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产品介绍
USB-4700系列包括即插即用数据采集模块，因此无需再打开您的计算机机箱来安装板卡。仅需插上模块，便可以采集到数据。USB-4751/4751L是一个带有USB总线的48/24数字I/O模块。它的48/24位被分为6/3组8位I/O接口。用户可以通过软件配置每个端口为输入或输出。USB-4751/4751L也提供了一个计数器和3个16位的定时器，它可以组合成一个32位定时器。
规格
| Digital Input | |
| Channels | USB-4751: 48 (shared with output) |
| USB-4751L: 24 (shared with output) | |
| Compatibility | 5 V/TTL |
| Input Voltage | Logic 0: 0.8 V max. |
| Logic 1: 2 V min. | |
| Digital Output | |
| Channels | USB-4751: 48 (shared with input) |
| USB-4751L: 24 (shared with input) | |
| Compatibility | 5 V/TTL |
| Output Voltage | Logic 0: 0.5 V max. |
| Logic 1: 3.8 V min. | |
| Output Capability | Sink: 12 mA @ 0.5 V |
| Source: 12 mA @ 3.8 V for single channels | |
| 5 mA @ 3.8 V for all channels in high status | |
| Counter/Timer | |
| Channels | 2 |
| Resolution | 32-bit |
| Max. Input Frequency | 10 MHz |
| General | |
| Bus Type | USB 1.1/2.0 |
| I/O Connector | 50-pin box headers, pin assignments are fully |
| compatible with Opto-22 I/O module racks | |
| Dimensions (L x W x H) | 132 x 80 x 32 mm (5.2" x 3.15" x 1.26") |
| Power Consumption | Typical: 5 V @ 200 mA |
| Max.: 5 V @ 500 mA | |
| Operating Temperature | 0 ~ 60°C (32 ~ 140°F) (refer to IEC 68-2-1, 2) |
| Storage Temperature | -20 ~ 70°C (-4 ~ 158°F) |
| Storage Humidity | 5 ~ 95% RH, non-condensing (refer to IEC 68-2-3) |
订货信息
| USB-4751-AE | 48-ch Digital I/O USB Module |
| USB-4751L-AE | 24-ch Digital I/O USB Module |
| 1960004544 | Wallmount Bracket |
| 1960005788 | VESA Mount Bracket |
| PCL-10150-1.2E | 50-pin Flat Cable, 1.2 m |
| ADAM-3950-AE | 50-pin DIN-rail Flat Cable Wiring Board |
| PCLD-782B-AE | 24-ch IDI Board w/ 20-pin & 50-pin Flat Cables |
| PCLD-785B.html' target='_blank'>PCLD-785B-AE | 24-ch Relay Board w/ 20- pin & 50-pin Flat Cables |
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