| A | medium | 1 = electricity, 8 = water |
| B | channel | 0 = no channel available |
| C | physical unit, depends on A | power, current, voltage... |
| D | measurement type, depends on A and C | maximum, current value, energy... |
| E | tariff | 0 = total, 1 = tariff 1, 2 = tariff 2 ... |
| F | separate values defined by A-E | billing periods, 255 if not used |