BAC_AC_Humf_01
Application
The template BAC_AC_Humf_01 is used for controlling the humidifier.
The template BAC_AC_Humf_01 is a call template.
Within the call template the following sub templates are called and linked with each other:
- HumfPID Control of the absolute supply air humidity
- Steam Control of the steam generator
Interface
Plant diagram 01
Plant diagram 02
Block diagram
VAR_INPUT
rSuAX : REAL;
rSpHumf : REAL;
udiPltStp : UDINT;
udiOpMod : UDINT;
bDst : BOOL;
rSuAX: calculated value of the absolute supply air humidity. This value is generated in template BAC_AI_Enthalpy_01.
rSpDehumf: setpoint for the absolute supply air humidity
udiPltStp: plant start sequence steps. The plant steps are generated in the plant start program BAC_AC_StartTH_01.
udiOpMod: plant operation mode. The plant operation mode is determined in the mode selection programBAC_AC_OpMod_01.
bDst: input for an external humidifier fault, e.g. a hygrostat
Program description
Instance | Type | Task |
|---|---|---|
HumfPID | Subtemplate including PID sequence controller for absolute supply air humidity control. | |
HumfSteam | Subtemplate for controlling a steam generator |
Version history
Version number | Comments |
|---|---|
1.0.0.1 | First release |