[Nut-upsuser] Riello Dialog Plus UPS

Massimiliano Giorgi macx at mgsi.eu
Sat Feb 16 17:29:21 UTC 2008


Arjen de Korte wrote:
>> I have a Riello Dialog Plus UPS...
>> someone knows how to configure nut for this UPS?
> 
> [...]
> 
>> All messages start with a <STX> and end with a <ETX>; all the messages
>> from the application start with a <STX> <SPACE> <!> and the response
>> from the UPS with a <STX> <!> <SPACE>
> 
> It doesn't look like anything familiar, so I don't think any of the
> existing drivers will be useable. Provided the protocol is known (or can
> be reversed engineered) it would be possible to write a NUT driver for it
> however.
> 
> Best regards, Arjen

I have discovered that if you build a custom cable you can use the
genericups driver (tha cable supplied with the UPS does not work)...
I have build a "normal" RS232 DTE-DCE cable (I have connected pin 1 with
pin 1, pin 2 with pin 2, and so on... using two DB-9 connectors) AND I
have used 3 pull-up resistors (I have used 4.7 KOhm) between pin 7 and
pin 9 (RTS to RING), pin 7 and pin 8 (RTS to CTS) and between pin 4 and
pin 1 (DTR to DCD)...
With this cable the following configuration works...

[myups]
driver=genericups
port=/dev/ttyS0
desc="My UPS"
upstype=0
mfr="Riello Dialog Plus"
model="Dialog Plus 2200VA"
sdtime=20
OL=RNG
LB=-CTS
SD=ST
CP=DTR+RTS

there is another signal (DCD) that comunicate the failure of the UPS and
the DSR that go to zero when the cable is not connected...

someone can add a new upstype to the next releas of nut?




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