ACM1_TAU_UserManual_En
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SME s.p.a. Via della Tecnica 40 Z.I.
36071 ARZIGNANO (VI) ITALY
Phone +39 0444 470511 - Fax +39 0444 451803
info@grupposme.com - www.grupposme.com
3.6 SME external devices description
The Controller can be connected to SME external devices described below.
3.6.1 Encoder
The encoder can detect the rotating motion of the toothed wheel fixed to the motor shaft and it
generates two electrical signals (square wave and open collector type), usual for kind of encoders.
The two output signals, named channel A and channel B, are shifted by 90 electrical degrees. Their
frequency is proportional to the rotational speed of the motor shaft. Since the toothed wheel has
64 teeth, each channel generates 64 pulses every complete turn of the shaft.
3.6.2 Displays
SME displays (Compact or Mini) are optional devices which show overall information about your
system. They have to be connected to controller through LIN interface.
Figure 18 - Display Compact
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