48 I/O – Bus Terminals Digital/Analog Input/Output Digital Input Digital Output Analog Input Analog Output Model KL1xxx KL2xxx KL3xxx KL4xxx Function - 2,4,8,16,32,64 channels - 8I/8O Combine I/O - 2,4,5,8,16,32, 64 channels - Combine I/O - 1,2,3,4,8 channels - Range: 0-10V, 10V, 0-20mA, 4-20mA, 20mA, RTD, PT100, Thermocouple, Potentiometer, Pressure <100mV, HART - 1,2,4,8 channels - Range: 0-10V, 10V, 0-20mA, 4-20mA, 20mA, I/O Connection K-Bus E-Bus Digital Input Digital Output Analog Input Analog Output Model KL1xxx KL2xxx KL3xxx KL4xxx Function - 2,4,8,16,32,64 channels - 8I/8O Combine I/O - 2,4,5,8,16,32, 64 channels - Combine I/O I/O Connection K-Bus E-Bus