Danfoss VLT AutomationDrive FC 301 Programming Manual page 186

Parameter Descriptions
8-04 Control Word Timeout Function
Select the timeout function. The timeout function activates when
the control word fails to be updated within the time period
specified in parameter 8-03 Control Word Timeout Time.
Option:
3 3
[0] Off
[1] Freeze output
[2] Stop
[3] Jogging
[4] Max. speed
[5] Stop and trip
[6] Qstop and trip
[7] Select setup 1
184
®
VLT AutomationDrive FC 301/302
Function:
NOTICE
To change the set-up after a
timeout, configure as follows:
1. Set
parameter 0-10 Active
Set-up to [9] Multi set-
up.
2. Select the relevant
link in
parameter 0-12 This
Set-up Linked to.
Resumes control via fieldbus
(fieldbus or standard), using the
most recent control word.
Freezes output frequency until
communication resumes.
Stops with auto restart when
communication resumes.
Runs the motor at jog frequency
until communication resumes.
Runs the motor at maximum
frequency until communication
resumes.
Stops the motor, then resets the
frequency converter to restart:
•
Via the fieldbus.
•
Via [Reset].
•
Via a digital input.
NOTICE
This option is available only
with software version 48.XX.
Stops the motor with the quick
stop ramp (parameter 3-81 Quick
Stop Ramp Time). Perform a reset to
restart the frequency converter.
Changes the set-up after a control
word timeout. If communication
resumes after a timeout,
parameter 8-05 End-of-Timeout
Function either resumes the set-up
used before the timeout, or retains
the set-up endorsed by the timeout
function.
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8-04 Control Word Timeout Function
Select the timeout function. The timeout function activates when
the control word fails to be updated within the time period
specified in parameter 8-03 Control Word Timeout Time.
Option: Function:
[8] Select setup 2 See [7] Select set-up 1.
[9] Select setup 3 See [7] Select set-up 1.
[10] Select setup 4 See [7] Select set-up 1.
[26] Trip
8-05 End-of-Timeout Function
Select the action after receiving a valid control word following a
timeout.
This parameter is active only when parameter 8-04 Control Word
Timeout Function is set to:
•
[7] Set-up 1.
•
[8] Set-up 2.
•
[9] Set-up 3.
•
[10] Set-up 4.
Option: Function:
[0] Hold set-up Retains the set-up selected in
parameter 8-04 Control Word
Timeout Function and shows a
warning until parameter 8-06 Reset
Control Word Timeout toggles. Then
the frequency converter resumes its
original set-up.
[1] Resume set-up Resumes the set-up that was active
*
before the timeout.
8-06 Reset Control Word Timeout
This parameter is active only when [0] Hold set-up has been
selected in parameter 8-05 End-of-Timeout Function.
Option: Function:
[0] Do not reset Retains the setup specified in
*
parameter 8-04 Control Word
Timeout Function, following a
control word timeout.
[1] Do reset Restores the frequency converter to
the original setup following a
control word timeout. The
frequency converter resets and then
immediately reverts to the [0] Do
not reset setting.
8-07 Diagnosis Trigger
This parameter has no function for DeviceNet.
Option: Function:
[0] Disable
*
[1] Trigger on
alarms
M0013101