ABB Uvisor SF910i User Manual page 33

2 Hardware
2.2 Display and Terminations Boards
– Touchkey/LCD assembly, Touchkey and three status LEDs and LCD display board
with plastic supporter
There is no need to access the internal SE and CPU boards. All the accessible parts
are located on the TB board and are easily reachable once the rear cover and
Touchkey/LCD assembly is unscrewed.
Figure 2.5
In Touchkey/LCD assembly, a LCD display and three status LEDs and four touch-buttons
are available for aiming the unit to the target flame and for local setup and tuning. The
user can access the touch-button while cover is screwed tightly into the enclosure, and
need not to open the cover to operate the button, for example, in explosive environment
that cannot allow to open cover.
Check whether the equipment is powered in hazardous area open cover is NOT
ALLOWED. Setup and tuning are also available from remote through the Flame
Explorer™ configuration tool.
SF910i has no jumpers and no switches to be configured.
All internal configurations are microprocessor-based. Once selected the communication
station address (if needed), the configuration can be carried out either locally using the
touch-buttons and display or remotely through the serial communication line.
8VZZ005286 B
shows the location of connectors on the Terminal Board.
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