ABSENC - Absolute encoder

The ABSENC block handles the Absolute encoder signals

Fields

Name

Type

Description

CLK

bit_mux

Clock output to slave encoder

PROTOCOL

param enum

Type of absolute/incremental protocol
0 SSI
1 BISS
2 enDat

ENABLED

read bit

Is ABSENC enabled?

ENCODING

param enum

Position encoding (for absolute encoders)
0 Unsigned Binary
1 Unsigned Gray
2 Signed Binary
3 Signed Gray

CLK_SRC

param enum

Bypass/Pass Through encoder signals
0 Internally Generated
1 From CLK

CLK_PERIOD

param time

Clock rate

FRAME_PERIOD

param time

Frame rate

BITS

param uint 63

Number of bits

LSB_DISCARD

param uint 31

Number of LSB bits to discard

MSB_DISCARD

param uint 31

Number of MSB bits to discard

DATA

bit_out

Data input from slave encoder

CONN

bit_out

Signal detected

HOMED

read bit

Quadrature homed status

HEALTH

read enum

Table status
0 OK
1 Linkup error (=not CONN)
2 Timeout error (for BISS, monitor SSI)
3 CRC error (for BISS)
4 Error bit active (for BISS)
5 ENDAT not implemented
6 Protocol readback error

VAL

pos_out

Current position