This is what I have gotten to work with 12 feeds
[[SDM120]]
Type = EmonHubMinimalModbusInterfacer
[[[init_settings]]]
device = /dev/ttyUSB0
baud = 2400
[[[runtimesettings]]]
pubchannels = ToEmonCMS,
read_interval = 10
nodename = sdm120
# prefix = sdm_
[[[[meters]]]]
[[[[[sdm120a]]]]]
address = 1
registers = 0,6,12,18,30,70,72,74,76,78,342,344
names = V,I,P,VA,PF,FR,EI,EE,RI,ER,TA,TR
precision = 2,3,1,1,3,3,3,3,3,3,3,3
[[[[[sdm120b]]]]]
address = 2
registers = 0,6,12,18,30,70,72,74,76
names = V,I,P,VA,PF,FR,EI,EE,RI
precision = 2,3,1,1,3,3,3,3,3
[Formatted for presentation – Moderator (RW)]