Comissioning a Generic Encoder with BISS-C Interface
Function description 27
Version: 1.5
7.3 Wiring
Correct wiring, of course, is essential to run any feedback device correctly. Depending on wether or not there
are sense lines for the power supply there are 2 or 4 wires for the supply voltage:
Signal Description
AX5000 Encoder
Us_5V +5V Power Supply
GND_5V GND for the +5V Power Supply
Us_5V Sense +5V Sensor connection (optional)
GND_Sense 0V Sensor connection (optional)
For the position infomation there are the following signals. Incremental Sine/ Cosine signals are not provided
by every encoder.
Signal Description
AX5000 Encoder
DX + (Data) Data +, (also "SLO +")
DX – (Data) Data -, (also "SLO -")
CLK + (Clock) Clock signal, (also "MA +")
CLK – (Clock) Clock signal, (also "MA -")
SIN + (optional) Sine +
REFSIN (optional) Sine -
COS + (optional) Cosine +
REFCOS (optional) Cosine -
Please refer to the AX5000 "Startup Manual" or "System Manual" for correct wiring!
7.4 Required Data for Comissioning
Before you start commissioning the encoder, make sure you do have the following information about it:
Encoder feature Example
1 What power supply does the encoder need? In case it is 5 V:
Does it provide connections for the sense line?
5 V with sense line
2 Maximum current consumption of the encoder? The AX5000 can
provide a max. of 250 mA per feedback channel.
150 mA
3 Pure digital interface or sine/ cosine signals provided? with sine/ cosine signals
4 Maximum clock frequency for the BISS-C communication 10 MHz
5 For a rotary encoder: Number of singleturn bits and number of
multiturn bits
For a linear encoder: Number of position bits
rotary, 19 bits ST, 12 bits MT
6 For a rotary encoder: Number of sine periods per revolution
For a linear encoder: Length of signal period
rotary: 2048
7 For a linear encoder: Resolution of the digital interface
Screenshots in the following explanation show the configuration for the above example.
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