January 2012 7.1 Display and Operation 1247
Call:
PS B/W/D/K <Mode>
When called from a cyclic PLC program, the <Mode>
setting is omitted. The block number of the active
NC program is always returned.
When called from a spawn job or submit job:
0: String / block number and path refer only to the active
NC (sub)program. Block number from block scan.
1: String / block number and path refer only to the active
NC (sub)program or cycle. Block number from block
scan.
2: Only the name of the NC main program without
information about the block number; block number is set
to 0 when executed correctly.
PS B/W/D/K <String number for path of the NC program or cycle>
Call from a cyclic PLC program: Without effect.
CM 9322
PL B/W/D <Block number>
–1: Error if error marker is set
–1: Block number in certain cases, if call was from a cyclic
PLC program
Error recognition:
Marker Value Meaning
NN_GenApiModule
Error
0 Successful execution of module
1 Error. See NN_GenApiModuleError
NN_GenApiModule
ErrorCode
1 Invalid mode programmed
2 Invalid string number programmed
12 Path name is longer than PLC string
13 Internal error
20 Module was not started from a spawn or
submit job
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