Topologies; Cascade Connections - YASKAWA SVC User Manual

2.4 Topologies

2.4.1 Cascade Connections

2.4

Topologies

The SVC Function Module uses MECHATROLINK-III communications to control slave devices.
You can connect the MP3000 and MECHATROLINK-III slave devices with cascade, star, or
mixed cascade/star topologies. This section describes these topologies.
2.4.1

Cascade Connections

Cascade connections allow you to connect one or more series of slave stations from the
MECHATROLINK-III communications port (CN6) on the MP3000.
Note: This connection example uses a transmission cycle of 3 ms.
Note: This connection example uses a transmission cycle of 3 ms.
2-14
CPU Unit
Up to 19 slave stations (Machine Controllers, servos, or I/O)
Figure 2.1 Cascade Connections Using Only One Port
CPU Unit
No terminating
resistor is
required.
Up to 32 Servo stations
Up to 38 stations, including Machine Controllers and I/O
Figure 2.2 Cascade Connections Using Two Ports
No terminating resistor is required.
No terminating
resistor is required.