4qd VTX-40 Gebrauchsanweisung - Seite 5

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Overheat temperature
Overheat current
Switching frequency
Size
Weight
Input
Pot fault detect
Input voltage
Acceleration time
Deceleration time
Ignition input threshold
Reverse input threshold
Parking brake
The VTX series are designed for mounting via the
heatsink as in the diagram below. In most
applications, full current is only drawn for short
periods so little heating will be experienced.
However, the VTX's heatsink is a thick block of
aluminium which won't cool down quickly to the air.
In more demanding applications, good heatsinking is
important, such as a suitable metal plate which will
usually be the vehicle's chassis. If heatsinking is
inadequate, the controller will give reduced
performance, and if allowed to overheat for too long,
may be damaged. The heatsink is completely
electrically insulated.
Pot and direction switch via IDC connector.
Customer's heatsink
VTX series instructions
95°C
20 amps
20kHz
153mm x 78mm x 45m
198mm x 88mm x 43mm
260g
2k to 20k pot.
greater than 25K
3v to 20v for full speed
100mSec to 5 Sec
100mSec to 5 Sec
8v into 50k
5v into 10k
1 amp max.
7: Mounting
Thermal Sensor
6.3mm tags for battery and motor
Main capacitors
on heatsink
typical
approximately
Board version
Boxed version
adjustable
adjustable
adjustable
approximately
approximately
Mounting holes in the heatsink are tapped M4. Do
not drill these out larger. It is unnecessary and you
will contaminate the board with swarf, invalidating
any guarantees.
We recommend mounting only by the heatsink.
However if you want to use the corner mounting
holes as well, you must use insulating mountings.
Whatever you do, make sure the controller can't get
wet and, if it does, don't connect the battery until you
have dried the controller thoroughly. The water won't
cause damage unless the unit is connected to the
battery, when electrolytic corrosion will occur.
Relays
Page 5