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Factory Automation

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  • No : 44332
  • Release Date : 2024/03/20 12:58
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Regarding restrictions on the external input/output forced ON/OFF function

Are there any restrictions on using the external input/output forced ON/OFF function?
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Answer

The following restrictions apply to the external input/output forced ON/OFF function.
・Since RUN contact setting is RUN/STOP by external signal, forced ON/OFF is disabled.
・If the high-speed I/O function and the forced ON/OFF function for external I/O are executed simultaneously, the forced ON/OFF function is applied while the output conditions of the high-speed I/O function are not satisfied. The applicable high-speed I/O functions are as follows.
 ① High-speed counter function 
  32 bit data comparison set (DHSCS instruction)
  32 bit data comparison reset (DHSCR instruction)
  32 bit data band comparison (DHSZ instruction)
 ② PWM function
  Pulse width modulation (PWM/DPWM instruction)
 ③ Positioning control function
  Pulse output (PLSY/DPLSY instruction)
  Mechanical OPR (DSZR/DDSZR instruction)
  Relative positioning (DRVI/DDRVI instructions)
  Absolute positioning (DRVA/DDRVA instructions)
  Interrupt 1-speed positioning (DVIT/DDVIT instruction)
  Variable speed operation (PLSV/DPLSV instruction)
  Single-table operation (TBL instruction)
  Multiple-table operation (DRVTBL instruction)
  Multi-axis table operation (DRVMUL instruction)
Product Name
FX5U, FX5UC, FX5UJ, FX5S
Product Category
CPU Module
Series
MELSEC iQ-F Series

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