53
FX
3UC
Series Programmable Controllers
User’s Manual - Hardware Edition
1 Outline
1.9 Calculation of 5V DC power supply capacity (current consumption)
1
O
utline
2
Exter
nal
D
im
en
sions
3
Ge
ne
ric
Speci
ficat
ions
4
Pow
er Suppl
y
Specif
icati
ons
5
Input
Spec
ific
ations
6
O
utput
Specif
icat
ions
7
Exam
pl
es
of
W
iri
ng
fo
r
Va
rious U
ses
8
Te
rm
inal B
lock
9
CC
-L
in
k/L
T
Ma
ste
r F
X
3UC
(LT
only)
10
D
ispl
ay m
odule
FX
3UC
(L
T only)
1.9
Calculation of 5V DC power supply capacity (current consumption)
Confirm the current consumption using the following procedures.
When the main unit built-in power supply is insufficient, add an extension power supply unit (FX
3UC
-1PS-5V)
in accordance with the necessity.
1) Calculating the current in extension equipment that can receive power from the main unit built-in power
supply.
Check whether the current consumption of extension equipment to be connected is not more than the
capacity of the main unit built-in power supply.
2) Calculating the current in extension equipment that can receive power from the extension power supply
unit (FX
3UC
-1PS-5V)
a) When only FX
3UC
/FX
2NC
Series units are connected for extension:
b) When FX
3UC
, FX
2NC
, FX
3U
, FX
2N
and FX
0N
Series equipment are connected for extension
For connection including the FX
3U
, FX
2N
or FX
0N
Series extension equipment, the FX
2NC
-CNV-IF or
FX
3UC
-1PS-5V is required:
When the capacity of the main unit built-in power
supply is insufficient, connect an extension power
supply unit (FX
3UC
-1PS-5V) .
Select , or as and and
proceed to 2).
FX
3UC
Main unit
Special adapter
Expansion board
GOT
Programming tool
I/O extension
devices
FX
3UC
Main unit
FX
3UC
-1PS-5V
FX
3UC
special function
FX
2NC
I/O
FX
2NC
special function
Special function
devices
Proceed to "2) FX
3UC
-
1PS-5V" below.
Calculate the current consumption
of the GOT/programming tool
connected to the FX
3U
-422-BD.
FX
3UC
-16MT/
:
600mA
FX
3UC
-32MT/
:
560mA
FX
3UC
-64MT/
:
480mA
FX
3UC
-96MT/
:
400mA
FX
3UC
-32MT/
:
350mA
mA
mA
mA
mA
I/O extension
devices
Special function
devices
FX
3UC
-1PS-5V
FX
2NC
I/O
FX
3UC
special function
FX
2NC
special function
Proceed to
1) above.
When the capacity is still insufficient:
Connect one more extension power supply unit (FX
3UC
-1PS-5V) , and examine the
configuration of the remaining extension equipment.
1A(1000mA)
mA
mA
When there are FX
3UC
or FX
2NC
Series extension equipment ,
or , connect them first, and then connect the FX
2NC
-CNV-IF.
When the capacity is still insufficient:
Adopt the connection configuration shown in a) above (but the FX
2NC
-CNV-IF is not allowed), connect
the extension power supply unit (FX
3UC
-1PS-5V) , and then examine the entire configuration.
I/O extension
devices
Special function
devices
FX
3UC
-1PS-5V
FX
2NC
-CNV-IF
FX
2N
I/O
FX
0N
I/O
FX
3U
/FX
2N
special function
FX
0N
special function
FX
3UC
special function
FX
2NC
special function
FX
2NC
I/O
Proceed to
1) above.
mA
1A(1000mA)
mA
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