| QD62 | 2 channels, 200/100/10 kpps, count input signal: 5/12/24 V DC, external input: 5/12/24 V DC, coincidence output: transistor output (sink), 40-pin connector |
| QD62E | 2 channels, 200/100/10 kpps, count input signal: 5/12/24 V DC, external input: 5/12/24 V DC, coincidence output: transistor output (source), 40-pin connector |
| QD62-H01 | 2 channels, 50 kpps, count input signal: 5/12/24 V DC, external input: 5/12/24 V DC, coincidence output: transistor output (sink), 40-pin connector |
| QD62-H02 | 2 channels, 10 kpps, count input signal: 5/12/24 V DC, external input: 5/12/24 V DC, coincidence output: transistor output (sink), 40-pin connector |
| QD65PD2 | 2 channels, 8 Mpps/200 kpps; count input signal: differential line driver, 5/12/24 V DC, external input: 5/12/24 V DC (only 24 V DC for general input), coincidence output: transistor output (sink), 40-pin connector x 2 |
| QD63P6 | 6 channels, 200/100/10 kpps, count input signal: 5 V DC, 40-pin connector |
| QD62D | 2 channels, 500/200/100/10 kpps, count input signal: EIA standard RS-422-A (differential line driver), external input: 5/12/24 V DC, coincidence output: transistor output (sink), 40-pin connector |
| QD64D2 | 2 channels, 4 Mpps, count input signal: differential line driver, external input: 24 V DC, coincidence output: transistor output (sink), 40-pin connector |
| QD65PD2 | 2 channels, 8 Mpps/200 kpps; count input signal: differential line driver, 5/12/24 V DC, external input: 5/12/24 V DC (only 24 V DC for general input), coincidence output: transistor output (sink), 40-pin connector x 2 |