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| Model | QD51-R24 |
|---|---|
| Type | High-speed counter module |
| Number of channels | 2 |
| Isolation | Photocoupler isolation |
| Operating temperature | 0 to 55 °C |
| Storage temperature | -25 to 75 °C |
| Manufacturer | Mitsubishi |
| Counting range | -2147483648 to +2147483647 |
| Power supply | 5 VDC (from main module) |
| Current consumption | 0.3 A |
| Communication method | RS-232, RS-422/485 |
| Data length | 7 or 8 bits |
| Stop bit | 1 or 2 bits |
| Parity | None, Even, Odd |
| Maximum input frequency | 500 kHz (Differential line driver), 200 kHz (Open collector) |
| Flow control | None, XON/XOFF, RTS/CTS |











