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Control systems, panels, HMIs, interfaces, screens
News Release from: Siemens Automation and Drives | Subject: 317-2 DP CPU
Edited by the Manufacturingtalk Editorial
Team on 04 August 2003
CPU speeds up automation systems
Siemens Automation and Drives has launched a powerful new CPU for its SIMATIC-S7 300 controllers that enables automation to run faster, thereby increasing throughput and profitability.
Siemens Automation and Drives is launching a powerful new CPU for its SIMATIC-S7 300 controllers Designated the 317-2 DP, the CPU is a high-end unit that complements the company's recently announced low-end and modular CPUs
This article was originally published on Manufacturingtalk on 10 Apr 2008 at 8.00am (UK)
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With 512kB of RAM and extremely short instruction runtimes, the 317 CPU enables automation to run faster, thereby increasing throughput and profitability.
This device will be of interest to suppliers of factory automation, whether special-purpose machines or series machines.
A high-speed processor allows instruction execution times of less than 1 microsecond for word operations and less than 5 microseconds for floating-point arithmetic.
In terms of I/O, the unit is capable of handling a maximum of 65,536 digital channels and 1024 analog channels, and as many as 32 active connections can be maintained simultaneously with other programmable devices such as PLCs (programmable controllers), PCs or operator panels.
Each CPU 317-2 DP is equipped as standard with a Profibus-DP interface and a combination DP/MPI interface, both of which can be configured as either a Profibus master or Profibus slave.
Each interface provides a maximum data transfer rate of 12 Mbit/s and up to 125 slaves can be connected.
To simplify integration with other equipment, the new CPU supports the Profibus DP V1 standard, so DP bus nodes can be parameterised acyclically.
One of the benefits of the substantial main memory is that graphical programming languages such as S7-GRAPH can be used for rapid, easy programming.
Up to 8 MB of additional memory can be installed in the form of micro memory cards should this extra capacity be required.
Alongside the standard 317-2 DP CPU, Siemens A and D is also launching other models with additional focused functionality.
For instance, the CPU 317T-2 DP includes motion control capability, while the CPU 317-2 PN/DP benefits from an Ethernet/Profinet interface, and the CPU 317F-2 DP is suitable for safety-critical applications.
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