Ecco cosa restituiscono i comandi da linea di comando:
Interrogazione del contatore ModBUS 220
sudo -u www-data sdm120c -a 2 -b 9600 -z 10 -i -p -v -c -f -g -P N -q /dev/ttyUSB1
239.33 0.99 160.80 0.68 50.03 110903 OK
cat /var/www/metern/data/meters/5Autoconsumo2016.csv
20160325,0
20160326,0
20160327,0
20160328,0
cat /var/www/metern/data/meters/4Immissioni2016.csv
20160325,41959805
20160326,169106992
20160327,168392625
20160328,181631039
cat /var/www/metern/data/meters/3Prelievi2016.csv
20160325,0
20160326,0
20160327,0
20160328,0
cat /run/shm/metern2.txt
2(160.06*W)
2(110924*Wh)
2_1(240.57*V)
2_2(0.99*A)
2_3(50.02*Hz)
2_4(0.68*F)
$ cat /run/shm/consumi2.txt
2(110923*Wh)
Allego immagine grafico

Attendo un vostro gentile aiuto

Davide