Trane LonWorks TR200 - Network Timer Functions

Max. Send Time (Heartbeat)
Variable
name:
SNVT
type:
Default value: Min value: Max value:
nciMaxStsSendT SNVT_elapsed_tm 00:0:0:0 00:0:0:0 017:59:59:999
This variable configures a timer to send the nvoStatus object but only if bound to an input variable.
Maximum is '0 17:59:59:999' (0 days, 17 hours, 59 minutes, 59 seconds and 999 milliseconds).
Setting the timer to '0 0:0:0:0' disables it.
Network timer functions monitor node presence and control behavior in the event of network problems occur-
ring.
Network Timer Functions
Control Word Timeout Function
par.8-03 Control Timeout Time and par.8-04 Control Timeout Function provide a means for the adjustable fre-
quency drive 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).
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
Min. Send Time (Inhibit Timer)
Variable
name:
SNVT
type:
Default value: Min value: Max value:
nciMinSendT SNVT_elapsed_tm 00:0:0:500 0 0:0:0:100 0 0:01:05:535
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.
Configuration of the system
TR200 LonWorks 5-23