hi i try whit modpoll program and the energymneter work well
i use this configuration
modpoll -1 -f -b9600 -s1 - p none -m rtu -a 5 - c2 -r20 COM13
-a 5, 5 is addrress of energy meter
-c , 2 is number of values of poll
- r 20 , 20 is the start reference
best regards
j.