Calculation Examples For The Average Power Consumption - Mitsubishi Electric MELSEC iQ-R Series Configuration Manual

Calculation examples for the average power consumption

System configuration
(1) (2) (3)
■ 5VDC/24VDC current consumption of each module
No. Module or unit
(1) Power supply module
(2) CPU module
(3) Input module
(4) Output module
(5) Network module
(6) Intelligent function module
(7) Base unit
Power consumption of each block
■ Power consumption of power supply module
= 3/7  (0.69 + 0.04 + 0.04 + 0.052 + 0.6 + 0.272 + 0.22)  5 = 4.10(W)
W
PW
■ Total power consumption for 5VDC logic circuits of all module
= (0.69 + 0.04 + 0.04 + 0.052 + 0.6 + 0.272 + 0.22)  5 = 9.57(W)
W
5V
■ Total of the 24VDC average power consumption of the output module
= 0.01  24  1 = 0.24(W)
W
24V
■ Average power consumption when the voltage drop of the output module occurs
= 0.1  0.2  16  1 = 0.32(W)
W
OUT
■ Average power consumption at the input section of the input module
= 0.004  24  32  1 = 3.07(W)
W
IN
■ Power consumption of the external power supply used for each module
= 0.192  24 = 4.61(W)
W
S
Power consumption of the overall system
W = 4.10 + 9.57 + 0.24 + 0.32 + 3.07 + 4.61 = 21.91(W)
(4) (5) (6)
(7)
5VDC

0.69A
0.04A
0.052A
0.6A
0.272A
0.22A
Appendix 9 Calculating Heating Value of Programmable Controller
24VDC



0.01A

0.192A

APPX
A
195