描述
PLC外部驱动电路对于PLC输出不能直接带动负载的情况下，必须在外部采用驱动电路：可以用三极管驱，也可以用固态继电器或晶闸管电路驱动，同时应采用保护电路和浪涌吸收电路，且每路有显示二极管（LED）指示。印制板应做成插拔式
NATIONAL INSTRUMENTS PCI-6516 DIGITAL SOURCE OUTPUT DAQ
NI National Instruments DIO Card ISA PC-DIO-96/PnP
National Instruments AT-MIO-16 Data Acquisition Card NI
National Instruments CB-68LPR , LNC
National Instruments NI 4351 PCI Datalogger Card
National Instruments PCI-7314 Stepper Controller 4-Axis
National Instruments PCI-7314 Stepper Controller 4-Axis
NATIONAL INSTRUMENTS 100 Pin 2m Cbl SH100-100-F SAVE$79
NATIONAL INSTRUMENTS 100 Pin 2 meter Cable SH100-100
