Rockwell Automation 1785-Vx0B, D17856.5.9 PLC-5 VME VMEbus Programmable Controllers User Manual - Manual (Page 159)

B Appendix
B-1
Sample Application Programming
Interface Modules
Read this appendix to understand how to write an application programming
interface (API) module to interact with your PLC-5/VME processor.
The modules in this appendix are C-language programs that interact with
the PLC-5/VME processor.
ATTENTION: Because of the variety of uses for the functions
in these sample applications, the user and those responsible for
applying this information must satisfy themselves that all the
necessary steps have been taken to ensure that the application of
this information meets all performance and safety requirements.
In no event shall Allen-Bradley Company, Inc. be responsible or
liable for indirect or consequential damages resulting from the
use or application of this information.
These sample applications are intended solely to illustrate the
principles of using PCCC commands, Radisys VME Driver, and
C programming. Allen-Bradley Company, Inc. cannot assume
responsibility or liability (to include intellectual property
liability) for actual use based on these samples.
Note: These sample API modules are also available on the
Allen-Bradley SuppotPlus Bulletin Board [(216) 646-6728].
Download file VMEAPI.ZIP. This file also contains three
sample applications.
Appendix Objectives