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4 Configuration
The Hmi-Tu requires no configuration and its status
is not displayed in the Sonix Administration Software
(SAS).
4.1 Unit ID
To make use of the status reports by the Sonix Hmi-
Tu, each Hmi-Tu on a system should have a unique
identifier, called a Unit ID or assigned number. This
number, between 1 and 31, is used to identify the unit
for Eaton diagnostics only.
Unit ID can be set using special software. Please
discuss with an Eaton representative for further
information.
5 Unit customisation
Any customisations should be discussed with your local
Eaton representative before ordering.
7 Fault finding
7.1 Hmi-Br flow Chart
Hmi-5 Not
Hmi-5 Not
Working
Working
No Power / Audio
No Power / Audio
Check for input voltage on the Hmi Br:
Check for input voltage on the Hmi Br:
J1 pin 1 to pin 5: approx. 22 – 24 V
J1 pin 1 to pin 5: approx. 22 – 24 V
J1 pin 2 to pin 5: approx. 22 – 24 V
J1 pin 2 to pin 5: approx. 22 – 24 V
Check for output voltage on the Hmi Br:
Check for output voltage on the Hmi Br:
J2 pin 1 to pin 5: approx. 15 – 17 V
J2 pin 1 to pin 5: approx. 15 – 17 V
J2 pin 2 to pin 5: approx. 15 – 17 V
J2 pin 2 to pin 5: approx. 15 – 17 V
Indicators func�on
Indicators func�on
but no
but no
communica�ons
communica�ons
Check for input voltage on the Hmi-Br:
Check for input voltage on the Hmi-Br:
J2 pin 3 to pin 5: approx. 5.5 – 6.5 V
J2 pin 3 to pin 5: approx. 5.5 – 6.5 V
J2 pin 4 to pin 5: approx. 3.0 – 4.0 V
J2 pin 4 to pin 5: approx. 3.0 – 4.0 V
Check for output voltage on the Hmi-Br:
Check for output voltage on the Hmi-Br:
J2 pin 3 to pin 5: approx. 5.5 – 6.5 V
J2 pin 3 to pin 5: approx. 5.5 – 6.5 V
J2 pin 4 to pin 5: approx. 3.0 – 4.0 V
J2 pin 4 to pin 5: approx. 3.0 – 4.0 V
SONIX HMI-TU TECHNICAL MANUAL TM377 / A June 2022 www.eaton.com
Sonix Hmi-Tu Technical Manual
6 Maintenance
The Hmi-Tu unit itself does not require any specific
maintenance but the following general maintenance
should be performed monthly:
Warning: Remove power from the unit before
proceeding!
• Check the unit for visible damage (scratches,
bumps).
• Check connections and cable integrity - replace
damaged cables, tighten terminal connector's
loose screws.
• Check unit fixing to rack - tighten loose screws.
• Remove dust and dirt from front panel - clean
with a dry cloth.
Notice: Do not use sharp objects, water, aggressive
cleaning agents or solvent to clean the unit.
Check connec�ons from Hmi-Tu to Hmi-Br:
Check connec�ons from Hmi-Tu to Hmi-Br:
Hmi-Tu Pin 1
Hmi-Tu Pin 1
->
->
Hmi-Tu Pin 2
Hmi-Tu Pin 2
->
->
Hmi-Tu Pin 9/10 ->
Hmi-Tu Pin 9/10 ->
Check connec�ons from Hmi-Br to Hmi-5:
Check connec�ons from Hmi-Br to Hmi-5:
Hmi-Br Pin 1 -> Hmi-5 Pin 1
Hmi-Br Pin 1 -> Hmi-5 Pin 1
Hmi-Br Pin 2 -> Hmi-5 Pin 2
Hmi-Br Pin 2 -> Hmi-5 Pin 2
Hmi-Br Pin 5 -> Hmi-5 Pin 5
Hmi-Br Pin 5 -> Hmi-5 Pin 5
Check output port fuse on Hmi-Tu
Check output port fuse on Hmi-Tu
Check output port fuse on Hmi-Tu
Check output port fuse on Hmi-Tu
Internal Hmi-Br fuses likely blow:
Internal Hmi-Br fuses likely blow:
Replace unit
Replace unit
Check connec�ons from Hmi-Tu to Hmi-Br:
Check connec�ons from Hmi-Tu to Hmi-Br:
Hmi-Tu Pin 3
Hmi-Tu Pin 3
->
->
Hmi-Tu Pin 7
Hmi-Tu Pin 7
->
->
Hmi-Tu Pin 9/10 ->
Hmi-Tu Pin 9/10 ->
Check connec�ons from Hmi-Br to Hmi-5:
Check connec�ons from Hmi-Br to Hmi-5:
Hmi-Br Pin 3 -> Hmi-5 Pin 3
Hmi-Br Pin 3 -> Hmi-5 Pin 3
Hmi-Br Pin 4 -> Hmi-5 Pin 4
Hmi-Br Pin 4 -> Hmi-5 Pin 4
Hmi-Br Pin 5 -> Hmi-5 Pin 5
Hmi-Br Pin 5 -> Hmi-5 Pin 5
Check for output port mode jumpers the Hmi-Tu
Check for output port mode jumpers the Hmi-Tu
All 4 jumpers should be in the 'A' posi�on
All 4 jumpers should be in the 'A' posi�on
Check power to Hmi-Tu
Check power to Hmi-Tu
Internal Hmi-Br fuses likely blow:
Internal Hmi-Br fuses likely blow:
Replace unit
Replace unit
Hmi-Br Pin 1
Hmi-Br Pin 1
Hmi-Br Pin 2
Hmi-Br Pin 2
Hmi-Br Pin 5
Hmi-Br Pin 5
Hmi-Br Pin 3
Hmi-Br Pin 3
Hmi-Br Pin 4
Hmi-Br Pin 4
Hmi-Br Pin 5
Hmi-Br Pin 5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
15
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