On 4/24/23 13:12, Greg Troxel wrote:
gene heskett <ghesk...@shentel.net> writes:
Jim, would an upgrade to the install on my rpi4b running a medium
sized 80+ yo lathe give me better control over a:
device.mfr: CPS
device.model: CP625HGa
device.type: ups
driver.name: usbhid-ups
driver.parameter.offdelay: 120
where that offdelay seems hard coded. The 625WA rating could run that
pi for t least an hour, but it chops it off in 2 minutes.
currently running 2.7.4 on raspios buster.
I think nut only works with lathes made after 1969 :-)
But seriously, a lot has been fixed/added since 2.7.4.
nut-2.7.4 on the pi looks like it must have been from a gzip, so its not
precious.
So how about the rest of a git clone commandline for the latest? My pi
can build it and keep it up to date then as it has a complete build
system on it, builds its own pre-emt-realtime kernels AND linuxcnc.
As I understand it, offdelay is about the time delta from telling the
ups to shut down until it kills power, so the OS can sync disks. I have
a 90s UPS with a 10s delay and nut does not try to shut down until I get
a lowbattery indication, so I get 30 minutes of runtime with graceful
stop, vs maybe 40-something without nut to empty/hard-off.
Is your UPS shutting down without nut telling it to?
.
Cheers, Gene Heskett.
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/>
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