User`s guide

Function Blocks
Function Block Categories and Types
68 UMC800 Control Builder User’s Guide Release E
1/01
Fast logic category
Table 19 lists the function block types in the Fast Logic category. (Also see Logic category.)
ATTENTION
All fast-logic logic blocks are executed and outputs updated in 100ms - used to capture faster
transitions such as a pushbutton depression on a panel.
Table 19 Fast logic category function block types
Block Type Description Graphic Form
DI
Digital Input - Provides the digital status of a digital input.
The output states may be inverted.
DO Digital Output - Directs a digital status to a physical logic
output. The output status may be inverted.
8DI Eight Digital Inputs - Provides read access for up to 8
physical digital inputs. It minimizes the number of blocks
required to configure all of the Digital I/O required in a
system. The output states may be inverted.
8DO
Eight Digital Outputs - Provides write access to any physical
digital output. It minimizes the number of blocks required to
configure all of the Digital I/O required in a system. It provides
a digital status from the algorithms and functions to physical
logic output hardware. Each block output requires a module
and channel number during configuration. The output status
may be inverted.