Micromod Micro-DCI: 53SL5100A Single Loop Controller Manual do Utilizador Página 86

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Single Loop Process Controller Instruction Manual
78 Ratio PID Controller
Table 7-1. Ratio (PID) Controller Pushbutton Functions
Button Title Operator Mode Engineering Mode
R/L
Ratio/Local Select R indicates Ratio control whereby
the controller maintains a set
proportion between the wild variable
line and the controlled variable line.
When in Ratio, an R appears in the
lower right of the display. When in
Local, an L appears in the lower right
of the display.
Ratio / Setpoint
Increase
(EMODE Character
Select)
The ratio / setpoint indicator
increases (rises) when this
pushbutton is pressed and held.
Release the pushbutton when the
desired level is reached.
For configure or display functions,
the character set displays one
character at a time in ascending
alphanumeric order when this
pushbutton is pressed and held.
Release the pushbutton when the
desired character, number, or
symbol appears.
Ratio / Setpoint
Decrease
(EMODE Character
Select)
The ratio / setpoint indicator
decreases (falls) when this
pushbutton is pressed and held.
Release the pushbutton when the
desired level is reached.
For configure or display functions,
the character set displays one
character at a time in decending
alphanumeric order when this
pushbutton is pressed and held.
Release the pushbutton when the
desired character, number, or
symbol appears.
A/M
Auto/Manual Select This pushbutton is the Auto/Manual
mode toggle.
When toggled to Auto, an A appears
before the R or L (for Ratio or Local),
in the lower right of the display.
When toggled to Manual, an M
appears before the R or L (for Ratio
or Local), in the lower right of the
display.
Auto indicates the process is under
instrument control.
Manual indicates the process is
controlled by the instrument panel
push buttons (e.g., output increase
and decrease).
Output Decrease
(EMODE Cursor
Control)
The output indicator decreases when
this pushbutton is pressed and held.
Release the pushbutton when the
desired output level is reached. This
pushbutton is for Manual operation
only.
For configure or display functions,
the cursor shifts one position to the
left each time this pushbutton is
pressed. When pressed and held,
characters continue to shift left one
position at a time. Maximum
character length is 10 characters (9
character shifts).
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