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17
Sonix 2Mx Technical Manual
SONIX 2MX TECHNICAL MANUAL
TM370 / A June 2022 www.eaton.com
ote:
N
AB+ is now enabled by default on A&B systems
7.2.2 Sync connections
The Sync bus is used to interconnect the 2Mx’s of A
and B systems, it must be connection Top->Bottom to
ensure full and correct coverage
Unit #N
Unit #1
Unit #2
Amp Bus
Sync Bus
Secondary 2Mx Unit
Amp Bus
Sync Bus
Primary 2Mx Unit
Secondary 2Mx
Primary 2Mx
Amplifier Bus
Bottom Top
Bottom Top
Bottom Top
4
1
...
Primary 2Mx
48V
DC
I/P
+ -
Fault
O/P
N/C
Com
Default
Config
Secondary 2Mx
Primary 2Mx
Beacon Bus
Bottom Top
Bottom Top
Bottom Top
4
1
Secondary 2Mx
Primary 2Mx
Amplifier Bus
Bottom Top
Bottom Top
Bottom Top
4
1
0 V
+48 V
0 V
High Speed
Low Speed
+48 V
Secondary 2Mx
48V
DC
I/P
+ -
Fault
O/P
N/C
Com
Default
Config
Primary 2Mx
48V
DC
I/P
+ -
Fault
O/P
N/C
Com
Default
Config
B Side
2Mx Central Controller
350-d Amplifier
350-d Amplifier
350-d Amplifier
Vw2 Beacon
Controller
Vw2 Beacon
Controller
2Mx Central Controller
350-d Amplifier
350-d Amplifier
350-d Amplifier
Vw2 Beacon
Controller
Vw2 Beacon
Controller
A Side
Access Panel
Access Panel
Access Panel
Fire &
Gas
Pbx
Io
Io
Hmi-T
u
Hmi-T
u
PABX
Ms12
B Side
2Mx Central Controller
350-d Amplifier
350-d Amplifier
350-d Amplifier
Vw2 Beacon
Controller
Vw2 Beacon
Controller
2Mx Central Controller
350-d Amplifier
350-d Amplifier
350-d Amplifier
Vw2 Beacon
Controller
Vw2 Beacon
Controller
A Side
Access Panel
Access Panel
Access Panel
Fire &
Gas
Pbx
Io
Io
Hmi-T
u
Hmi-T
u
PABX
Ms12
x
Figure 14 - Faulty AB+ system in action
Figure 15 - Sync Bus connections