Programmable Controller

KV-8000 series

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2-channel Multi-function High-speed Counter Unit KV-SC20V

KV-SC20V - 2-channel Multi-function High-speed Counter Unit

  • CE Marking
  • UL Listing(c/us)





High-speed counter unit

Input frequency

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

Counting range

32 bits

Number of channels

2 ch


Input selection

External terminal (CH0, CH1), internal clock (1 µs, 10 µs, 100 µs), other CH coincidence output

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 0.1 A or less

Input capture function

By external input (max. 4 points)

Input filter function

Input time constant switching (4 types of counting/7 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)

Internal current consumption

95 mA or less


Approx. 120 g

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