DYNAPAR M21 Series Panduan Instalasi - Halaman 6

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10
For Use with Commutation
Tracks Only
Alignment Theory: In Step 6, the physical position
of the encoder's index was set to provide an
approximate electrical output as shown in the
figure below. Note that the rising edge of Channel
U will occur simultaneously with the index output,
Channel Z.
Step 11 details the fixture and oscilloscope
procedure which allows final precise alignment
to be made. It is important that the motor phase
that requires synchronization with Channel U
is connected to the scope. The specific wire
identification varies among motor types.
12
Scope Alignment of Commutation
Tracks
Calibrate waveform:
With fixture spinning motor and the encoder
powered up, rotate the encoder housing to achieve
the waveforms as indicated on scope photo. The
sinewave is from the motor winding back-EMF,
the squarewave is from encoder's commutation
channel. When completed, tighten alignment
screw to 2 lb – in (23 N – cm), remove all
connections and proceed to step 13.
Page 6
Waveform shown
is example of setup
process. Actual is
dependant on motor
used
and drive that is
Application Assistance 1.800.234.8731 (847.662.2666)
Polígono Industrial O Rebullón s/n. 36416 - Mos - España - [email protected]
Polígono Industrial O Rebullón s/n. 36416 - Mos - España - [email protected]
11
For Use with Commutation
Tracks Only
Prepare for alignment:
Mount motor/encoder on
fixture. Wire to oscilloscope.
13
Install Cover
Snap On -
No Tools Required:
Position cover in line with
cable or connector egress.
Line up molded rails with
body channels. Press
down firmly until 3 snaps
engage. May be removed
by squeezing ribbed area
and pulling up.
Note: Illustrations may differ from your specific model.
Instructions provided cover all models of Dynapar Series
M21Modular Encoders.
+34 986 288118
+34 986 288118
Servicio de Att. al Cliente
Servicio de Att. al Cliente
If encoder has
plug-in connector,
temporarily install
it now.
14
Cable Plug
For models so
equipped:
Carefully line up
pins and guides
and press firmly
into place.
Secure with clip
provided.