Honeywell HC900 - Removal and Replacement Procedures; Safety Considerations - PLAN AHEAD!

Function Blocks
LMON Low Monitor Function Block
182 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
LMON Low Monitor Function Block
Description
The LMON label stands for Low Monitor.
This block is part of the
Alarm/Monitor category.
Function
Monitors two analog input values (X and Y), and turns ON a digital output if X is less than Y.
A hysteresis adjustment is provided to prevent output cycling.
• If X < Y, then: OUT = ON.
• If X > or = (Y + Hysteresis), then: OUT = OFF.
• If (Y + Hysteresis) > X > Y, then: OUT = Previous State.
Input
X
= Analog value.
Y = Analog value
Output
OUT
= Digital signal
Block properties
Double click on the function block to access the function block properties dialog box.