NI PXIe-4145 PXI源测量单元
1.产 品 介 绍
品牌：NI
型号：NI PXIe-4145
产品说明：PXI源测量单元
优势：供应进口原装正品，专业停产配件。
2.产 品 详 情 资 料：
NI PXIe-4145 隔离/中继器转换器用户在隔离中继器/转换器上感兴趣的项目如下所述。两个25针D型阴连接器（两个25引脚阳连接器，D型连接器（焊料罐））用于用户电缆。NI PXIe-4145 5/230 VAC电源连接（内部）4位端子块。三位拨动开关位于装置背面，根据隔离中继器/转换器逻辑图后面所示的系统配置进行设置。下图提供了装置的功能视图。注意用于控制J端口变送器的3位开关。此开关将在本附录后面的系统配置中讨论。注：所有输入都偏向非活动状态。未连接的输入将在相应的输出上产生二进制（OFF）状态。NI PXIe-4145 NC=无连接SD（发送数据）和RD（接收数据）与TXD和RXD（用于六系列PLC）相同。（A） 和（B）与–相同，+A和B表示输出，A'和B'表示输入
Isolated/Repeater Converter Items of interest to the user on the Isolated Repeater/Converter are described below.NI PXIe-4145 Two 25-pin female D-type connectors (Two 25-pin male, D-type connectors (solder pot), are included for user cabling.5/230 VAC power connection (internal) 4-position terminal bloc . Three-position toggle switch, recessed in the back of the unit, is set according to the system configurations shown later in this appe Logic Diagram of the Isolated Repeater/Converter The figure below provides a functional look at the unit. Note the 3-position switch for controlling the JNI PXIe-4145 port transmitters. This switch is discussed in System Configurations later in this appendix Note: All inputs are biased to the inactive state. Inputs left unconnected will produce a binary NI PXIe-4145 (OFF) state on the corresponding output.NC=No Connection SD (Send Data) and RD (Receive Data) are the same as TXD and RXD (used in the Series Six PLC). (A) and (B) are the same as – and + A and B denote outputs, and A’ and B’ denote inputs
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