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		 ○
  • *1Supported in version 1.300 or later.
  • *2When connecting to FX5UC, FX5-CNV-IFC or FX5-C1PS-5V is required.
  • *3Supported in version 1.060 or later.
  • *4When 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
  • *1Supported in version 1.030 or later.
  • *2When connecting to FX5UC, FX5-CNV-IFC or FX5-C1PS-5V is required.