Specific Display Panels on the 140 EIA 921 00 module
(Original Document)
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General
3 LEDs: AS-i, SLV / Bus and I/O Status display information specific to the 140 EIA 921 00 module.
View of the 3 LEDs:
Status of AS-i LED
This LED displays the AS-i status.
Module display
Display status
Meaning
AS-i LED on
Supply fault on the AS-i bus.
AS-i LED flashing
Automatic addressing activated and a slave is projected but not connected.
AS-i LED off
Module operating normally.
Bus and I/O LEDs
These two LEDs show the display mode selected:
Module display
LED state
Meaning
SLV / BUS LED on I/O Status LED off
The 32 LED display panel located at the front of the module is in BUS display mode  and displays all the slaves present on the bus.
SLV / BUS LED off I/O Status LED off
The 32 LED display panel located on the front of the module is in Slave display mode (SLV) with display of the address of the slave selected.
SLV / BUS LED off I/O Status LED on
The 32 LED display panel located on the front of the module is in Slave display mode (SLV) with display of the input/output status (I/O Status) bits for a selected slave.