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描述：
PCI，内含分析软件，IEEE 488 GPIB仪器控制设备—PCI‑GPIB+在单个设备上集成了一个IEEE 488控制器和一个分析仪，适用于带有PCI插槽的计算机。 您可以使用此设备，通过GPIB将仪器集成到系统中，以及排除和解决GPIB硬件和软件问题。
PCI‑GPIB+提供了最高的IEEE 488.2传输速率。 板载总线DMA主控制器确保了持续的数据传输，不会发生微处理器中断。 该设备包含了NI‑488.2驱动软件的许可证，为连接基于GPIB的第三方仪器提供最大可靠性。
Description:
National Instruments PCI-GPIB GPIB Instrument Control Device
The PCI-GPIB (Part Numbers: 778686-01, 778032-01, 783007-01) can support information exchange rates of more than 1.5 MB/s utilizing the IEEE 488.1 three wire interlocked handshake. This device also actualizes the fast IEEE 488.1 non-interlocked handshake (HS488) for benchmarked information exchanges at more than 7.7 MB/s. The locally available bus ace DMA controller implies that there are no microchip interferences in information exchange.
A PCI-GPIB Board can be a Talker, Listener, and additionally Controller. As the name suggests, a Talker sends information to at least one Listener, A Listener acknowledges information from a Talker, and a Controller deals with the stream of data over the bus. A NI PCI-GPIB is a Listener when its information designs and ranges are set, then functions as a Talker when it sends its readings to the PC. The Controller is accountable for all interchanges over the bus. The Controller's activity is to ensure just a single gadget attempts to talk at once, while ensuring the right Listeners are focusing when the Talker talks. Each PCI GPIB Controller Card’s framework has a solitary framework controller. The framework controller is accountable for the transport and is in charge as the transport is fueled up.
The PCI GPIB is an 8-bit parallel information exchange bus. Notwithstanding the 8 information bits, the bus conveys three handshaking lines and five NI PCI GPIB administration and control lines. The rest of the standard 24 stick GPIB link is utilized for the link shield, signal grounds and returns. The link length between back to back gadgets cannot be more prominent than 4 meters, while normal link length must be 2 meters or less. Longer length frameworks are conceivable, however just with the utilization of a PCI-GPIB National Instruments extender card.
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