RiTTO TWINBUS, System Manual

Page: 153 / 197

Installation: Assembly, connection and start-up
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Connection
Circuit diagram: access module connection as standalone unit.
Starting up
The two-part 7-segment display displays the following information:
* The access module displays the existing memory locations in ascending order, starting with memory location “0”. After several
increments of 1 the access module continues to count in steps of 10. If the card is removed from the access module surveillance
area the counting stops. If the card is immediately moved back into the surveillance area the access module continues counting
in increments of 1.
1. Display of ones part of memory location
2. Display of tens part of memory location
3. Display of hundreds part of memory location
The hundreds part is 1 if the dot illuminates.
Example: 5.3 represents 153.
4. The displayed memory location is occupied if the dot
illuminates.
5. The card in the surveillance area has not yet been
programmed.
6. Internal malfunction indicated. The access module is
malfunctioning.
Note:
Memory location displays beginning with “H” are not needed for start-up.
Activity Result
Authorize identity card (shown by example of memory location 3)
Activity Result
Block pass card (shown on example of memory location 105)
! " # $
00537-0
Master
*
Hold master card up in front of the access
module until
the desired memory location is displayed
Remove master card
! I
Memory location no. illuminates for 3 s
# I
and starts flashing for 5 s
hold the identity card to be authorised up in front
of the access module while the number is
flashing
Identity card has been
authorised, memory location is
counted up