Decoding of the options (positions numbered from left to right):
Pos 1 power supply 0 = battery
1 = mains
Pos 2 basic version 0 = standard
1 = M-Bus factory-mounted
2 = radio module
Pos 3 / 4 tariff 1 / 2 0 = off
1 = on
Pos 5 (7) & 6 (8) communication modules 01 = analogue module only current
02 = analogue module current / voltage
03 = relay module
04 = Combined module
05 = module RS-232 relay
06 = module RS-232
07 = M-Bus module relay
08 = M-Bus module
Resistance value of the sensors Pt100 or Pt500 (index Pt) to
be used.
Place of installation of the flow sensor (index Ft);
0 = return pipe, 1 = supply pipe