YASKAWA MP920 User Manual page 104

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.
1st Repeater
Repeater
2nd
Repeater
3rd
Repeater
4th
5th Repeater
6th
Repeater
7th Repeater
8th
Repeater
ST#5
Fig. 5.11 System Configuration with Maximum Number of Repeaters
(Cascade Connections)
ST#1 to ST#5: Station numbers
Repeater
Repeater
ST#3
ST#2
ST#4
Number of Repeaters between two stations
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
5-43
5.7 CP-215 Repeaters
5