ProSoft Technology ProSoft 1560 Manual do Utilizador descarregar pdf (Página 51)

MVI56-HART ♦ ControlLogix Platform Ladder Logic

HART Multi-drop Master Communication Module User Manual

ProSoft Technology, Inc. Page 51 of 171

October 13, 2011

3 Ladder Logic

In This Chapter

 Using the Sample Program ................................................................... 52

 Adding the Module to an Existing Project .............................................. 57

Ladder logic is required for the MVI56-HART 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.

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ProSoft Technology ProSoft 1560 Manual do Utilizador Página 51