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| www..com ELSEMA 4/16-Channel 27MHz FM Receiver with open collector output - FMR-204/16 FMR-202 27MHz Receiver with Two Relay Outputs Features * Crystal Controlled * 2-Channel * Digitally Encoded Applications * Remote control of garage doors, gates, lights, alarms Description The FMR-202 is a crystal controlled two-channel receiver, comprising of receiving, decoding and relay-output sections. A specially designed MICRO-PROCESSOR is employed in the decoder section, which ensures operation at low supply voltage, highest reliability, associated with very low power drain. The receiver works on a digitally encoded 27 MHz frequency modulated (FM) signal. It may be used in applications such as the remote control of garage doors, gates, lights, alarms or in any other new or existing installations where the use of conventional wiring is difficult or impossible to accomplish. If the code, from the transmitter matches the setting of the 10-way code switch on the receiver (up to 1024 combinations), an output is obtained i.e. the relay operates. This relay provides a clean set of contacts for switching DC current up to 5 Amps. The two channels address code switch eleven. While code switch twelve is addressed with the wire link next to the receiver code switch. This feature enables the user to operate single channel transmitters on either of the two channels. The supply and antenna connections to the receiver are via a three-way screw-type terminal block, with a separate six-way terminal block for the relay connections. The receiver can be clipped to a Quick Mount enabling the receiver to be easily mounted against walls, roof, etc. A proper 27 MHz CB-Antenna will give a reliable control range of up to 200 metres, when used with Elsema's FMT-301, FMT-302, FMT-304 transmitters. If a CB-Antenna is used, the shield of the cable must be connected to the "minus terminal". 1 www..com ELSEMA 4/16-Channel 27MHz FM Receiver with open collector output - FMR-204/16 The two-way code switch (See below picture) allows individual control of each relays output mode. In the momentary mode the output relays are only activated while the correct signal is received. In the flip-flop mode the output relays are toggled with every correct incoming signal. This enables the direct use for switching on/off lights etc. In flip/flop mode, the relays are off at the initial "power-up". Latching Feature Inserting a .4" link into the latching link holes will configure the channels to latching "ON", when the correct signal is received. To turn relay "OFF" power to the receiver must be momentary turned "OFF". Accessories FMR-202E Enclosed in Plastic Case C160 Quick Mount QM100 Technical Data 2 www..com ELSEMA 4/16-Channel 27MHz FM Receiver with open collector output - FMR-204/16 Supply Voltage 11.0 - 28 VDC, 10.0 - 28 VAC Can use Elsema AC power supply PP12 or PP24 Supply lines should be less than 3m long to comply with radio frequency authorities 15mA stand by at 12 VDC; 44.0mA if one relay is "ON" at 12VDC 73.0mA if both relays "ON" at 12VDC 27.145MHz (Other freq. available: 27.045, 27.195 & 27.455MHz. NB. 27.455 freq. is not available for Australia ) 26.690MHz, 3rd overtone, 20pF, 30ppm at 0-50C 455kHz At least -40dB at 10kHz Better than 1uV (for relay to switch on) Narrow-bandwidth Frequency Modulation (FM) 2.5kHz Onboard 10-way coding switch (4096 digital channels) Two change over relay output, rated at 5A / 240V Two sets of Common (C) Normally Close (NC) & Normally Open (NO) Supply & Antenna: 3-way screw type terminal block Two Relays: 6-way screw type terminal block 50 ohms, 27MHz CB-Antenna or approximately 300mm long wire for short range applications. 130 x 70 x 20mm Clip into a QM100 or QM150 Quick Mount or UBB plastic case 89g FMT-... series Current Consumption Receiving Frequency Type of Crystal Used IF Freq Selectivity Sensitivity Type of demodulation Band Width Decoding System Output Relay Contacts Connections Antenna Dimensions Mounting Weight Compatible Transmitters Block Diagram 3 www..com ELSEMA 4/16-Channel 27MHz FM Receiver with open collector output - FMR-204/16 Manufactured by Elsema Pty Ltd 3/10 Hume Rd, Smithfield NSW 2164 Ph: 02 9609 4668 Fax: 02 9725 2663 Website: http://www.elsema.com 4 |
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