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1.2  Overall System Configurations
 
Direct connection to CPU
(  Chapter 3)
Communication Type Communication Interface on GOT Side Connected to
RS-232 
communication
Built in GT15 body • QCPU (Q mode)
•QCPU (A mode)
• FXCPU
• Motion controller CPU (Q Series)
• Remote I/O station in the MELSECNET/H network 
system
RS-232 Communication Unit
• GT15-RS2-9P
RS-422 
communication
RS-422 conversion unit
• GT15-RS2T4-9P
•QnACPU
•ACPU
• FXCPU
• Motion controller CPU (A Series)
RS-422/485 Communication Unit
• GT15-RS4-9S
RS-232
RS-232