Yaskawa MP920 Communications Module User Manual

Page 104

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5.7 CP-215 Repeaters

5-43

System Configuration with Maximum Number of Repeaters

System Configuration Using Cascade Connections

The following example shows a system configuration with the maximum number of Repeat-
ers.

Up to eight Repeaters can be connected between two stations. If the number of Repeater
exceeds eight, use the star connection method in conjunction with the cascade connection
method to reduce the number of Repeaters between any two stations to eight or less.

Fig. 5.11 System Configuration with Maximum Number of Repeaters

(Cascade Connections)

Repeater

ST#1 to ST#5: Station numbers

ST#3

1st

2nd

3rd

4th

5th

6th

7th

8th

ST#4

ST#5

ST#2

ST#1 to ST#2: 4
ST#1 to ST#3: 4
ST#1 to ST#4: 6
ST#1 to ST#5: 8
ST#2 to ST#3: 4
ST#2 to ST#4: 6
ST#2 to ST#5: 8
ST#3 to ST#4: 2
ST#3 to ST#5: 4
ST#4 to ST#5: 2

Number of Repeaters between two stations

Repeater