Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 245)

API Library of Routines
Appendix B
MSG_ZERO_MASK
B-114
BASIC Example
The BASIC function code is 47.
DIM status : INTEGER
DIM msg_r_mask : INTEGER
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rem * MSG_ZERO_MASK - zero out msg_r_mask
RUN AB_BAS (47,status,ADDR(msg_r_mask))
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References
MSG_READ_HANDLER(); MSG_WRITE_HANDLER();
MSG_WAIT(); MSG_SET_MASK(); MSG_CLR_MASK();
MSG_TST_MASK();