52
4 SYSTEM CONFIGURATION
4.4 Limitation on Current Consumption
Power supply check from the powered input/output module
(current consumption calculation)
If 5 V DC and 24 V DC power supplies of the CPU module are insufficient and system cannot be extended, add a powered
input/output module.
Check if power can be supplied to extension modules with the power supply capacity of the powered input/output module.
Calculate following the procedure below.
1.
Check the power supply capacity of the powered input/output module.
(
Page 35 Powered input/output module)
2.
Check the current consumption of the extension module.
(
(
Page 36 Intelligent function module)
3.
Calculate the total current consumption of each power supply.
Type
Model
Power supply capacity
5 V DC power supply
24 V DC power supply
Powered input/output module
FX5-32ER/DS
965 mA
310 mA
Type
Model
Current consumption
5 V DC power supply
24 V DC power supply
Input module
FX5-16EX/ES
100 mA
85 mA
Output module
FX5-16EYR/ES
100 mA
125 mA
Simple motion module
FX5-40SSC-S
Bus conversion module
FX5-CNV-BUS
150 mA
Analog input
FX3U-4AD
110 mA
Power supply type
Total current consumption
5 V DC power supply
460 mA
24 V DC power supply
210 mA
CPU module
Expansion
adapters
Output
module
Connector
conversion
module
Input
module
Output
module
Input
module
FX5
Intelligent
module
FX3
Intelligent
module
Powered
input/
output
module
Power supply from powered input/output module
Bus
conversion
module
Ex.
Ex.
Ex.
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