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C420 Installation Manual
3.3.3 Command and control module
The Command and Control module (MCC), located on the back of the chassis, handles several sections and notifies to the CPU
board any malfunctioning and alarm conditions. This module is composed of the following sections:
•
Power supply
•
Battery charger
•
4 conventional detection circuits
•
Supervised siren output
•
External power supply units control inputs
•
Signalling output (relay) for alarm and fault
Below is reported the description of each element located on the Command and Control module.
Figure 4 – Command and Control module
MCC module connectors
CPU MODULE
This connector is used to connect the CPU board (1)
MR420
MODULE
This connector is used to connect the optional module MR420
EXPANSION
MODULE
This connector is used to connect the optional module ML420 – it is possible to connect up to 4
modules in series.
POWER IN
This connector is used to connect the power supply unit (1)
(1) Connection already in place.
JP9
F1
F2
JP1
JP6
3 2 1
3 2 1
3 2 1
3 2 1
JP7
JP8
JP9
JP12
JP13
3 2 1
3 2 1
POWER IN
CPU
MODULE
MR420
MODULE
EXPANSION
MODULE
RS485
A+ B-
EXT PS1
+ -
EXT PS2
+ -
BATTERY
- +
OUT
+ -
IND CKT
+ -
S.ALARM
PC CC
ALARM
PC CC
PROG
C NC NO
FAULT
C NC NO
CTRL PS
+ -
LINE 1
+ -
LINE 2
+ -
LINE 3
+ -
LINE 4
+ -
RELAY1
CC PC
RELAY2
CC PC
RELAY3
CC PC
RELAY4
CC PC
H3
H1
H2