FX
3U
Series Programmable Controllers
User’s Manual - Hardware Edition
235
12 Output Wiring Procedures
12.2 External Wiring for Relay Output
11
Hi
gh
-Speed
Counters
12
O
utput W
iri
ng
13
W
iri
ng for
V
ari
ous
Us
es
14
Te
st R
un,
Mai
nten
ance,
T
roubl
es
hooti
ng
15
IInput/Output
Pow
ered
Exte
nsi
on U
nit
s
16
Input/O
utput
Extens
ion
Bl
ock
s
17
Extension
Power Suppl
y
Un
it
18
Other Extens
ion
Uni
ts an
d
Opti
ons
19
D
isplay M
od
ule
20
Te
rminal
Bl
oc
k
12.2.5 Example of external wiring
WIRING PRECAUTIONS
• Do not wire vacant terminals externally.
Doing so may damage the product.
Y0
COM1
Y3
Y4
COM2
Y7
Output extension block
relay output
Y0
COM1
Y7
Y0
COM2
Y7
Y0
COM5
Y7
Y0
COM1
Y3
Y0
COM1
Y7
Y0
COM2
Y7
Load
(Vacant terminal)
(Vacant terminal)
(Vacant terminal)
(Vacant terminal)
(Vacant terminal)
(Vacant terminal)
(Vacant terminal)
(Vacant terminal)
AC power supply
100 to 240V
PL
Power ON
Emergen
cy stop
MC
MC
MC
MC
DC power
supply
Power supply for load
connected to PLC output
For details on emergency stop
operation, refer to "DESIGN
PRECAUTIONS" at "Safety
Precautions" field.
Load
Load
Load
Load
Load
Load
Load
Main unit
relay output
Input/output powered
extension unit
relay output
Output extension block
relay output
Fuse*
* The output circuit of this PLC does not have a
built-in fuse.
Provide a fuse suitable to each load to
prevent blowout of the wires on the circuit
board caused by output element fracture due
to load short-circuiting.
Fuse*
Fuse*
Fuse*
Fuse*
Fuse*
Fuse*
Fuse*
Breaker
Summary of Contents for FX2-16E series
Page 2: ......
Page 8: ... 6 Safety Precautions Read these precautions before use MEMO ...
Page 519: ......