Expression (Boolean Output) - Metasys - Johnson Controls - LIT-12011147 - Software Application - Controller Configuration Tool - 13.1

Controller Tool Help
Product
Controls > Control Tools > Controller Configuration Tool
Document number
LIT-12011147
Version
13.1
Revision date
2019-12-04

The Expression logic block allows the user to write complex logic without taking up many objects in the system. The Expression (Boolean Output) logic blocks allow the user to define a block with multiple inputs and write an equation that results in a Boolean value.

See Table 2 for Expression Tokens, and Figure 1 and Figure 2 for expression examples.

Table 1. Expression (Boolean Output)
Name Data Type Exposed for Connection by Default Description Default Value
Inputs
Input Boolean, Enum, Float Yes   False
Outputs
Present Value 1 Boolean Yes Indicates the output of the block. False
Properties
Expression Boolean, Enum, Float N/A Provides an editable field for the token string used to create the expression. See Table 2 for a list of available tokens. N/A
1 This input or output is the Default Element of the block.