Mitsubishi Electric MELSEC iQ-F Series User Manual page 58

Current consumption check procedure
Calculate current consumption in the following order and consider whether to add a powered input/output module or extension
power supply module.
1.
Check if the current consumption of the extension devices exceeds the power supply capacity of the CPU module. (
Page 57 Current consumption)
Ex.
CPU module
Power supply
2.
If the power supply capacity of the CPU module is exceeded, add a powered input/output module or extension power
supply module and calculate current consumption again.
Ex.
Calculate the current consumption in the ranges powered by the CPU module and by the powered input/output module.
CPU module
Power supply
2 SYSTEM CONFIGURATION
56
2.3 System Configuration Specifications
Power supply
Powered input/output module
Power supply Power supply