Futaba R7314 FASSTest receiver 14k

Fourteen-channel FASSTest-2.4GHz Futaba transmission system telemetry receiver with a pair of full-range diversity antennas. It is intended for general use in larger models of all categories. Thanks to selectable channel modes and the possibility of dual receiver operation, it will also serve well in models requiring a large number of channels - in this case, the R7314SB pair will provide up to 26 classic PWM channel outputs or 24 PWM outputs and 2+2 S.BUS+S.BUS2 serial ports. In addition, the receiver is equipped with an S.BUS2 port for two-way communication enabling the connection of S.BUS2 servos, telemetry sensors and other compatible devices. The operational states of the receiver are signaled by an LED indicator.

Transmission system
Futaba FASSTest-2.4GHz with telemetry for flying models, FASSTest 26CH/18CH/12CH modes.
Note that only digital servos can be used in FASSTest 12CH high repetition rate mode.

Power supply
3.7-7.4 V (nominal voltage), operating 3.5-8.4 V – i.e. e.g. 4-6 NiMH cells, 1-2S LiPo/ Li-ion, 2S LiFe, accumulators, BEC stabilizers power supply in the given voltage range.

Antenna
The receiver is equipped with a pair of diversity antennas in order to maximize signal reception regardless of the relative position of the model and the transmitter. These must be fixed in the model with a mutual orientation of 90°. The antennas are equipped with housings that improve the directional characteristics of the antennas.

Receiver outputs, channel modes
The receiver is equipped with sockets for standard Futaba connectors (with a protrusion), into which you can of course also insert UNI connectors (=JR/Graupner, Hitec) without a side protrusion.

Channel outputs (PWM/S.BUS): The R7314SB allows channel assignment changes as shown in the table below allowing a combination of classic PWM outputs and S.BUS output or dual receiver operation (requires the use of a Futaba transmitter enabling dual receiver operation) in which a pair of R7314SB can offer up to 26 classic PWM channels or 24 PWM outputs and 2+2 S.BUS+S.BUS2 serial outputs, or other combinations with S.BUS/S.BUS2 ports and switched channels DG1/DG2. Channel modes are selected using a button on the receiver in a special setting mode – channel modes cannot be changed in normal operating mode.
S.BUS2: The S.BUS2 socket enables the connection of S.BUS2 servos, gyroscopes and other compatible devices and the connection of Futaba telemetry sensors, the data of which can be displayed on the transmitter.
EXT (Extra Voltage): Socket for measuring the voltage of an external (e.g. drive) battery connected using the CA-RVIN-700 cable (sold separately) in the 0-70 V range.

Dual receiver operation with automatic backup
It is also possible to activate the two-receiver mode with automatic backup on the receiver, which automatically switches from the main receiver to the backup receiver (or vice versa) if the signal reception of one of the receivers (pair of R7314SB or one R7314SB and another FASSTest S.BUS2 receiver) fails. The function is basically the same as that of the FDLS-1 backup system, but you do without any additional equipment.

Telemetry (only in FASSTest system)
The R7314SB transmits to the transmitter data on the supply voltage of the receiver and the voltage measured at the EXT input without the need to connect any sensors.
The R7314SB allows the use of all Futaba telemetry sensors and other sensors compatible with the bidirectional S.BUS2 bus system.

The receiver set includes: R7314SB receiver, user manual.

What is S.BUS2/S.BUS
S.BUS – Futaba serial bus with one-way communication enabling the control of servos, controllers, switches, gyroscopes and other compatible RC devices connected to a single output port of the S.BUS receiver.
S.BUS2 - Futaba serial bus for two-way communication allowing (as S.BUS) control of servos, controllers, switches, gyroscopes and other compatible RC devices connected to a single output/input port of the S.BUS2 receiver. In addition, it allows you to connect telemetry sensors and transmit data from them through the receiver for display on the transmitter; from some S.BUS2 servos can transmit information about the operating current, temperature or angle of the servo output lever to the transmitter.

Unlike classic RC kits, the S.BUS(2) system uses serial data communication to transmit control signals from the receiver to a servo, gyro or other device. This data contains commands like "move channel 3 servo to 15 degrees, move channel 5 servo to 30 degrees" for multiple devices. S.BUS(2) devices only execute commands belonging to their own set channel. For this reason, it is possible to connect several servos to the same signal cable, while setting and controlling them individually as needed. The servo identification code (ID) is used for this. You can find the ID on the sticker on the servo box.

The S.BUS2 servo can be connected to the S.BUS2 and S.BUS ports of the receiver. Its function is determined by setting the channel in the servo memory (it is done using the programming interface of the Futaba transmitter, the SBC-1 programmer or the CIU-3 USB interface with the S-Link PC program - for some servos, the channel can only be set with the help of the transmitter).

An S.BUS or S.BUS2 servo connected to the channel output of a classic receiver (PWM) works like a classic servo. Its movement is given by the signal in the channel of the receiver to which it is connected. The settings of the programmable servo functions remain in effect.