FUNCTION_BLOCK E_RDELAY

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E_RDELAY

The Function Block (FB) network shown in the figure at right above represents an implementation of the E_RDELAY Service Interface FB (SIFB), whose interface is shown at left, as a Composite Function Block type.

An event is generated at the EO output of an instance of this FB type at a time interval DT after the occurrence of an event at the START input. No event will occur at the EO output if the delay is cancelled by an occurrence of an event at the at the STOP input. If multiple events occur at the START input before the occurrence of an event at EO, only a single event occurs at EO, at a time DT after the last event occurrence at the START input. No event delay will be initiated if an event occurs at the START input with a value of DT which is not greater than t#0s.

Testbeds for instances of this FB Type are shown in the E_RDELAY_TEST and E_RDELAY_STATS System configurations.