[CenEmgHvac21] Central emergency HVAC, fire emergency

Program block, name / node subtype: [CenEmgHvac21] Central emergency HVAC, fire emergency

Library hierarchy: Coordination

Family: CenEmgHvac

Project tree

Diagram

Configurator

info

Program blocks are stored in the library without I/Os. Use the auto-create and auto-connect functions to create I/Os and/or to connect them to the interface blocks, e.g., R_A, CMD_B. Alternatively, take the I/Os from the folder containing the predefined I/Os in the library and/or from the plant and connect them to the interface blocks.

Function

Central emergency HVAC and fire emergency

Mandatory elements

Name

Description

Type

Alarm / Notification class

Trend / Type

FireDetCont

Fire detection contact

BI: Binary input

Yes, 4

No

PrGrpCmdSbElm

Present group command for subordinate elements

MCalcVal: Multistate calculated value

N/A

Yes, 4

PrGrpCmdPrio

Present group command priority

MCalcVal: Multistate calculated value

N/A

Yes, 4

CenEmgHvacMngr

Manager for central operation HVAC

GrpMaster: Group manager

N/A

N/A

Optional elements

Name

Description

Type

Alarm / Notification class

Trend / Type

SmextEh

Smoke extraction by exhaust air

BI: Binary input

Yes, 4

No

SmextSu

Smoke extraction by supply air

BI: Binary input

Yes, 4

No

Further options

Description

Group command for subordinate central functions

Group command for subordinate room controllers

Further information

The following diagram provides an overview of the options Group command for subordinate central functions (GrpCmdSbFnct) and Group command for subordinate room controllers (GrpCmdSbRCtr):

It is unlikely to have both options in parallel. There are two possible topologies:

Cascading of the central functions is necessary.

Cascading of the central functions is not necessary.