JVL Industri Elektronik A/S - User Manual - Integrated Servo Motors MAC050 - 800
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Example 1:
Encoder (quadrature) input.
An external encoder feeds the MAC motor. The I/O type is set to
“Pulse input“ and “Input type” is set to “Quadrature” in order to de-
code the encoder signal. The encoder is connected to the A and B
terminals (Multifunction I/O’s). See also
The resolution of the external encoder is 500 ppr. The MAC motor
itself has 1024ppr (MAC50-141) or 2000 ppr (MAC800). If this appli-
cation requires that the MAC motor rotates 1 rev. each time the ex-
ternal encoder has rotated 1 rev., the
Input
parameter is set to 500
(external encoder) and the
Output
parameter is set to 1024 or 2000.
Now the ratio between the external encoder and the MAC motor
will be 1:1. Ensure the “Profile data” is set to proper values in order
not to limit motor operation unintentionally.
Example 2:
Pulse and direction input.
A step motor system is replaced by a MAC motor, meaning that the
MAC motor receives a pulse and direction signal which is a very com-
mon signal format in step motor applications.
The I/O type is set to “Pulse input“ and “Input type” is set to “Pulse-
direction” in order to decode the input signal. The pulse signal is con-
nected to the A terminals (Multifunction I/O) and the direction signal
is connected to the B terminals (Multifunction I/O’s).
The MAC motor is replacing a step motor system with 400 steps per
revolution, which means that when the pulse source produce 400
pulses, it expects the MAC motor to rotate one revolution.
The MAC motor itself has 1024ppr (MAC50-141) or 2000ppr
(MAC800). If this application requires that the MAC motor rotates 1
revolution each time 400 pulses are received, the
Input
parameter is
set to 800 since the MAC motor detects on both the rising and falling
edge of the input signal.
The
Output
parameter is set to 4096 or 8000 since the number of
counts (edges) on the internal encoder is 4096 or 8000. Now the
MAC motor will move 1 revolution if 400 pulses is applied to the
pulse input. Ensure the “Profile data” is set to proper values in order
not to limit motor operation unintentionally.
The following table can be used as guide for setting up typical gear ra
tios:
Pulse and direction gear ratio setup - “Commonly used ratios”
Applied number of pulses
per MAC motor revolution.
Input
register
Output
register
MAC50-141
MAC800
200
400
4096
8000
400
800
4096
8000
500
1000
4096
8000
800
1600
4096
8000
1000
2000
4096
8000
2000
4000
4096
8000
4096 (Same as motor resolution)
8192
4096
8000
Summary of Contents for MAC050
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Page 7: ...JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 3 1 Introduction ...
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Page 255: ...JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 251 5 Appendix ...
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Page 306: ...6 Index JVL Industri Elektronik A S User Manual Integrated Servo Motors MAC050 800 302 ...