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16 Input/Output Extension Blocks
251
FX
3G
Series Programmable Controllers
User's Manual - Hardware Edition
11
H
igh-Speed
C
ounters
12
O
utpu
t Wi
ring
13
Wi
ring for
Va
rious U
ses
14
Te
st R
un,
M
ain
tenanc
e,
Troub
le
shooting
15
Input/O
utput
Pow
ere
d
Extens
ion U
nit
s
16
Input/Output
Ex
tension
Blocks
17
Extensi
on
Pow
er Suppl
y
Un
it
18
O
ther Ex
tensi
on
Un
its
an
d
O
pti
ons
19
Displ
ay
Modul
e
20
Te
rmi
nal Block
16.2 FX2N-8ER-ES/UL (24V DC Sink/Source Input, Relay Output)
16.2
FX
2N
-8ER-ES/UL (24V DC Sink/Source Input, Relay Output)
16.2.1 Product specifications
The generic specifications are identical to the main unit specifications.
→
Refer to Section 4.1 for generic specifications.
For external wiring, refer to the following chapters.
→
Refer to Chapter 10 for input wiring.
→
Refer to Chapter 12 for output wiring.
1. Power supply specifications
2. Weight and Other specifications (External dimensions are described later.)
3. Input specifications (common to both sink and source inputs)
Item
FX
2N
-8ER-ES/UL
Product type
FX
2N
extension block
Rated voltage
24V DC (supplied from main unit and input/output powered extension unit)
Item
FX
2N
-8ER-ES/UL
MASS (Weight)
Approx. 0.2kg (0.44lbs)
Other
•
The extension cable is already connected to the extension block.
•
Accessories: Label for indication of input/output number
•
The DIN46277 rail (width: 35 mm (1.38")) or direct installation.
Item
FX
2N
-8ER-ES/UL
Input points
4 points
Connection type
Vertical terminal block (M3 screws)
Input form
sink/source
Input signal voltage
24V DC 10%
Input signal current
5mA/24V DC
Input impedance
4.3k
ON input
sensitivity current
Input ON current
3.5mA or more at 24V DC
Input OFF current
1.5mA or less
Input response time
Approx. 10ms
Input signal form (Input sensor form)
Sink input: No-voltage contact input, NPN open collector transistor
Source input: No-voltage contact input, PNP open collector transistor
Input circuit insulation
Photo-coupler insulation
Indication of input operation
LED on panel lights when input.
Input circuit diagram
X
S/S
Source input wiring
4.3k
X
S/S
4.3k
Sink input wiring
Main unit
24V
S/S
0V
Main unit
24V
S/S
0V