| linear time-invariant transfer element the transfer function of which has exactly one real-value negative pole and no zero|
Note 1 to entry: The transfer function of a first-order lag element is given as
|KP||is the proportional action coefficient;|
|T1||is the time constant;|
|s||is the complex variable of the Laplace transform;|
|U(s)||is the input transform;|
|V(s)||is the output transform.|
Note 1 to entry: This entry was numbered 351-28-13 in IEC 60050-351:2006.