MainFeatures48路TTL数字量I/O仿真8255PPI模式0提供比8255更高的驱动能力缓冲电路3通道定时器/计数器中断响应功能DO支持干湿接点系统重启后保持I/O端口设置和DO状态DI模式匹配和状态改变中断能力DI通道可编程数字滤波DO输出状态回读PCIE-1751-AEDigitalI/ODigitalInputChannels48(shared)DigitalOutputChannels48(shared)Compatibility5V/TTLInputVoltageLogic0:0.8Vmax.;Logic1:2Vmin.OutputVoltageLogic0:0.4Vmax.;Logic1:2.4Vmin.OutputCapabilitySink:24mA@0.4V;Source:15mA@3.76VInterruptCapableCh.6GeneralPowerC***umptionTypical:3.3V@850mAMax.:3.3V@2.63AI/OConnectors1x68-pinSCSIfemaleconnectorTemperature(Operating)0~60°C(32~140°F)Temperature(Storage)-20~70°C(-4~158°F)Humidity(Storage)5~95%RH,non-condensing(IEC68-2-3)Busx1PCIExpress,gen1Dimensi***168x100mm(6.6"x3.9")Dimensi***(LxH)168x100mm(6.6"x3.9")Timer/CounterResolution32bitsChannels3Max.InputFrequency10MHzTTLDI/OOutputChannelSinkCurrent24mA@0.4VOutputChannelSourceCurrent15mA@3.76VInputChannels48(shared)OutputChannels48(shared)Counter/TimerResolution3x32-bitcounterChannels3Max.InputFrequency10MHzCompatibility5V/TTL产品描述PCIE-1751-AECIRCUITBOARD,48-chDigitalI/Oand3-chCounterPCIExpress)