NETZSCH NM125BY B.1 Series - Encoders; Commissioning; Maintenance and Servicing

Motors – Operating and Assembly Instructions
50 B 1091 en-3118
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4.3 Encoders
Incremental encoder with zero track
The incremental encoder is located under the fan cover and is attached to this. After installation, the
zero point offset is measured in the final test. The offset is provided with an adhesive label in the terminal
box.
Absolute encoders
The synchronisation of the encoder is adjusted by NORD prior to delivery of the geared motor and does
not require determination of the offset.
If the encoder is not synchronised, or has come out of adjustment due to an impact or removal of the
motor, the zero track of the encoder must be synchronised to the rotor position.
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4.4 Commissioning
The choice of inverter must be checked with regard to the motor allocation. In addition to the information
in Section 1 "General" the operating manual for the frequency inverter must be observed. Further
information can be obtained from TI80_0010
.
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4.5 Maintenance and servicing
CAUTION! The motors contain magnetic components Dismantling without specialist knowledge and
suitable aids may result in injuries. This type of work must only be carried out by trained personnel.
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