描述
动力线、控制线以及PLC的电源线和I/O线应分别配线，隔离变压器与PLC和I/O之间应采用双胶线连接。将PLC的IO线和大功率线分开走线，如必须在同一线槽内，分开捆扎交流线、直流线，若条件允许，分槽走线最好，这不仅能使其有尽可能大的空间距离，并能将干扰降到最低限度。
National Instruments VXI-MXI-2
NATIONAL INSTRUMENTS USB 9211A 4-CH,24-BIT THERMOCOUPLE
SAVE $2200 National Instruments PCI-6033E FREE WW SHIP
National Instruments DAQ Card, PCI-6052E
National Instruments NI PXI-2503 Relay Multiplexer
One-day shipping available
NATIONAL INSTRUMENTS PCI-6251 DATA ACQUISITION
NATIONAL INSTRUMENT 779015-01 USPP 77901501
New National Instruments DAQCard-6036E 16-Bit,200 kS/s
National Instruments NI PXI-5600 Card
