Modular design remote I/O system
September 2014
PLCs, DCSs & Controllers
Weidmüller’s ‘u-remote’ represents a new, modularly designed remote I/O system distinguished by plug-in connection, high component density and high levels of efficiency and productivity. The integrated web server simplifies start-up and aids maintenance workers. Distinctive features include lean planning, simple installation, fast start-up and reduced downtime.
As installation can be carried out without the need for tools and the cabling is pre-assembled, a reliable installation can be conducted faster in the switch cabinet as well as on the machine and system. The single row connection level facilitates ease of wiring, installation and service. The plug-in connection level allows for the quick and safe connection of sensors and actuators with pre-assembled cables while simultaneously minimising the error rate in the system wiring.
Thanks to the slim modular design and a low number of power-feed modules, switch cabinets with ‘u-remote’ can be designed significantly smaller while increasing flexibility in their layout. A component can be replaced load-free during operation i.e. without having to interrupt the bus connection and disconnect the power supply.
The ‘u-remote’ system has two features that set it apart in class: First, it separates the supply for inputs and outputs with two 10 A current paths capable of handling heavy loads – this reduces the number of power-feed modules needed and at the same time saves space as well as planning and maintenance effort. Second, it has an internal supply path capable of handling heavy loads, which allows 64 modules to be operated with just one power supply on the coupler.
The ‘u-remote’ I/O system has freely selectable sensor connection options (2, 3 and 4 conductor technology) and can be operated in a temperature range from -20 to 60°C. The high-speed system bus provides impressive electronic performance and works with as many as 256 DI/DOs in 20 μs. LEDs on the module, directly positioned on the conductor connection, are extremely helpful for reading statuses and diagnostics.
For more information contact Alex Lockyer, Phambili Interface, +27 (0)11 452 1930, [email protected], www.phambili-interface.co.za
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