Rockwell Automation RECOMM-PBUS PROFIBUS Communications Module - Manual (Page 58)

6-6 PROFIBUS Communications Module
Example:
Power Up Marker (242) = 88.4541 hours
MSW = 13
decimal
= 1101
binary
= 2 19 + 2 18 + 2 16 = 851968
LSW = 32573
851968 + 32573 = 884541
6.6 Sample SLC Ladder Logic Program
The PROFIBUS sample program uses an SLC processor with an
SST PROFIBUS scanner (SST-PFB-SLC) in the first slot of the rack
and will work with SP600 drives.
Function of the Sample Program
The program is written for two drives on the network and
demonstrates the use of the following:
• Logic Command / Reference
• Logic Status / Feedback
• Datalinks
• Parameter Access (covered in chapter 7)
Module Settings
The Node Address switch settings on the PROFIBUS modules are
set to:
• “1” for Station 1
• “2” for Station 2