Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 263)

API Library of Routines
Appendix B
TAG_UNLOCK
B-132
C Example
See the TAG_LOCK() example on page B-123.
BASIC Example
The BASIC function number is 70.
DIM status : INTEGER
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rem * TAG_UNLOCK - unlock the tag “Fred”, the timeout is 30 seconds
RUN AB_BAS (70,status,“Fred”,30)
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References
TAG_LINK(); TAG_DEFINE(); TAG_UNDEF();
TAG_READ(); TAG_WRITE(); TAG_LOCK();