Three controllers suit automation and safety use
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Siemens Automation and Drives product story
Edited by the Engineeringtalk editorial team
Mar 28, 2006
Three controllers with integral Profinet interface for automation tasks have high instruction execution performance and can be programmed over industrial Ethernet from a centralised PC.
Siemens Automation and Drives has developed three Simatic S7-400 controllers with integral Profinet interface.
The CPU 414-3 PN/DP and CPU 416-3 PN/DP are for automation tasks, and the CPU 416F-3 PN/DP is also suitable for safety-related applications.
The data communications is based on the Profinet Asic Ertec 400.
In addition, the CPUs are characterised by high instruction execution performance.
The Profinet CPUs can be programmed over industrial Ethernet from a centralised PC or programming device.
Devices on the lower-level Profibus can also be accessed from here without having to reconnect the programming device.
Configuring, engineering and diagnostics are handled with Simatic Step 7 engineering software, and the safety-related section of the CPU 416F-3 PN/DP program is created with the option package Distributed Safety v5.4.
The integral Profinet Asic Ertec 400 provides high communications performance and two Ethernet ports.
This means the S7-400 controllers can be integrated into linear Profinet structures in addition to the previous hierarchical configuration.
As well as the Profinet I/O and Profinet CBA communications protocols, the CPUs also support TCP/IP, UDP and ISO on TCP.
A web server has been integrated that uses the Profinet interface to provide CPU diagnostics information over the internet and intranets.
Web clients such as a host computer or PDA can access this information using a standard web browser.
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