Description: Variable variable that is not influenced by the regulation or control in question, which is supplied to the control circuit or the control chain from outside and which the task variable is intended to follow in a predetermined relationship; Name: target size
Description: variable quantity, which is not influenced by the control but is introduced into the control system from outside with the aim of making the final controlled variable follow it in a given relationship; Name: command variable
Description: maximum boundary value of temperature range in a specified temperature, in which an operating unit can be used, without serious changes of assigned features, depending on the exposure time. Temporal restrictions like short-time or durability have to be stated; Name: max. temperature range