Mitsubishi Electric CR750 Series Instruction Manual page 39

(3) Double-click the "Multiple CPU Setting"
Set the number of CPU and this system area size (K Points)
(4) Double-click the "I/O assignment"
When Q173DPX unit is attached to fifth slot, change the type of slot 5 to the "Intelligent".
6 Parameter Setting
Tracking Parameter Setting 6-29