GE Masoneilan 12420 - 7.7.3. Controller Setup; 7.7.3.1. Controller Setup Range

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7.7.3. CONTROLLER SETUP
The Controller Setup tab enable to set all parameters related to the controller function: setpoint range and limits, PID
parameters, configuration date and alarms. Please consult the on-line help for further information.
7.7.3.1. Controller setup range
Low and High Setpoint Values
Desired lowest and highest controller setpoint values. These limits must be within 10% of
the Low and high Controller Alarm values.
Initial Setpoint Value
first controller setpoint value when the instrument is power up.
Setpoint Unit Use the pulldown to select the unit for use in the program. If the setpoint units do not
match the level units, the Ratio Control Activation automatically activates
Setpoint Tracking Click to enable setpoint tracking. When enabled, if the controller is changed from manual
mode to normal mode, the setpoint is set equal to the current process variable
Ratio Control Activation
Automatically activated when setpoint and level measurement do not have the same unit
or range. This feature enables the instrument to perform automatic calculations to
compensate.
Ratio Gain and Ration Bias (%)
These two parameters are automatically calculated to convert controller setpoint range
and units into level measurement range and units.
IMPORTANT
The Controller setup parameters can set by ValVue suit software only).