Mdfl Function Block - Honeywell UMC800 Reference Manual

Function Blocks

2.36 MDFL Function Block

Description
The MDFL label stands for Mode Flag. This block is part of the Loops category. It looks like this
graphically on the Control Builder.
Function
Turns ON the output that corresponds to the current value of MODE.
Turns OFF all other outputs.
Input
The MODE input must connect to the MODE output of a PID, CARB, TPSC, or ONOFF function block.
Output
REM = ON
LOCAL = ON
AUTO = ON
MAN = ON
IMAN = ON
LO = ON
Block Properties
Double click on the function block to access the function block properties dialog box.
Block Order (Read Only)
You can change the assigned execution order number by selecting "Execution Order" in the "Configure"
menu and arrange the order to suit your control strategy.
100
If MODE = Remote Setpoint
If MODE = Local Setpoint
If MODE = Automatic Control
If MODE = Manual Control
If MODE = Loop in Initialization Manual
If MODE = Local Override
Function Block Reference Guide
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