Mitsubishi Electric MELSEC-L Series LD40PD01 User Manual page 148

• 32-bit multi function counter block
The counter timer block has the following functions.
• Input pulses are counted.
• Input pulses are counted per clock cycle.
• Either of the ring counter mode or the linear counter mode can be selected (For 16-bit counter timer blocks, only the ring
counter mode can be selected).
• Count values can be preset and latched.
• Addition values can be set (addition mode).
• For 32-bit counter timer blocks, an overflow and an underflow can be detected.
9 CREATING A HARDWARE LOGIC
146
9.2 Multi Function Counter Block