Home > Rockwell Automation I/O modules achieve faster speeds with new hardware technology and peer-to-peer communications

Rockwell Automation I/O modules achieve faster speeds with new hardware technology and peer-to-peer communications

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article image New I/O modules for ControlLogix PAC platform enable faster machine speeds in discrete applications
Rockwell Automation  has introduced new high-speed Input/Output modules for its ControlLogix programmable automation controller (PAC) platform to enable faster machine speeds in a wide range of discrete applications.
 
The Allen-Bradley ControlLogix 24vdc I/O modules used with the ControlLogix 5570 family of PACs can significantly improve total System Response Time (SRT) through new hardware technology and peer-to-peer communication capabilities that significantly reduce the time it takes for modules to communicate with the controller.
 
Since SRT equates to the time required for input module response, controller processing and output module response, reducing I/O latency results in higher machine speeds for increased parts production.
 
Bob Hicks, Solutions Architect, Rockwell Automation explains that OEMs are tasked with building faster machines as manufacturers seek to increase productivity and throughput. For end users and machine builders with high-speed sequential control applications, the new I/O can increase the speed at which machines function, resulting in higher parts production per shift for the customer. 
 
For even faster performance, the new modules also function in peer-to-peer mode, bypassing the controller entirely by establishing in-chassis connections that allow I/O modules to communicate directly with each other. Shifting task management to the I/O modules can relieve a controller of the overhead required to process and direct I/O modules, helping improve reliability in program execution and throughput.
 
In peer-to-peer mode, input to output response time can be less than 100 microseconds (μS). The peer-to-peer capabilities are ideal for applications with fast detect-energise sequences such as high-speed parts rejection.

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