Siemens SINUMERIK 840D sl Function Manual page 1106

Detailed description
2.12 Block descriptions
Pulse diagram
(1)
(2)
(3)
(4)
(5)
(6)
122
Activation of function
Positive acknowledgment: variables have been written
Reset function activation after receipt of acknowledgment
Signal change by means of FB
If function activation is reset prior to receipt of acknowledgment, the output signals are not
updated without the operational sequence of the activated function being affected.
Negative acknowledgment: Error has occurred, error code in output parameter state.
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0