Factory Automation

Network/Communication module MODBUS communication

MODBUS (MODBUS/RTU, MODBUS/TCP)

Model Communication interface Maximum transmission distance Generic Specifications Compatible CPU module
FX5U FX5UC FX5UJ FX5S
FX5-232-BD RS-232C 15 m
  • Predefined protocol: RTU
  • No. of connectable slaves: 1
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Up to
1 module
× ○
Up to
1 module
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Up to
1 module
FX5-232ADP ○
Up to
2 modules
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Up to
2 modules
*1
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Up to
2 modules
*1
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Up to
2 modules
FX5U CPU module RS-485 50 m
  • Predefined protocol: RTU
  • No. of connectable slaves: 32
- - - -
FX5UC CPU module - - - -
FX5-485-BD 50 m ○
Up to
1 module
× ○
Up to
1 module
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Up to
1 module
FX5-485ADP 1200 m ○
Up to
2 modules
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Up to
2 modules
*1
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Up to
2 modules
*1
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Up to
2 modules
FX5U CPU module Ethernet 100 m
(The distance between hub and node)
  • Predefined protocol: TCP
  • No. of connectable slaves: 8
- - - -
FX5UC CPU module - - - -
FX5UJ CPU module - - - -
FX5S CPU module - - - -
  • *1When using a communication board, up to 1 module.