X20 system modules • Digital signal processing modules • X20DS1928
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X20 system User's Manual 3.10
4.16.5.10.8 Sin/Cos - Analog interface configuration
In addition to the digital EnDat, the module is also equipped with an analog interface for recording a differential
sine-cosine signal. To increase the resolution, the EnDat standard specifies a cooperation between the analog and
digital information. This enables highly dynamic display of the position while maintaining high resolution.
4.16.5.10.8.1 SinCosEnable
Names (pChannelName):
SinCosEnable
This register must always have the value 1 for configuration reasons.
Data type
Values
USINT
1 !
Bus controller default setting: 1
4.16.5.10.8.2 SinCosRefSource
Names (pChannelName):
SinCosRefSource
This register must always have the value 1 for configuration reasons.
Data type
Values
USINT
1 !
Bus controller default setting: 1
4.16.5.10.8.3 SinCosVssMin
Names (pChannelName):
SinCosVssMin
The SinCosVssMin register specifies the lower limit value for the peak-peak voltage of the sine/cosine track. This
ensures that the pending signal is monitored. If the incoming value falls below this specified limit, then the module
reports the corresponding error.
Data type
Values [mV]
UINT
0...1500
Bus controller default setting: 800
4.16.5.10.8.4 SinCosVssMax
Names (pChannelName):
SinCosVssMax
The SinCosVssMax register specifies the upper limit value for the peak-peak voltage of the sine/cosine track. This
ensures that the pending signal is monitored. If the incoming value exceeds this specified limit, then the module
reports the corresponding error.
Data type
Values [mV]
UINT
0...1500
Bus controller default setting: 1200
4.16.5.10.8.5 SinCosQuitTime
Names (pChannelName):
SinCosQuitTime
If an error is detected on the analog interface, the latest correctly determined values remain valid. A time span
can be defined here in which the module begins receiving correct values again after the error state without post-
processing them internally. Only then will newly imported correct analog values be recognized as valid.
Data type
Values [µs]
UDINT
0...20000000
Bus controller default setting: 100000
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