BAC_AC_ExtAFan1st_01
Application
The call template BAC_AC_ExtAFan1st_01 is used to control a single-stage extract air fan.
The main tasks of the template are:
- extract air fan control
- Differential pressure monitoring
Interface
Plant diagram 01

Plant diagram 02

Block diagram

VAR_INPUT
udiPltStp : UDINT;
udiOpMod : UDINT;
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 | ||
---|---|---|---|---|
DiffPrssMonit | Subtemplate differential pressure monitoring via differential pressure switch | |||
Mot | Subtemplate control of a single-stage motor including motor logic. | |||
OpModSfty | The multiplexer defines the safety priority for the control of the extractair fan Mot, based on the plant operation mode udiOpMod | |||
|
| udiOpMod | Enable | |
OPMOD_AC_SMEXTTPRG | Smoke extraction program | TRUE | ||
OPMOD_AC_SMEXTTSUA | Smoke extraction inlet air | FALSE | ||
OPMOD_AC_SMEXTTEXHA | Smoke extraction exhaust air | TRUE | ||
OPMOD_AC_FIRE | Fire | FALSE | ||
OpModDst | The multiplexer defines the fault priority for the control of the extractair fan Mot, based on the plant operation mode udiOpMod | |||
udiOpMod | Enable | |||
OPMOD_AC_FORCVENT | Forced ventilation | TRUE | ||
OPMOD_AC_EMERG | emergency | FALSE | ||
OPMOD_AC_FRST | Frost | FALSE | ||
OPMOD_AC_CENTSWIOFF | Central shutdown | FALSE | ||
OPMOD_AC_ALM | Fault/alarm | FALSE | ||
| AND | The result of the network is enable for the extractair fan, based on the plant steps udiPltStp | ||
| OR | The result of the OR operation is enable of the fault priority of template Mot. |
Version history
Version number | Comments |
---|---|
1.0.1 | First release |