3.1.9.1.69.19 BiSS/SSI
Timeout that will be sent by the drive at the end of each BiSS/SSI frame, which informs the encoder that the
frame is over.
Refer to your encoder datasheet to check what is the minimum value for this parameter.
Name Index:Sub Type Bit
Size
Min
Data
Max
Data
Default
Data
Unit Access PDO
Mapping
CRC
polynomial
0x2112:15 USINT 8 67 readwrite
3.1.9.1.69.20 BiSS
Polynomial for the CRC calculation of the sensor data (SCD).
This value is obtained by writing the polynomial in binary representation.
For example: x^6 + x^3 + x^1 + x^0 is 0b1001011 = 0x4B = 75.
The default value of 67 (x^6 + x^1 + x^0 = 0b1000011 = 0x43) is the one used for most of the BiSS encoders.
Name Index:Sub Type Bit
Size
Min
Data
Max
Data
Default
Data
Unit Access PDO
Mapping
Maximum
tbusy
0x2112:16 USINT 8 20 μs readwrite
3.1.9.1.69.21 BiSS
This value defines the maximum time to wait for the Start bit once the Ack bit was already received. If the
Start bit is not sent after this time, the error BisSrtBt is raised.
Check your encoder datasheet to find what's the typical or maximum value for this parameter.
It is advised to try to increase this number in case the error BisSrtBt appears, which is likely to happen
because the encoder needed more time to process the data before sending the Start bit.
Name Index:Sub Type Bit
Size
Options Unit Access PDO
Mapping
Status bits
active
value
0x2112:17 USINT 8
Status bits active
low
0
Status bits active
high
1
readwrite
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