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VHF Technology | |
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Features | |||||||
| • Field programmable features for on-site convenience. • Synthesized design. • Engineer test button - for easy on-site testing. • Low battery reporting. • Multiple lock-on protection features. • Internal pull-up resistors for negative trip eliminates the need for external resistors. |
• All inputs may be programmed individually for positive or negative trip making the transmitter compatible with any control panel. • A power-up signal is sent which can indicate that the transmitter has been tampered with by an insider. • Intelligent mains fail/restore signalling varies signal delays reducing unnecessary network congestion during power failures. The installer, however, is able to test mains fail/restore signals without delay for five minutes after applying power to the unit. The mains fail delay can now be set for between 15 - 250 minutes. |
• Signal buffering is used when inputs are triggered simultaneously. Signals are stored in the transmitter and sent in event order. • Manufactured using the latest surface mounting techniques which minimises the chances of human error. • The transmitter draws less current placing less strain on the system battery. • LED indicates seven different transmitter conditions for fast and simple diagnostics. |
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Transmitter Specifications - TX 790C Range | |
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| Frequency Range Channel Spacing Operating Voltage Modulation Method Frequency tolerance Narrow Bandwidth Spurious Emissions: a) Harmonic b) Non harmonic Deviation: Nominal Temperature range Class of Emission Antenna Impedance Current Consumption: Standby Transmit Overall Dimensions Mounting Antenna Socket Transmission Duration Telemetry Inputs: Output voltage range Inputs Connections |
132 - 174 MHz 12.5 KHz 10.5 to 13.8 Volts DC FM 5 ppm > 60 dB > 70 dB Adjustable between 1.5 and 2.5 KHz Approximately 2 KHz -10 to + 60 C F3E 50 Ohms 30 mA 1.8 Amps at 12V nominal 112mm x 81mm x 24mm 2 x 7mm holes Internal tamper proof antenna connection 90 - 360 mS Positive Trip - 10.8~14V Negative Trip - Open Collector 0~0.5V The transmitter inputs accommodate only the above alarm panel output voltage ranges. Alarm panels which do not meet this requirement will require a level converter interface. Screw terminals |
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| Models | TX 750C Reports a 4 digit code number, customer ID and 9 telemetry conditions: • open/close • panic!alarm • low battery • self-test • engineer test • telemetry 5 • dedicated mains fail/restore |
TX 790CID Reports a 4 digit code number, customer ID and 2hardwired telemetry conditions: • panic • alarm • TIP • RING Contact ID interface support: Up to 4 partitions are supported / reported Up to 31 zones reported (zone 32 reserved for universal or unknown zone) Up to 15 users / key holders reported (user 16 reserved for universal or unknown user) |
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| TX 790C Reports a 4 digit code number, customer ID and 12 telemetry conditions: • open/close • panic • alarm • low battery • self-test • engineer test • telemetry 1 • telemetry 2 • telemetry 3 • telemetry 4 • telemetry 5 • dedicated mains fail/restore |
TX 790 Serial Reports a 4 digit code number and customer ID Serial interface support: Up to 4 partitions are supported / reported Up to 31 zones reported (zone 32 reserved for universal or unknown zone) Up to 15 users / key holders reported (user 16 reserved for universal or unknown user) Network Models Models are available for managed networks without open/close inputs |
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| Operation | • Low battery and restore reporting. • Self test programmable between 1-250 hours. • Internal pull-up resistors for negative trip eliminates the need for external resistors. • A power-up signal is sent which can indicate that the transmitter has been tampered with by an insider. • A programmable mains fail/restore delay can be set from 15 - 250 minutes plus a random delay to prevent signal clashing. The factory default is 15 minutes plus the random delay. The installer, however, is able to test mains fail/restore signals without delay for thirty minutes after the installation. • Engineer test button. • Signal buffering - when inputs are triggered simultaneously they are stored in the transmitter and sent in priority order. • LED indicates 7 different transmitter conditions. |
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Transmitter models | |
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A simple two wire installation allows
extra data to be sent in the Contact ID format. Open/lock-up by user number or alarm by partition and zone can be sent in a single signal. Up to 4 partitions supported Up to 31 zones supported (zone 32 reserved for universal zone) Up to 15 users/key holders supported (user 16 reserved for universal user) |
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A serial link between the transmitter
and the panel provides extended radio telemetry data reporting. It provides a neater solution with fewer unsightly wires and quicker, easier installation. 4 Partitions - fully supported 2 Partitions - basic reporting 10 Partitions - general alarm & tamper reporting Up to 15 users/key holders supported (user 16 reserved for universal user) Up to 31 zones supported (zone 32 reserved for universal zone) 64 Standard RDC telemetries 39 Panel-specific telemetries |
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Tel (011) 616 7685/3351 – Fax (011) 616 1706 – Email: brent.a@radiodata.co.za
2nd & 3rd floors, Sovereign house, Sovereign Str, cnr Mullins Rd, Bedford Gardens, Bedfordview
