[Fdp22] Fire damper, open/close function & 2 BI for feedback only

Program block, name / node subtype: [Fdp22] Fire damper, open/close function & 2 BI for feedback only

Library hierarchy: Ventilation and air conditioning equipment

Family: Fdp

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Configurator

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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

Monitors a fire damper with open/close function with mandatory feedback signal for the opened position and optional feedback signal for the closed position and fault alarm.

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This program block is mainly used in FdpGrp21.

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The opening and closing time can be parameterized in the program.

This program block has the following optional functions:

Option: Fault (1xBI)

Reads a fault contact and generates an alarm.

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This option is mainly used for dampers with actuators that are integrated over bus, e.g., Modbus.

Option: Feedback closed (1xBI)

Reads the end switch of the actuator for the closed position of the damper.

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The program logic reads the binary command, considers the opening and the closing time, compares the signals from the end switches of the actuator from the option "Feedback opened" and/or "Feedback closed" to the command and can generate two alarms (binary calculated values): "Position monitoring (Opened)" and "Position monitoring (Closed)". If "Position monitoring (Opened)" is in alarm, the air handling unit stops.

Mandatory elements

Name

Description

Type

Alarm / Notification class

Trend / Type

FbOpnd

Feedback opened

BI: Binary input

No

No

PosMon (Clsd)

Position monitoring (Closed)

BCalcVal: Binary calculated value

Yes, 4

No

PosMon (Opnd)

Position monitoring (Opened)

BCalcVal: Binary calculated value

Yes, 4

No

Optional elements

Name

Description

Type

Alarm / Notification class

Trend / Type

FbClsd

Feedback closed

BI: Binary input

No

No

Flt

Fault

BI: Binary input

Yes, 4

No