Installation manual
Description of the Previdia Ultra system parts
41
[L]
Visual signalling of IFMEXT
modules
[M]
Mounting screw locations
[N]
Connector for the CAN
drive bar or other front-
plate module
[O]
Connector for front-plate
module
[P]
Mini USB port
[Q]
Label with firmware
revision of the module
IFMEXT LED
Colour
On solid
CAN
Blue
Activity on the CAN communication BUS
EXT
Red
Extinction activated (running or ended)
Yellow
Fault on VALVE terminal line
HOLD
Red
Extinction stopped manually or automatically
Yellow
Fault on the line of the HOLD terminal
PRE-EXT
Red
Pre-extinction phase running
Yellow
Fault on the line of the PRE-EXT terminal
REL
Red
Extinction terminated
Yellow
Fault on the RELEASED terminal line
L
M
P
O
N
M
Q