描述
PLC上DC24V电源的使用各公司PLC产品上一般都有DC24V电源，但该电源容量小，为几十毫安至几百毫安，用其带负载时要注意容量，同时作好防短路措施（因为该电源的过载或短路都将影响PLC的运行）
National Instruments FP-TC-120 8-Ch. Thermocouple Input
National Instrument PXI-5620 Frequency Domain Digitizer
National Instruments SCXI-1160 16-Channel Relay Board
National Instruments PCI-232/485, 2CH
National Instruments 777421L-04 Software for WIN NT/98
Field Point National Instruments # FP-A1-100
National instruments Matchmaker PCI RS-232, RS-484 Card
National Instruments. CB-27. Connector Block.
National Instruments 182869A-03 3 ft. SCSI To Parallel
National Instrument NI PCI-232/485 2CH 184686D-01
