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12 Output Wiring Procedures
113
FX
3S
Series Programmable Controllers
User's Manual - Hardware Edition
11
Bui
lt-
in Anal
og
12
O
utpu
t Wi
ring
13
Wiri
ng for
Va
rious U
ses
14
Te
st R
un,
M
ain
tenanc
e,
Troub
le
shooting
15
Oth
er Ex
tensi
on
U
nit
s and
Opti
ons
16
Displ
ay
Modul
e
(FX
3S
-5
D
M
)
17
Me
m
ory
C
ass
ette
A
S
pecial D
evice
s
(M
8000-,
D8000-)
B
Instruc
tion Li
st
C
Di
sc
onti
nued
model
s
12.2 External Wiring of Transistor Output (Sink/Source) Type
12.2
External Wiring of Transistor Output (Sink/Source) Type
This section explains "handling of transistor output", "external wiring precautions" and "example of external
wiring".
→
For the transistor output specifications, refer to Subsection 4.4.2.
12.2.1 Transistor Output Sink and Source
There is a product of a sink output and source output in the transistor output of the main units.
• Sink output [-common]
Output to make load current flow into the output (Y) terminal is
called sink output.
• Source output [+common]
Output to make load current flow out of the output (Y) terminal is
called source output.
12.2.2 Handling of transistor output
1. Output terminals
One common terminal is used for 1 or 4 transistor output points.
Sink output
Connect each COM
(number) terminal to the minus side of the load power supply.
The COM
terminals are not connected internally.
Source output
Connect each +V
(number) terminal to the plus side of the load power supply.
The +V
terminals are not connected internally.
Load
Y
Fuse
DC power
supply
COM
+V
Load
Y
Fuse
DC power
supply
Load
Fuse
DC power
supply
Load
Fuse
DC power
supply
COM0
COM2
Sink output type
Y002
Y003
Y000
Main unit
+V0
+V2
Y002
Y003
Y000
Load
Fuse
DC power
supply
Load
Fuse
DC power
supply
Source output type
Main unit
Содержание FX3S-10M series
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