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Option Name
Description
Same as option
[3] Option A
. The reference is transferred faster and without jitter, which ensures more
stability and dynamic control. Moreover, all other references are ignored, which means that the drive
is controlled by the A-option reference only.
[37]
Option C0 fast
N O T I C E
This option is only available in FC 302.
Same as option
[5] Option C0.
The reference is transferred faster and without jitter, which ensures
more stability and dynamic control. Moreover, all other references are ignored, which means that the
drive is controlled by the C-option reference only.
Parameter 8-03 Control Word Timeout Time
Table 497: 8-03 Control Word Timeout Time
8-03 Control Word Timeout Time
Default value: 1 s
Parameter type: Range, 0.1 - 18000 s
Setup: 1 setup
Conversion index: -1
Data type: Uint32
Change during operation: True
Enter the maximum time expected to pass between the reception of 2 consecutive telegrams. If this time is exceeded, it indicates
that the serial communication has stopped. The function selected in
parameter 8-04 Control Word Timeout Function
is then carried
out. A valid control word triggers the timeout counter.
Parameter 8-04 Control Word Timeout Function
Table 498: Parameter 8-04 Control Word Timeout Function
8-04 Control Word Timeout Function
Default value: Size related
Parameter type: Option
Setup: 1 setup
Conversion index: –
Data type: Uint8
Change during operation: True
Select the timeout function. The timeout function activates when the control word fails to be updated within the time period speci-
fied in
parameter 8-03 Control Word Timeout Time
.
N O T I C E
To change the setup after a timeout, configure as follows:
1. Set
parameter 0-10 Active Set-up
to
[9] Multi setup
.
2. Select the relevant link in
parameter 0-12 This Set-up Linked to
.
Option Name
Description
[0]
Off
Resumes control via fieldbus (fieldbus or standard), using the most recent control word.
[1]
Freeze output
Freezes output frequency until communication resumes.
[2]
Stop
Stops with auto restart when communication resumes.
[3]
Jogging
Runs the motor at jog frequency until communication resumes.
[4]
Max. speed
Runs the motor at maximum frequency until communication resumes.
[5]
Stop and trip
Stops the motor, then resets the drive to restart:
AU275636650261en-000101 / 130R0334
272 | Danfoss A/S © 2022.12
Parameter Descriptions
VLT AutomationDrive FC 301/302
Programming Guide