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Engineering Education, Resources and Standards
News Release from: ODVA
Edited by the Engineeringtalk Editorial
Team on 15 May 2007
Specification updates ease configuration
ODVA's specification updates bring a range of enhancements to the specifications aimed at delivering increased ease of configuration for users.
ODVA has published new editions of the specifications for the family of CIP Networks, which includes updates for EtherNet/IP, DeviceNet, CompoNet, ControlNet and CIP Safety These new editions represent the first publication update of these specifications in 2007, and they bring a range of enhancements to the specifications aimed at delivering increased ease of configuration for users
This article was originally published on Engineeringtalk on 15 Nov 2005 at 8.00am (UK)
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All together, the new editions include fourteen specification enhancements.
The full reset while keeping communication settings option allows for the reset of a device to the "out-of-box" (or factory) defaults, except for the communication parameters, such as node number and data rate.
This feature is designed to save users time when reconfiguring the devices on their system by giving the user more flexibility in the available options for resetting a device.
The Connection Configuration Object has been enhanced to include support for connections up to 64Kbyte, keeping pace with the fast growing popularity of EtherNet/IP and the need to support its 1500byte Ethernet packet size and the 64K message size supported by the internet protocol (IP) fragmentation.
An option for an active node table has been added for CIP routers, which makes it unnecessary for the off-link browsing tool to have to wait for timeouts for node numbers that are not present on a remote DeviceNet network.
Through the use of this option, the CIP router can know that certain nodes are not present, allowing it to immediately respond to the off-link request.
This can reduce browsing time significantly, especially for smaller networks.
CIP is a single, media-independent protocol common to all of the family of CIP Networks, and it provides the interoperability and interchangeability essential to open networks and open systems.
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