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