Deif PPM 300 - Relay Output Wiring

Figure 9.3 Incorrect wiring of the power supply
1 2
F1
12/24 V
+ -
Backup power supply
The DEIF equipment does not contain a backup power supply. The power supply source must therefore include the power backup
needed.
Figure 9.4
Example of a power supply and backup connected to the power supply terminals
Supply 2 12/24 V DC
0 V DC
Supply 1 12/24 V DC
0 V DC
F2
F1
1 2
INFO
DEIF recommends that a 2 A slow blow fuse is used for F1 and F2, and that the diodes are rated 50 V or higher.
9.1.4 Relay output wiring
The following diagram shows how the display unit status OK relay can be connected to a third party device ("1"). This could be an
alarm monitoring system (AMS), a horn or a light.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 131 of 144