The following table describes the attributes used by the 2 Pipe 2 Position Valve modules.
|
Name |
Type |
Description |
Default Value |
|---|---|---|---|
|
CLG-ABSEFFORT (Cooling Absolute EWMA Effort) |
Provides an EWMA based on the absolute value of (Current Present Value - Last Present Value). The PID computes this value. |
0.0 Display Units: % |
|
|
CLG-ABSERROR (Cooling Absolute EWMA Error) |
Provides an EWMA based on the absolute value of (Cooling Setpoint - Process Variable). The PID computes this value. |
0.0 Display Units: °C, °F |
|
|
CLG-ERROR (Cooling EWMA Error) |
Provides an EWMA based on the difference of (Cooling Setpoint - Process Variable). The PID computes this value. |
0.0 Display Units: °C, °F |
|
|
CLG-EWMA (Cooling EWMA Present Value) |
Provides an EWMA of the Present Value. The PID computes this value. |
0.0 Display Units: % |
|
|
CLG-O (Cooling Percent Cmd) |
V |
Controls the single actuator when SummerWinter is set to Summer. |
Display Units: % |
|
Control Band |
V |
Control band for the MSC. |
Display Units: °C, °F |
|
Cooling Control Status |
V |
Current saturation status of the controller when SummerWinter is set to Summer. |
Overridden Set Name: Control Status |
|
Cooling Mode |
Contains the cooling mode requested by State Selection. |
Off Set Name: COM Valve Out |
|
|
Cooling Setpoint |
Contains the desired cooling setpoint to which the process variable should be controlled when the cooling mode is set to Control. |
23 °C, 74 °F |
|
|
Eff Process Time Const |
V |
Effective process time constant used by the MSC. |
Display Units: Seconds |
|
Eff Process Variable |
V |
Contains the Process Variable used by the MSC. |
Display Units: °C, °F |
|
Failsoft Cooling Value |
Value of the output when the cooling mode is set to Failsoft. |
0.0% |
|
|
Failsoft Heating Value |
Value of the output when the heating mode is set to Failsoft. |
0.0% |
|
|
HC-MINOFF (Eff Minimum Off Time) |
V |
Minimum off time to be used by the MSC. |
Display Units: Seconds |
|
HC-MINON (Eff Minimum On Time) |
V |
Minimum on time used by the MSC. |
Display Units: Seconds |
|
HC-OUTSTATE (State) |
G, V |
Current operational state of the output controller. |
Set Name: FC 2or4-Pipe Out State |
|
Heating Control Status |
V |
Current saturation status of the controller when SummerWinter is set to Winter. |
Overridden Set Name: Control Status |
|
Heating Mode |
Contains the heating mode requested by State Selection. |
Off Set Name: COM Valve Out |
|
|
Heating Setpoint |
Contains the desired heating setpoint to which the process variable should be controlled when the heating mode is set to Control. |
21 °C, 70 °F |
|
|
HTG-ABSEFFORT (Heating Absolute EWMA Effort) |
Provides an EWMA based on the absolute value of (Current Present Value - Last Present Value). The PID computes this value. |
0.0 Display Units: % |
|
|
HTG-ABSERROR (Heating Absolute EWMA Error) |
Provides an EWMA based on the absolute value of (Heating Setpoint - Process Variable). The PID computes this value. |
0.0 Display Units: °C, °F |
|
|
HTG-ERROR (Heating EWMA Error) |
Provides an EWMA based on the difference of (Heating Setpoint - Process Variable). The PID computes this value. |
0.0 Display Units: °C, °F |
|
|
HTG-EWMA (Heating EWMA Present Value) |
Provides an EWMA of the Present Value. The PID computes this value. |
0.0 Display Units: % |
|
|
HTG-O (Heating Percent Cmd) |
V |
Controls the single actuator when SummerWinter is set to Winter. |
Display Units: % |
|
Limited Max Position |
Specifies that when the cooling or heating mode are set to Limited Max, this is the value the Percent Cmd is set to. |
100.0% |
|
|
Output Overridden |
Indicates when the actual output controlled by this output is overridden by a user. |
False |
|
|
Output Position |
Provides the current Present Value of the output that this controller drives. |
0% |
|
|
Percent Cmd |
V |
Indicates the current capacity requested by either the Cooling Percent Cmd or the Heating Percent Cmd. |
Display Units: % |
|
PID Tuning Reset |
Causes the PID objects to reset their tuning parameters to the default based on the appropriate Process ID. |
Normal Set Name: PID Tuning Reset |
|
|
PMAC Period |
V |
Contains the period used by the PMAC algorithm portion of the MSC. |
Display Units: Seconds |
|
Process Units |
Specifies the units for the PID. For this particular module, °C and °F are the only two valid values. |
°C, °F Set Name: Unit |
|
|
Process Variable |
Indicates the variable that is to be controlled. This input typically is connected to the Zone Temperature. |
22 °C, 72 °F |
|
|
SummerWinter |
Specifies whether the supply is currently configured to deliver cooling (Summer) or heating (Winter). |
WinterSet Name: Summer/Winter |