On 6/28/20 4:25 AM, Scott Colby wrote:
Hello,

I am having difficulty using NUT to shut down my Netgate SG-1100
(a pfSense router) when the power level of the UPS gets critically
low.

Here is some relevant information:
- OS: pfSense 2.4.5-RELEASE-p1 (FreeBSD 11.3-STABLE)
- NUT version: 2.7.4
- Installed from: pfSense package 2.7.4_7
- UPS: AVR750U (Device release number 2)
- I have included my config files, output from `upsc`, and output
from running the driver in debug mode at the bottom of this message.

To get this UPS to work with NUT, I had to create a custom devd
rule:
# cat /usr/local/etc/devd/nut-usb-custom.conf
notify 100 {
         match "system"          "USB";
         match "subsystem"       "DEVICE";
         match "type"            "ATTACH";
         match "vendor"          "0x09ae";
         match "product"         "0x3024";  # difference from default config 
here
         action "chgrp uucp /dev/$cdev; chmod g+rw /dev/$cdev";
};
It seems like my particular AVR750U has a different product id than
the one that came in the package at /usr/local/etc/nut-usb.conf,
which has a similar rule entry but with product id 0x1007. I'm not
sure if this is a package maintainer issue or a NUT isue.

Manufacturers change product IDs over time. Both nut as product and the various packages shipped by unix distributions need to adjust according to those changes




I unplugged the UPS from the mains power and let it run down. The
battery level and time remaining numbers seemed to update correctly
during this, but when the battery got down to 1% and showed less
than one minute of time remaining, NUT still hadn't shut down the
device--I chickened out and plugged it back in. Following the advice
from usbhid-ups(8), I ran `upsmon -c fsd` which properly brought
the system down but did not power cycle the UPS.

I am a little unclear on what actually causes NUT to issue the
shutdown command. I've read something about the "low power flag:"
is that something that the UPS decides on?

Indeed, the UPS sends a specific flag ( LB == low battery ) when it believes that the battery is depleted below a specific level. How nut behaves depends on the actual configuration, as a few other variables are also taken into account.



Have I made a configuration error?

yes, I think that you did a small error. see below


Do I need to set some configuration
on the UPS with `upsrw` or something? Do I need to use Tripp Lite's
Windows software to configure something before using it with NUT?
Is this a new version of the AVR750U that's not compatible yet with
NUT?

no, no and no.



Thank you for your attention to my questions,
Scott


# cat nut.conf
MODE=none

According to the documentation included in the nut.conf file ( at least in linux.. ), you should change this line to

     MODE=standalone

because "none" means nut is not yet configured and prohibits it from even starting . You can of course use "netserver" instead if you plan to power down more servers that will talk with the one which is actually connected to the UPS. Do not forget to start the services after modifying the config file

Here is a quote from the content of that file from a linux box:

# The values of MODE can be:
# - none: NUT is not configured, or use the Integrated Power Management, or use #   some external system to startup NUT components. So nothing is to be started.
# - standalone: This mode address a local only configuration, with 1 UPS
#   protecting the local system. This implies to start the 3 NUT layers (driver, #   upsd and upsmon) and the matching configuration files. This mode can also
#   address UPS redundancy.
# - netserver: same as for the standalone configuration, but also need
#   some more network access controls (firewall, tcp-wrappers) and possibly a
#   specific LISTEN directive in upsd.conf.
#   Since this MODE is opened to the network, a special care should be applied
#   to security concerns.
# - netclient: this mode only requires upsmon




# cat ups.conf
[AVR750U]
driver=usbhid-ups
port=auto
productid=3024

# cat upsmon.conf
MONITOR AVR750U 1 local-monitor <password> master
SHUTDOWNCMD "/sbin/shutdown -p +0"
POWERDOWNFLAG /etc/killpower
NOTIFYCMD /usr/local/pkg/nut/nut_email.php
NOTIFYFLAG ONLINE   SYSLOG+WALL+EXEC
NOTIFYFLAG ONBATT   SYSLOG+WALL+EXEC
NOTIFYFLAG LOWBATT  SYSLOG+WALL+EXEC
NOTIFYFLAG FSD    SYSLOG+WALL+EXEC
NOTIFYFLAG COMMOK   SYSLOG+WALL+EXEC
NOTIFYFLAG COMMBAD  SYSLOG+WALL+EXEC
NOTIFYFLAG SHUTDOWN SYSLOG+WALL+EXEC
NOTIFYFLAG REPLBATT SYSLOG+WALL+EXEC
NOTIFYFLAG NOCOMM   SYSLOG+WALL+EXEC
NOTIFYFLAG NOPARENT SYSLOG+WALL+EXEC

