13.14. Hella Rotary Actuator Driver - HellaRotrActrDrvr

Id

HellaRotrActrDrvr

Version

main

Title

Hella Rotary Actuator Driver

System

Thermal

Document Type

Application Software Component Specification Preview

13.14.1. Overview

The HellaRotrActrDrvr software component is a driver for the Hella Rotor Actuator. It interfaces with the actuator over LIN to control the position of the HVAC recirculation door based on the requested recirculation mode. The component monitors status and error information from the actuator and reports any detected errors.

13.14.2. Functions

Title

Description

Control Recirculation Door Position

Commands the actuator to the target position corresponding to the requested HVAC recirculation mode (fresh air or recirculate). Scales the 0-100% request to the min/max position range of the actuator.

Monitor Actuator Status

Reads status information from the actuator over LIN, including current position feedback. Detects any error conditions reported by the actuator hardware.

13.14.3. Ports

Id

Direction

Data Type

Dimensions

Unit

Description

Keywords

1

OperEna

Incoming

boolean

[1]

Operation enable input flag

Operation Enable

2

HvacRclModReq

Incoming

single

[1]

%

Recirculation flap request input signal

Hvac Recirculation Mode Request

3

RclDoorFb

Incoming

Bus: LIN_GSA_Tx_Feedback_t

[1]

LIN Input signal from HELLA rotor flap servo (system software generated)

Recirculation Door Feedback

4

RclDoorFbVld

Incoming

boolean

[1]

Validity RclDoorFb input signal

Recirculation Door Feedback Valid

5

ErrDetd

Outgoing

boolean

[1]

Recirculation flap error detected output flag

Error Detected

6

ErrSts

Outgoing

Bus: HellaracActrSts

[-1]

Recirculation flap error status output bus (retranslated from LIN device)

Error Status

7

HvacRclDoorCmd

Outgoing

Bus: LIN_GSA_Rx_Command_t

[-1]

Recirculation flap command output bus (generated from LIN)

Hvac Recirculation Door Command

8

HvacRclDoorAct

Outgoing

single

[1]

%

Recirculation flap actual position output signal

Hvac Recirculation Door Actual

9

HvacRclDoorPinPwrDuty

Outgoing

uint8

[1]

%

Recirculation flap actual pin power duty output signal

Hvac Recirculation Door Pin Power Duty

10

HvacRclDoorPinPwrMod

Outgoing

Enum: InpoutPinMod

[1]

Recirculation flap power pin mode output signal

Hvac Recirculation Door Pin Power Mode

11

HvacRclDoorPinPwrPuMod

Outgoing

Enum: InpoutPinPuMod

[1]

Recirculation flap power pin pull mode output signal

Hvac Recirculation Door Pin Power Pull Mode

13.14.4. Parameters

Id

Data Type

Dimensions

Range

Unit

Description

Keywords

1

HellaracOpenDoorTarPosn

single

[1,1]

Min: 0, Max: 200

%

Max a difference betwen target position and current position

Hellarac Open Door Target Position

2

HellaracOutPosnMax

single

[1,1]

Min: 0, Max: 200

%

Maximum output position

Hellarac Output Position Maximum

3

HellaracOutPosnMin

single

[1,1]

Min: 0, Max: 200

%

Minimum output position

Hellarac Output Position Minimum

4

HellaracRclDoorTarPosn

single

[1,1]

Min: 0, Max: 200

%

Recirculation Door target position

Hellarac Recirculation Door Target Position

5

HellaracSdlEna

boolean

[1,1]

Min: , Max:

Shedule enable

Hellarac Scheduler Enable