Long range radio transmitter Inputs - 8 general purpose inputs - IN1 to IN8-1 input for AC mains power supply monitoring - AC - 2 inputs for power supply - +12 and GND Messages from transmitter - Low battery/battery normal - Alarm/Restore/Trouble for every input IN1 to IN8 Features - Three bands: 136-174 MHz (VHF), 300-320 MHz, 400-495 MHz (UHF) - Working on 2 frequencies located into the frequency band - Free direct of messages to frequencies - Split and Both report for every message - Type of modulation - FSK, 300 bps - Protocol with coding and checksum - Grouping inputs to 2 independent partitions with reporting with 2 different account numbers - Precise frequency adjustment and temperature compensation Electrical and radio characteristics - Power supply - 9 to 15 Vdc - Current consumption - 20 ma stand-by and 1 A during transmission - Output power - up to 5 W adjustable - Deviation - up to 2,5 khz adjustable - Channel separation - 12,5 khz - Working temperatures - minus 40 to plus 80 degrees C
Long range radio receiving station LRR8000 Two different type of modules in the system - Central receiving station () - station () Two types of modulation - FSK - for receiving signals from transmitters - 300 bps - FFSK - for service channel between and repeaters - 1200 or 2400 bps Three inputs for low frequency signal from radio station - Input 1 - receiving signals from transmitters (FSK) - Input 2 - receiving and transmitting signals with repeater (FFSK) - Input 3 - receiving signals from transmitters (FSK) and receiving/transmitting signals with repeater (FFSK) Alarm inputs and monitoring - Two alarm inputs for self security of the unit in mode - Permanent control of AC mains power supply - Permanent control of backup battery status Measuring of level of each received signal and displaying in percents Multiple variants for structures working with 1, 2 or 3 frequencies Multiple variants for configuration of networks of transmitters and repeaters - Single area - and transmitters - Multiple areas -, s and transmitters
Single area single frequency structure Monitoring centre () equipment station single frequency - Filter for - Transmitter Messages from - Low battery/battery normal - Alarm/Restore/Trouble for every input IN1 to IN8 - Level in % for every received message
Single area double frequency structure Monitoring centre () equipment station double frequency - Filter for - Transmitter Messages from - Low battery/battery normal - Alarm/Restore/Trouble for every input IN1 to IN8 - Level in % for every received message
Multiple areas single frequency structure Monitoring centre equipment station single frequency - Filter for Bi-directional 2400 bps connection between repeater and monitoring station centre equipment - LRR8000 repeater station single frequency - Filter for - Transmitter Messages from - Low battery/battery normal - Alarm/Restore/Trouble for every input IN1 to IN8 - Level in % for every received message
Multiple areas triple frequency structure F3 Monitoring centre equipment station double frequency s - Filters for s Bi-directional 2400 bps connection between repeater and monitoring station centre equipment - LRR8000 repeater station double frequency s - Filters for s s - Transmitter
Multiple areas tree structure - Number of repeaters: up to 32 - Number of transmitters: up to 8160 - TEST signal from every repeater with level in % - Messages from every transmitter with path and the best level of received signal Monitoring centre equipment station s - Filters for s s centres equipment - LRR8000 repeater station s - Filters for s s - Transmitter