# upsc AVR750U
battery.charge: 100
battery.charge.warning: 30
battery.runtime: 3649
battery.type: PbAc
battery.voltage: 0.0
battery.voltage.nominal: 12.0
device.mfr: Tripp Lite
device.model: AVR750U
device.serial: 2945CVLOM87C901526
device.type: ups
driver.name: usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.parameter.productid: 3024
driver.parameter.synchronous: no
driver.version: 2.7.4
driver.version.data: TrippLite HID 0.82
driver.version.internal: 0.41
input.frequency: 5990.0

This value is definitely incorrectly reported. Based on the voltages below I assume you are in USA and the displayed value could be an incorrectly scaled 59.9 Hz



input.transfer.high: 145.0
input.transfer.low: 89.0
input.voltage: 0.0
input.voltage.nominal: 120
output.current: 0.0
output.frequency: 5990.0

As above, I guess this should actually be 59.9 Hz


output.frequency.nominal: 60
output.voltage: 0.0
output.voltage.nominal: 120
ups.beeper.status: muted
ups.delay.shutdown: 20
ups.delay.start: 30
ups.load: 0
ups.mfr: Tripp Lite
ups.model: AVR750U
ups.power: 0.0
ups.power.nominal: 750
ups.productid: 3024
ups.serial: 2945CVLOM87C901526
ups.status: OL
ups.timer.reboot: 65535
ups.timer.shutdown: 65535
ups.timer.start: 65535
ups.vendorid: 09ae
ups.watchdog.status: 0

