This statement creates a sequence from one to three analog outputs depending on an analog input. The Sequence statement divides a control signal into up to three output signals.
Fig. 242. Parameters configuration dialog
Use the following procedure to create characteristic curves for each desired output “Out Y1” through “Out Y3”. For creating a characteristic for
A PIDPlus output can be an input to a Sequence statement that controls three functions (heating, energy recovery and cooling):
Fig. 243. Reverse acting application example
The output of the PIDPlus controller will be in a range of 100% to 0% when the measured value changes are in a Range of 18 to 22 °C when the P-band of eth PID controller is set to 4 K.
Fig. 244. Reverse acting application sequences
Set the parameters is as show in the next picture.
Fig. 245. Reverse acting application parameter setting
This example uses switches the connection of the setpoint and measured value to make it direct acting:
Fig. 246. Direct acting application example
The output of the PIDPlus controller will be in a range of 0% to 100% when the measured value changes are in a Range of 18 to 22 °C when the P-band of eth PID controller is set to 4 K.
:
Fig. 247. Direct acting application sequences
Set the parameters is as show in the next picture.
Fig. 248. Direct acting application parameter setting
This example shows a heating control loop with a setpoint with winter compensation.
This setpoint with outside air temperature reset is shown in the next picture:
Fig. 249. Compensated setpoint sequences
The control loop example using the CARE dHAVC palette is shown in the next picture:
Fig. 250. Compensated setpoint application example
Set the parameters is as show in the next picture.
Fig. 251. Compensated setpoint parameter setting
Use the Ramp function to generate negative values.
Fig. 252. Wire-sheet Icon
Fig. 253. Property Sheet
Fig. 254. Slot Sheet
Table 148. Inputs
Inputs |
Type |
Functional description |
In Seq |
numeric |
Input value |
In Enabled |
boolean |
If the input “In Enabled” is set to false disabled in the slot sheet, the output “Out” will be disabled and is set to the value “0”. |
Table 149. Outputs
Outputs |
Type |
Functional description |
Out Y1 |
numeric |
Sequence Y1 output (heating) |
Out Y2 |
numeric |
Sequence Y2 output (mixing dampers; energy recovery) |
Out Y3 |
numeric |
Sequence Y1 output (cooling) |
Table 150. Parameter List
Description |
Value Range |
Default Value |
Unit |
P1 Xmax |
-∞...∞ |
100 |
- |
P2 Xa1 X value a1 of sequence Y1 |
-∞...∞ |
0 |
- |
P3 Ya1 Y value a1 of sequence Y1 |
-∞...∞ |
0 |
- |
P4 Xb1 X value b1 of sequence Y1 |
-∞...∞ |
100 |
- |
P5 Yb1 Y value b1 of sequence Y1 |
-∞...∞ |
100 |
- |
P6 Xa2 X value a2 of sequence Y2 |
-∞...∞ |
0 |
- |
P7 Ya2 Y value a2 of sequence Y2 |
-∞...∞ |
0 |
- |
P8 Xb2 X value b2 of sequence Y2 |
-∞...∞ |
100 |
- |
P9 Yb2 Y value b2 of sequence Y2 |
-∞...∞ |
100 |
- |
P10 Xa3 X value a3 of sequence Y3 |
-∞...∞ |
0 |
- |
P11 Ya3 Y value a3 of sequence Y3 |
-∞...∞ |
0 |
- |
P12 Xb3 X value b3 of sequence Y3 |
-∞...∞ |
100 |
- |
P13 Yb3 Y value b3 of sequence Y3 |
-∞...∞ |
100 |
- |