CMC 356 Reference Manual766.11.5 Accuracy of Binary/Analog Inputs with Option ELT-1The technical data for the binary inputs change with the installation of optionELT-1.Figure 6-19:Simplified diagrams ofanalog and binary inputswith option ELT-1 installedANALOG DC INPUTOnly available with option ELT-1.PTC0 - ±20 mA 0 - ±10 VBINARY/ANALOG INPUT500kΩ 500kΩ3 - 10 identicalCircuit diagram of a binary inputfor potential-free operation240 kΩ500kΩ25 pFVin +Vin -2.5V12VVcomp1 MΩ