万喜堂app下载网页版 NI PXI-8232以太网接口模块

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型号说明： 万喜堂app下载网页版 NI PXI-8232以太网接口模块

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在FOUNDATION Fieldbus H1电缆上安装连接器。将电缆屏蔽连接到连接器内的接地端子，通过CI582将屏蔽接地。3.将FOUNDATION Fieldbus H1电缆连接至基板上的触点。基金会现场总线H1连接将FF H1总线连接到位于TP852基板上的DB9公连接器。有关设计现场总线（连接器、电缆和设备）的更多信息，NI PXI-8232请参阅现场总线文档。fieldbus在线可通过互联网网站获得供应商、设备、服务和其他现场总线相关项目的目录。为现场设备供电需要现场总线供电的现场设备需要连接到数据线的特殊电源（与现场设备相同）。为避免现场总线信号短路，仅使用具有专门为基金会现场总线设计的阻抗特性的电源。请勿为此目的使用SD82x电源设备。请注意，CI852单元没有单元冗余。不能在高完整性控制器中使用。CI852已被CI860通信接口所取代。 NI PXI-8232仅因遗留原因而被描述。不可能通过热插拔更改CI852单元，也不允许在包含CI852的系统中执行固件的在线升级。NI PXI-8232

Install a connector on the FOUNDATION Fieldbus H1 cable. Connect the cable screen to the ground terminal within the connector to ground the screen via NI PXI-8232. 3. Connect the FOUNDATION Fieldbus H1 cable to the contact on the baseplate. FOUNDATION Fieldbus H1 Connection Connect the FF H1 bus to the male DB9 connector located on the TP852 Baseplate For additional information on designing a fieldbus (connectors, cables and devices), see fieldbus documentation. A catalog referencing suppliers, devices, services and other fieldbus-related items, is available for FIELDBUS ONLINE via the Internet web site. Powering Field Devices Field devices requiring power from the fieldbus need special power supplies connected to the data wires (in the same way as a field device). To avoid shortcircuiting of fieldbus signals, use only power supplies with impedance characteristics specifically designed for FOUNDATION Fieldbus. Do not use SD82x power supply units for this purpose. Note that there is no unit redundancy for the CI852 unit. Cannot be used in High Integrity Controller. CI852 has been replaced by theNI PXI-8232 communication interface. CI852 is only described for legacy reasons. It is not possible to change the NI PXI-8232 unit via hot swap and it is not allowed to perform an online upgrade of firmware in a system containing NI PXI-8232.

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