Characteristics

CPU 1510SP-1 PN

CPU 1512SP-1 PN

Work memory for program, integrated

100 KB

200 KB

Work memory for data, integrated

750 KB

1.0 MB

Load memory

Plug-in via SIMATIC Memory Card

Plug-in via SIMATIC Memory Card

Command execution times

• Bit operations

0.072 µs

0.048 µs

• Word operations

0.086 µs

0.058 µs

•  Fixed-point operations

0.115 µs

0.077 µs

• Floating-point operations

0.461 µs

0.307 µs

Bit memories, timers, counters

S7 counters/timers

2048 each

2048 each

IEC counters

any number (only limited by the work memory)

any number (only limited by the work memory)

IEC timers

any number (only limited by the work memory)

any number (only limited by the work memory)

Bit memories

16 KB

16 KB

I/O address range

Inputs

32 KB (all inputs are stored in the process image)

32 KB (all inputs are stored in the process image)

Outputs

32 KB (all outputs are stored in the process image)

32 KB (all outputs are stored in the process image)

Motion

Typ. number of positioning axes (at 4 ms servo/IPO cycle)

5

5

Max. number of positioning axes

10

10

Communication

PtP

Yes (via CM)

Yes (via CM)

PROFINET IO

1 x PN IO IRT (3-port switch)

1 x PN IO IRT (3-port switch)

PROFIBUS DP

Yes (via CM DP)

Yes (via CM DP)

OPC UA Server (Data Access)

Yes

Yes

Web server

Yes

Yes

Features

CPU 1510SP F-1 PN

CPU 1512SP F-1 PN

Work memory for program, integrated

150 KB

300 KB

Work memory for data, integrated

750 KB

1 MB

Load memory

Plug-in via SIMATIC Memory Card, max. 32 GB

Plug-in via SIMATIC Memory Card, max. 32 GB

Command execution times

• Bit operations

72 ns

48 ns

• Word operations

86 ns

58 ns

• Fixed-point operations

115 ns

77 ns

• Floating-point operations

461 ns

307 ns

Integral interfaces

• PROFINET IO IRT

1 x PN IO IRT (3-port switch)

1 x PN IO IRT (3-port switch)

• PROFIBUS DP

Yes (via CM DP)

Yes (via CM DP)

Standards, approvals, certificates

SIL according to IEC 61508: to SIL3 in each case

PL according to ISO 13849: to PLe in each case

SIL according to IEC 61508: to SIL3 in each case

PL according to ISO 13849: to PLe in each case