ELSEMA FMR15102 2 Channel 151MHz Receiver User Guide
Features
- Two channel receiver with relay outputs
- Supply voltage can be 12 – 24 Volts AC or DC
- Low current consumption
- Built-in noise or signal strength indicator
- User can select 8 different frequencies
- Output modes are all user selectable
- Easy code setup with dip switch settings
- Optional QM100 bracket available for easy mounting to cases or walls. C1015 or C1020 case is also available
Applications
- Pump Control
- Long distance panic button
- On/Off applications in agricultural devices
- Security alarm
- Basic Telemetry eg. Water level indication
Description
This receiver gives you two relay outputs with a contact rating of 8 amps at 240VAC. The relay mode can be set to momentary, latching or security latching.
The user can select 8 different narrow band frequencies and program unlimited number of transmitters to the receiver. With a narrow band FM 151MHz signal from the transmitter a line of sight operating range of 5000 metres is possible. The receiver uses a crystal oscillator circuit that ensures high frequency stability allowing optimal performance in the receiving range.
Different Modes for the Output
2-Way DIP Switch Mode Settings
The output relay will respond in the following manner when receiving the correct signal from a transmitter
Momentary – Output is active for as long as the transmitter button is pressed.
This is a standard mode on most automatic gates or garage door openers.
Latching – Output remains active until next press of the transmitter button.
Similar to switching “on” and “off” a light.
Delayed OFF – Output remains active for the duration of the time set by the trim pot.
Security Latching – Output remains active until power to the receiver is removed. Similar to security alarms and fire alarms.
Coding
The 12 way dip switch on the receiver sets the 12 bit unique code for the system.
This has to be matched to that on the transmitter. Do not use the factory default code.
Apart from the 12 way dip switch there will be an additional dip switch
depending upon the receiver type:
- Two channel receivers will have a 2 way dip switch.
This DIP switch on the right side of the 12 way dip switch denotes the channel. See table below.
Generally to use a 2 channel Tx to 2 channel Rx match all the 14 dip switch (12way + 2way just on the right side of the 12 way).
To use a 2 channel Tx to control 2 x single channel receivers, first match the 14 dip switch positions and on the receiver, 15th dip switch OFF is Ch1 and 15th dip switch ON is Ch2.
To use a 2 channel receiver with 2 x single channel transmitters, first match 14 dip switch and then the Tx with Sw15 OFF will activate the Ch1 on the receiver and the Tx with Sw15 ON will activate the Ch2 on the receiver.
FMR15102
2-Way DIP Switch & 2 Relay Output
| SW13 | SW14 | Relay 1 | Relay 2 |
| OFF | OFF | Ch1 | Ch2 |
| OFF | ON | Ch3 | Ch4 |
| ON | OFF | Ch5 | Ch6 |
| ON | ON | Ch7 | Ch8 |
Signal Strength Indicator
The 151MHz receivers have green signal strength LED’s on the board. The table below indicates the level of the valid transmitted signal.
| 6 LED’s on | -70dBm | Very Strong signal | Very Reliable operating conditions |
| 5 LED’s on | -75dBm | Very Strong signal | Very Reliable operating conditions |
| 4 LED’s on | -80dBm | Very Strong signal | Very Reliable operating conditions |
| 3 LED’s on | -90dBm | Strong signal | Very Reliable operating conditions |
| 2 LED on | -100dBm | Good signal | Reliable operating conditions |
Noise Strength Indicator
If more than 2 led is “ON” without a valid transmission, this indicates that there is noise on the frequency selected. Change the 3-way dipswitch on the receiver module to select a different frequency. Following is a table with the Dipswitch settings and the corresponding frequencies.
| Frequency | 1 | 2 | 3 |
| 151.600 MHz | On | On | On |
| 152.375 MHz | Off | On | On |
| 151.775 MHz | On | Off | On |
| 151.400 MHz | Off | Off | On |
| 151.175MHz | On | On | Off |
| 151.025 MHz | Off | On | Off |
| 150.900 MHz | On | Off | Off |
| 150.825 MHz | Off | Off | Off |
Technical Data
| Supply Voltage | 12 – 24 Volts AC or DC. Can use Elsema’s AC power pack (12PP-1000) Supply lines should be less than 3m long to comply with radio frequency authorities | |
| Current Consumption | 24mA Standby at 12VDC | 85mA when relay “ON” at 12VDC |
| Receiving Frequency | 151.6MHz (8 selectable frequencies. See table above) 161MHz for New Zealand 154MHz for United States of America and Canada | |
| Operating Temperature Range | -5 to 50°C | |
| Connection | Supply, Antenna & Outputs – Screw type terminal block | |
| Relay Contacts | Common (C), Normally Closed (NC) & Normally Open (NO) | |
| Antenna | 151MHz Antenna, Elsema ANT151M for maximum performance | |
| Dimensions | 95 x 70 x 30mm | |
| Mounting Hole Size | 3.97mm or 5/32” | |
| Useable Transmitters | All FMT151 series (with correct setting on the dip switch). See Transmitter datasheet for details | |
| Useable operating range | Up to 5000 metres, depending on installation and type of antenna used. Recommended Antenna is Elsema ANT151M | |
Products in the Range
 |  |  |  |
| FMR15101 1-Channel | FMR15102 2-Channel | FMR15101240 1- Channel 240VAC Supply | FMR15102240 2- Channel 240VAC Supply |
 |  |  |  |
| FMR15104 4-Channel | FMR15104240 4- Channel 240VAC Supply | FMR15108 8-Channel | FMR1510812R 8-Channel, 12V Supply |
 | |||
| FMR1510824R 8-Channel, 24V Supply |
Block Diagram
FMR15102 12/24 VAC/DC Application
FMR15102 110/240 VAC Application 
Manufactured by
Elsema Pty Ltd
31 Tarlington Place, Smithfield
NSW 2164, Australia.
Ph: 02 9609 4668
Website: http://www.elsema.com
Automatic Gates | Wireless Remote Control | Elsema
