Network Timer Functions - Danfoss VLT FC 100 Manual

5. Configuration of the system
Network timer functions monitor node presence and control behaviour in the event of network
problems occurring.

5.8. Network Timer Functions

5.8.1. Control Word Time-out Function
Parameter 8-03 Control Word Timeout Time and parameter 8-04 Control Word Timeout Function
provide a means for the frequency converter to control communication to a controller node.
If a valid control word has not been received within the time specified in par. 8-03, the action
specified in par. 8-04 will be performed. The default action is OFF (no action).
The range of par. 8-03 is: 0.1 to 18,000 seconds (or 5 hours).
5
An update of the control word is triggered by the following SNVT's:
• nviStartStop
• nviResetFault
• nviControlword
• nviDrvSpeedStpt
• nviRefPcnt
• nviRefHz
• nviFeedback 1,2,3
• nviSetPoint 1,2,3
5.8.2. Min. Send Time (Inhibit Timer)
Variable
name:
nciMinSendT
Variable used for limiting bus traffic by setting a minimum sending timer (inhibit timer).
Applies for all output variables.
Format: Days Hours:Minutes:Seconds:Milliseconds.
42
SNVT
Default value:
type:
SNVT_elapsed_tm 00:0:0:500
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VLT® FC 100 LonWorks
Min value: Max value:
0 0:0:0:100 0 0:01:05:535