2.10.1 Connection of Special Adapters
Special adapters of the FX3U series can be mounted on the left side of the base unit of the FX3G,
FX3U, and FX3UC series.
NOTE The following rules apply to FX3U base units. For the rules of system configuration for the
FX
3G or FX3UC series, please refer to the appropriate manual.
High-speed input/output special adapters
Up to two high-speed input special adapters FX
3U-4HSX-ADP and up to two high-speed output
special adapters FX
3U-2HSY-ADP can be connected to a base unit.
Connect all high-speed I/O special adapters before connecting other special adapters when
they are used in combination. A high-speed I/O special adapter can not be mounted on the left
side of a communication or analog special adapter.
When only high-speed input/output special adapters are connected, the adapters can be used
without a communication or interface adapter board installed in the base unit.
Combination of analog and communication special adapters
Analog and communication special adapters must be used with a communication adapter board
or an interface adapter board installed in the base unit.
System Configuration The Hardware
2-36 MITSUBISHI ELECTRIC
Possible
configuration
Communication
special adapter
Analog
special adapter
No communication adapter board
or interface adapter board
Base unit
Communication or
interface adapter
board
Communication
special adapter
Analog
special adapter
Base unit
Illegal
configuration
These adapters do not function.
High-speed I/O
special adapter
Possible
configuration
High-speed I/O
special adapter
High-speed I/O
special adapter
Communication or
interface adapter
board
Base unit
High-speed I/O
special adapter
High-speed I/O
special adapter
High-speed I/O
special adapter
No communication adapter board
or interface adapter board
Base unit
Possible
configuration