AMX AXD-CP4/PB Especificaciones Pagina 175

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Velocity Drive Setup Ver. 0002 SSU - 3
SSU.3 PARAMETERS FOR THE ENCODER SIMULATOR
The Drive can generate a simulated incremental Encoder output with differential TTL signal
from the signal of the motor feedback.
They are square signals A and B, their inverted signals /A and /B, and reference marks Io and
/Io.
This is an optional feature.
The Encoder simulator is programmable by means of the following parameters:
EP1 -F00500- Number of pulses per turn.
EP2 -F00501- The point where the reference marker pulse is generated I
0
,
EP3 -F00502- Counting direction.
SSU.3.1 NUMBER OF PULSES
The number of pulses must be programmed before starting up the motor using
parameter EP1 -F00500-.
SSU.3.2 MARKER PULSE (HOME I
0
) POSITION
It is the location of the reference mark. The inverted marker pulse signal ( /I
0
) is also available.
The home position may be set by following any of these two different procedures:
1st- Orient the rotor shaft to the desired home position.
Then, execute the command EC1 -F00503-.
2nd- Move the marker pulse point by means of parameter EP2 -F00501-.
For example: if EP1 -F00500- is 1250 and we wish to move the current marker pulse
position 58°, we must load parameter EP2 -F00501- with a value of 1250*58/360
which is approximately equal to 200.
The range for this parameter varies from 1 to the value assigned to parameter
EP1 -F00500- although it is recommended to reset it to "1". If a home value greater the
number of pulses defined by EP1 -F00500- is indicated, the initialization process will
generate error 500.
EP1 -F500-
EP2 -F501-
EP3 -F502-
= 1250
= 20 0
= 0
125
250
375
500
625
750
875
1000
1125
Rotor
Io
Example
1250
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