Detailed description
2.12 Block descriptions
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
127
Error identifiers
If it was not possible to execute a job, the failure is indicated by "logic 1" on status parameter
error. The error cause is coded at the block output State:
State Meaning Note
3 Negative acknowledgment, job
not executable
Internal error, any help:
NC RESET
6 FIFO full Job must be repeated since queue is full
7 Option not set BP parameter "NCKomm" is not set
9 Transmission occupied Job must be repeated
Pulse diagram
'RQH
5HT
(UURU
(1) Activation of function
(2) Positive acknowledgment: PI service has been executed
(3) Reset function activation after receipt of acknowledgment
(4) Signal change by means of FB
(5) 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.
(6) Negative acknowledgment: Error has occurred, error code in the output parameter State
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