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4 SYSTEM CONFIGURATION
4.1 Rules of System Configuration
39
4
4.1 Rules of System Configuration
The system configuration must meet the following four requirements.
Number of connected extension device
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.
Ex.
*1 Extension power supply modules are not included in the number of connected devices.
Number of input/output points
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 16 modules
*1
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