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VLT® HVAC Drive FC 131
Programming Guide
If setting the command [11] Start Reversing on a digital input terminal in parameter 5-10 Terminal 18 Digital Input, the drive under-
stands this command as a reversing command.
24-00 FM Function
Default value: [0] Disabled
Conversion index: -
Select the function to be preformed when entering fire mode.
In fire mode, alarms are produced or ignored in accordance with the selection in parameter 24-09 FM Alarm Handling.
Table 413: Option:
[0]
Disabled
Fire mode function is not active.
[1]
Forward with
In this mode, the motor continues to operate in a clockwise direction. The reference is from parameter
Single-Ref
24-05 FM Preset Reference.
[2]
Reverse with
In this mode, the motor continues to operate in a counterclockwise direction. The reference is from pa-
Single-Ref
rameter 24-05 FM Preset Reference.
[3]
Coast
While this mode is selected, the output is disabled, and the motor is allowed to coast to stop. When pa-
rameter 24-01 Fire Mode Configuration is set to [3] Closed Loop, this mode cannot be selected.
[4]
Fwd/Rev with
In this mode, the motor operates in a clockwise direction. When receiving a reversing signal, the motor
Single-Ref
operates in counterclockwise direction. If parameter 24-01 Fire Mode Configuration is set to [3] Closed
Loop, the motor cannot operate in counterclockwise direction. The reference is from parameter 24-05 FM
Preset Reference.
[5]
Forward with
In this mode, the motor continues to operate in a clockwise direction. The reference is from parameter
Multi-Ref
24-08 Mul FM Preset Reference.
[6]
Reverse with
In this mode, the motor continues to operate in a counterclockwise direction. The reference is from pa-
Multi-Ref
rameter 24-08 Mul FM Preset Reference.
[7]
Fwd/Rev with
In this mode, the motor operates in a clockwise direction. When receiving a reversing signal, the motor
Multi-Ref
operates in counterclockwise direction. If parameter 24-01 Fire Mode Configuration is set to [3] Closed
Loop, the motor cannot operate in counterclockwise direction. The reference is from parameter 24-08 Mul
FM Preset Reference.
24-01 Fire Mode Configuration
Default value: [0] Open Loop
Conversion index: -
Select to use closed-loop or open-loop operations.
Table 414: Option:
[0]
Open Loop
Select open-loop operation.
[3]
Process
Closed
Loop
When set to [3] Process Closed Loop, the commands Reversing and Start Reversing do not reverse the direc-
tion of the motor.
Danfoss A/S © 2022.05
N O T I C E
Parameter type: Option
Data type: u_int8
N O T I C E
Parameter type: Option
Data type: u_int8
N O T I C E
2-setup: 1 setup
Change during operation: True
2-setup: All setups
Change during operation: True
AU370727746889en-000101 / 130R0994 | 171
Parameters
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