# /usr/local/libexec/nut/usbhid-ups -DD -a AVR750U
Network UPS Tools - Generic HID driver 0.41 (2.7.4)
USB communication driver 0.33
    0.000000     debug level is '2'
    0.001637     upsdrv_initups...
    0.002374     Checking device (09AE/3024) (/dev/usb//dev/ugen1.2)
    0.014968     - VendorID: 09ae
    0.015020     - ProductID: 3024
    0.015031     - Manufacturer: Tripp Lite
    0.015041     - Product: AVR750U
    0.015052     - Serial Number: 2945CVLOM87C901526
    0.015061     - Bus: /dev/usb
    0.015071     - Device release number: 0002
    0.015084     Trying to match device
    0.015265     Device matches
    0.016003     HID descriptor length 885
    0.020119     Report Descriptor size = 885
    0.021057     Using subdriver: TrippLite HID 0.82
    0.021116     87 HID objects found
    0.022059     Path: UPS.PowerSummary.iProduct, Type: Feature, ReportID: 
0x28, Offset: 0, Size: 8, Value: 1
    0.023013     Path: UPS.PowerSummary.iSerialNumber, Type: Feature, ReportID: 
0x29, Offset: 0, Size: 8, Value: 5
    0.024007     Path: UPS.PowerSummary.iManufacturer, Type: Feature, ReportID: 
0x2b, Offset: 0, Size: 8, Value: 3
    0.025006     Path: UPS.PowerSummary.Input.ConfigVoltage, Type: Feature, 
ReportID: 0x30, Offset: 0, Size: 8, Value: 120
    0.025997     Path: UPS.PowerSummary.Input.Voltage, Type: Feature, ReportID: 
0x31, Offset: 0, Size: 16, Value: 0.001233
    0.027006     Path: UPS.PowerSummary.AudibleAlarmControl, Type: Feature, 
ReportID: 0x11, Offset: 0, Size: 8, Value: 3
    0.027995     Path: UPS.PowerSummary.PresentStatus.InternalFailure, Type: 
Feature, ReportID: 0x32, Offset: 7, Size: 1, Value: 0
    0.028034     Path: UPS.PowerSummary.PresentStatus.InternalFailure, Type: 
Input, ReportID: 0x32, Offset: 7, Size: 1, Value: 0
    0.028059     Path: UPS.PowerSummary.PresentStatus.ShutdownImminent, Type: 
Feature, ReportID: 0x32, Offset: 9, Size: 1, Value: 0
    0.028084     Path: UPS.PowerSummary.PresentStatus.ShutdownImminent, Type: 
Input, ReportID: 0x32, Offset: 9, Size: 1, Value: 0
    0.028138     Path: UPS.PowerSummary.PresentStatus.ACPresent, Type: Input, 
ReportID: 0x32, Offset: 16, Size: 1, Value: 1
    0.028164     Path: UPS.PowerSummary.PresentStatus.ACPresent, Type: Feature, 
ReportID: 0x32, Offset: 16, Size: 1, Value: 1
    0.028188     Path: 
UPS.PowerSummary.PresentStatus.BelowRemainingCapacityLimit, Type: Input, 
ReportID: 0x32, Offset: 18, Size: 1, Value: 0
    0.028212     Path: UPS.PowerSummary.PresentStatus.FullyCharged, Type: 
Input, ReportID: 0x32, Offset: 19, Size: 1, Value: 1
    0.028237     Path: UPS.PowerSummary.PresentStatus.Charging, Type: Input, 
ReportID: 0x32, Offset: 20, Size: 1, Value: 0
    0.028262     Path: UPS.PowerSummary.PresentStatus.Discharging, Type: Input, 
ReportID: 0x32, Offset: 21, Size: 1, Value: 0
    0.028286     Path: UPS.PowerSummary.PresentStatus.FullyDischarged, Type: 
Input, ReportID: 0x32, Offset: 22, Size: 1, Value: 0
    0.028310     Path: UPS.PowerSummary.PresentStatus.NeedReplacement, Type: 
Input, ReportID: 0x32, Offset: 23, Size: 1, Value: 0
    0.028333     Path: 
UPS.PowerSummary.PresentStatus.BelowRemainingCapacityLimit, Type: Feature, 
ReportID: 0x32, Offset: 18, Size: 1, Value: 0
    0.028357     Path: UPS.PowerSummary.PresentStatus.FullyCharged, Type: 
Feature, ReportID: 0x32, Offset: 19, Size: 1, Value: 1
    0.028383     Path: UPS.PowerSummary.PresentStatus.Charging, Type: Feature, 
ReportID: 0x32, Offset: 20, Size: 1, Value: 0
    0.028407     Path: UPS.PowerSummary.PresentStatus.Discharging, Type: 
Feature, ReportID: 0x32, Offset: 21, Size: 1, Value: 0
    0.028430     Path: UPS.PowerSummary.PresentStatus.FullyDischarged, Type: 
Feature, ReportID: 0x32, Offset: 22, Size: 1, Value: 0
    0.028454     Path: UPS.PowerSummary.PresentStatus.NeedReplacement, Type: 
Feature, ReportID: 0x32, Offset: 23, Size: 1, Value: 0
    0.029017     Path: UPS.PowerSummary.iDeviceChemistry, Type: Feature, 
ReportID: 0x2a, Offset: 0, Size: 8, Value: 4
    0.030035     Path: UPS.PowerSummary.iOEMInformation, Type: Feature, 
ReportID: 0x62, Offset: 0, Size: 8, Value: 2
    0.030999     Path: UPS.PowerSummary.CapacityMode, Type: Feature, ReportID: 
0x33, Offset: 0, Size: 8, Value: 2
    0.031992     Path: UPS.PowerSummary.RemainingCapacity, Type: Input, 
ReportID: 0x34, Offset: 0, Size: 8, Value: 100
    0.032029     Path: UPS.PowerSummary.RemainingCapacity, Type: Feature, 
ReportID: 0x34, Offset: 0, Size: 8, Value: 100
    0.033026     Path: UPS.PowerSummary.FullChargeCapacity, Type: Feature, 
ReportID: 0x37, Offset: 0, Size: 8, Value: 100
    0.034014     Path: UPS.PowerSummary.DesignCapacity, Type: Feature, 
ReportID: 0x36, Offset: 0, Size: 8, Value: 100
    0.035013     Path: UPS.PowerSummary.WarningCapacityLimit, Type: Feature, 
ReportID: 0x38, Offset: 0, Size: 8, Value: 30
    0.035995     Path: UPS.PowerSummary.Rechargeable, Type: Feature, ReportID: 
0x2c, Offset: 0, Size: 8, Value: 1
    0.037002     Path: UPS.PowerSummary.RunTimeToEmpty, Type: Input, ReportID: 
0x35, Offset: 0, Size: 16, Value: 3650
    0.037045     Path: UPS.PowerSummary.RunTimeToEmpty, Type: Feature, 
ReportID: 0x35, Offset: 0, Size: 16, Value: 3650
    0.038032     Path: UPS.BatterySystem.Battery.ConfigVoltage, Type: Feature, 
ReportID: 0x04, Offset: 0, Size: 16, Value: 12
    0.038999     Path: UPS.BatterySystem.Battery.Voltage, Type: Feature, 
ReportID: 0x20, Offset: 0, Size: 16, Value: 0.000137
    0.040012     Path: 
UPS.BatterySystem.Battery.PresentStatus.BelowRemainingCapacityLimit, Type: 
Feature, ReportID: 0x23, Offset: 2, Size: 1, Value: 0
    0.040243     Path: UPS.BatterySystem.Battery.PresentStatus.FullyCharged, 
Type: Feature, ReportID: 0x23, Offset: 3, Size: 1, Value: 1
    0.040273     Path: UPS.BatterySystem.Battery.PresentStatus.Charging, Type: 
Feature, ReportID: 0x23, Offset: 4, Size: 1, Value: 0
    0.040298     Path: UPS.BatterySystem.Battery.PresentStatus.Discharging, 
Type: Feature, ReportID: 0x23, Offset: 5, Size: 1, Value: 0
    0.040321     Path: UPS.BatterySystem.Battery.PresentStatus.FullyDischarged, 
Type: Feature, ReportID: 0x23, Offset: 6, Size: 1, Value: 0
    0.040345     Path: UPS.BatterySystem.Battery.PresentStatus.NeedReplacement, 
Type: Feature, ReportID: 0x23, Offset: 7, Size: 1, Value: 0
    0.041012     Path: UPS.BatterySystem.Battery.RemainingCapacity, Type: 
Feature, ReportID: 0x21, Offset: 0, Size: 8, Value: 100
    0.042012     Path: UPS.BatterySystem.Battery.Test, Type: Feature, ReportID: 
0x10, Offset: 0, Size: 8, Value: 6
    0.043020     Path: UPS.Flow.ConfigVoltage, Type: Feature, ReportID: 0x01, 
Offset: 0, Size: 8, Value: 120
    0.044002     Path: UPS.Flow.ConfigFrequency, Type: Feature, ReportID: 0x02, 
Offset: 0, Size: 8, Value: 60
    0.045016     Path: UPS.Flow.ffff0097, Type: Feature, ReportID: 0x55, 
Offset: 0, Size: 8, Value: 2
    0.046012     Path: UPS.Flow.ConfigApparentPower, Type: Feature, ReportID: 
0x03, Offset: 0, Size: 16, Value: 750
    0.047000     Path: UPS.PowerConverter.Input.Voltage, Type: Feature, 
ReportID: 0x18, Offset: 0, Size: 16, Value: 0.001233
    0.048042     Path: UPS.PowerConverter.Input.Frequency, Type: Feature, 
ReportID: 0x19, Offset: 0, Size: 16, Value: 5990

