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High-speed counter, Pulse input
A selection of high-speed counter modules and pulse counter module for accuracy intensive, high resolution control applications is available
Pulse input modules capable of high-speed counting
Inputs may be connected to a variety of devices for positioning control, precision measurement, etc. The maximum counting speed may be adjusted via parameter (excluding QD64D2) for more reliable counting at lower frequencies.
- External coincidence output (QD64D2 includes 2 per channel): Select coincidence output, continuous comparison (QD64D2 only), or the coincidence detection interrupt function for flexible high-speed external device control.
- Many functions are available to satisfy application requirements including the coincidence output test function (QD64D2 only), latch counter function (excluding QD63P6), and preset function.
- Calculate pulses at speeds up to 8 Mpps (4 multiples of 2 phases). Perform precise position tracking using a high-resolution encoder for demanding applications such as semiconductor and LCD manufacturing. (QD65PD2)
| Model | QD62 (DC input sinking output type) | QD62E (DC input sourcing output type) | QD62D (differential input sinking output type) | |
|---|---|---|---|---|
| Number of channels | 2 channels | |||
| Count input signal | Phase | 1-phase input, 2-phase input, CW/CCW | ||
| Signal level | 5/12/24 V DC 2...5 mA | EIA Standard RS-422-A Differential line driver level (AM26LS31 [manufactured by Texas Instruments] or equivalent) | ||
| Pulse input | 1-phase pulse input (x1, x2), CW/CCW, 2-phase (x1, x2, x4) | |||
| Counting speed (max.) | 200 kpps | 500 kpps | ||
| Function | ·Linear counter function ·Ring counter function ·Coincidence output function ·Preset function ·Latch counter function ·Count disable function ·Sampling counter function ·Periodic pulse counter function | |||
| Model | QD63P6 (DC input) | QD64D2 (DC input sinking output type) | QD65PD2 (DC/Differential input, external output terminals) | |
|---|---|---|---|---|
| Number of channels | 6 channels | 2 channels | 2 channels | |
| Count input signal | Phase | 1-phase input, 2-phase input, CW/CCW | ||
| Signal level | 5 V DC 6.4...11.5 mA | EIA Standard RS-422-A, differential line driver level (AM26LS31 (manufactured by Texas Instruments Incorporated) or equivalent) | [Differential input] EIA Standards RS-422-A, differential line driver level (AM26LS31 [manufactured by Texas Instruments] or equivalent) [DC input] 5/12/24 V DC, 7...10 mA | |
| Pulse input | 1-phase pulse input (x1, x2), CW/CCW, 2-phase (x1, x2, x4) | |||
| Counting speed (max.) | 200 kpps | 4 Mpps | [Differential input]···8 Mpps [DC input]···200 kpps | |
| Function | ·Linear counter function ·Ring counter function ·Coincidence detection function ·Preset function ·Periodic pulse counter function | ·Linear counter function ·Ring counter function ·Coincidence detection function ·Continuous comparison function ·Preset function ·Latch counter function | ·Linear counter function ·Ring counter function ·Coincidence output function ·Cam switch function ·Preset/replace function ·Latch counter function ·Count disable function ·Sampling counter function ·Periodic pulse counter function ·Count disable/preset/replace function ·Latch counter/preset/replace function ·Internal clock function ·Frequency measurement function ·Rotation speed measurement function ·Pulse measurement function ·PWM output function ·General input function ·General output function | |
Multi-function counter/timer module (QD65PD2)
- Perform extremely accurate position tracking
Counting speed up to 8 Mpps (4 multiples of 2 phases)
- Multiple functions designed for ease of use
Pulse measurement function
With a resolution of 100 ns, it is possible to perform highly accurate pulse measurement.
PWM output function
Precisely control PWM output up to 200 kHz. With a resolution of 0.1 µs, superfine control of the duty cycle is possible.
Cam switch function
Configure up to 16 cam settings and use up to 8 dedicated outputs. The cam switch function enables highly accurate timing control.
- Perform sophisticated control using coincidence detection
The coincidence output function allows complex applications to be supported. Depending on the situation, either the cam switch function or the coincidence output function can be used.
Channel isolated pulse input
- ● Channel isolated pulse input module
This module is appropriate for the measurement of input pulse counts (related to speed, revolution, instantaneous flow rate, etc.) and the measurement of quantities (length, cumulative flow, and so forth). The QD60P8-G operates on a 10 ms control cycle, thus the minimum value refresh time is 10 ms. The count cycle setting can be changed to the desired time for cumulative count values and moving average pulse counts (sampling pulse counts).
| Model | QD60P8-G | |
|---|---|---|
| Number of channels | 8 channels | |
| Count input signal | Phase | 1-phase input |
| Signal level | 5 V DC/12...24 V DC, ≥ 4 mA | |
| Pulse input | 1-phase pulse input | |
| Counting speed (max.) | 30 k/10 k/1 k/100/50/10/1/0.1 pps | |
Lineup
| Number of channels | Maximum counting speed | Channel isolated | Input specifications | ||||
|---|---|---|---|---|---|---|---|
| 5 V DC | 12 V DC | 24 V DC | Differential drive output | ||||
| 2 | 2-phase input | 200 kpps | - | QD62 QD62E QD65PD2 | - | ||
| 500 kpps | - | - | - | QD62D | |||
| 4 Mpps | - | - | - | QD64D2 | |||
| 8 Mpps | - | - | - | QD65PD2 | |||
| 6 | 2-phase input | 200 kpps | - | QD63P6 | - | - | - |
| 8 | 1-phase input | 30 kpps | ● | QD60P8-G | - | ||