An Xlogic implementation of a PID controller.
Description
Triggers the PID control loop of the provided control item. The XCommand has to be invoked every ta seconds (i.e. the controller interval).
Inputs
Name | Type | Mandatory/Optional | Description |
|---|---|---|---|
| actual | ItemID | M | The item that provides the current value |
| setpoint | ItemID | M | The item that provides the set point |
| control | ItemID | M | The item that is used to write the control value |
Outputs
None
Parameters
Name | Type | Mandatory/Optional | Description |
|---|---|---|---|
| Kp | number | M | The proportional gain of the controller |
| Ki | number | M | The integral gain of the controller (Ki = Kp/ti) |
| Kd | number | M | The derivative gain of the controller (Kd = Kp*td) |
| esumMin | number | M | The minimum of the error sum |
| esumMax | number | M | The maximum of the error sum |
| minValue | number | M | The minimum value of the control value |
| maxValue | number | M | The maximum value of the control value |
Possible trigger types
Timer
Article applies to the following products:
- NETx BMS Platform R2 Build 1000+
- NETx Multi Protocol Server R2 Build 1000+