139
FX
3UC
Series Programmable Controllers
User’s Manual - Hardware Edition
5 Input Specifications and External wiring
5.2 24V DC Input Type
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)
5.2.2
Input Derating Curve
The derating curve below shows the simultaneous ON ratio of available PLC inputs with respect to the
ambient temperature. Use the PLC within the simultaneous input ON ratio range shown in the figure.
1. In case of the FX
3UC
-
MT/D, DSS
2. In case of the FX
3UC
-32MT-LT
When only the main unit is used
(without extension blocks/units)
Derating curve
Simultaneous ON ratio
80%
55
°
C
Ambient temperature
applicable
20%
45
°
C
When extension blocks/units
are connected
Supply voltage:24V DC
40
°
C
65%
60%
Simultaneous ON ratio
80
°
C
55
°
C
Ambient temperature
applicable
30
°
C 40
°
C
50
°
C
20
°
C
45
°
C
When extension blocks/units
are connected
When only the main unit is used
(without extension blocks/units)
Supply voltage:24V DC
Derating curve
Содержание FX3UC Series
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