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          Programmable ControllerKV-8000 series

          High speed counter unit



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          High-speed counter unit

          Input frequency

          4 MHz (16 MHz during 2-phase, 4 times multiplication)

          Counting range

          32 bits

          Number of channels

          2 ch


          Input selection

          External terminal (CH0, CH1), internal clock (0.05 µs, 1 µs, 10 µs, 100 µs), other CH coincidence output,
          Communication: EnDat2.2/22, BiSS (C-mode), YASKAWA serial

          Input mode

          1-pulse with/without direction, 2-pulse addition/subtraction operation, 2-phase 1X/2X/4X

          Counting operation mode

          Up-down counting mode, Enable counting mode, Preset counting mode,
          Set timer counting mode, Enable accumulative counting mode

          Counting mode

          Linear, ring

          Frequency, revolution counter operation mode

          Frequency counting mode, revolution counter B mode (1-revolution time measurement)
          Revolution counter A mode (pulse interval measurement)


          Count input

          A-phase/B-phase/Z-phase (preset), 3 points for each channel, 6 points in total
          5/12/24 VDC input possible, line driver input possible, photocoupler insulation

          Control input

          Enable (also used for input capture) input, 1 point for each channel, 2 points in total 12 to 24 V DC input possible, photocoupler insulatio
          Input capture input, 2 point for each channel, 4 points in total 12 to 24 V DC input possible, photocoupler insulation


          Comparator coincidence output

          2 points for each channel, 4 points in total, photocoupler insulation
          Rated load: 30 VDC 0.2 A or less

          Input capture function

          By external input (max. 4 points)

          Buffering function

          Buffering period: 1 µs or longer

          Input filter function

          Input time constant switching (6 types of counting/9 types of control)

          Preset function

          Possible to select from preset (Z-phase) input and internal relay-based rising edge/falling edge/level (only when an external input is used)

          Serial encoder communication function

          Supported encoder

          Absolute encoders that support EnDat2.2/22, BiSS (C-mode), and YASKAWA serial

          Communication cycle

          EnDat2.2/22: 50 µs, BiSS (C-mode): 50 µs, YASKAWA serial: 62.5 µs


          Equivalent to a differential line receptor that meets the EIA RS485 standard


          Equivalent to a differential line driver that meets the EIA RS485 standard

          Encoder 5 V power

          5 VDC (±5 %), 300 mA or less

          Other functions

          Unit interrupt, inter-unit synchronisation

          Internal current consumption

          190 mA or less


          Approx. 130 g

          *1 For KV-8000/KV-7000 Series

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