Various CPUs with graduated levels of performance are available for SIMATIC S7-1500:

Standard CPUs

• CPU 1511-1 PN:
  for smaller applications with medium requirements on the program scope and processing speed, for distributed setup via PROFINET IO.
• CPU 1513-1 PN:
  for applications with medium requirements on the program scope and processing speed, for distributed setup via PROFINET IO.
• CPU 1515-2 PN:
  for applications with medium/high requirements on the program scope, networking and processing speed, for distributed setup via PROFINET IO. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1516-3 PN/DP:
  for applications with high requirements on the program scope, networking and processing speed. For distributed configuration via PROFINET IO and PROFIBUS DP. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1517-3 PN/DP:
  for applications with very high requirements regarding program scope, networking and processing speed. For distributed configuration via PROFINET IO and PROFIBUS DP. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1518-4 PN/DP:
  for applications with extremely high requirements regarding program scope and networking, and for maximum requirements regarding processing speed. For distributed configuration via PROFINET IO and PROFIBUS DP. The second integrated PROFINET IO interface can be used for connecting further PROFINET IO RT devices or for high-speed communication as an I-Device. With the third PROFINET interface with a separate IP address and Gbit Ethernet, network separation or coupling via Gbit Ethernet to a higher-level network can be achieved, for example.
• CPU 1518-4 PN/DP ODK:
  for applications with extremely high requirements regarding program scope (programming can take place via the SIMATIC ODK 1500S in C/C++) and networking, and for maximum requirements regarding processing speed. For distributed configuration via PROFINET IO and PROFIBUS DP; the second integrated PROFINET IO interface can be used for connecting further PROFINET IO RT devices or for high-speed communication as an I-Device. With the third PROFINET interface with a separate IP address and Gbit Ethernet, network separation or coupling via Gbit Ethernet to a higher-level network can be achieved, for example.

Fail-safe CPUs

• CPU 1511F-1 PN:
  the cost-effective entry-level CPU for standard and fail-safe applications with medium requirements in terms of processing performance and response speed in discrete production technology.
• CPU 1513F-1 PN:
  the CPU with a medium to large program and data memory for standard and fail-safe applications that also include distributed automation structures alongside central I/O.
• CPU 1515F-2 PN:
  for standard and failsafe applications with medium/high requirements for program scope and processing speed, for distributed setup via PROFINET IO with PROFIsafe. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1516F-3 PN/DP:
  for standard and failsafe applications with medium/high requirements for program scope and processing speed, for distributed setup via PROFINET IO and PROFIBUS DP with PROFIsafe. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1517F-3 PN/DP:
  for standard and failsafe applications with very high requirements for program scope networking, and for very high requirements regarding processing speed, for distributed setup via PROFINET IO and PROFIBUS DP with PROFIsafe. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1518F-4 PN/DP:
  for standard and failsafe applications with high requirements for program scope and processing speed, for distributed setup via PROFINET IO and PROFIBUS DP with PROFIsafe. The second integrated PROFINET IO interface can be used for connecting further PROFINET IO RT devices or for high-speed communication as an I-Device. With the third PROFINET interface with a separate IP address and Gbit Ethernet, network separation or coupling via Gbit Ethernet to a higher-level network can be achieved, for example.
• CPU 1518F-4 PN/DP ODK:
  for standard and fail-safe applications with high requirements for program scope (programming of the standard can take place via the SIMATIC ODK 1500S in C/C++) and processing speed, for distributed setup via PROFINET IO and PROFIBUS DP with PROFIsafe. The second integrated PROFINET IO interface can be used for connecting further PROFINET IO RT devices or for high-speed communication as an I-Device. With the third PROFINET interface with a separate IP address and Gbit Ethernet, network separation or coupling via Gbit Ethernet to a higher-level network can be achieved, for example.

Compact CPUs

• CPU 1511C-1 PN:
  the compact CPU for standard applications with medium requirements in terms of processing performance and response speed in discrete production technology. The digital and analog inputs and outputs are integrated directly on the controller. The digital I/O can also be used for technological functions such as fast counting, frequency measurement or pulse-width modulation.
• CPU 1512C-1 PN:
  the compact CPU for standard applications with medium requirements in terms of processing performance and response speed in discrete production technology. The digital and analog inputs and outputs are integrated directly on the controller. The digital I/O can also be used for technological functions such as fast counting, frequency measurement or pulse-width modulation

Technology CPUs

• CPU 1511T-1 PN:
  for smaller applications with medium requirements on the program scope and processing speed, for distributed setup via PROFINET IO.
• CPU 1515T-2 PN:
  for applications with medium/high requirements on the program scope, networking and processing speed. For distributed configuration via PROFINET IO. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1517T-3 PN/DP:
  for applications with very high requirements regarding program scope, networking and processing speed. For distributed configuration via PROFINET IO and PROFIBUS DP. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.
• CPU 1517TF-3 PN/DP:
  for standard and fail-safe applications with very high requirements regarding program scope, networking and processing speed. For distributed configuration via PROFINET IO and PROFIBUS DP with PROFIsafe. The additional integrated PROFINET interface with separate IP address can be used, for example, for network separation, for connecting further PROFINET IO RT devices, or for high-speed communication as an I-Device.

All SIMATIC S7-1500 CPUs support motion control functions. STEP 7 provides motion control instructions that are standardized in accordance with PLCopen for configuring and connecting a drive to the CPU.
Motion control with the S7-1500 supports the following technology objects:

• Speed-controlled axes
• Positioning axes
• Synchronized axes (relative synchronism with synchronization, without specification of the synchronous position, setpoint linkage)
• External encoders
• Cams
• Cam track
• Probe

The technology CPUs of the SIMATIC S7-1500 offer advanced motion control functions:

• Extended synchronous operation functions
  • Synchronization with specification of the synchronous position
  • Actual value linkage
  • Shifting of the master value at following axis
  • Camming
• Cam disk
• Up to 4 encoder or measuring systems as actual position for position control