FMT15101E, FMT15102E, FMT15104E, FMT15108E (Enclosed in metal case)
FMT15101, FMT15102, FMT15104, FMT15108 (No Case Version)
12 Volt 100mW 151MHz Transmitter

Description

The FMT151… has a transmission power of 100mW with a current consumption of only 85mA. It gives a controlled range of up to 5km. The controlled operation can be any electronic or electrical operated device when used with the FMR151… series of receivers

The channels are activated via screw type terminals onto which the user can connect reed switches, toggle switches, push buttons or any form of normally open (NO) contact.

The transmitter uses a frequency of 151MHz and a modulation type of Narrow Band Width FM which makes it suitable for industrial applications where you would have a high level of electrical interference. This transmitter is not affected by man made or electrical interference. This makes FMT151... an ideal choice for use in heavy industrial environment.

Each transmitter button is individually transmitted to the receiver making it possible to do simultaneous channel transmission. This means that up to 8 different functions can be done at the same time. Each button can operate any FMR151… series receivers making it possible to transmit each button to different single channel receivers or to multi channel receivers

The transmitter uses a specially programmed micro-controller which ensures the highest reliability, low standby current consumption (10uA) and greater flexibility.  The greater flexibility allows customers to contact Elsema and request custom written software for special functions.

External supply connection and SO239 antenna socket is provided with the transmitter.

Compatible Receivers

• FMR15101               1-Channel Receiver with Relay Output
• FMR15101240        1-Channel Receiver with 240VAC Supply and with Relay Output
• FMR15102               2-Channel Receiver with Relay Output
• FMR15102240        2-Channel, Receiver with 240VAC Supply and with 2-Relay Outputs
• FMR15104               4-Channel Receiver with 4-Relay Outputs
• FMR15108               8-Channel Receiver with 8 Open Collector Outputs
• FMR1510812R       8-Channel Receiver with 12VAC or DC Supply and with 8-Relay Outputs
• FMR1510824R       8-Channel Receiver with 24VAC or DC Supply and with 8-Relay Outputs

Antenna
• ANT151M - 1m 151MHz Antenna

Transmitter Modes (FMT15101 and FMT15102)

	Off Delay 2 – 62 seconds Transmitter will transmit a 1.5 second transmission burst and then stop for the "off delay" time selected. The "off delay" time is user selectable between 2 to 62 seconds by adjusting trimpot on the transmitter board. If the code changes during the "off delay" period the new code will be transmitted immediately. When the "off delay" time lapses, transmitter will transmit another burst. The transmitter will cycle (transmission and off delay) indefinitely, if at least one code switch from the 12-Way code switch is ON and supply is connected.
	Off Delay 1 – 10 minutes Same as mode 1 except the "off delay" is user selectable between 1 to 10 minutes.
	Continuous transmission Transmitter will transmit continuously, if at least one input is activated and supply is connected. A transmission limit of 5 minutes is used to comply with local radio regulations. To activate a receiver longer than 5 minutes, use a delay off feature in the receiver (FMR15101) and transmitter. The delay off feature in the receiver needs to be set more than the transmitter. This ensures that the transmitter keeps resetting the off delay in the receiver. Refer to Application Note
	1.5 – 10 seconds one burst transmission Transmitter will transmit one burst and then go to standby or sleep mode. Adjusting the trimpot will vary the burst length. When the code is changed and supply is connected, transmitter will emit one new burst of the new code.
Sleep mode (10 uA) is activated when all inputs are OFF; this applies to all four modes

The transmitter modes for FMT15104 is user selectable by simply setting the 1-Way dip-switch on the transmitter board.

Transmitter Modes (FMT15104)

Switch position	Mode
	Delayed OFF 2 - 62 sec. Transmitter will transmit a 1.5 second transmission burst and then stop for the "off delay" time selected. The "off delay" time is user selectable between 2 to 62 seconds by adjusting trimpot on the transmitter board. If the code changes during the "off delay" period the new code will be transmitted immediately. When the "off delay" time lapses, transmitter will transmit another burst. The transmitter will cycle (transmission and off delay) indefinitely, if at least one code switch from the 12-Way code switch is ON and supply is connected.
	Continuous transmission Transmitter will transmit continuously, if at least one code switch from the 12-Way code switch is ON and supply is connected. A transmission limit of 5 minutes is used to comply with local radio regulations. To activate a receiver longer than 5 minutes, use a delay off feature in the receiver (FMR15101) and transmitter. The delay off feature in the receiver needs to be set more than the transmitter. This ensures that the transmitter keeps resetting the off delay in the receiver. Refer to Application Note

Transmitter mode for FMT15108 is 5 min Continuous transmission*

Products in the Range

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FMT15101E 1-Channel, Enclosed	FMT15102E 2-Channel, Enclosed	FMT15104E 4-Channel, Enclosed	FMT15108E 8-Channel, Enclosed
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FMT15101 1-Channel (No Case version)	FMT15102 2-Channel (No Case version)	FMT15104 4-Channel (No Case version)	FMT15108 8-Channel (No Case version)
FMT15108H 8 channel Hand Held

Operating Frequency  
There are 7 selectable frequencies available. This is achieved by setting the 3-way dipswitch. The default setting is for 151.6MHz (All 3 dipswitches “ON”). Following is a table with the Dipswitch settings and the corresponding frequencies.

 Technical Data

Wiring Diagram