Factory Automation

MELSEC iQ-F series Quick Start Guide [Ladder language edition] (video)

Quick Start Guide [Ladder language edition] (video)

Program the FX5U CPU module

  • (1)Before programming, make the settings in GX Works3 for connecting the PC and FX5U CPU module.
  • (2)Try programming.
  • Create a program that makes Y0 turn on/off at one second intervals.
  • (3)Compile the created program into executable code.
  • (4)Write the compiled program to the FX5U CPU module.
  • (5)Check that the program operates correctly.
  • Reset or cycle power on the FX5U CPU module.

Reset method for FX5U CPU module

  1. 1.Hold the RUN/STOP/RESET switch [1] in the RESET position for at least one second.
  2. 2.Check that the ERR LED [2] blinks.
  3. 3.Return the RUN/STOP/RESET switch to the STOP position.
  4. 4.Shift the RUN/STOP/RESET switch to the RUN position.
  5. 5.Output display LED [3] turns on/off at one second intervals.
RESET complete

Make various settings

  • (1)Try setting analog input.
  • (2)Try setting analog output.
  • (3)Try setting high speed counter.
  • (4)Try setting positioning.
  1. (5)Try setting Ethernet communication.
    1. [1]Try setting parameters.
    2. In the video for PLC A and B, the only difference is the port number.

PLC A

PLC B
  • [2]Try programming.

Security function types

  • (1)Security key
  • Disables reading and program execution if the keys of the program file, PLC, PC, and copy destination PLC do not match.
Security key
  • (2)Block password
  • Password can be set to individual program blocks, so developers and users can set passwords as required from their standpoint.
Block password
  • (3)Remote password
  • Allows communication access only to people that know the password.
Remote password
  • (4)File password
  • Besides the program file, password can also be set to parameters, so settings of individual modules can be protected.
File password
When the password is unknown:
When the password is known: