ABB 液位控制器

Contrans I - an interface programme with a wide functional spectrumbeginswith signal matching and ends with signal multiplication.. As the functionality ofprogrammable logic controllers and distributed controlsystems increase, so does the requirement for electrical isolation, intrinsically safe isolation. Contrans I drasticallyreduces the costs during project planing,commissioning and servicing, compared with conventional signal processing components. With this new systemconcept the electronic compartment (function module)and the junction box (standard connectionbase) have been designedseparately. During installation, wiring is connected using the standard basewhich is snapped onto the DIN mounting rail.The function module is plugged into the prewired standardbase. The wellarranged and systematic terminal assignment helps to avoid wiring errors. Whenever servicing is needed, the module is simply pulled out and the replacement plugged in. It is not necessary to disconnect the wiring. One error source is thereby eliminated. Special knowledge and tools are notrequired. For the signal matching of I/O-boards of the distributed controlsystem Freelance 2000, 16 channel backplanes which snap onto the DINrail, have been designed. The power supply is fed centrally and can be installed as an redundancy power supply. The standard systemcables with plugs on both ends makes it possible to plug the Contrans Imodules directly to I/O-boards. Automation Products GmbH· Borsigstr. 2 · D-63755Alzenau · Phone:+49-6023-92-0 · Fax:+49-6023-92-3300 · Internethttp://www.abb.de/automation Subject t o technicalchanges. PrintedintheFed.Rep.OfGermany01.2000H&B 5.1.2

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