[Nut-upsdev] New APC "SMT" UPSes support MODBUS, will there be support in NUT?

[Arnaud Quette]

Hello Ted,


2013/9/11 Ted Mittelstaedt <tedm at mittelstaedt.us>

> Hi All,
>
>   About a month ago APC announced they were including MODBUS protocol
> support in their new APC UPSes.  The technical note on this is here:
>
> http://www.apcmedia.com/**salestools/MPAO-98KJ7F/MPAO-**98KJ7F_R0_EN.pdf<http://www.apcmedia.com/salestools/MPAO-98KJ7F/MPAO-98KJ7F_R0_EN.pdf>
>
> "Application Note #176  Modbus Implementation in APC Smart-UPS"
>
> The APC "announcement" appeared on their site in their user blogs by an
> APC employee, here:
>
> http://forums.apc.com/thread/**5374?start=30&tstart=0<http://forums.apc.com/thread/5374?start=30&tstart=0>
>
> It states:  "we have recently released a firmware update for certain
> Smart-UPS SMT models (UPS 09.1)"
>
> APC made firmware updates to their SMT UPSes for this new protocol,
> which are referred to here:
>
> http://www.schneider-electric.**us/sites/us/en/support/faq/**
> faq_main.page?page=content&**country=US&lang=en&id=**
> FA164737&redirect=true<http://www.schneider-electric.us/sites/us/en/support/faq/faq_main.page?page=content&country=US&lang=en&id=FA164737&redirect=true>
>
> It appears from this the affected models are:
>
> SMT Towers with firmware >= UPS 08.0
> SMT 2U Rackmount
> SMT 1U Rackmount (Follow SMX <=1500VA firmware)
>
> The announcement also appeared on the apcupsd mailing list here:
>
> http://blog.gmane.org/gmane.**comp.sysutils.apcupsd.user/**month=20130801<http://blog.gmane.org/gmane.comp.sysutils.apcupsd.user/month=20130801>
>
> where it was stated that code was available.
>
> I understand that the Socomec ITyS UPS (2000VA) UPS also uses this same
> Modbus protocol.
>
> Anyway, with all of that said, will the NUT developers be looking into
> implementing this support into NUT in the future?
>

I'd like to say yes, since modbus support in NUT is something planned for
years.
but sadly, no.

for now, I've dumped my preliminary work and a ticket:
https://github.com/networkupstools/nut/issues/50

If someone has time + motivation + a modbus dev. (I've currently none of
these 3), I can drive him on completing this.

Ted
>
> PS  by the way - NUT allowed me to get data out of my 15 year old Compaq
> R3000 UPS - I haven't got reporting data from it since NT 4 Server became
> obsolete.  Many many thanks!


 cool, I always love to hear that.

cheers,
Arnaud
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