[Nut-upsuser] Power Walker VI 2000 LCD

Alexander Todorov atodorov at otb.bg
Tue Dec 21 13:53:47 UTC 2010

На 21.12.2010 13:39, Arnaud Quette написа:
>> What does (megatec_usb-powerwalker): No such file or directory mean? Which
>> directory is this?
> this is the communication socket between the driver and upsd (the server).

Hi Arnaud,
thanks for the explanation. Is the missing directory a bug or this is indication 
that the incorrect driver was used?

> first, can you try with blazer_usb, since it's set to replace megatec.
> Next, after having stopped NUT, launch the following (as root):
> $ /path/to/blazer_usb -DDD -a  powerwalker

I tried blazer_usb instead of megatec_usb and things now seem to work. I get 
messages on the console when the UPS goes on battery or when on AC power.

FYI (now on battery):
# upsc powerwalker
battery.voltage: 24.60
battery.voltage.nominal: 24.0
beeper.status: enabled
device.type: ups
driver.name: blazer_usb
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.parameter.vendorid: 0665
driver.version: 2.4.3
driver.version.internal: 0.03
input.current.nominal: 9.0
input.frequency: 50.1
input.frequency.nominal: 50
input.voltage: 3.4
input.voltage.fault: 3.9
input.voltage.nominal: 220
output.voltage: 221.0
ups.delay.shutdown: 30
ups.delay.start: 180
ups.load: 0
ups.productid: 5161
ups.status: OB
ups.type: offline / line interactive
ups.vendorid: 0665

I have an additional question though. According to the docs NUT will execute the 
SHUTDOWNCMD when the battery level becomes low/critical.

Is there a way to configure when the battery level is considered low? For 
example - shut down when battery reaches 50% of its charge.


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