數(shù)字量輸入卡件 DI4andDI8(4and8ChDigitalInput) VoltageInput,ContactClosure CommonGround 10msscantime DI6(6ChACVoltageInput) 115Vac,230Vac Ch-Ch264Vacisolation FI2(2ChFrequencyInput) Frequency 0.01Hz 40KHz Magnetic 10Hz 40KHz Contact 115Vac,230Vac Ch-Ch264Vacisolation