4
ТМ Key
A unique 64-bit identification code in interface input Touch
memory according to specification Dallas Semiconductor
DS1990A(R). It can be transmitted from touch memory devices
(components of the family iButton integrated into MicroCAN
case), or from identification devices generating similar
identification codes, but working based on different identification
principles (Proximity, Biometry, etc)
AL
Alarm Loop
System Core
Main program module from MSS Astra Pro
GSM
communicator
Module Astra-GSM
LAN
Module Astra-LAN
PIN
A digit chain entered by pressing keys on the keypad to perform
a required operation
PSTN
communicator
Module Astra PSTN
RELAY
Relay output
UART, RS-485,
LIN
Types of hardwired digital communication interfaces
BAT
Accumulator battery
1 Application
1.1
The keypad is designed to be included into
Аstra-Zitadel
system controlled by
Astra-8945 Pro with the firmware version 8945P-av1_1 and higher and
MSS Astra
Pro
version v1_1 and higher.
1.2
The keypad performs the following functions:
inputs and transmits PIN codes to CP for authorization and direct control;
shows on the display, BZ and indicators of consolidated signals notifications
received from CP;
inputs and transmits codes of TM keys into CP;
controls the relay output Relay1 upon a command from CP.
1.3
Connection and communication between the keypad and CP is implemented
through two-wire interface
RS-485
.
8
keypads may be connected (in one system) to
CP (registered).