3. SPECIFICATIONS
MELSEC-A
3-3
3.3
Network Configuration
3.3.1
Basic configuration
1)
Equipment types
•
Class 1 master
•
Configurator
•
Slave
•
Repeater
2)
Number of units that can be connected to the entire network (when repeaters are used)
slave
≤
126 units
3)
Number that can be connected for 1 segment
slave+repeaters
≤
32 units
4)
Communications can be conducted via a maximum of 3 repeaters from an arbitrary master or
arbitrary slave to an arbitrary master or arbitrary slave (Not 3 units in the entire network).
5)
The maximum number of slaves that can be connected to 1 AJ71PB92D/A1SJ71PB92D is 60
stations.
CPU module
Master (class 1)
AJ71PB92D
A1SJ71PB92D
Configurator
Slave
Slave
Slave
•
The PROFIBUS-DP cable is provided by the user.