130
FX3UC Series Programmable Controllers
User’s Manual - Hardware Edition
4 Power Supply Specifications and External wiring
4.1 Selection of the external DC power supply to prepare
4.1 Selection of the external DC power supply to prepare
4.1.1 Power supply specifications
This subsection explains the power supply input specification of the main unit and extension power supply
unit.
For the power consumption of special function units/blocks requiring the external power supply, refer to the
manual of the corresponding product.
→ For the built-in power supply for CC-Link/LT networks of the FX
3UC-32MT-LT,
refer to Subsection 9.2.4.
*1. The 24V DC power changes the specifications of the voltage range by system configuration.
→ For details, refer to "Subsection 4.1.2 The input range of power supply voltage".
*2. For fuse blowout in the CC-Link/LT built-in power supply circuit in the FX
3UC-32MT-LT, refer to the
following.
→ For details, refer to "Subsection 12.7.2 Operation at blowout of built-in
power fuse for CC-Link/LT".
*3. Power consumption changes according to the system configuration.
→ For details, refer to "Subsection 4.1.3 Power consumption of the extension equipment".
Item
Specification
FX3UC-
MT/D, DSS
FX3UC-32MT-LT FX3UC-1PS-5V
16MT/
32MT/
64MT/
96MT/
Supply voltage
*1
24V DC +20% -15% Ripple Voltage (p-p)5% or less
Allowable
instantaneous
power failure
time
Operation can be continued upon occurrence of an instantaneous power failure for 5ms or less.
Power fuse 125V 3.15A
CPU, I/O operations
power supply circuit
125V 3.15A
125V 3.15A
CC-Link/LT built-in
power supply circuit
*2
125V 0.8A
Rush current 30A max.0.5ms / 24V DC
Power
consumption
6W
*3
8W
*3
11W
*3
14W
*3
7W
*3
1W
*3
(When extension
units/blocks are con-
nected max.25W)
5V DC built-in
power supply
(5V DC)
600mA 560mA 480mA 400mA 350mA 1A
Built-in power
supply for CC-
Link/LT
networks
- 24V DC 350mA -
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