3 - 16
3.1 System Configuration
3.1.6 Connecting to FXCPU (FX3U, FX3UC Series)
(2) PLC
*
2 When the function expansion board or function adapter is used, a GOT and a peripheral such as a PC with GX
Developer installed can be connected to the FXCPU and the function expansion board or function adapter
individually.
(Example) In the case of the function expansion board
*3 When the function expansion board (communication board) and the function adapter are connected, a GOT and
a peripheral such as a PC with GX Developer installed can be connected to them individually.
*4 Only the FX
3U-232-BD and FX3U-422-BD function extension boards and the FX3U-232ADP function adapters can
be connected to GOTs.
(3) Cable
*1 The RS-232 cable can be prepared by the user.
Image No. Name Model name
Function expansion board
*2*3*4
• Unit for simultaneously
connecting GOT and
peripheral equipment (GX
Developer, etc.)
FX3U-422-BD
FX3U-232-BD
FX3U-CNV-BD
Function adapter
*2*3*4
FX3U-232ADP, FX3U-485ADP
Image No. Name Model name
RS-422 cable
• Between FXCPU and GOT
• Between GOT and FX3U-
422-BD
GT01-C10R4-8P (1m), GT01-C30R4-8P (3m),
GT01-C100R4-8P (10m), GT01-C200R4-8P (20m),
GT01-C300R4-8P (30m)
RS-232 cable*1
• Between GOT and FX
3U-
232-BD
• Between FX
3U-232ADP and
GOT
GT01-C30R2-9S (3m)
GOT
FXCPU
PC
Function expansion board