Number Of Connected Extension Modules - Mitsubishi Electric FX5U User Manual

Number of connected extension modules

Overall system limitation
There is a limitation on the number of connected extension modules in a whole system as follows.
Type
Extension module
Extension power supply module
Bus conversion module
Up to 16 modules (excluding extension power supply module)
I/O
CPU module
module
Connection to the CPU module
There is a limitation on the number of extension modules connected to the CPU module as follows.
The number of extension modules added from the right side of the CPU module to powered input/output module or the
extension power supply module must be as follows.
Type
Total No. of input modules, output modules, intelligent function modules, and bus
conversion modules
Total No. of intelligent function module and bus conversion modules
Input
module,
CPU module
Output
module
Up to 12 modules
Input
module,
CPU module
Output
module
4 SYSTEM CONFIGURATION
42
4.2 Limitations on the Number of Connected Extension Devices
Limitations
Up to 16 modules can be connected to a system.
(Extension power supply modules are excluded.)
Up to 2 modules can be connected to a system.
Only 1 module can be connected to a system.
Extension
I/O
power
• • • •
module
supply
module
Powered input/
FX5
output module,
module,
Intelligent FX5 extension
Output
power supply
module
module
module
Up to 8
modules
Bus FX3
Intelligent
conversion Intelligent
module
module module
Up to 8 modules
Up to 12 modules
Extension
Bus
power
• • • •
conversion
supply
module
module
Up to 1 module
Up to 2 modules
Limitations
Up to 12 modules can be connected.
Up to 8 modules can be connected.
Input
FX5
Intelligent
module
FX3 extension
FX3
power supply
Intelligent
module
module
• • • •