Metrohm tiamo 2.4 (process analysis) - Manual (Page 1652)

7.20 IO controller
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tiamo 2.4 (for Process Analysis)
7.20.8.1.3 General - 2-point controller
The controller acts as a 2-point transfer element.
Behavior of the output
The control deviation represents the difference between setpoint value
and actual value.
7.20.8.1.4 Properties - 2-point controller
Dialog window Configuration ▶ Devices ▶ [Edit] ▶ Properties... ▶ Properties - 'De-
vice type' - 'Device name' ▶ Controller ▶ [Edit] ▶ Properties - 'Controller type'
Controlled variable
Selection of the controlled variable from all analog inputs or selection of a
calculated value.
Selection 'Port designation' | Calculated value
'Port designation'
All analog input ports can be selected.
0% Mapping
Measured value to be used when the Low level (0%) is applied as input
value.
Only editable for controlled variable = calculated value, otherwise
grayed out and not available for editing.
Input range -214,783,647.000 - 214,783,647.000
Default value 0 or controlled variable setting, respectively
100% Mapping
Measured value to be used when the High level (100%) is applied as
input value.
Only editable for controlled variable = calculated value, otherwise
grayed out and not available for editing.
Input range -214,783,647.000 - 214,783,647.000
Default value 100 or controlled variable setting, respec-
tively