Mitsubishi FX3UC SERIES User Manual page 234

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