3.2 Digital Output Module Specifications
3-43
3
4) External Appearance
• Users can replace the fuses.
5) Spare Parts
Reserve the following spare part for maintenance.
Fuse Type: 235004 (LITTEL FUSE)
LED
Color
Indication when ON
ACTIVE
Green
Processing I/O.
F
Red
Fuse blown out, or external power supply not
connected.
1 to 16
Green
The corresponding LED is lit when the output
signal is ON.
Removable terminal block
for field connections
Hinged terminal
cover
Signal label insert
Color code
(dark blue)
LED area
Module description (120DDO34320)
Module mounting screw
(Use a M4 Phillips screwdriver.)
Field wiring terminal
(Use a M3 Phillips screwdriver.)
Terminal block mounting screw
(Use a M3 Phillips screwdriver.)
Fuse
LED Area
120 DDO 343 20
1
2
3
4
5
6
7
8
ACTIVE
9
10
11
12
13
14
15
16
F
INFO
