11 20901101_EN_PC5xx-6xx_VARIO_select_Serie_V1.0_280618IntroductionPTFE PolytetrafluorethylenePVDF Polyvinylidene fluorideRMA‑N° Return Merchandise Authorization numberSW Wrench size (tool)resp. responsible (supervising)e. g., for example* Labeling on vacuum pump or component see also Product-specific abbreviations on page 291.2.6 Term definitionsSeparator flask Glass flask / separator mounted at the inlet oroutlet.Vapor condenser* Cooling condenser with receiving flask mount-ed at the outlet (pressure side).Flow control valve Valve at the inlet of PC 511/611 select for man-ual vacuum controlPC 5xx selectPC 6xx selectVacuum pumping unit with valves for man-ual and/or electronic vacuum control in-cluding VACUU·SELECT® controller andVACUU·SELECT® Sensor.VACUU·BUS® Bus system from VACUUBRAND for com-munication between peripheral devices withVACUU·BUS® enabled gauges and controllers.The maximum admissible cable length is 30 m.VACUU·BUS®addressAddress which enables the VACUU·BUS® clientto be unambiguously assigned within the bussystem, e.g., for connecting multiple sensorswith the same measurement range.VACUU·BUS®clientPeripheral device or component withVACUU·BUS® port which is integrated in thebus system, e. g., sensors, valves, level indica-tors, etc.VACUU·BUS®connector4‑pin round connector for the bus system fromVACUUBRAND.VACUU·BUS®configurationUsing a measuring device or controller,e. g, VACUU·SELECT®, assign anotherVACUU·BUS® address to a VACUU·BUS® com-ponent.VACUU·SELECT® Vacuum controller, controller with touchscreen;consisting of operating panel and vacuum sen-sor.AbbreviationsProduct‑specificterms