Do Function Block - Honeywell UMC800 Reference Manual

2.21 DO Function Block

Description
The DO label stands for Digital Output. This block is part of the Logic and Fast Logic categories. It looks
like this graphically on the Control Builder.
Function
Provides a digital status from the algorithms and functions to physical logic output hardware. Each block
requires a module and channel number during configuration.
The output status may be inverted.
Input
X = Input Status Signal
Output
None
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.
Configuration Parameters
You must configure the DO function Block
parameters to the desired value or selection that
matches your operating requirements.
Table 2-21 describes the parameters and the
value or selection.
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OR
Fast Logic
Function Block Reference Guide
Function Blocks
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