Chapter 15 Input/Output instructions
390 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
MM_INFO checks Memory Module information. When a Memory Module is
not present, all values return zero (0).
Arguments
Parameter Parameter type Data type Description
Enable Input BOOL Function block enable.
When Enable = TRUE, read Memory Module header information.
When Enable = FALSE, there is no read operation, and the output Memory
Module information is invalid.
MMInfo Output MMINFO Memory Module Information.
See MMINFO data type on page 392.
ENO Output BOOL Enable out.
Applies only to LD programs.
MM_INFO function block language examples
Function Block Diagram (FBD)
Ladder Diagram (LD)
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