This information is part of the Modelica Standard Library maintained by the Modelica Association.

The clock source forms pulses between the '0' value (forcing 0) and the '1' value (forcing 1). The pulse length width is specified in percent of the period length period. The number of periods is unlimited. The first pulse starts at startTime.

The clock source is a special but often used variant of the pulse source.

startTime	Value: Type: Time (s) Description: Output = offset for time < startTime
period	Value: Type: Time (s) Description: Time for one period
width	Value: Type: Real Description: Width of pulses in % of period