228
FX
3UC
Series Programmable Controllers
User’s Manual - Hardware Edition
8 Terminal Block Specifications and External Wiring
8.7 FX-16EX-A1-TB
8.7.2
Internal circuit
8.7.3
Example of input external wiring
1
3
4
5
6
0
2
7
1
3
0
2
4
5
6
7
0 to 7 Lower numbers
0 to
7 Higher numbers
24+
24-
COM1
COM1
COM2
COM2
COM3
COM3
COM4
COM4
4 to
7
(20)
6
7
5
4
3
2
1
0
COM
6
7
5
4
3
2
1
0
(10)
(19)
(9)
(18)
(8)
(17)
(7)
(6)
(5)
(4)
(3)
(2)
(1)
(16)
(15)
(14)
(13)
(12)
(11)
CN1
Photo-
coupler
Photo-
coupler
Photo-
coupler
Photo-
coupler
0 to 3
0 to
3
4 to 7
*2
*2
*1. "24+" when connected to FX
2N
-16EX-C.
*2. " " when connected to FX
2N
-16EX-C.
*1
*1
COM
1
3
4
5
6
0
2
7
1
3
0
2
4
5
6
7
24+
24-
COM1
COM1
COM2
COM2
COM3
COM3
COM4
COM4
PLC input
No.
Photo-coupler
power supply
100 to
120V AC
4 to
7
0 to 3
0 to
3
4 to 7
Fuse
Fuse
24V DC
+10%
-15%
Summary of Contents for FX3UC Series
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