Mitsubishi Electric MELSEC iQ-F FX6U Hardware User Manual page 88

Check of limitation on current consumption
Check if power required for extension devices can be supplied from the CPU module and extension power supply module.
A case using 24 V DC service power supply for input circuit is explained as an example.
■ Check of power supply from the CPU module
(Page 69 Power supply check from the CPU module (current consumption calculation))
Power supply capacity of the CPU module
Type
CPU module
Current consumption of extension devices
Type
Expansion board
Expansion adapter
Expansion adapter
Input module
Output module
Output module
Capacity of 5 V DC
power supply
CPU module
900 mA
Capacity of 24 V DC
service power supply
CPU module
400 mA
4 SYSTEM CONFIGURATION
86
4.5 Rules of System Configuration and Examples of Reconfiguration
Model
FX5U-32MR/ES
Model
FX5-232-BD
FX5-232ADP
FX5-485ADP
FX5-16EX/ES
FX5-16EYT/ES
FX5-16EYT/ES
Current consumption
Total of current
consumed by extension
module
-
370 mA
Current consumption
Total of current
consumed by extension
module
-
395 mA
Power supply capacity
5 V DC power supply
900 mA
Current consumption
5 V DC power supply
20 mA
30 mA
20 mA
100 mA
100 mA
100 mA
Calculation result
=
530 mA
Calculation result
=
5 mA
24 V DC service power supply
400 mA
(24 V DC service power supply is used for
input circuit)
24 V DC power supply

30 mA
30 mA
85 mA
125 mA
125 mA
OK
OK