RC MODEL STORE The Fastest growing name in Radio Control
RC MODEL STORE The Fastest growing name in Radio Control
The PowerBox Competition SRS is the first device in an entirely new generation of power supply systems, and since its introduction it has grown to be the most popular product in our range.
The PowerBox Competition SRS is the first device in an entirely new generation of power supply systems, and since its introduction it has grown to be the most popular product in our range. SRS stands for Serial Receiver System: in contrast to conventional battery backer systems, servo information is transferred using a digital serial signal generated by the receiver. This reduces the number of connections required between the receiver and the PowerBox to a single cable. It is also a straightforward matter to connect a second receiver to the system, which then assumes complete control of the model without restriction if the first receiver should fail to pick up a signal. In the case of Spektrum and Jeti equipment additional receivers are not required; only the satellite receivers are connected to the Competition SRS. The Competition SRS can output up to fourteen channels, regardless of the radio control system with which it is used. Four of them are equipped with a servo-match function. The purpose of servo-matching is to adjust the centre point, end-points and direction of rotation very accurately for each servo. This means that multiple servos connected mechanically to a single control surface can be fine-tuned to operate exactly in parallel, preventing the servos working against each other. They are able to develop their full power, and consume less current. Servo-matching can also extend the effective life of your servos enormously. However, servo-matching also allows functions to be linked, avoiding the need for two channels at the transmitter. As an example: the left and right landing flaps can be operated using just one transmitter channel, as the direction of rotation and the servo end-points are adjusted at the Competition. This saves channels, and in many cases makes the transmitter programming procedure much easier.
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Operating voltage | 4.0V - 9.0V |
Power supply | 2S LiPo, 2S LiIon, 2S LiFePo, 5S NiCd/NiMH |
Current drain Power-on state | 130mA |
Current drain Standby | 15µA |
Maximum load current | Peak 2x20A |
Drop-out voltage | 0.3V |
Output voltage | 5.9V or 7.4V regulated |
Signal input | serial |
Supported RC systems | Spektrum, Futaba, HoTT, M-Link, Jeti, JR |
Receiver redundancy | SRS |
Channels | 14 |
Servo sockets | 21 |
Programmable servo outputs | 4 channels, 8 servos |
Servo signal resolution | 0.5µs |
Signal frame rate | 9ms, 12ms, 15ms, 18ms, 21ms |
Screen | OLED 128 x 64 pixels, graphic |
Supported telemetry systems | Futaba*, Jeti, Spektrum, HoTT, M-Link |
Dimensions | 110 x 72 x 24 mm |
Weight | 115g |
Weight Sensor Switch | 15g |
Temperature range | -30°C to +75°C |
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