User`s guide

Function Blocks
Function Block Categories and Types
58 UMC800 Control Builder User’s Guide Release E
1/01
Block Type Description Graphic Form
ONOFF ON/OFF Output - Control for ON/OFF application. The output
is either On (100%) or Off (0%) with deadband selection.
CARB
Carbon Potential - A combined Carbon Potential and PID
algorithm calculation to control Carbon Potential of furnace
atmospheres based on a Zirconia probe input.
LPSW Loop Switch - Digital interface to control loops to initiate
Autotuning, change control action, force bumpless transfer,
select tuning set #1 or set#2. Connects to PID, ON/OFF,
CARB, or TPSC block switch input.
MDSW Mode Switch - Digital interface to control loops to select
automatic or manual modes and/or local or remote setpoint.
Connect to PID, ON/OFF, CARB, or TPSC mode block input.