Xinje XC Series User Manual page 39

3 System Structure
How to Calculate the I/O Points
Basic Unit XC3-32R-E (18I/14O) connects with five expansions: XC-E8X8Y、
XC-E16X、XC-E32Y、XC-E2AD、XC-E4DA. Then the total I/O points should be:
Input Points: 18 + 8 + 16 = 42
Output points: 14 + 8 +32 = 54
Total points: Input+ Output = 42+54=96