ST STEVAL-ETH001V1, Getting Started

Page: 12 / 40

Figure 16. Daisy-chain architecture
2 x 10Ω 25W
Brake Resistor
Quadrature encoder
phases
Motor
Ethernet
connection
TWINCAT3 software installed on PC
(from www.beckhoff.com)
2 x 10Ω 25W
Brake Resistor
Quadrature encoder
phases
Motor
2 x 10Ω 25W
Brake Resistor
Quadrature encoder
phases
Motor
2 x 10Ω 25W
Brake Resistor
Quadrature encoder
phases
Motor
Figure 17. Daisy-chain EtherCAT data flow representation
Master Slave 1 Slave 2
Slave 3
IN OUT IN OUT
IN OUT
Load actuation and input signal detection (i.e., 0-24 V proximity sensor) are allowed by the actuation circuit. It is
powered by the
IPS160H intelligent power switch and the CLT03-2Q3 current limiter (to this aim, a set of routines
has been implemented in the firmware application layer).
UM2807
Using the STEVAL-ETH001V1 evaluation board
UM2807 - Rev 1
page 12/40