BAC_AC_ColT_01
Application
The template BAC_AC_ColT_01 is used for control of a cold water air cooler without dehumidification control.
The template BAC_AC_ColT_01 is a call template.
Within the call template the following subtemplates are called and linked with each other:
- ColTPID control of supply air temperature
- ColTPu control of the cooler pump
- ColTVlv control of an analog control valve
Interface
Plant diagram 01
Plant diagram 02
Block diagram
VAR_INPUT
rSuAT : REAL;
rSpCol : REAL;
udiPltStp : UDINT;
udiOpMod : UDINT;
rSuAT: Measured value of the supply air temperature
rSpCol: Set value for the supply air temperature
udiPltStp: Plant start sequence steps. The plant steps are generated in the system start program BAC_AC_StartT_01.
udiOpMod: Plant operation mode. The plant operation mode is determined in the mode selection programBAC_AC_OpMod_01.
Program description
Instance | Type | Task |
|---|---|---|
PID | Sub template including PID sequence controller for supply air temperature control. | |
Vlv | Sub template for controlling an analog valve | |
Pu | Sub template for controlling a single-stage pump |
Version history
Version number | Comments |
|---|---|
1.0.1 | First release |