austriamicrosystems AS5040 Manuel d'utilisation - Page 5
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The SSI tab
This mode displays in realtime the angle & absolute value, status bits and magnet range status.
By selecting the SSI (serial protocol for AS5040, AS5140, AS5043, AS5143, AS5045, AS5145) tab, the information of the
angular position and the status bits appears. See figure 5.
Magnet angle value
0 to 359.6°
Value is the Angle data [D9:D0] from the RD_ANGLE (Read Angle) serial command. This value is continuously
updated.
The Zero Pos. value represents the Zero Position register. By clicking on the Set button, the actual angle
"Value" is written into the Zero Position register. Clicking on Reset writes the value 0 to the Zero Position register.
The Magnetic Range Warning is continuously read from the RD_ANGLE serial command.
Green lamp: Magnet in range
•
Orange lamp: Magnet too far or too close. MagINC and MagDEC are set.
•
The Status bits information are taken from the serial stream.
The Read Interval can be modified from 10 ms (fastest) to 1 s (slowest).
Revision 1.0, 29.January 2009
Figure 5: SSI tab, allows access to the AS5X40 registers from the serial bus
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Display update rate.
The readout speed can be adjusted
from 10ms to 1s
Not used
(dual die encoders only)
Angle value:
10 bit absolute position: 0 to 1023
Status bits information
Magnet range warning:
- Green: magnet in Range
- Orange: magnet to far
Set counter clockwise
Angle register value:
Zero position register access:
- Button SET: Sets the current angle
as the 0° angle
- Button RESET: resets the Zero
Position register to 0 (default)
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