Siemens Simantic S7-1500 - Standard CPU Performance Segments

Product overview
2.2 Applications of the S7-1500 CPU
CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0)
Manual, 12/2017, A5E36285525-AB
13
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- 2 Standard 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 1511-1 PN Standard CPU for
small to mid-range
applications
-- 1 -- -- 1.15 MB 60 ns
CPU 1513-1 PN Standard CPU for
mid-range applica-
tions
-- 1 -- -- 1.8 MB 40 ns
CPU 1515-2 PN Standard CPU for
mid-range to large
applications
-- 1 1 -- 3.5 MB 30 ns
CPU 1516-3 PN/
DP
Standard CPU for
high-end applications
and communication
tasks
1 1 1 -- 6 MB 10 ns
CPU 1517-3 PN/
DP
Standard CPU for
high-end applications
and communication
tasks
1 1 1 -- 10 MB 2 ns
CPU 1518-4 PN/
DP
CPU 1518-4 PN/
DP MFP
Standard CPU for
high-performance
applications, demand-
ing communication
tasks and very short
reaction times
1 1 1 1 24 MB 1 ns
Table 2- 3 Compact 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 1511C-1
PN
Compact CPU for
small to mid-range
applications
-- 1 -- -- 1.175 MB 60 ns
CPU 1512C-1
PN
Compact CPU for
mid-range
applications
-- 1 -- -- 1.25 MB 48 ns