BRAVE Steel
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User and service manual 25
2.2.1 Code relay (COSW)
For the first switch is available function code relay (COSW CodeSwitch).
It serves primarily to secure transmission of information by switching the
electric lock. When using this function is not possible connecting or
disconnecting the voltage at the terminals to lock this lock activated. Activation
is performed only when positive result compared serial information transmitted
between Brave and the board
code relay
Brave is set in several
codes to activate the relay code.
Relay can be activated codes
for one or two impulses can
differentiate activated from the
phone (DTMF) or from keys
(keyboard). The last option is
the activation code in another mode switch than the lock.
The code information is 8 bits, but the code is 4 bits with security 4 bits which is
total of 8 bits. Practically, this is performed so that after activation the switch is
first transmits the serial code, and if they agree, so code relay connects the
electric lock.
The code relays can be connected in parallel to increase the number of
switches, but can never combine connections electric lock and the code
relay parallel!
