3ladder logic – ProSoft Technology MVI46-PDPMV1 User Manual
Page 59

MVI46-PDPMV1 ♦ SLC Platform
Ladder Logic
PROFIBUS DPV1 Master
User Manual
ProSoft Technology, Inc.
Page 59 of 160
March 25, 2011
3
Ladder Logic
In This Chapter
Adding the Module to an Existing Project .............................................. 60
Ladder logic is required for the MVI46-PDPMV1 module to work. Tasks that must
be handled by the ladder logic are module data transfer, special block handling,
and status data receipt. Additionally, a power-up handler may be needed to
handle the initialization of the module’s data and to clear any processor fault
conditions.
The sample ladder logic, on the inRAx CD-ROM, is extensively commented, to
provide information on the purpose and function of each rung. For most
applications, the sample ladder will work without modification.