Internal Circuit; Example Of Output External Wiring - Mitsubishi FX3U SERIES User Manual

FX Series Programmable Controllers
3U
User's Manual - Hardware Edition

20.9.2 Internal circuit

3.3kΩ
Photo-
thyristor
3.3kΩ
Photo-
thyristor

20.9.3 Example of output external wiring

PLC output
No.
Photo-coupler
power supply
24V
DC
428
(20) (10)
(19) (9)
COM
7 (18) (8)
(17) (7)
6
(16) (6)
5
(15) (5)
4
3 (14) (4)
(13) (3)
2
(12) (2)
1
(11) (1)
0
0 to 7 Lower numbers
Surge absorbers are connected to each output
0 1 2 3 4 5 6 7
U
24+ 1 3
COM1
24- 0 2 4
COM1
Surge absorbers are connected to each output
0 1 2 3 4 5 6 7
U
24+ 1 3
COM1
24- 0 2 4
COM1
Fuse
COM
3.3kΩ
7
Photo-
6
thyristor
5
4
3
2
1 3.3kΩ
0
Photo-
thyristor
0 to
0 1 2 3
U
5 7 1 3
COM2
6 0 2
COM2 COM3
0 1 2 3
U
5 7 1 3
COM2
6 0 2
COM2 COM3
Fuse
20 FX-16/32E*-*-TB (Terminal Block)
20.9 FX-16EYS-TB
7 Higher numbers
4 5 6 7
U U
5 7
COM3 COM4
4 6
COM4
4 5 6 7
U U
5 7
COM3 COM4
4 6
COM4
Load
Fuse