Rockwell Automation RECOMM-PBUS PROFIBUS Communications Module - Manual (Page 61)

Using I/O Messaging 6-9
Logic Command/Status Words
The examples in sections 6.7 and 6.8 use the Logic Command word
and Logic Status word for SP600 drives. Refer to Appendix C, Logic
Command/Status Words, for more information. The definition of the
bits in these words may vary if you are using a different DPI Host
product. Refer to the documentation for your Host product.