AMT58x-PB Profibus®
34
6.9 "Red Zone"
The so-called "Red Zone" occurs when:
Number of revolutions =
Total resolution
Counts per revolution
is not a power of 2.
When this problem arises, the device must operate within the “red
zone” for a certain number of positions. The size of the “red zone” is
variable. To calculate it we must subtract the
Total resolution
value
from the
Hardware total resolution
of the device as many times as
until the difference is less than the the set
Total resolution
value.
When the encoder crosses the limit of the last
Total resolution
section thus entering the “red zone”, a counting error occurs, i.e. a
jump in the position count. The problem can be represented
graphically in the Figure below.
Summary of Contents for AMT58 Series
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Page 167: ...AMT58 PN INSTRUCTION MANUAL Absolute Encoders ...
Page 180: ...LIST OF ABBREVIATIONS xiv AMT58 PN ...
Page 221: ...TO TECHNOLOGY OBJECTS INSTRUCTION MANUAL 41 Figure 28 TO encoder enabled ...
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Page 265: ...NORMAL OPERATION DIAGRAM INSTRUCTION MANUAL 85 NORMAL OPERATION DIAGRAM ...
Page 266: ...ENCODER STATE MACHINE 86 AMT58 PN PRESET DIAGRAM ...
Page 267: ...PARKING SENSOR DIAGRAM INSTRUCTION MANUAL 87 PARKING SENSOR DIAGRAM ...
Page 269: ...ERROR DIAGRAM INSTRUCTION MANUAL 89 Acknowledgment of not acknowledgeable sensor error ...
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Page 380: ...AMT58x DN DeviceNET 40 Default 21h ...
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Page 404: ...AMT58x PB Profibus 5 3 1 3 Installation using a flange code ST 58 FLNG ...