I/O modules offer greater connection density

29 July 2015

Weidmüller has developed a new range of I/O technology – HD modules. Four lines with wire cross-sections of 0.14 to 0.32 mm2 can be connected to every HD connector, producing 32 connection points on 11.5 mm wide module. 

There is enough room on the new HD modules for all the wiring for eight individually pluggable sensors or actuators. 

This plug & play solution also enables rapid installation in tight spaces in local applications. Working with pre-assembled lines in connectors whose maximum dimensions match those of a standard M8 connector results in fewer wiring mistakes despite the considerably faster assembly times, says the company.

Explaining the product’s functionality, Andreas Hoffmann, product manager at Weidmüller, said: "From the start of the project, the HD modules have been a key element of our overall u-remote concept. All developments offer customers solutions to problems in areas where they encounter major challenges in machine automation. Such challenges range from restricted installation space to solutions for complete reviews of project run times and maintenance costs. The HD modules are a logical next step."

Environmental influences, friction and power surges all impact on connection technology in the field and continually subject it to damage. Detecting such damage in a targeted way and diagnosing it is another job of the new u-remote I/O modules, with individual channel diagnosis. At the individual sensor/actuator level, the module reports the current function status to the control. This can then be used as a detailed source of information, should maintenance be required.

Information within a PLC, relating to current speeds, flow rates or even angle changes in incremental or speed transmitters, are vital for precise system control. However, this information cannot be recorded with standard functions, so a function for this purpose has been added to the u-remote module portfolio. The corresponding input module records signals in a range of 0.1 to 100 kHz from any source and can therefore be used universally for a wide range of frequency-dependent automation applications.

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