Allen-Bradley LOGIX 5000 User Manual

Process Control Instructions
Chapter 1
Rockwell Automation Publication 1756-RM006K-EN-P - November 2018 241
All conditions below the shaded area can only occur during Normal Scan mode.
Condition/State Action Taken
Prescan .EnableIn and .EnableOut bits are cleared to false.
Postscan .EnableIn and .EnableOut bits are cleared to false.
EnableIn is false .EnableIn and .EnableOut bits are cleared to false.
Instruction first run No state specific action taken.
Primary algorithm not executed, however will validate input
parameters.
Instruction first scan No state specific action taken.
Primary algorithm not executed, however will validate input
parameters.
EnableIn is true .EnableIn and .EnableOut bits are set to true.
The instruction's main algorithm will be executed and outputs will
be updated.
Native Implementation
Platform Intrinsics/Main Function
ABRisc / ARM ABRisc assembly code
void FB_ModularMultivariableControl(UINT32 *pulArg0Ptr)
RCA MMC(instance)
void FB_ModularMultivariableControl(UINT32 *pulArg0Ptr)
SoftLogix (X86) void rts$MMC(UINT32 *pFbdBlock)

Allen-Bradley LOGIX 5000 Specifications

General

Brand	Allen-Bradley
Model	LOGIX 5000
Category	Controller
Language	English