P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
948 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
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:
Timing diagram
13.13.4.1 Overview of available PI services
The following section provides an overview of the PI services that can be started from the PLC.
The significance and application of the general FB 4 input variables (Unit, Addr ..., WVar ...) depend on the
individual PI service concerned.
State Significance Note
3 Negative acknowledgment, job not
executable
Internal error, try:
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
13 (0x0d) ANY data reference incorrect String date required has not been
parameterized
14 (0x0e) PIService parameter reference incorrect No valid PI description
15 (0x0f) String too long Addr1.. Check Addr4 strings
(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) Not permissible
(6) Negative acknowledgment: Error has occurred, error code in the output parameter State
Table 13-2 General PI services
PI service Function
ASUB Assign interrupt
CANCEL Execute cancel
'RQH
5HT
(UURU
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