MANU Manual Mode

Lights when the auto/manual mode is set to manual

mode.

 

 

 

(Key)

Lights when the setting change protect is ON.

 

 

 

Understanding the Controller’s Parameters

Set- up Level

Operation

Adjustment

Parameter

Function

 

Can be set to “RUN” or “STOP.” When “RUN” is selected,

 

the control is running. When “STOP” is selected, the control

Run/Stop (r-S)

is stopped, and the Stop indicator lights. The default value is

“RUN.”

 

 

 

 

Can be set from –1999 to 9999. This parameter is used to

 

indicate how many degrees the process temperature will be

Alarm Value (AL-1)

allowed to exceed the set point temperature. An alarm output

 

will de-energize the heaters. The default value is 25.

 

Can be set to “ON” or “OFF.” This feature is used to

 

automatically set the optimum PID parameters “proportional

Auto-tune (At)

band,” “integral time” and “derivative time” for the set point

 

value by changing the variables that had been modified

 

previously. The default value is “OFF.”

 

 

 

Can be set from –199.9 to 999.9. This setting is used to offset

 

an error between the set point and the actual temperature. The

Temperature Input

entire input range is shifted by a set figure preprogrammed by

the operator. The default value is 0.

Shift (Tns)

 

 

 

 

Can be set from 0.1 to 999.9. This setting controls the amount

 

in which the manipulated variable (MV) is proportionate to

Proportional Band

the deviated value or controller error. The default value is 8.0.

 

(P)

 

 

 

 

Can be set from 0 to 3999. Setting this feature gives the

 

control an action that is proportionate to the time integral of

Integral Time (I)

the control error. By using this setting, proportional action is

 

used in combination with integral action to offset the control

 

error and the set point will begin to match the control

 

temperature (PV or process value). The default value is 233.

 

 

 

Can be set from 0 to 3999. Setting the derivative control

 

provides the controller with the ability to correct for a future

Derivative Time (d)

error in the previously set process output. The default value is

40.

 

 

 

10 CFM Compressed Air DryerChapter 2: Functional Description

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Sterling SCD 10 specifications Understanding the Controller’s Parameters, Parameter Function

SCD 10 specifications

The Sterling SCD 10 is a sophisticated digital aggregation and communication platform designed primarily for industrial applications. This innovative system provides a comprehensive set of features and technologies that revolutionize data management and communication across various sectors.

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