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RFID
reader module
MREM 77
19
7.9 Simplified access rights model
The access rights model includes schedules and a holiday table. The block diagram for access evaluation is shown in the
following figure.
7.10 Offline setting (programming) mode
For small simple autonomous installations, users can be set up using programming cards. The module enters the
programming mode by reading one of the pair of programming cards ("+" and "-" cards). It does not enter the
programming mode while waiting for the card confirming the address setting (for modules with address setting via the
communication line). The behavior of the modules in the programming mode is evident from Fig. 5 a-d.
When inserting cards using programming cards, it is not possible to work with time schedules, so the cards are still valid.
7.10.1 Inserting cards (ID codes) into the memory
Follow these steps for inserting cards into the reader module’s memory:
Step 1
Step 2
Step 3
Read the programming card
for
inserting
: the reader goes
into
programming mode
.
One by one, read the cards
which are to be granted
access.
About 15 seconds after
inserting the last card the
reader module goes back
into
standard
operating
mode
.
VALID
UNKNOWN
ID FOUND
ACCESS DRIVEN
BY TIME SCHED.
ACCESS ALWAYS
GRANTED
HOLIDAY?
ACCESS GRANTED
FOR HOLIDAY
AND ACTUAL TIME
ACCESS GRANTED
FOR ACTUAL
DAY & TIME
READING ID
YES
NO
YES
NO
NO
YES
INVALID
YES
NO
NO
YES
NO
YES