245
FX
3UC
Series Programmable Controllers
User’s Manual - Hardware Edition
8 Terminal Block Specifications and External Wiring
8.13 FX-16EYS-TB
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)
8.13.4 External wiring precautions
1. Protection circuit for load short-circuits
A short-circuit at a load connected to an output terminal could
cause burnout at the output element or the PCB. To prevent this, a
protection fuse should be inserted at the output.
2. Micro current load
The PLC’s internal Triac output circuit is equipped with a turn-off C-
R absorber. When connecting a very low current load of "0.4VA/
100V AC or less or 1.6 VA/200V AC or less", please connect a
surge absorber parallel to the load.
Select the rated voltage of a surge absorber that is suitable for the
load being used. Refer to the table below for other specifications.
Reference
3. Interlock
For loads such as forward/reverse contactors, etc., where
a hazardous condition could result if switched ON
simultaneously, an external interlock should be provided
for interlocking the PLC’s internal programs as shown to
the right.
4. In-phase
PLC output contacts (*) should be used in an "in-phase"
manner.
Item
Guide
Static electricity capacity
Approx. 0.1
µ
F
Resistance value
Approx. 100 to 200
Ω
Manufacturer
Model name
Manufacturer
Model name
Okaya Electric Industries Co., Ltd. CR-10201
Rubycon Corporation
250MCRA104100M B0325
Terminal block
Load
Fuse
COMn
0 to 7
Micro current load
Surge
absorber
U
Interlock
PLC output
element
Forward limit
Reverse limit
Forward
Reverse
U
U
U
*
*
*
*
U
U
U
Bad
Good
Содержание FX3UC Series
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