Accelnet Plus Micro Modules User Guide
16-01687 Rev 03
Copley Controls
Page 87 of 139
BiSS Absolute Encoder
BiSS is an Open Source digital interface for sensors and actuators. BiSS refers to principles of
well known industrial standards for Serial Synchronous Interfaces like SSI, AS-Interface® and
Interbus® with additional options.
Serial Synchronous Data Communication
Cyclic at high speed
2 unidirectional lines Clock and Data
Line delay compensation for high speed data transfer
Request for data generation at slaves
Safety capable: CRC, Errors, Warnings
Bus capability incl. actuators
Bidirectional
BiSS B-protocol: Mode choice at each cycle start
BiSS C-protocol: Continuous mode
SSI
BiSS
EnDat
Abs-A
Signal
P1 Pins
SDATA
MA+
Clk
Data
ENCA1
13
/SDATA
MA-
/Clk
/Data
/ENCA1
12
SCLK
SL+
Data
ENCX1
9
/SCLK
SL-
/Data
/ENCX1
8
Sin(+)
SIN1+
19
Sin(-)
SIN1-
18
Cos(+)
COS1+
21
Cos(-)
COS1-
20
+5V
+5VENC
6, 17
MA
MA
S
S
2 AEV, APV
Clk
Data
Master
Slave
V
V
5 V O ut 5 0 0 mA
M A
MA
S
S
P1 AEZ, APZ
1 3 0
5
1 2 1
1 k
1 k
G
SGN D