| Definition: | physical unit that combines – in a module/subassembly or device – a mode selector, an adjuster for manual control of the actuating drive and, if necessary, a reference-variable adjuster for the controller Note 1 to entry: The control device may be complemented by a display unit for the reference variable, the controlled variable and the manipulated variable. Note 2 to entry: This entry was numbered 351-32-07 in IEC 60050-351:2006.
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