LICAL-DEC-HS001 Ver la hoja de datos (PDF) - Unspecified
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LICAL-DEC-HS001 Datasheet PDF : 11 Pages
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DESIGN STEPS TO USING THE HS SERIES (CONT.)
Creation of Control Permissions
DATA OUT
DATA IN
2
4
KEY IN
MODE_IND
CREATE KEY BUTTON
1
LEARN BUTTON
3
SEND COPY BUTTON
KEY OUT
Figure 10: Steps to Create Control Permissions
1. On the decoder, set the LEARN line high, then take it low to enter Learn Mode.
2. While the decoder’s MODE_IND line is toggling high / low, set a data line on the
encoder high, then low. Repeat for each line to which permission will be granted.
3. After all the desired data lines have been selected, set the LEARN line high,
then low again, or wait until the 15-second time-out occurs. The permissions will
now be saved in the decoder.
4. Select the data lines during an actual transmission to confirm that the learn
process was successful.
Send a copy of decoder A User Data to decoder B
DEC A DATA IN
DEC B DATA IN
3
MODE_IND
3
MODE_IND
CREATE KEY BUTTON
2
LEARN BUTTON
SEND COPY BUTTON
CREATE KEY BUTTON
4
LEARN BUTTON
SEND COPY BUTTON
COPY IN
KEY OUT
GROUND
1
KEY OUT
COPY IN
GROUND
Figure 11: Steps to Send a Copy
1. Provide a serial data connection from decoder A’s KEY_OUT line to decoder B’s
COPY_IN line, and decoder B’s KEY_OUT line to decoder A’s COPY_IN line.
2. On decoder A, set the LEARN line high and then set the SEND_COPY line high
to enter Send Copy Mode. Next, clear both the LEARN line and the
SEND_COPY line low.
3. The MODE_IND line on decoder A will be set high while data is being
exchanged. The MODE_IND line on decoder B will toggle as each user profile
is being received from decoder A. If a successful copy has been made, the
MODE_IND on decoder B will blink twice.
4. The copied decoder B will only be allowed to learn new permissions from the
copied set of users and activate data lines accordingly. All other features will be
removed from decoder B until its memory has been successfully erased.
Page 18
SYSTEM EXPANSION
A system based on the HS Series can be expanded in several ways. One of the
simplest is to add users by adding more decoders to the receiver output. With
each decoder added to the chain, another 15 encoders can be used within the
system. The associated decoder data line outputs can be connected together so
that any decoder will activate the circuit. So, if Data Line D1 is being used to
activate a relay, then the D1 lines of Decoders A, B, and C can all be connected
to the input of the relay. Diodes will be needed to isolate the active line from the
inactive lines, thus preventing a short circuit.
Expanded Users
Decoder
A
Receiver
15 Transmitter/
Encoders A
Decoder
B
15 Transmitter/
Encoders B
Decoder
C
15 Transmitter/
Encoders C
Figure 12: Expanding Users with the HS Series
The ability of the HS Series decoder to create copies of itself allows for the
expansion of access points within a system. This means that the same encoder
can access multiple locations without any hardware changes. An example of this
would be a single keyfob transmitter that can open the front door of a building
and the supply room. A master decoder is first set up with all of the users for the
system. It is then connected to other HS Series decoders to transfer its User
Data. These copies are then deployed in other locations and will respond to an
encoder the same way the master system will. For greater security, these copies
cannot make other copies or add new users, just change Control Permissions.
Because of this, it is recommended that only copies are used in the system while
the original is stored in a secure location. This is particularly useful in settings
where access to the decoder cannot be strictly limited.
Decoder
Create Key
Make Copy
Set Permissions
Basic System
Receiver
Transmitter
1
Expanded Access Points
Decoder
Copy
Set Permissions
Receiver
Transmitter
2
Transmitter
15
Encoder
1
Encoder
2
Encoder
15
Decoder
Copy
Set Permissions
Receiver
Decoder
Copy
Set Permissions
Receiver
Figure 13: Expanding Access Points with the HS Series
Page 19
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