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使用BNC-2110可以访问PCI-6259的哪些数字线？
硬件: Multifunction DAQ (MIO)>>Connector Blocks>>BNC-2110
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问题: 我有两个BNC-2110接线盒用于PCI-6259 M系列DAQ卡的数字输入和输出。安装指南中没有指明6259是否和2110兼容，而且2110上有多余的输出口。 那么这些管脚对应于什么？所有的数字输出都是可用的吗？
解答:
首先，使用6259配合BNC-2110时，并不是所有的输出都是可用的；48个DIO管脚中有46个是可以访问的。
可以访问的管脚要比BNC-2110标签上可见的多，下面是BNC-2110标签相对应的管脚：
| BNC 2110 Label | PCI 6259 Pin |
| P0.0 / DIO 0 | P0.0 (pin 52) |
| P0.1 / DIO 1 |
P0.1 (pin 17) |
| P0.2 / DIO 2 |
P0.2 (pin 49) |
| P0.3 / DIO 3 |
P0.3 (pin 47) |
| P0.4 / DIO 4 |
P0.4 (pin 19) |
| P0.5 / DIO 5 |
P0.5 (pin 51) |
| P0.6 / DIO 6 |
P0.6 (pin 16) |
| P0.7 / DIO 7 |
P0.7 (pin 48) |
| PFI 0 / AI START / TRIG 1 | PFI 0 / P1.0 (pin 11) |
| PFI 1 | PFI 1 / P1.1 (pin 10) |
| PFI 2 |
PFI 2 / P1.2 (pin 43) |
| PFI 3 |
PFI 3 / P1.3 (pin 42) |
| PFI 4 |
PFI 4 / P1.4 (pin 41) |
| PFI 5 |
PFI 5 / P1.5 (pin 6) |
| PFI 6 |
PFI 6 / P1.6 (pin 5) |
| PFI 7 |
PFI 7 / P1.7 (pin 38) |
| PFI 8 |
PFI 8 / P2.0 (pin 37) |
| PFI 9 |
PFI 9 / P2.1 (pin 3) |
| EXTSTRB | PFI 10 / P2.2 (pin 45) |
| AI HOLD / SCANCLK | PFI 11 / P2.3(pin 46) |
| CTR 0 OUT | PFI 12 / P2.4 (pin 2) |
| CTR 1 OUT | PFI 13 / P2.5 (pin 40) |
| F OUT / FRQ OUT | PFI 14 / P2.6 (pin 1) |
| -not accessible- | PFI 15 / P2.7 (pin 39) |
Connector block 1 (PCI-6259 connector 0)
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| BNC 2110 Label | PCI 6259 Pin |
| P0.0 / DIO 0 |
P0.8 (pin 52) |
| P0.1 / DIO 1 |
P0.9 (pin 17) |
| P0.2 / DIO 2 |
P0.10 (pin 49) |
| P0.3 / DIO 3 |
P0.11(pin 47) |
| P0.4 / DIO 4 |
P0.12 (pin 19) |
| P0.5 / DIO 5 |
P0.13 (pin 51) |
| P0.6 / DIO 6 |
P0.14 (pin 16) |
| P0.7 / DIO 7 |
P0.15 (pin 48) |
| PFI 0 / AI START / TRIG 1 |
PFI 0 / P0.16 (pin 11) |
| PFI 1 |
PFI 1 / P0.17(pin 10) |
| PFI 2 |
PFI 2 / P0.18 (pin 43) |
| PFI 3 |
PFI 3 / P0.19 (pin 42) |
| PFI 4 |
PFI 4 / P0.20 (pin 41) |
| PFI 5 |
PFI 5 / P0.21 (pin 6) |
| PFI 6 |
PFI 6 / P0.22 (pin 5) |
| PFI 7 |
PFI 7 / P0.23 (pin 38) |
| PFI 8 |
PFI 8 / P0.24 (pin 37) |
| PFI 9 |
PFI 9 / P0.25 (pin 3) |
| EXTSTRB |
PFI 10 / P0.26 (pin 45) |
| AI HOLD / SCANCLK |
PFI 11 / P0.27(pin 46) |
| CTR 0 OUT |
PFI 12 / P0.28 (pin 2) |
| CTR 1 OUT |
PFI 13 / P0.29 (pin 40) |
| F OUT / FRQ OUT |
PFI 14 / P0.30 (pin 1) |
| -not accessible- |
PFI 15 / P0.31 (pin 39) |
Connector block 2 (PCI-6259 connector 1)
BNC-2110上，信号值都是相对数字地的。
相关链接: Product Manuals: NI 625x Specifications
Product Manuals: BNC-2110 Installation Guide
Product Manuals: E Series User Manual
附件:
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报告日期: 09/12/2007
最近更新: 11/15/2007
文档编号: 4DB9G1A0