扫描速率:145 周期/秒
总线连接:PXI混合
最大直流切换电流:2 A
最大直流切换电压:150 V
40通道,2 A,DPST PXI继电器模块
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扫描速率:145 周期/秒
总线连接:PXI混合
最大直流切换电流:2 A
最大直流切换电压:150 V
40通道,2 A,DPST PXI继电器模块
以下指标取自 Teledyne 官方在线规格书,按原文档小节分组。
| CHx+ | Positive signal connection |
| CHx- | Negative signal connection |
| COMx+ | Routing destination for the corresponding positive signal connection |
| COMx- | Routing destination for the corresponding negative signal connection |
| Maximum switching voltage Channel-to-channel 150 V Channel-to-ground 150 V, CAT I | Channel-to-channel |
| Channel-to-channel | 150 V |
| Channel-to-ground | 150 V, CAT I |
| Maximum switching power (per channel) | 60 W, 62.5 VA (DC to 60 Hz) |
| Maximum current (switching or carry, per channel) | 2 A |
| Simultaneous channels at maximum current (≤55 °C) | 40 |
| Minimum switching conditions | 20 mV/1 mA |
| DC path resistance Initial <0.5 Ω End-of-life ≥1.0 Ω | Initial |
| Initial | <0.5 Ω |
| End-of-life | ≥1.0 Ω |
| Thermal EMF (typical at 23 °C) | 12 µV |
| Bandwidth (-3 dB, typical at 23 °C, 50 Ω termination) 1-wire ≤30 MHz 2-wire ≤25 MHz | 1-wire |
| 1-wire | ≤30 MHz |
| 2-wire | ≤25 MHz |
| Crosstalk (typical at 23 °C, 50 Ω termination), Channel-to-channel 10 kHz ≤-75 dB 100 kHz ≤-50 dB | 10 kHz |
| 10 kHz | ≤-75 dB |
| 100 kHz | ≤-50 dB |
| Isolation (typical at 23 °C, 50 Ω termination), Open channel 10 kHz ≥75 dB 100 kHz ≥55 dB | 10 kHz |
| 10 kHz | ≥75 dB |
| 100 kHz | ≥55 dB |
| Relay operate time | 1 ms, typical 3.4 ms, maximum |
| Simultaneous drive limit | 40 relays |
| Expected relay life Mechanical 1 × 108 cycles Electrical (resistive) 30 V, 1 A 5 × 105 cycles 30 V, 2 A 1 × 105 cycles | Mechanical |
| Mechanical | 1 × 108 cycles |
| Electrical (resistive) 30 V, 1 A 5 × 105 cycles 30 V, 2 A 1 × 105 cycles | 30 V, 1 A |
| 30 V, 1 A | 5 × 105 cycles |
| 30 V, 2 A | 1 × 105 cycles |
| Sources | PXI trigger lines <0...7> |
| Minimum pulse width | 150 ns |
| Destinations | PXI trigger lines <0...7> |
| Default pulse width | 2 µs, typical |
| Relay type | Electromechanical, non-latching |
| Relay contact material | Palladium-ruthenium, gold covered |
| I/O connector | 160 DIN 41612, 160 positions, male |
| Power requirement | 7 W at 5 V, 2.5 W at 3.3 V |
| Dimensions (L × W × H) | 3U, one slot, PXI/cPCI module 21.6 cm × 2.0 cm × 13.0 cm (8.5 in. × 0.8 in. × 5.1 in.) |
| Weight | 182 g (6.4 oz) |
| Maximum altitude | 2,000 m (at 25 °C ambient temperature) |
| Pollution degree | 2 |
| Ambient temperature range | 0 °C to 55 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2.) |
| Relative humidity range | 10% to 90%, noncondensing (Tested in accordance with IEC 60068-2-56.) |
| Ambient temperature range | -40 °C to 71 °C (Tested in accordance with IEC 60068-2-1 and IEC 60068-2-2.) |
| Relative humidity range | 5% to 95%, noncondensing (Tested in accordance with IEC 60068-2-56.) |
| Operational shock | 30 g peak, half-sine, 11 ms pulse (Tested in accordance with IEC 60068-2-27. Test profile developed in accordance with MIL-PRF-28800F.) |
| Random vibration Operating 5 Hz to 500 Hz, 0.31 grms (Tested in accordance with IEC 60068-2-64.) Nonoperating 5 Hz to 500 Hz, 2.46 grms (Tested in accordance with IEC 60068-2-64. Test profile exceeds the requirements of MIL-PRF-28800F, Class 3.) | Operating |
| Operating | 5 Hz to 500 Hz, 0.31 grms (Tested in accordance with IEC 60068-2-64.) |
| Nonoperating | 5 Hz to 500 Hz, 2.46 grms (Tested in accordance with IEC 60068-2-64. Test profile exceeds the requirements of MIL-PRF-28800F, Class 3.) |
官方规格书:https://www.ni.com/docs/en-US/bundle/pxi-2521-specs/page/specs.html
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