NI PXIe-5450矢量调制器
1.产 品 介 绍
品牌：NI
型号：NI PXIe-5450
产品说明：矢量调制器
优势：供应进口原装正品，专业停产配件。
快递方式：国内顺丰、德邦、京东快递包邮，按照实际报价货期发货
2.产 品 详 情 资 料：
NI PXIe-5450矢量调制器连接器上的信号可用，但RS-422规范中不包括这些信号。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-和+相同。A和B表示输出，A’和B’表示输入。接收数据（RD）信号的终端电阻只需连接在线路末端的单元上。NI PXIe-5450通过在5引脚D外壳内的引脚9和0之间连接跳线，可在90系列PLC产品上实现此端接，但以下情况除外：对于目录号为IC697CPU73 J和IC697CPU77 G的90-70系列PLC以及更早版本，PLC上的RD端接通过引脚9和之间的跳线实现。Workmaster串行端口Workmaster II工业计算机，RS-232串行端口是25针D型公连接器，早期型号Workmaster是9针公连接器。图A-2显示了两个com的串行端口连接器布局NI PXIe-5450
Signals available at the Connector but are not included in the RS-422 specification. 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.Termination resistance for the Receive Data (RD) signal needs to be connected only on units at the end of the lines. This termination is made on the Series 90 PLC products by connecting a jumper between pins 9 and NI PXIe-5450 inside the NI PXIe-5450-pin D-shell with the following exception For Series 90-70 PLCs with Catalog Numbers IC697CPU73NI PXIe-5450 and IC697CPU77NI PXIe-5450 and earlier the termination for RD at the PLC is implemented by a jumper between pins 9 and NI PXIe-5450.Workmaster Serial Port The Workmaster II industrial computer, RS-232 serial port is a 25-pin D-type male connector, and the early model Workmaster is a 9-pin male connector. Figure A-2 shows the serial port connector layout for both com
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