Wiring of branch expander
Installation & Configuration Manual
10.1.5 Cable Map
Identification and numbering order for expanders and keypads differ depending on
automatic or manual addressing of the expanders. For information on manual and
automatic configuration, see page [➙ 118].
For a system with manual addressing, expanders and keypads have a separate
numbering sequence and are defined by the engineer manually. I.e., expanders
are numbered 01, 02, 03, and so on as desired. Using same numbers, keypads
may be numbered as desired.
In the manual configuration, the system automatically allocates zones to each
expander. For this reason, devices with no zones, such as 8 output expanders
should be addressed last.
For a system with automatic addressing, expanders and keypads belong to the
same numbering group and are assigned by the controller. I.e., expanders and
keypads are together numbered 01, 02, 03, in the order that they are detected
relative to the location of the controller.
10.2 Wiring of branch expander
The wiring of the X-BUS interface with 8 terminals 1A/1B to 4A/4B provides for the
connection of an additional branch expander.
If the branch is not used then the terminals 1A/1B are used to connect to the next
expander/keypad. Terminals 3A/3B and 4A/4B are then not used.
The following modules have branch expander wiring capability (additional terminals
3A/B and 4A/B):
8 Input / 2 Output Expander
8 Output Expander
PSU Expander
Wireless Expander
2-door Expander
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