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GSM Transmitter
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SR-804
GSM transmitter
producent: Pronal
 SR – 804 is a proffessional GSM transmitter. Its main use is to transmit information about entry disturbances to a monitoring station. It is adapted to work wth SMS/ CLIP monitoring stations.
The SR – 804 transmitter is a perfect device to use in monitoring alarm systems, fire protection systems, industry automation systems etc. It transmits information as two-digit SMS codes or CLIPs.
Entering a text (max 160 marks) and sending messages to up to 36 station numbers is possible for personal notification purposes.
Because of its simple usage, the transmitter can be used in single-family homes, public buildings, to monitor other alarm systems etc.
ADVANTAGES OF THE TRANSMITTER:
· identifying events using “CLIPs” or SMS
· eight extensively configurable input ports
· four remote-controlled outputs, mono- and bistable
· intelligent test adjusting
· individual real time clock (using QUIK 2406B module)
· 1950 event cache
· power supply from a DC source
PROPERTIES OF THE SR – 804
SENDING ALARM INFORMATION
A unique solution of using CLIP technology reduces the cost of transmission to the monitoring station.
The SR – 804 sends information in the following ways:
- CLIP
- CLIP and SMS
- CLIP or SMS
- SMS
SENDING TECHNICAL REPORTS
The device sends reports as user declared, 160-mark report codes. They provide information concerning:
- power supply faults
- returning the power supply to a normal state
REMOTE CONTROLLED INPUT
An authorized user can remotely control inputs using an access code. The user can employ four mono- or bistable ouptuts.
PROGRAMMING
All transmitter’s parameters may be programmed through RS232 port using CENTAUR software. Base station numbers, SMS centre, PIN and access code may be programmed remotely by sending SMS.
INPUTS
The transmitter’s inputs enable individual configuration of:
- input activating by choosing reaction type (no reaction, CLIP, CLIP/SMS, CLIP and SMS, SMS)
- line type (NO or NC)
- line activation time since its detection (0,1 – 10,0 [s])
- number of releases to block a line (1 - 255), deleted automatically each 1 – 24 [h]
- impulse meter counting number of impulses for one release (1 – 9999)
All inputs have a common configuration of line blocking time for successive activation after line release (0 – 9 minutes). The device has a software lock limiting the number of SMS sent during one hour to 255.
TESTS
The configuration comprises:
- activating/disactivating tests
- test type (CLIP/SMS); two-digit code for SMS
- CLIP length (short/medium/long)
- test sending interval (1 [min] to 1 [month])
- number of repeated CLIP/SMS sendings after a failed sending attempt (1 – 255)
INTELLIGENT TEST ADJUSTING
They are performed automatically and consist in extending the testing time interval by a certain prime number when the base station number is detected to be busy. After receiving information about the arrival of test, SR – 804 memorizes the new interval and subsequent tests are sent according to the adjusted data. This mechanism enables each transmitter to adjust every time to a free time window in the base station number.
EVENT CACHE
The device has its own real-time clock using the GSM WAVECOM QUIK 2406B moule version. Each event appearing in the system is saved in EEPROM non-volatile memory. The cache holds up to 1950 events. It is possible to download any number of them through RS232 port using computer software.
Technical data:
· power supply 10 – 15V DC (min 1,5 A)
· average power uptake (no transmission): 60 mA
· average power uptake (sending CLIP): 150 mA
· cooperating with industrial GSM modules: MOTOROLA G20/24 and GSM WAVECOM QUIK 2400, 2406B
· work temperature: 0 to 50 C
· humidity 0 to 80%
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