MB
Manual, 12/2017, A5E40898375-AA
Processing
time for bit
operations
60 ns
40 ns
30 ns
10 ns
2 ns
1 ns
Processing
time for bit
operations
60 ns
48 ns