Factory Automation

MELSEC iQ-F series High-Speed Counting module

FX5 CPU module built-in input functions (Built-in high-speed counter function)

Model Generic Specifications Function
FX5U CPU module Max. 8 ch 200 kHz
FX5U-32M: 6 ch 200 kHz + 2 ch 10 kHz
  • High-speed counter function
    - Normal mode
    - Pulse density measurement mode
    - Rotation speed measurement mode
  • FX3-compatible high-speed counter function
  • Pulse Width Measurement Function
  • Pulse Catch Function
    - Pulse Catch Function
    - FX3-Compatible Pulse Catch Function
  • General-purpose Input Functions
FX5UC CPU module Max. 8 ch 200 kHz
FX5UC-32M: 6 ch 200 kHz + 2 ch 10 kHz
FX5UJ CPU module Max. 4 ch 100 kHz + 4 ch 10 Hz
FX5S CPU module Max. 4 ch 100 kHz + 4 ch 10 kHz

High speed counter

Model Number of channels Input form Type Highest response
frequency 		Match output 2-phase counter
function 		Compatible CPU module
FX5U FX5UC FX5UJ FX5S
FX5-2HC/ES 2 ch Differential line driver 1 phase
1 input 		Max. 2 MHz ○ - *1
○
Up to
15 modules
*1*2
○
Up to
13 modules 		*3
○
Up to
8 modules 		×
1 phase
2 input 		Max. 2 MHz
2 phase
2 input 		1 edge count: Max. 2 MHz
2 edge count: Max. 1 MHz
4 edge count: 500 kHz 		○
FX3U-2HC 2 ch Open collector
Differential line driver 		1 phase
1 input 		Max. 200 kHz ○ - *4
○
Up to
2 modules 		*4
○
Up to
2 modules 		× ×
1 phase
2 input 		Max. 200 kHz
2 phase
2 input 		1 edge count: Max. 200 kHz
2 edge count: Max. 100 kHz
4 edge count: Max. 50 kHz 		○
  • *1 Supported in version 1.300 or later.
  • *2 When connecting to FX5UC, FX5-CNV-IFC or FX5-C1PS-5V is required.
  • *3 Supported in version 1.060 or later.
  • *4 When connecting to FX5U or FX5UC, FX5-CNV-BUS or FX5-CNV-BUSC is required. Select one according to the system configuration.

High-speed pulse input/output module

Model Generic Specifications Function Compatible CPU module
FX5U FX5UC FX5UJ FX5S
FX5-16ET/ES-H Max. 2 ch 200 kHz
  • High-speed counter function
    - Normal mode
  • Pulse Width Measurement Function
  • Pulse Catch Function
  • General-purpose Input Functions
*1
○
Up to 4 modules
*1*2
○
Up to 4 modules 		*1
○
Up to 4 modules 		×
FX5-16ET/ESS-H
  • *1 Supported in version 1.030 or later.
  • *2 When connecting to FX5UC, FX5-CNV-IFC or FX5-C1PS-5V is required.