ams AG AS5132 Betriebshandbuch - Seite 5

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AS5132 Demoboard OPERATIONAL MANUAL
4.3

The TWI tab

This mode displays in realtime the angle value, Multiturn register value, AGC value and the UVW signal status.
Figure 4: TWI tab, allows access to the AS5132 registers from the serial bus
Value is the Angle[8:0] from the RD_ANGLE (Read Angle) serial command. This value is continuously updated.
The Zero Position 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 Multiturn Counter field is the Multiturn-counter[8:0] register value from the READ_MT_COUNTER serial
command. The Multiturn counter register can be set to a specific value by entering the turn number and clicking on
Set. The counter can be reseted to 0 (default value) by clicking on Reset
The AGC value is continuously read from the RD_ANGLE serial command.
The range lamp can be set by two thresholds (Green Orange and Orange  Red) which are determined by the
user. Those thresholds have no influence on the AS5132, it is a visual representation only.
The Read Interval can be modified from 10 ms (fastest) to 1 s (slowest).
The BLDC Commuting Signals sub-window is a realtime representation of the commutation signal status on the
AS5132 UVW outputs. For changing the number of pole pairs, see chapter Error! Reference source not found..
Revision 1.0, 04-April-2012
Magnet angle value in
degree
Realtime UVW signal
representation
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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)
AGC indicator
0 (magnet too close) ~
31
(magnet too far)
Magnet range warning:
- Green: AGC < LOW threshold
- Orange: LOW < AGC < HIGH
- Red: HIGH threshold < AGC
Multiturn counter register
The internal register can be SET to
a specific value or RESET to 0
Display update rate.
The readout speed can be adjusted
from 10ms to 1s
Opens the serial command window
to direct access the internal AS5234
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