Rockwell Automation 8520-9API 9/Series OCI API Developer's Guide - Manual (Page 98)

4–50 OCI Data Server Data Items
Publication 8520-6.6 - August 1999
Important: Before the OCI system is allowed to set certain
PAL/Logic variables, the software front panel flag
($SW_PANE) must be set to one (true). Failing to set
$SW_PANE will cause the control to overwrite, each
PAL/Logic scan, any OCI requests to the following
flags:
$MODREQ $FRO_SW
$RPDOREQ $SPNDIR
$SSO_SW $RPDTRV
$DRY_RUN $BDRQ
$AUXLRQ $OPTSTP
$SNGBLK $MXRQ
$INHR $STZE
$BKRTRQ $JRETRQ
$CYCSTR $CYCSTP
Important: The above flags do not apply to the 9/PC CNC.
PAL_REVISION
Data Type
DINT
Read/Write Read
Array Index none
Control Type Lathe/Mill/Grinder 1
1 Grinder Control Type is not available for Release 1 of 9/PC.
This double word provides the revision of the PAL symbols file.
This is not related to your compile date or download date for the
PAL image. It is an internal revision of the symbols used by your
PAL application. This is typically only used by Allen-Bradley
service representatives. The upper 16 bits indicate the major
revision, the lower 16 bits indicate the minor revision.
Important: This data item does not apply to the 9/PC CNC.