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4 SYSTEM CONFIGURATION
4.5 Rules of System Configuration and Examples of Reconfiguration
• Number of modules connected to the CPU module
(Page 42 Connection to the CPU module)
• Number of modules connected to the bus conversion module
(Page 44 Connection to the bus conversion module (connection with FX3 extension devices))
Check on limitations when using FX3 extension devices
Check the use of the FX3 extension devices.
■Use of the bus conversion module
(Page 40 Bus conversion module)
■Connection of intelligent function modules
(Page 40 Limitations on intelligent function modules)
Type No. of modules used Limitations Judgment
Total No. of I/O modules, intelligent function modules, and bus conversion modules 11 Up to 12 OK
Total No. of intelligent function module and bus conversion modules 7 Up to 8 OK
Type No. of modules used Limitations Judgment
Total No. of intelligent function modules 5 Up to 6
(When not using extension power supply modules)
OK
Limitations Judgment
FX3 extension modules are connected on the right side of the bus conversion module. OK
FX5 extension modules are connected on the left side of the bus conversion module. OK
Model Limitations Judgment
FX3U-128ASL-M Only one module may be connected to the system. OK
FX3U-64CCL Only one module may be connected to the system. OK