Performance and flexibility

The scalability of the hardware and software – both in the CNC and the operating area – provides exceptional conditions for using SINUMERIK 840D sl in many sectors. The possibilities range from simple positioning tasks up to complex multi-axis systems. We offer different types of NCU for your machining tasks.

A total of 8 axes is provided by SINUMERIK 840D sl with NCU 710.3B PN, while the number of axes can be increased to a maximum of 31 in combination with the NCU 720.3B PN/NCU 730.3B PN.

Up to 3 NCUs can be connected with the CBE30-2 communication module via NCU-Link. Thus, up to 93 CNC-controlled axes/spindles and 150 CNC and PLC-controlled axes/spindles can be implemented.

Siemens has bundled its entire milling expertise into the SINUMERIK MDynamics technology packages. which allow users to attain outstanding milling results in terms of perfect surface quality, precision, quality and speed:

• Powerful CNC hardware and intelligent CNC functions
• Simple operation
• Unique CAD/CAM/CNC process chain
• Technological expertise in all industries

Use of an NCU 720.3B PN or NCU 730.3B PN is recommended where excellent dynamic response and accuracy are required for mold making applications or in the high-speed cutting (HSC) range.

System-wide openness

Thanks to openness across the HMI, CNC and PLC, users can apply their specific expertise such that they achieve exactly the individual control solution desired. SINUMERIK 840D sl offers openness right down to the NCK level. This open architecture and the high computing performance of the SINUMERIK 840D sl mean that the CNC functions can be adapted to many different innovative machine kinematics flexibly, rapidly and cost-effectively. Additional technology-specific functions can be subsequently loaded as compile cycles.

PROFINET functionality

PROFINET is the leading Industrial Ethernet Standard. PROFINET is based on tried and tested IT standards and fully supports TCP/IP – for company-wide data transfer across all levels. It also offers integrated diagnostics and fail-safe communication to ensure maximum plant availability, modular machine concepts for outstanding flexibility, as well as very fast transfer rates and WLAN applications for significantly enhanced performance.

PROFINET IO is a communication concept for the implementation of modular, distributed applications. PROFINET IO is based on Industrial Ethernet and allows distributed field devices and I/O devices to be connected to the NCU. 128 PROFINET IO devices can be operated as IO Controllers.

The integrated PROFINET CBA (Component Based Automation) functionality for machine-to-machine communication allows users to modularize technologically machines and systems on a process-specific basis and benefit accordingly: Systems are easier to standardize and easier to reuse or extend. Response to customer demands is faster and more flexible and startup is simplified and speeded up by pretesting at component level.

Integrated safety functions

Integrated safety functions (SINUMERIK Safety Integrated) are available with SINUMERIK 840D sl. The safety functions comply with the requirements of Category 3 as well as Performance Level PL d according to EN ISO 13849-1 and Safety Integrity Level SIL 2 according to EN 61508. Consequently, highly effective protection for personnel and machines is achieved in a simple, economical and practical manner.