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PowerBus to PWM
Product Details
Beschreibung
PowerBox PowerBus to PWM
Ref. 9200
The PowerBus is the basis of a completely new method of
wiring servos. The PowerBus consists of a three-core cable which supplies current
and signal to the servos connected to it. At first glance this is nothing
unusual, but the big difference lies in the signal wire. When conventional
servo signals are transferred, the signal wire always carries the information
for one individual servo only - this is a PWM (Pulse Width Modulated) signal.
In a servo bus system the signal wire carries positional information for
multiple servos in digital form. The information for individual servos includes
address data, and since each servo is assigned its own individual address, it
can read out “its” information from the data stream, and convert it into a
movement of the control surface. PowerBus to PWM adapters can also be employed
to enable the use of servos without their own decoder; in this case the adapter
carries out the decoding.
The advantage of this arrangement is obvious: all you need
is one three-core lead in order to supply the essential information to several
servos. The wiring is much simpler, and there is also a significant weight
saving.
However, until now there has always been one disadvantage to
bus systems: a short-circuit in one servo causes the bus lead to be blocked,
and all the servos connected to it stop working. Here at PowerBox Systems we
have completely eliminated this former drawback:
The servo distributors which we have developed are protected
against short-circuits in the power supply lines and the signal line! This
means that, if one output is shorted out at a servo distributor, within a few
micro-seconds that output is switched off, and the bus lead remains active.
Features
- Operating voltage: 4.0 V - 9.0 V
- Power supply: 2S LiPo, 2S LiFePo, 5S NiCd/NiMH
- Maximum load current: 20 A
- Signal input: PowerBus
- Channels: 18
- Servo sockets: 4
- Servo signal resolution: 0.5 µs
- Dimensions: 59 x 33 x 9 mm
- Weight: 17 g
- Temperature range: -30 °C to +75 °C
Eigenschaften
Manufacturer | Powerbox |
---|---|
Article reference | PB9200 |
Type powerdistributor | Accessories for Powerbox |