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4 SYSTEM CONFIGURATION
4.2 Limitations on the Number of Connected Extension Devices
4.2
Limitations on the Number of Connected
Extension Devices
Number of connected expansion adapters
There is a limitation on the number of expansion adapters connected to the FX5UC CPU module as follows.
Precautions
To use two or more FX5-4DA-ADP, connect them to only one side of FX5-4AD-TC-ADP. Do not connect them to both sides.
Number of connected extension modules (including extended
extension cable)
Overall system limitation
There is a limitation on the number of connected extension modules in a whole system as follows.
Type
Limitation
Communication adapter
Up to 2 adapters can be connected
Analog adapter
Up to 4 adapters can be connected
Type
Limitation
Extension module
Up to 16 modules can be connected to a system.
(excluding extension power supply module and connector conversion module)
Extension power supply module
Up to 2 modules can be connected to a system.
Connector conversion module
Only 1 module can be connected to a system.
Extended extension cable
Only 1 cable can be connected to a system.
Bus conversion module
Only 1 module can be connected to a system.
Expansion adapter
FX5-232ADP FX5-485ADP
Communication adapter
(Up to 2 modules)
FX5-4AD-ADP FX5-4DA-ADP
FX5-4AD-PT-ADP FX5-4AD-TC-ADP
Analog adapter
(Up to 4 modules)
Up to 16 modules
(excluding extension power supply module and connector conversion module)
Up to
1 module
Up to
1 module
Up to
2 modules
CPU module
I/O
module
I/O
module
Bus
conversion
module
Connector
conversion
module
I/O
module
Extension
power
supply
module
FX5
intelligent
module
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