2 Encoder ENCO 08 and ENCO 08-M
Manual ENCO 08-M · EN05 · 2018, September 10th
16
2.3
Function
The ENCO 08 is coupled to the totalizer via a gear wheel. When the mechanical
counter rotates, the rotation is transferred to the encoder shaft in the ENCO 08.
Voltage pulses are induced in the Wiegand sensor module under the impact of the
now rotating magnetic field. These signals are evaluated in the electronic module
and converted into an electronic meter reading.
The energy required for displaying and permanent storing of the meter reading is
generated by the internal Wiegand sensors. Therefore, no external power supply
(battery) is required to record the meter reading. As soon as a converter is
connected, it also provides the necessary power supply for digital transmission
(EZD protocol) of the meter reading.
The hardware consists of Wiegand sensors with energy generation (Wiegand
sensor module), counting logic (ASIC and Hall sensor) and counter reading
archive (FRAM counter).
All application-specific parameters are stored in the EEPROM of the
microcontroller and cannot be lost.