So the UPS reports a frequency which nut should scale ...




    0.049011     Path: UPS.PowerConverter.Output.Voltage, Type: Feature, 
ReportID: 0x1b, Offset: 0, Size: 16, Value: 0.001233
    0.050013     Path: UPS.PowerConverter.Output.Frequency, Type: Feature, 
ReportID: 0x1c, Offset: 0, Size: 16, Value: 5990

Again , scaling error...



    0.050996     Path: UPS.PowerConverter.Output.Current, Type: Feature, 
ReportID: 0x46, Offset: 0, Size: 16, Value: 0
[...]
    0.083217     Path: UPS.PowerSummary.Input.ConfigVoltage, Type: Feature, 
ReportID: 0x30, Offset: 0, Size: 8, Value: 120
    0.083281     Path: UPS.PowerSummary.Input.Voltage, Type: Feature, ReportID: 
0x31, Offset: 0, Size: 16, Value: 0.001233
    0.083375     Path: UPS.PowerConverter.Input.Frequency, Type: Feature, 
ReportID: 0x19, Offset: 0, Size: 16, Value: 5990

and again...


    0.083451     Path: UPS.PowerConverter.Output.LowVoltageTransfer, Type: 
Feature, ReportID: 0x06, Offset: 0, Size: 16, Value: 89
    0.083579     Path: UPS.PowerConverter.Output.HighVoltageTransfer, Type: 
Feature, ReportID: 0x09, Offset: 0, Size: 16, Value: 145
    0.083698     Path: UPS.Flow.ConfigVoltage, Type: Feature, ReportID: 0x01, 
Offset: 0, Size: 8, Value: 120
    0.083761     Path: UPS.PowerConverter.Output.Voltage, Type: Feature, 
ReportID: 0x1b, Offset: 0, Size: 16, Value: 0.001233
    0.083847     Path: UPS.PowerConverter.Output.Current, Type: Feature, 
ReportID: 0x46, Offset: 0, Size: 16, Value: 0
    0.083909     Path: UPS.Flow.ConfigFrequency, Type: Feature, ReportID: 0x02, 
Offset: 0, Size: 8, Value: 60
    0.084153     Path: UPS.PowerConverter.Output.Frequency, Type: Feature, 
ReportID: 0x1c, Offset: 0, Size: 16, Value: 5990

and again


    wolfy



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