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12
SONIX
TM
Hmi-26 Technical Manual
SONIX HMI26 TECHNICAL MANUAL
TM375 / A June 2022 www.eaton.com
4 Unit operation
4.1 Data communications
The Hmi-26 unit communicates with the Sonix PA/
GA system rack using RS-485 serial and a balanced
audio pathway. The protocol used is a proprietary Sonix
datagram format with messages exchanged every
100ms. The datagrams contain system status and
activity from the PA/GA and access panel status and
activity going to the PA/GA rack. While idle, the Hmi-
26 access panel is transmitting low level audio that is
monitored by the PA/GA rack to detect degradation in
the audio pathway.
It is possible to disable a Hmi-26 access panel from
sending status updates to the 2Mx central controller
by setting Data Out to disabled, this is NOT a
recommended setting.
ote:
N
Access panels with Data Out option disabled will not update sta-
tus but will respond to configuration queries and updates.
Key setting
Data Out Port 1
Enabled
4.2 System Status reporting
The unit reports system status on the LEDs visible to
the user. System A and System B status is reported on
independent sets of indicators.
Figure 7 - Status reporting LEDs
4.2.1 Health
Indication of PA/GA system health:
None
Power is missing or LED fault
Green
System is healthy, no faults reported
Red
System is in fault, check the 2Mx
central controller and SAS for details
Green and
System is currently healthy but had a
flashing RED previous fault detected (cleared on fault
reset)
The Health indicator has no confi gurable options.
4.2.2 Busy
Indication of activity on the PA/GA system:
None
System is idle
Green
System is active
Slow flashing
AB+ active
Green (~ 0.7 Hz)
Fast flashing
Engineers’ panel active on system
Green (~ 3 Hz)
The Busy indicator has no confi gurable options.
4.2.3 Comms
Status of communications for this Hmi-26 access panel:
Green
Communications healthy, receiving data
from PA/GA system
Red
No communications from system,
check cabling and PA/GA system rack
Green and
Communications currently healthy but
Flashing Red had a previous fault detected (cleared
on fault reset)
The Comms indicator can be disabled by preventing
monitoring of the data communications status in
confi guration (not recommended).
4.2.4 Auto Initiate
Flag to indicate that current active alarm has been
initiated from contacts fed into the IO-Tu unit:
Green
System has alarm generated by remote
initiated input
None
System does not have an active remote
initiated alarm
The Auto Initiate indicator has no confi gurable options.
4.2.5 Auto Inhibit
Reserved for future expansion, not currently in use.
4.2.6 Intercom
Reserved for future expansion, not currently in use.
Alarm 1
Alarm 2
Alarm 3
Alarm 4
Alarm 5
Alarm 6
B
A
Alarm
Cancel
Alarm
Attenuate
Zone
Button 5
Zone
Button 6
Zone
Button 7
Zone
Button 9
Zone
Button
10
Zone
Button
11
A
B
Zone
Button 1
Zone
Button 2
Zone
Button 3
Zone
Botton 8
Zone
Button 4
Zone
Button
12
Local Att LED Test
Fault
Ack
MS12 /
Monitor
PUSH TO TALK
Local Att
LED Test
Fault
Ack
MS12 /
Monitor
Local Att
LED Test
Fault
Ack
MS12 /
Monitor
Local Att LED Test
Fault
Ack
MS12 /
Monitor
Important
Message
Alarm
Cancel
Health
Auto Initiate
Comms
Auto Inhibit
Intercom
Busy
STATUS
B
A
0%
100%
VU Meter
