描述
可以将多个启动信号并联，将多个停止信号串联，分别送给可编程序控制器的两个输入点，如图5所示。与每一个启动信号和停止信号占用一个输入点的方法相比，不仅节约了输入点，还简化了梯形图电路。
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National Instruments NI SCXI-1102 32-channel Input
National Instruments FP-1100 DeviceNet Interface
NATIONAL INSTRUMENTS GPIB-130 BUS EXTENDER
NATIONAL INSTRUMENTS GPIB-120A BUS EXPANDER/ISOLATOR
National Instruments PCI-GPIB IEEE 488.2 Card
VHDCI Breakout for National Instruments w/ 12′ Cable
NATIONAL INSTRUMENT FP-TB-01 USPP FPTB01
NATIONAL INSTRUMENT FP-TB-1 USPP FPTB11
NATIONAL INSTRUMENT FUS-130 NSPP FUS130
National Instruments NI SCXI-1162HV 32 Channel Module
National Instruments Daq Card 700 Data Aquisition
Expedited shipping available
NATIONAL INSTRUMENTS GPIB-120A BUS EXPANDER / ISOLATOR
NATIONAL INSTRUMENTS SCXI-1160 16 CHANNEL SPDT RELAY
