描述
它用以接收信号或输出信号，便于与PLC进行人机对话。输入的有条码读入器，输入模拟量的电位器等。输出的有打印机、编程器、监控器虽也可对PLC输入信息，从PLC输出信息，但输入输出设备实现人机对话更方便，可在现场条件下实现，并便于使用。随着技术进步，这种设备将更加丰富。
National Instruments NI VXI-MXI Interface Module Board
NATIONAL INSTRUMENT 185904A-01 USPP 185904A01
National Instruments SCXI-1180 Feedthrough Panel
One-day shipping available
National Instruments SCXI-1351 One-Slot Cable Extender
One-day shipping available
National Instruments NB-DIO-24 Digital I/O Board – Maci
One-day shipping available
National Instruments GPIB Shielded Cable 8 m
National Instruments MXI Type M1 Bus Cable 180758-02
