Events Affecting Battery Life - SKF On-line System WVT User Manual

Events Affecting Battery Life

The following table summarizes some common events and their impact on the expected
life of the batteries in the SKF Multilog WVT.
Event (Cause)
High Impact
Battery powered SKF Multilog
WVT set as router in the WDM
web page. (Only line powered
devices should be used as
routers.)
Medium Impact
The user has the Property Panel
open for the SKF Multilog WVT or
one of its channels. The WDM
polls the device for all of the
dynamic attributes that are in the
open Property Panel.
The SKF Multilog WVT is on
active network search one day
before the network is switched
on.
The SKF Multilog WVT is on
active network search one week
before the network is switched
on.
The SKF Multilog WVT is on
active network search one month
before the network is switched
on.
Intermittent network connection
due to FDAP/WDM outage for 1
hour per day.
Low Impact
The user manually sets the
channel to Active before
DataController is available to
initialize the SKF Multilog WVT.
Therefore, the device does not
publish correctly.
SKF Multilog On-line System WVT
User Manual
Result
The battery gas gauge is
inaccurate under this condition.
The device will report the battery
level is well above zero but then
suddenly report critical battery
failure (<4.8V) and die.
If the browser focus is left set
over the weekend by mistake,
then the battery life is shortened
by 2.7 days
5 days of battery life lost
35 days of battery life lost
5 months of battery life lost
20% of battery life lost
The background network
maintenance current increases by
50%.
Hardware Overview
Events Affecting Battery Life
Actions
Do not use a battery powered
SKF Multilog WVT as a router.
Keep Channel Property Panel
closed when not in use.
Make sure the network is up
before switching on the SKF
Multilog WVT. Avoid extended
periods of network outage.
Make sure the network is up
before switching on the SKF
Multilog WVT. Avoid extended
periods of network outage.
Make sure the network is up
before switching on the SKF
Multilog WVT. Avoid extended
periods of network outage.
Minimize WDM outage.
Always allow DataController to
activate the channel
automatically.
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