Rockwell-automation MMCL Using the Mining, Mineral, and Cement Library Manual do Utilizador descarregar pdf (Página 20)

Publication RA-UM002B-EN-P - November 2010

20 Rules and Recommendations

Typical Add-On Instruction Function Call

Each MMCL Add-On Instruction function has three data structures:

• All direct Inputs/Outputs are specified by the Backing Tag (instance

name of Add-On Instruction).

• The ModuleData Tag is referenced by the Add-On Instruction, this data

may be read and written by other modules/devices. It contains HMI

data (Sta, Cmd, and Val) or Parameters (Par).

• The Global Tag is used by all modules and contains common

Parameters or, for example, the interface for the Startup Warnings

(Horn/Flash) and Alarm Gong.

Add-On Instruction Module Data Structure

Add-On Instruction

Backing Tag

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Rockwell-automation MMCL Using the Mining, Mineral, and Cement Library Manual do Utilizador Página 20