16 Input/Output Extension Blocks
265
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
16.6 FX2N-16EXL-C (5V DC Input: 16 Points)
16.6.2 Parts identification and terminal arrangement
When an input (X) number is assigned, 8 points on side A will be used for the lower input numbers, and 8
points on side B will be used for the higher input numbers.
16.6.3 External dimensions
16.6.4 Example of wiring
1. Wiring on input side
Sink input
Connector type
Terminal arrangement
With cover
Input indicator
lamps
(LED lamps)
Input indicator
lamps
(LED lamps)
Without cover
Rear line
extension
connector
X0
X1
X2
X3
X4
X5
X7
X6
5+
1
2
3
4
5
6
8
7
9
No.
10
11
12
13
14
15
16
18
17
19
No.
20
X0
X1
X2
X3
X4
X5
X7
X6
5+
B
Side
Side
A
Connector
pin arrangement
Lower
numbers
Higher
numbers
80(3.15")
(mounting hole pitch)
Unit:mm (inches)
87(3.43")
90(3.55")
9(0.36")
40(1.58")
2- 4.5 mounting holes
Input circuit
X0
Input circuit
X0
X3
X1
5+
S/S
0V 24V
main unit or
input/output powered extension unit
N
L
External
unit
5V DC
TTL
