Citeren Alexander Todorov <atodo...@otb.bg>:
# 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.
You'll see in the above output that your UPS doesn't report battery
charge. The blazer_usb driver can attempt to guestimate the charge
remaining (see 'man 8 blazer'), but since the UPS doesn't report the
load either, this will not be nearly good enough to base a decision to
shutdown on. We really have no reliable means to determine charge
remaining if the UPS is not providing us with the necessary
measurement values.
You'll have to rely on the UPS to warn about a low battery well before
it is actually empty to shutdown. If this is not what you want, buy a
different UPS that is smart enough to keep track of the charge
remaining without the help of a NUT driver. It will invariably also
support changing the value at which it decides when the battery is low.
Best regards, Arjen
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