Operation Manual
FT128 Rev 2.4
116
24.7 Activate Address Setting Mode for DU (H5/A7)
This function can be used by commissioning / service engineer to activate the address
setting mode in the following Display Units connected to the RS485 interface in FT128:
• External Presentation unit (EPU) 1728
• Alert Annunciation unit (AAU) 1736
A specific unit or all units can be activated for address setting.
Note: The units have to be in operation and in quiescent condition, i.e. the units have
already been addressed.
Action Text in display Comments
"Access"
Log on to FT128 as shown
in page 35.
Scroll to menu H5.
Service
ACCEPT? H5
"A"
Calibration of supervised outputs
ACCEPT? A1
Scroll to menu A7
Activate address setting mode for DU
ACCEPT? A7
"A" Activate address setting mode for DU 0
(9 = All) ACCEPT?
Write the unit's address (0-
7). 9 = All units.
Press "A" to accept.
e.g. "9"
"A"
Operation failed!
If the address setting mode
was not activated.
e.g. "9"
"A"
All DU set in address setting mode
The address has now to be
set / changed in the DU
respectively.
"Return"
Activate address setting mode for DU
ACCEPT? A7
Scroll or press "Return" to
H5.
"Return"
Service
ACCEPT? H5
Scroll or press "Return"