Expansion Of Extension Power Supply Unit (Fx 3U -1Psu-5V) - Mitsubishi FX3U SERIES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardwaer Edition
6.7 Expansion of Extension Power Supply Unit (FX
If the selected devices in section 6.5 are not connectable due to the built-in 5V DC power shortage, add an
extension power supply unit.
1
Enter the current supply specification of the extension power supply unit.
The output current of the extension power supply unit is proportional to the ambient temperature as
shown by the derating curve below. Enter the output current value, based on this derating curve.
Also verify that the number of occupied input/output points from input/output extension block(s)
connected to the extension power supply unit is less than 32.
Power
supply Classification
classification
5
H1
With built-in
Extension
power supply
power supply
unit
Derating curve
Output current [A]
5V DC
1.0
0.8
24V DC
0.3
0.2
0 40
Ambient temperature [°C]
Number of
connected Type
units
−
FX -1PSU-5V
3U
6 Examination of System Configuration
6.7 Expansion of Extension Power Supply Unit (FX3U-1PSU-5V)
-1PSU-5V)
3U
55
Capacity of built-in power
supply
Power supply
5V DC power
for internal
supply [mA]
24V DC [mA]
5- 5-
1
Connectable
I/O occupied
points
[points]
5-
2 3
32
99
1
2
3
4
5
6
7
8
9
10