FX2N high-speed counter – configuration of upper limit


A short excerpt on the configuration of a high-speed counters on the Melsec FX PLC.

Upon the completion of the configuration – the following process is ideal for the programming of the PLC.

  1. Build the program without errors
  2. Full download of the program to the PLC (parameters and program) (NOT partial, NOT online)
    • At this point know that the PLC will stop during this process.
  3. Upon completion – reset the PLC (via switch)
  4. Start the PLC (via switch)

For more information – see the attached manual for reference. In particular, focus on p.95 to p.106. (below the link)