Mitsubishi Electronics FX5U ユーザーズマニュアル

4  SYSTEM CONFIGURATION

4.1  Rules of System Configuration

The system configuration must meet the following four requirements.

The number of extension devices that can be connected to a single system of FX5U CPU module is limited.
For details, refer to Page 41 Limitations on the Number of Connected Extension Devices.

*1 Extension power supply modules are not included in the number of connected devices.

With the FX5U CPU module, a total of 512 points or less including the number of input/output points of extension devices 
(max. 256 points) and number of remote I/O points (max. 384 points) can be controlled.
For details on the number of input/output points, refer to Page 45 Limitation on the Number of Input/Output Points.

CPU module

Up to 12 modules

Up to 10 modules

Up to 8 modules

Up to 2 modules

Expansion

adapters 

(Commu-

nication)

Expansion

board

Input 

module,

Output 

module

Input 

module,

Output 

module

FX5

Intelligent

module

FX5

Intelligent

module

FX3

Intelligent

module

FX3

Intelligent

module

FX5 

extension

power

supply

module

FX3 

extension

power

supply

module

Bus

conversion

module

Up to 2 

modules

Expansion

adapters 

(Analog)

Up to 4 

modules

Up to 1 
module

Up to 1 
module

Up to 8 

modules

Up to 8 modules

Up to 256 points

CPU module

I/O module

• Expansion board
• Expansion adapter

• CC-Link master
• AnyWireASLINK master

CC-Link/AnyWireASLINK system

Up to 384 points

Number of input/output points on whole system

Up to 512 points

1. Number of input/output points 

(including input/output occupied points)

Remote I/O station

Remote I/O station

Remote I/O station

Remote I/O station

2. Number of remote input/output points for 

CC-Link/AnyWireASLINK

FX5

Intelligent 

module

FX5

Intelligent

module

Bus

conversion

module