IC-MU_13 Datasheet, PDF (29/59 Pages) IC-Haus GmbH – OFF-AXIS NONIUS ENCODER WITH INTEGRATED HALL SENSORS

iC-MU OFF-AXIS NONIUS ENCODER
WITH INTEGRATED HALL SENSORS
preliminary
SSI interface
Rev B1, Page 29/59
ERR
out
cyle
Figure 14: Example of SSI line signals (MODEA=0x5/0x6) with optional unidirectional register communica-
tion
LSB
ERR WRN MSB
LSB
Zero bits
CRC
out
cycle
Figure 15: Example of extended SSI line signals (MODEA=0x7, ExtSSI)
MODEA
Code
0x4
0x5
0x6
0x7
Description
Standard SSI, no error-bit
Standard SSI, error-bit low active
Standard SSI, error-bit high active
extended SSI, data-package like BiSS-C
Table 38: MODEA: SSI
In standard SSI mode singleturn data and, optionally,
multiturn data, an error, and a stop zero can be trans-
mitted. In extended SSI mode (ExtSSI) the multiturn
data (optional), singleturn data, error, warning, and
CRC can be read out. All data is sent with the MSB
first and is equivalent to the data package that is out-
put through BiSS.
The SSI interface of iC-MU can handle sensor data
communication and unidirectional register communica-
tion (Advanced SSI protocoll see Figure 14).
In SSI mode the sensor data can be output in binary
or Gray code.